ADVICE ON ANTENNAS, COUPLERS, AND INSTALLATION ACCESSORIES

Brought to you by
APG - Eastern Avionics International

Selecting the best antenna for your radio and your airplane can be confusing. Many pilots just buy the cheapest antenna they can find. Most never know how much better their radio would have worked if they had just spent that extra ten or twenty dollars on a better antenna.

It just doesn't make sense to spend $2,000 on a radio and then try to save a few dollars on the antenna. There is no better way to turn your best radio into your worst.

Whatever you have as your radio, do yourself a favor and buy the best antenna you can find. Even if you have an older radio, you may even discover that you can save yourself a costly upgrade simply by changing the antenna. A good antenna, properly mounted and wired, can boost your clarity, range, and output, making what you thought was a marginal radio or navigation unit into a real keeper.

Some radios out there work best with a specific antenna design -- another reason not to just go with the cheapest model. At APG-Eastern Avionics, we look at the electrical and mechanical requirements of your aircraft and its equipment and match it to the right antenna. We will always give you the best antenna for the price based on your requirements.

We stock antennas made by some of the best manufacturers in the nation, including Dayton Granger, Comant, R. A. Miller, Dorne and Margolin and others. Over 300 different models of antennas and couplers are available. Some of our best and most popular antenna categories are listed here. Call us to get the model best for you!

AVIONICS REVIEWS

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Bendix/King KA-92 GPS Active Antenna $440.00 $389.00 On Sale! 071-071-01553-0200 KA-92 GPS Active Antenna Width 2.70 in. Height .70 in. Length 4.3 in. Weight KG .14kg Weight LB .3lb

Comant CI-105 DME/TXP Blade Antenna $119.00 CI-105 Broadband and rugged antenna designed for DME or transponder use. Antenna assembly encased in a glass reinforced polyester molded shell. Standard two stud mounting configuration. CI 105 includes a BNC connector. SPECIFICATIONS: Electrical: Frequency 960 to 1220 MHz; 1030 to 1090 MHz; VSWR 1.5:1 960 to 1220 MHz; 1.3:1 1030 to 1090 MHz; Polarization Vertical; Radiation Pattern Equivalent of ¥ë / 4 Stub; Impedance RF 50 Ohms; Resistance DC Open Circuit; Power RF 2.5 KW Peak. Mechanical: Weight 0.24 lb. Maximum; Height 3.23 in. Maximum; Material Molded Radome; Finish Polyurethane Enamel; Connector BNC (female). Environmental: Temperature -54¨¬C to +55¨¬C; Altitude 70,000 ft.; Air Speed 400 Knots TAS at 25,000 ft. Federal Specifications:RTCA DO-160C; Environmental Category [E1]-B[CLY]XRHXXXXXXXXXXXXXX; FAA TSO C66b, C74c; RTCA MOPS DO-144, DO-189.

Comant CI-1125 Dual VOR/Dual GS Diplexer Coupler $172.00 $154.00 On Sale! CI-1125 Dual VOR/dual glide slope diplexer features diplexer circuitry in a small die-stamped housing for high reliability. Provides operation between two VOR receivers and two glide slope receivers from the same VOR/glide slope antenna. Frequency 108-118 MHz & 329-335 MHz. SPECIFICATIONS: Electrical: Frequency 108 - 118 and 329 - 335 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.6 dB Maximum; Isolation 20 dB Minimum between VOR & GS; 18 dB Minimum between VOR Ports; 18 dB Minimum between GS Ports; Impedance RF 50 Ohms. Mechanical: Weight 0.25 lb. Maximum; Height 0.75 in. Maximum; Material Aluminum; Finish Aluminum. Federal Specifications: FAA TSO C34c, C36c, C40a.

Comant CI-121 Comm 4-Hole Top Whip Antenna $156.00 $139.00 On Sale! CI-121 Similar to the CI 109, the CI 121 is smaller in diameter and lighter at only 0.5 pounds. Features a tapered glass laminate housing and die-cast aluminum base. Offers standard mounting and appearance to many Cessna communication antennas. The CI 121 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements and offers the 118 to 137 MHz frequency associated with DO-186A MOPS. SPECIFICATIONS: Electrical: Frequency 118 - 137 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omnidirectional; Impedance 50 Ohms; Power 50 Watts. Mechanical: Weight 0.5 lbs. Maximum; Height 18.50 in. Maximum; Material Cast housing / Fiberglass whip; Finish Polyurethane Enamel; Connector BNC (female). Environmental: Temperature -55ºC to +85ºC; Altitude 50,000 ft.; Air Speed 250 Knots TAS. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [D2X]ACB[R(C,C1)U(F,F1)] XWFDXSXXXXX[XX]X[XXXX]XAX; FAA TSO C37d, C38d; RTCA MOPS DO-186A.

Comant CI-122 Communication Antenna (4 hole bottom mount whip) $184.00 $165.00 On Sale! Designed specifically for mounting to the underside of an aircraft providing excellent radiation coverage for airto- ground communications. Bent configuration makes it ideally suited for helicopters and low wing aircraft. The CI 122 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements and offers the 118 to 137 MHz frequency associated with DO-186A MOPS. SPECIFICATIONS: Electrical: Frequency 118 - 137 MHz; VSWR 2.0:1; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power 50 Watts. Mechanical: Weight 0.5 lb. Maximum; Height 18.75 in. Maximum; Material Cast housing / Stainless whip; Finish White Polyurethane Enamel; Connector BNC; Gasket C12607-3 Cork Neoprene. Environmental: Temperature -55°C to +85°C; Altitude 50,000 ft. Air Speed 350 Knots TAS. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [D2X]ACB[R(C,C1)U(F,F1)] XWFDXSXXXXX[XX]X[XXXX]XAX; FAA TSO C37d, C38d; RTCA MOPS DO-186A.

Comant CI-158C VOR/GS Rabbit Ears Antenna $316.00 $284.00 On Sale! CI-158 "V" Dipole VOR/Glide Slope Antenna with detachable elements mounts on top of the vertical fin stabilizer for most single engine general aviation aircraft. RF design similar to the CI 157P. Integral ferrite balun provides for higher radiation efficiency. Detachable element results in a significantly smaller shipping and storage carton than fixed element versions. Not approved for helicopter installations. SPECIFICATIONS: Electrical: Frequency 108 - 118 MHz (VOR / LOC); 329 - 335 MHz (Glide Slope); VSWR 3.0:1 108 - 118 MHz (VOR/LOC)- 3.0:1 329 - 335 MHz (Glide Slope); Polarization Horizontal; Radiation Pattern Dipole; Impedance 50 Ohms Nominal; Power Receive only. Mechanical: Weight 0.35 lb. Maximum; Height 17 5/8 in. Maximum; Material Delrin housing / Stainless whips; Finish Black housing / Stainless whips; Connector BNC. Environmental: Temperature -55ºC to +85ºC; Altitude 50,000 ft.; Air Speed 250 Knots TAS @ 25,000 ft. Federal Specifications: RTCA Environmental DO-160; Environmental Category B2ALXXXXXXXXXXX; FAA TSO C34c, C38c, C40c; RTCA MOPS DO-192, DO-195, DO-196.

Comant CI-502 2 VOR Coupler $118.00 $106.00 On Sale! CI-502 Dual VOR coupler allows the simultaneous use of two VOR receivers from one VOR antenna. Compact design makes installation easy. SPECIFICATIONS:Electrical: Frequency 108 - 118 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum; Impedance RF 50 Ohms. Mechanical: Weight 0.20 lb. Maximum; Height 0.88 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector Order. Federal Specifications: FAA TSO C36c, C40c.

Comant CI-507 Coupler for 1VOR & 1VOR from 1 NAN Antenna $99.00 CI-507 Single VOR/single glide slope diplexer allows the operation of one VOR and one glide slope receiver from one VOR/glide slope antenna. Compact design makes installation easy. SPECIFICATIONS: Electrical: Frequency 108 - 118 and 329 - 335 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum; Impedance RF 50 Ohms. Mechanical: Weight 0.20 lb. Maximum; Height 0.88 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector BNC (Female). Environmental:Internal Mount. Federal Specifications: FAA TSO C34c, C36c, C40a.

Garmin GA-56 GPS Active Antenna $329.00 010-10040-01/02 The GA-56 is a TSO'd GPS Active Antenna designed for use with all popular Garmin GPS systems. P/N 010-10040-01 Stud Mount P/N 010-10040-02 Flange Mount

Garmin A-33 GPS Active Antenna $389.00 013-00118-00 A-33 GPS active antenna.

RAMiller AV-1 Communication Base Station Antenna (Heavy Duty) $289.00 $275.00 On Sale! The AV-1 is a base station antenna for comminucations with ground vehicles or aircraft. It has heavy-duty construction with 3/8" diameter aluminum radials, a 1" diameter aluminum tube radiator, and is iridite-treated for durability. It mounts easily to a 1" diameter pipe or a 1-1/4" O.D. tube with locking set screws. A built-in gap-type lighting arrestor is an important design feature. The antenna requires no additional tuning and is designed to withstand windspeeds of up 100 mph.

RAMiller AV-569 Marker Beacon “Boat Type” Antenna. $136.00 $129.00 On Sale! The AV-569 is a Boat Type Marker Beacon antenna designed for very low drag. It is constructed of an acrylonitrile-styrene-acrylic (ASA) shell with the internal parts encapsulated in rigid urethane foam for mechanical and electrical stability. The white color allows maximum performance without losses due to color pigments or unseen dirt. It is supplied with cellular neoprene mounting pad and hardware. The antenna is designed to operate at speeds up to 350 mph and altitudes up to 50,000 ft. It has a drag force of 0.20 lb @ 250 mph.

Comant CI-105-20 DME/TXP Antenna $332.00 $299.00 On Sale! CI-105-20 Wide band vertically polarized/omnidirectional antenna designed for high performance aircraft over the UHF/L band of frequencies from 806 to 960 MHz. Low profile blade-type construction features 6-hole mounting, low drag, low weight, wide band/high efficiency electrical performance, DC grounding for lightning protection and Skydrol/rain erosion resistance. SPECIFICATIONS: Electrical: Frequency 806 to 960 MHz- 960 to 1220 MHz; VSWR 1.5:1 894 to 896 MHz Transmit- 1.5:1 849 to 851 MHz Receive; Polarization Vertical; Radiation Pattern Equivalent of l / 4 Stub; Impedance RF 50 Ohms; Resistance DC Short Circuit; Power RF 100 Watts Maximum Average. Mechanical: Weight 0.40 lb. Maximum; Height 3.55 in. Maximum; Material Molded Radome; Gasket 70445 "O" Ring; Finish White Polyurethane Enamel (Standard) Orange Polyurethane Enamel (Minimum order required); Connector (see above P/N's to order the choice of connector); Leading Edge Protection Optional, not standard (Minimum order required). Environmental: Temperature -55°C to +85°C. Altitude 70,000 ft.. Air Speed 600 Knots TAS at 25,000 ft. Federal Specifications: RTCA Environmental DO-160D. Environmental Category [E1]-AX[CLY]XXXXXXXXXXXX[XXXX][X]X; FAA TSO C66b, C74c; RTCA MOPS DO-144, DO-189.

Comant CI-212-2 V Dipole Int Mount Dual Output Antenna $467.00 $420.00 On Sale! CI-212-2 "V" Glide Slope similar to the CI-212 except provides two output signals for dual glide slope receiver installation without the need for a glide slope coupler. Configured in a "V" for internal mounting in aircraft nose radome. SPECIFICATIONS: Electrical: Frequency 329 - 335 MHz; VSWR 2.0:1 Maximum; Polarization Horizontal; Radiation Pattern Dipole; Impedance 50 Ohms; Power RF Receive Only; Gain 2.0 dB Nominal. Mechanical: Weight 0.15 lb. Maximum; Height 6.50 in. Maximum; Material Delrin housing / Brass radiators; Finish Black / nickel; Connector BNC. Environmental: Temperature -55°C to +55°C (Internal Mount). Federal Specifications: RTCA Environmental DO 160; Environmental Category D2ALXXXXXXXXXXX; FAA TSO C34c; RTCA MOPS DO-192.

Comant CI-177 2 Meter FM/4-Hole Mounting Antenna $240.00 $216.00 On Sale! CI-177 Designed for use over the public service FM frequency band. Features the popular standard 4 hole mounting with the radiating element enclosed in a high strength tapered glass laminate housing. SPECIFICATIONS: Electric: Frequency 148 - 174 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omnidirectional; Impedance 50 Ohms; Power RF 50 Watts. Mechanical: Weight 0.5 lb. Maximum; Height 14.50 in. Maximum Material Die Cast housing / Fiberglass whip; Finish White Polyurethane Enamel; Connector BNC (female); Gasket B12607. Environmental: Temperature -55°C to +55°C; Altitude 30,000 ft.; Air Speed 450 Knots at 25,000 ft. Federal Specifications: RTCA DO 138; FAA TSO C37b, Class1, C38b; Environmental Category BAJXXXXXXXXXXX.

Comant CI-177-4 137-150MHZ FM Antenna $491.00 $441.00 On Sale! CI-177-4 The CI 177-4 is specifically designed for use with Weather/Data or WX systems, bringing email and weather data to the cockpit. The CI 177-4 links to the ORBCOMM™ LEO satellite constellation to bring real time weather and email within easy reach of any pilot. This was built for pure electrical performance. Its 1.5:1 VSWR provides the best reception of any airborne antenna of its kind. SPECIFICATIONS: Electrical: Frequency 137 - 150 MHz; VSWR 1.5:1; Polarization Vertical; Radiation Pattern Omnidirectional; Impedance RF 50 Ohms; Power RF 50 Watts. Mechanical: Weight 0.4 lb. Maximum; Height 16.25 in. Maximum; Material Valox housing / Fiberglass whip; Finish White Polyurethane Enamel ; Connector BNC. Environmental: Temperature -55°C to +85°C; Altitude 50,000 ft.; Air Speed 250 Knots TAS @ 25,000 ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [D2]-ACB[(C,C1,R)(F,F1,U)] XRFDXSX[X]XXX[XXX]X[XXXX]XCX; FAA TSO C37d, C38d; RTCA MOPS DO-186A.

Comant CI-177-1 2 Mtr Extended Band Antenna $327.00 $294.00 On Sale! CI-177-1 Wider band version of the CI-177 over a frequency band of 138 to 174 MHz. Improved bandwidth provides greater flexibility by optimizing features of some of the newer FM transceivers. Features a molded base with popular 4-hole mounting. Radiating element is enclosed in a high strength, tapered glass laminate housing. SPECIFICATIONS: Electrical: Frequency 138 - 174 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omnidirectional; Impedance 50 Ohms; Power RF 50 Watts. Mechanical: Weight 0.5 lb. Maximum; Height 15.30 in. Maximum; Material Die Cast housing / Fiberglass whip; Finish White Polyurethane Enamel; Connector BNC (female); Gasket B12607-3. Environmental: Temperature -55°C to +55°C; Altitude 30,000 ft.; Air Speed 450 Knots at 25,000 ft. Federal Specifications: RTCA DO 138; FAA TSO C37b, Class1, C38b; Environmental Category BAJXXXXXXXXXXX.

Comant CI-177-3 2 Mtr FM 148-174MHz 3-Hole Mount Antenna $218.00 $196.00 On Sale! CI-177-3 Designed for use over the public service FM frequency band. Features the popular standard 3-hole mounting with the radiating element enclosed in a high strength tapered glass laminate housing. SPECIFICATIONS: Electrical: Frequency 148 - 174 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omnidirectional; Impedance 50 Ohms; Power RF 50 Watts. Mechanical: Weight 0.5 lb. Maximum; Height 14.50 in. Maximum; Material Die Cast housing / Fiberglass whip; Finish White Polyurethane Enamel; Connector BNC (female); Gasket C29205. Environmental: Temperature -55°C to +55°C; Altitude 30,000 ft.; Air Speed 450 Knots at 25,000 ft. Federal Specifications: RTCA DO 138; FAA TSO C37b, Class1, C38b; Environmental Category BAJXXXXXXXXXXX.

Comant CI-1114 3 VOR Splitter Antenna $290.00 $261.00 On Sale! CI-1114 Coupler provides for use of three VOR receivers from one VOR antenna. Coupler circuitry is housed in stamped enclosure to ensure high reliability. SPECIFICATIONS: Electrical: Frequency 108 - 118 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum; Impedance RF 50 Ohms. Mechanical: Weight 0.25 lb. Maximum; Height 0.80 in. Maximum; Material Aluminum; Finish Aluminum; Connector BNC (Female). Federal Specifications: FAA TSO C36c, C40a.

Comant CI-120-200 GS/Dual Combiner Antenna $1,172.00 $1,054.00 On Sale! CI-120-200 VOR/GS navigation antenna set provides optimum VOR performance when used for area navigation. Antenna system qualified for use on single, twin, jet and helicopter aircraft. Also provides glide slope reception capability. Complete set includes a pair (2) of blades, each with single BNC connector output, and two coax interconnect cables. Dual BNC output combiner, providing for a separate RF cable run to the avionics installation for NAV 1 and NAV 2 receivers, is included. Dual VOR/Dual Glide Slope operation is available when used with a pair of CI-507 diplexers. SPECIFICATIONS: Electrical: Frequency 108 - 118 MHz (VOR / LOC), 329 - 335 MHz (Glide Slope); VSWR 6.0:1 108 - 118 MHz (VOR / LOC), 3.5:1 329 - 335 MHz (Glide Slope); Polarization Horizontal; Radiation Pattern Omni directional; Impedance 50 Ohms Nominal; Power Receive Only. Mechanical: Weight 1.4 lb. Per Blade; Height 6.0 in. Maximum; Material Molded Radome; Finish White Polyurethane Enamel (Standard); Connector BNC / Single output combiner; Gasket B12014. Environmental: Temperature -55°C to +85°C; Altitude 50,000 ft; Air Speed 600 Knots TAS @ 25,000 ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [(F2)X]ACE[(T)E1P] XRXXXSXXXXXXXXXCX; FAA TSO C34e, C36e, C40c; RTCA MOPS DO-192, DO-195, DO-196.

Comant CI-211-16 Comm 118-153MHz 6-Hole Mount Antenna $720.00 $648.00 On Sale! CI-211-16 Intended for installation on long-range executive jet and turbo-prop aircraft capable of operating in Europe, Asia and South America where VHF communication is available over a much wider band. Only 8.25" high, yet provides good performance without the added drag of taller blade communication antennas. The CI-211-16 is identical to the CI-211-1 except it also includes one internal mounting hole forward and one internal mounting hole aft on the antenna centerline. The CI-211-16 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements. SPECIFICATIONS: Electrical: Frequency 118 - 153 MHz; VSWR 2.75:1 Maximum; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power 30 Watts C.W. Mechanical: Weight 1.6 lbs. Maximum; Height 8.25 in. Maximum; Material High Density Polyurethane; Finish White Polyurethane Enamel; Connector BNC; Gasket C21104 Cork Neoprene. Environmental: Temperature -55°C to +85°C; Altitude 50,000 ft.; Air Speed 573 Knots TAS or 0.88 Mach at 45,000 ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [D2X]ACB[R(C,C1)U(F,F1)] XWFDXSXXXXX[XX]X[XXXX]XAX; FAA TSO C37d, C38d; RTCA MOPS DO-186A.

Comant CI-108-1 Comm Extended Band Antenna $775.00 $698.00 On Sale! CI-108-1 Designed for world-wide service where VHF communication is available over a wider band. Suitable for either top or bottom mounting. Solid Polyurethane construction for strength, reliability and durability. White Polyurethane finish is Skydrol and rain erosion resistant. The 108 Series has been re-tested and upgraded to the RTCA DO-160D environmental requirements. Optional leading edge protection available with the CI-108-1-L. SPECIFICATIONS: Electrical: Frequency 118 - 153 MH; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power 25 Watts. Mechanical: Weight 2.5 lbs. Maximum; Height 12.0 in. Maximum; Material High Density Polyurethane; Finish White Polyurethane Enamel; Connector BNC (female); Gasket C10810 Cork Neoprene. Environmental: Temperature -55°C to +85°C; Altitude 50,000 ft. Air Speed 600 Knots TAS @ 35,000 ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [D2X]ACB[R(C,C1)U(F,F1)] XWFDXSXXXXX[XX]X[XXXX]XAX; FAA TSO C37d, C38d; RTCA MOPS DO-186A.

Comant CI-105-16 DME/TXP Internal/External Studs Antenna $142.00 $127.00 On Sale! CI-105-16 Broadband and rugged antenna designed for DME or transponder use. The CI-105-16 was designed specifically for the Honeywell Bendix-King™ KA60. This unit offers the extended length, two stud mounting found on the KA60. Tested to the tougher DO-160D environmental requirements, this antenna offers the best in ruggedness and performance. SPECIFICATIONS: Electrical: Frequency 960 to 1220 MHz- 1030 to 1090 MHz; VSWR 1.5:1 960 to 1220 MHz- 1.3:1 1030 to 1090 MHz; Polarization Vertical; Radiation Pattern Equivalent of l / 4 Stub; Impedance RF 50 Ohms; Resistance DC Open Circuit; Power RF 2.5 KW Peak. Mechanical: Weight 0.2 lb. Height 3.23 in. Material Molded Radome; Gasket B10505; Finish White Federal Standard 595; Connector BNC (female). Environmental: Temperature -55°C to +85°C; Altitude 70,000 ft. Air Speed 400 Knots TAS at 25,000 ft. Federal Specifications: RTCA Environmental DO-160C; Environmental Category [E1]-XX[C,C1,F,F1,R]XRFXXSXX [XX][XX]X[XXX]X[XXXX]XXX; FAA TSO C66c, C74d; RTCA MOPS DO-144, DO-189.

Comant CI-100 DME/TXP Metal Blade BNC Connector Antenna $240.00 $216.00 On Sale! CI-100 All Metal Blade DME/Transponder antenna designed and developed for Mach 2 military aircraft. Design is unique in that blade and mounting base are die-cast as one piece with no dielectric material in the airstream. Standard six-hole mounting configuration. SPECIFICATIONS: Electrical: Frequency 960 to 1220 MHz- 1030 to 1090 MHz; VSWR 1.6:1 960 to 1220 MHz- 1.4:1 1030 to 1090 MHz; Polarization Vertical; Radiation Pattern Equivalent of l / 4 Stub; Impedance RF 50 Ohms; Resistance DC Open Circuit; Power RF 2.5 KW Peak at 55,000 ft. Mechanical: Weight 0.3 lb. Maximum; Height 2.55 in. Maximum; Material Die Cast A380 Aluminum Alloy; Gasket B10006; Finish White Polyurethane Enamel (Standard). Environmental: Temperature -54°C to +55°C; Altitude 45,000 ft. Air Speed Mach 2.5. Federal Specifications: RTCA Environmental DO-138; Environmental Category AASXXXXXXXXX; FAA TSO C66a, C74c; RTCA MOPS DO-144, DO-189.

Comant CI-100-3 DME/TXP Metal Blade C Connector Antenna $289.00 $259.00 On Sale! CI-100-3 All Metal Blade DME/Transponder antenna designed and developed for Mach 2 military aircraft. Design is unique in that blade and mounting base are die-cast as one piece with no dielectric material in the airstream. Standard six-hole mounting configuration. SPECIFICATIONS: Electrical: Frequency 960 to 1220 MHz- 1030 to 1090 MHz; VSWR 1.6:1 960 to 1220 MHz- 1.4:1 1030 to 1090 MHz; Polarization Vertical; Radiation Pattern Equivalent of l / 4 Stub; Impedance RF 50 Ohms; Resistance DC Open Circuit; Power RF 2.5 KW Peak at 55,000 ft. Mechanical: Weight 0.3 lb. Maximum; Height 2.55 in. Maximum; Material Die Cast A380 Aluminum Alloy; Gasket B10006; Finish White Polyurethane Enamel (Standard). Environmental: Temperature -54°C to +55°C; Altitude 45,000 ft. Air Speed Mach 2.5. Federal Specifications: RTCA Environmental DO-138; Environmental Category AASXXXXXXXXX; FAA TSO C66a, C74c; RTCA MOPS DO-144, DO-189.

Comant CI-100-2 DME/TXP Metal Blade TNC Connector Antenna $278.00 $250.00 On Sale! CI-100-2 All Metal Blade DME/Transponder antenna designed and developed for Mach 2 military aircraft. Design is unique in that blade and mounting base are die-cast as one piece with no dielectric material in the airstream. Standard six-hole mounting configuration. SPECIFICATIONS: Electrical: Frequency 960 to 1220 MHz- 1030 to 1090 MHz; VSWR 1.6:1 960 to 1220 MHz- 1.4:1 1030 to 1090 MHz; Polarization Vertical; Radiation Pattern Equivalent of l / 4 Stub; Impedance RF 50 Ohms; Resistance DC Open Circuit; Power RF 2.5 KW Peak at 55,000 ft. Mechanical: Weight 0.3 lb. Maximum; Height 2.55 in. Maximum; Material Die Cast A380 Aluminum Alloy; Gasket B10006; Finish White Polyurethane Enamel (Standard); Connector Order choice of connector. Environmental: Temperature -54°C to +55°C; Altitude 45,000 ft. Air Speed Mach 2.5. Federal Specifications: RTCA Environmental DO-138; Environmental Category AASXXXXXXXXX; FAA TSO C66a, C74c; RTCA MOPS DO-144, DO-189.

Comant CI-1104030 DME/TXPD Blade C Connector Antenna $321.00 $289.00 On Sale! CI-1104030 All metal, low profile antenna is designed for business jet and commercial high speed aircraft. With a popular four hole mount and connector with open path to ground, this antenna is ideally suited for those aircraft equipped with standard transponders and Mode S transponders. Tough, one piece construction provides 175 lbs. side load capability, guarding against breakage from ground equipment. Moisture failure is prevented with completely sealed construction. SPECIFICATIONS: Electrical: Frequency 960 to 1220 MHz- 1030 to 1090 MHz; VSWR 1.7:1 960 to 1220 MHz- 1.4:1 1000 to 1100 MHz; Polarization Vertical; Radiation Pattern Equivalent of l / 4 Stub; Impedance RF 50 Ohms; Resistance DC Open Circuit; Power RF 3 KW Peak Average 100 Watts. Mechanical: Weight 0.25 lb. Maximum; Height 2.20 in. Maximum; Material Die Cast A380 Aluminum Alloy; Finish White Polyurethane Enamel (Standard); Connector Order options BNC, TNC, C, N; Gasket 70445 "O" Ring. Environmental: Temperature -55°C to +85°C; Altitude 70,000 ft. Air Speed 600 Knots TAS at 25,000 ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB(S(L)U(F,F1)T(C,C1,R)] XRFDXSXXXXX[XX]X[XXXX]XAX; FAA TSO C66c, C74c, C112; RTCA MOPS DO-144, DO-189, DO-181.

Comant CI-601 Dual Comm Diplexer $983.00 $884.00 On Sale! CI-601 Dual communication/single antenna duplexer designed to provide operation between two transceivers and one antenna. In the de-energized mode, the diplexer acts as a 3 dB coupler with the output ports isolated by 20 dB. Control voltage actuated by the microphone circuit switches the antenna to transmitter No. 1 or transmitter No. 2. SPECIFICATIONS: Electrical: Frequency 118 - 136 MHz; VSWR 1.5:1 Maximum / Transmit and Receive; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum - Receive (Between XMT/RCV No.1 & No.2) 30 dB Minimum - Transmit / Receive; Electrical 12 - 30 Volts DC at 20 - 50 Ma. Mechanical: Weight 0.40 lb. Maximum; Height 0.82 in. Maximum; Material Die Cast Aluminum; Finish Flat Grey Epoxy; Connector BNC (Female). Federal Specifications: FAA TSO C37b, C38b.

Comant CI-503 Dual GS Splitter $112.00 $99.00 On Sale! CI-503 Dual glide slope coupler designed to allow the operation of two glide slope receivers from one glide slope antenna. Compact design makes installation easy. SPECIFICATIONS: Electrical: Frequency 329 - 335 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum; Impedance RF 50 Ohms. Mechanical: Weight 0.20 lb. Maximum; Height 0.88 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector BNC (Female). Federal Specifications: FAA TSO C34c.

Comant CI-509 Dual Marker Beacon Diplexer $129.00 $116.00 On Sale! CI-509 Dual marker beacon coupler permits the use of two marker beacon receivers from one marker beacon antenna. Compact design makes installation easy. SPECIFICATIONS: Electrical: Frequency 75 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum; Impedance RF 50 Ohms. Mechanical: Weight 0.20 lb. Maximum; Height 0.88 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector BNC (Female). Environmental: Internal Mount. Federal Specifications: FAA TSO C35d.

Comant CI-120-5 Dual Output Power Combiner $261.00 $234.00 On Sale! CI-120-5 Two input - two output Power Combiner is standard equipment with Comant's CI-120-200 G/S-L as supplied to Cessna. The CI-120-5 provides for two separate cable runs to the avionics installation for NAV 1 and NAV 2 receivers. SPECIFICATIONS: Electrical: Frequency 108 - 118 and 329 - 335 MHz; Power Split 6 Db; VSWR 1.5:1 Maximum; Insertion Loss 1.5 dB Maximum; Isolation 20 dB Minimum; Amplitude Balance ±0.5dB; Impedance RF 50 Ohms Nominal; Phase 180° ±1° Between Antenna Ports, 0° ±5° Between Receiver Ports. Mechanical: Weight 0.1 lb. Maximum; Height 0.88 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector BNC (Female). Environmental: Internal Mount. Federal Specifications: RTCA Environmental DO-160C; Environmental Category [A2F2]-AC[CLMY]XRXXXSXXXXXXXC; FAA TSO C34c, C36c, C40a; RTCA MOPS DO-192, DO-195, DO-196.

Comant CI-120-4 Dual Power Combiner VOR/GS $240.00 $216.00 On Sale! CI-120-4 Two input - two output Power Combiner is standard equipment with Comant's CI-120-200 G/S and CI-135-200. For either antenna system, the CI-120-4 provides for two separate cable runs to the avionics installation for NAV 1 and NAV 2 receivers. SPECIFICATIONS: Electrical: Frequency 108 - 118 and 329 - 335 MHz; Power Split 6 Db; VSWR 1.5:1 Maximum; Insertion Loss 1.5 dB Maximum; Isolation 20 dB Minimum; Amplitude Balance ±0.5dB; Impedance RF 50 Ohms Nominal; Phase 180° ±1° Between Antenna Ports, 0° ±5° Between Receiver Port. Mechanical: Weight 0.1 lb. Maximum; Height 0.90 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector BNC (Female). Environmental: Internal Mount. Federal Specifications: RTCA Environmental DO-160C; Environmental Category [A2F2]-AC[CLMY]XRXXXSXXXXXXXC; FAA TSO C34c, C36c, C40a; RTCA MOPS DO-192, DO-195, DO-196.

Comant CI-502 Dual VOR Splitter $118.00 $106.00 On Sale! CI-502 Dual VOR coupler allows the simultaneous use of two VOR receivers from one VOR antenna. Compact design makes installation easy. SPECIFICATIONS: Electrical: Frequency 108 - 118 MHz; VSWR 1.5:1 Maximum; Insertion Loss 0.5 dB Maximum; Isolation 20 dB Minimum; Impedance RF 50 Ohms. Mechanical: Weight 0.20 lb. Maximum; Height 0.88 in. Maximum; Material Die Cast Aluminum; Finish Aluminum; Connector Order choice of connector. Environmental: Internal Mount. Federal Specifications: FAA TSO C36c, C40c.

Comant CI-248-180 FIS/KDR 510 Antenna $313.00 $281.00 On Sale! CI-248-180 The Bendix/King KDR 510™ Data Link receiver from Honeywell provides continuously transmitted weather information through high-speed VDL Mode 2. NEXRAD, METARs and TAFs are displayed for any area of the country at any time, providing greater situational awareness for pilots and aircraft equipped with the system. Now Comant assures positive FIS performance with the new CI-248-180 FIS Data Link Antenna. Designed specifically to bring NEXRAD, METARs, and TAFs frequencies to the cockpit, the CI-248-180 offers superior performance in a rugged package. SPECIFICATIONS: Electrical: Frequency 136.450 - 136.475 MHz; VSWR 2.0:1 Maximum; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power 25 Watts. Mechanical: Weight 0.32 lb. Maximum; Height 6.00 in. Maximum; Material Glass Reinforced Nylon; Finish White Polyurethane Enamel; Connector BNC (female); Gasket B24809 Cork Neoprene. Environmental: Temperature -55°C to +85°C; Altitude 50,000 ft. Air Speed 650 Knots TAS @ 35,000 ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB[S(L)U(F,F1)T(C,C1,R)] XRFDXSXXXXX[XX]X[XXXX]XAX; FAA TSO C37d, C38d; RTCA MOPS DO-186A.

Comant CI-193 GS/Dipole Internal Mount $197.00 $177.00 On Sale! CI-193 Half wave dipole designed for interior mounting. Integral ferrite balun can result in improved performance when propeller modulation is a problem. SPECIFICATIONS: Electrical Frequency: 329 - 335 MHz; VSWR 2.0:1 Maximum; Polarization Horizontal; Radiation Pattern Dipole; Impedance 50 Ohms; Power RF Receive Only; Gain 2.0 dB Nominal. Mechanical: Weight 0.15 lb. Maximum; Height 1.5 in. Maximum; Material Delrin housing / Brass radiators; Finish Black / nickel; Connector BNC. Environmental: Temperature -55°C to +55°C (Internal Mount). Federal Specifications: RTCA Environmental DO 160; Environmental Category D2ALXXXXXXXXXXX; FAA TSO C34c; RTCA MOPS DO-192.

Comant CI-480-1 Globalstar Antenna $1,611.00 $1,449.00 On Sale! CI-480-1 Dual-band active antenna operates at Globalstar™ Frequencies, with continuous TX coverage from 1610 to 1626.5 MHz and RX band from 2483.5 to 2500 MHz. Receive side features a 29 dB gain amplifier with high-performance filtration and a built-in voltage regulator for DC bias operation of +3.3 to +28 vdc. The ComDat™ CI-480-1 is standard equipment with Northern Airborne Technology's STX100 Airborne Satellite Communication System™, capable of both voice and data operations. SPECIFICATIONS: RF Characteristics: Frequency J1 TX -- 1610-1626.5 MHz- J2 RX -- 2483.5-2500 MHz; Polarization LHCP; Power Handling J1 TX -- 60 Watts,J2 RX -- 1 Watt ; Radiation Pattern Hemispherical; Impedance 50 Ohms; Lightning Protection DC Grounded. Amplifier Characteristics: Gain 29 dB +/- 1.5 dB; Noise Figure 2.5 dB Maximum; DC Voltage +3.3 to +28 vdc; DC Current 50 mA Minimum. Mechanical: Weight 1.0 Lb; Height 0.95 in. Maximum; Finish Gloss White Enamel; Connector TNC Female (2). Environmental: Temperature / Altitude -55C to +85C / 55,000 Ft. Airspeed 600 Knots @ 55,000 Ft. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB[S(L)T(C,C1,R)] XRFDXSXXXXX[XX]X[XXXX][X]XX; FFATSO C144; RTCAMOPS DO-288.

Comant CI-511 GPS Attenuator/TNC Antenna $150.00 $135.00 On Sale! CI-511 When used with 26.5dB gain ComDat GPS antennas, the CI 511 GPS Attenuator allows operation of Garmin GPS systems that require 17dB gain. The CI 511 reduces RF gain by 12dB. Built-in bias bypass circuit allows full supply voltage, provided by the GPS receiver, to pass directly to the active GPS antenna without DC voltage drops. Current supply is not reduced. Should the Garmin GPS system later be upgraded to WAAS and 26.5dB gain, simply remove the CI 511 from the coax. The antenna will not have to be removed and replaced. SPECIFICATIONS: Electrical: Frequency 1575.42 ±10 MHz; VSWR 1.5:1 Maximum; Attenuation 12dB±1Db; DC Voltage 4 to 24 vdc; DC Current 55 mA Maximum. Mechanical: Weight 0.1 lb. Maximum, Finish Nickel Plated Brass.

Comant CI-420-221 GPS Garmin/Teardrop/TNC Antenna $466.00 $419.00 On Sale! CI-420-221 The CI 420-221 provides GPS for 17dB Garmin® systems in the popular “teardrop” shape. Patented design offers GPS performance for Garmin 430, 530 and G1000 systems with 17dB gain requirement. All-new construction and design offers the latest in GPS antenna and amplifier technology. This antenna has been tested under the most rigorous conditions as outlined by RTCA DO-160D. Matches footprint of Garmin’s GA56 and Comant’s CI 405 Series, which this design replaces. SPECIFICATIONS: GPS Preamplifier Characteristics: Frequency 1575.42 MHz; VSWR 1.5:1 Maximum; Polarization RHCP; Radiation Pattern Hemispherical; Impedance 50 Ohms Output (Nominal); Gain @ 1575.42 MHz 17.0 +/- 3dB Maximum; DC Voltage 4 to 24 VDC; DC Current 20mA Maximum; Noise Figure 3.8dB Maximum; Selectivity -35dB Minimum SATCOM 1626.5; Burnout Protection 30dBm / 1.0 CW Unmodulated. Mechanical / Environmental: Speed / Altitude 330 KIAS Maximum @ Sea Level; Weight 4.2 Oz. Maximum; RTCA Environmental DO-160D; Environmental Cat. [F2X]ACB[S(L)U(F,F1)T(C,C1,R)]XRF DXSXXXXX[XX]X[XXXX][1B]CA; FAA TSO C144; RTCA MOPS DO-228.

Comant CI-2480100 GPS/ORBCOMM 26.5dB Antenna $636.00 $572.00 On Sale! CI-2480100 Unique in concept and design, the CI-2480-100 ties the newest avionics systems into a simple, sleek antenna package. Using the CI-248 radome, this antenna provides GPS for Honeywell Bendix-King™ receivers and ORBCOMM™ Data Link Capability in a single footprint that matches standard VHF antenna configurations. This means the antenna offers nearly a "drop-in" installation process for your avionics technician. The ORBCOMM™ LEO satellite constellation brings real time weather and email within easy reach of any pilot. Plus, the CI-2480-100 GPS amplifier is specifically built for Honeywell Bendix-King™ receivers, providing optimum GPS performance. Built-in high performance notch filter eliminates the need for in-line filters. Installations are not constrained with GPS/VHF spacing considerations. SPECIFICATIONS: GPS Electrical: Frequency 1575.42 MHz 26.5dB Gain 137-150.5 MHz Polarization RHCP; Axial Ratio (Boresight) 3 dB Maximum; Power Handling 1 Watt; Radiation Coverage (Gain) -1.0 dBic < Ø < 75°, -2.5 dBic < Ø < 80°, -4.5 dBic < Ø < 85°, -7.5 dBic < Ø = 90° (Horizon), +5.0 dBic nom. at Ø = 0° (Zenith). Amplifier: Voltage 5vdc; Gain 26.5 Db; Noise Figure 3.0 dB Maximum; Impedance 50 Ohms; VSWR 2.0:1 Maximum Output; Out of Band Rejection 35 dB Minimum @ 1626 MHz; Power Handling 50 mA Maximum; Lightning DC Grounded. Data Link Electrical: Frequency 137 - 150.5 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power Rating 50 Watts; VHF Harmonic Rejection 80 dB Typical. Mechanical: Weight 0.6 lb. Maximum; Height 17.0 in. Maximum; Material Molded Radome; Finish White Polyurethane Enamel (Standard); Connector Order option of BNC -- Data Link Port or TNC -- GPS Port; Gasket C248006-2 Cork. Environmental: Temperature -55°C to +85°C; Altitude 55,000 ft. Air Speed 350 Knots TAS. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB[S(L)U(F,F1)T(C,C1,R)] XRFXXSXXXXXXXX[XX]C; FAA TSO C37d, C38d, C144; RTCA MOPS DO-186A, DO-228.

Comant CI-2480104 GPS/ORBCOMM 40.0dB Antenna $636.00 $572.00 On Sale! CI-2480104 Unique in concept and design, the CI-2480-104 ties the newest avionics systems into a simple, sleek antenna package. Using the CI-248 radome, this antenna provides GPS for Garmin™ receivers and ORBCOMM™ Data Link Capability in a single footprint that matches standard VHF antenna configurations. This means the antenna offers nearly a "drop-in" installation process for your avionics technician. The ORBCOMM™ LEO satellite constellation brings real time weather and email within easy reach of any pilot. Plus, the CI-2480-104 GPS amplifier is specifically built for Garmin™ receivers, providing optimum GPS performance. Built-in high performance notch filter eliminates the need for in-line filters. Installations are not constrained with GPS/VHF spacing considerations. SPECIFICATIONS: GPS Electrical: Frequency 1575.42 MHz 17dB Gain 118-150 MHz Polarization RHCP; Axial Ratio (Boresight) 3 dB Maximum; Power Handling 1 Watt; Radiation Coverage (Gain) -1.0 dBic < Ø < 75°, -2.5 dBic < Ø < 80°, -4.5 dBic < Ø < 85°, -7.5 dBic < Ø = 90° (Horizon), +5.0 dBic nom. at Ø = 0° (Zenith). Amplifier: Voltage 5vdc; Gain 17dB ±3 Db; Noise Figure 2.0 dB Maximum / 3.8 dB Maximum; Impedance 50 Ohms; VSWR 2.0:1 Maximum Output; Out of Band Rejection 35 dB Minimum @ 1626 MHz; Power Handling 20 mA Maximum; Lightning DC Grounded. Data Link Electrical: Frequency 137 - 150.5 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power Rating 50 Watts; VHF Harmonic Rejection 80 dB Typical. Mechanical: Weight 0.6 lb. Maximum; Height 17.0 in. Maximum; Material Molded Radome; Finish White Polyurethane Enamel (Standard); Connector Order option of BNC -- Data Link Port or TNC -- GPS Port; Gasket C248006-2 Cork. Environmental: Temperature -55°C to +85°C; Altitude 55,000 ft. Air Speed 350 Knots TAS. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB[S(L)U(F,F1)T(C,C1,R)] XRFXXSXXXXXXXX[XX]C; FAA TSO C37d, C38d, C144; RTCA MOPS DO-228.

Comant CI-2680100 GPS/ORBCOMM WX 26.5dB Antenna $940.00 $846.00 On Sale! CI-2680100 The CI 2680-100 extends the lineage that began with the CI 2480 Series ComDat. This model features super tough construction for today's bigger and higher speed aircraft. The antenna combines two functions into one. With two connectors on the base plate, GPS functions on TNC, and BNC is used for Orbcomm. This popular combination offers the best Orbcomm functionality for weather data in the cockpit. Installers will save time and money by installing fewer antennas. Pilots will appreciate the reduction in the number of antennas on their aircraft, and reduced drag, resulting in fuel economy and even higher speeds. Tough, new design features heavy duty nickel plated aluminum base plate with integral Nitrile 'O' ring, making it easier for pressurized aircraft installations. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42+/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 26.5 dB - 31.5 Db; Noise Figure 3.8 dB Max.; Selectivity(dB@MHz) -3.5dB Min. @ 1626.5 MHz; DC Voltage 4-24 V; DC Current (Min./Max.) 25mA/40mA; Burnout Protection (CW unmod.) 30dBm/1.0W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics Orbcomm: Frequency 137.00-150.05 MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max. TSO C144; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2680101 GPS/ORBCOMM WX 17.0db Antenna $940.00 $846.00 On Sale! CI-2680101 The CI 2680-101 extends the lineage that began with the CI 2480 Series ComDat. This model features super tough construction for today's bigger and higher speed aircraft. The antenna combines two functions into one. With two connectors on the base plate, GPS functions on TNC, and BNC is used for Orbcomm. This popular combination offers the best Orbcomm functionality for weather data in the cockpit. Installers will save time and money by installing fewer antennas. Pilots will appreciate the reduction in the number of antennas on their aircraft, and reduced drag, resulting in fuel economy and even higher speeds. Tough, new design features heavy duty nickel plated aluminum base plate with integral Nitrile 'O' ring, making it easier for pressurized aircraft installations. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42+/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 37.0 dB - 43.0 Db; Noise Figure 3.8 dB Max.; Selectivity(dB@MHz) -3.5dB Min. @ 1626.5 MHz; DC Voltage 4-24 V ; DC Current (Min./Max.) 25mA/40mA; Burnout Protection (CW unmod.) 30dBm/1.0W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics Orbcomm: Frequency 137.00-150.05 MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omn idirectional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2680400 GPS/Sat-Comm WX/VHF 26.5dB Antenna $1,200.00 $1,080.00 On Sale! CI-2680400 The CI 2680-400 extends the lineage that began with the CI 2480 Series ComDat. This model features super tough construction for today's bigger and higher speed aircraft. The antenna combines three separate functions into one. With two connectors on the base plate, GPS functions on TNC and BNC is used for combined VHF/Orbcomm. VHF/Orbcomm requires the Avidyne DC50 coupler allowing the VHF side to operate as Comm 2 or as Orbcomm TX/RX. Installers will save time and money placing fewer antennas. Pilots will appreciate the reduction in the number of antennas on their aircraft and reduced drag resulting in fuel economy and higher speeds. Built in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42 +/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 37.0 dB - 43.0 Db; Noise Figure 3.8 dB Max.; Selectivity (dB @ MHz) -35dB Min @1626.5; DC Voltage 4 - 24 Vdc; DC Current (Min./Max.) 25mA / 40mA; Burnout Protection 30dBm/1.0 W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. RF Characteristics Orbcomm: Frequency 137.00 - 150.05 MHz ; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC ; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2680504 GPS/Sat-Ent WX/VHF/ORBCOMM Antenna $1,300.00 $1,170.00 On Sale! CI-2680504 First of it's kind, the CI 2680-504 combines four separate antenna functions into one. Three different connections are on the base plate. TNC for GPS, SMA for popular satellite radio and/or weather data systems and BNC for combined VHF/Orbcomm. The BNC VHF/Orbcomm requires the Avidyne DC50 coupler, allowing the VHF side to operate as Comm 2 or as Orbcomm TX/RX. This model encompasses what the ComDat concept is all about. Installers will save time and money placing one antenna instead of four. Pilots will appreciate the reduction in the number of antennas on their aircraft and reduced drag resulting in fuel ecomony and higher speeds. The CI2680-504 features super tough construction for today's bigger and higher speed aircraft. Built in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42 +/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 37.0 dB - 43.0 Db; Noise Figure 3.8 dB Max.; Selectivity (dB @ MHz) -35dB Min @1626.5; DC Voltage 4 - 24 Vdc; DC Current (Min./Max.) 25mA / 40mA; Burnout Protection 30dBm/1.0 W; Polarization RHCP; Radiation Gain Pattern Hemispherical. Preamp Characteristics SAT-ENT/WX: Frequency 2320.0 - 2345.0 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 2.0:1 Max. ; Noise Figure 2.7 dB Max.; Selectivity (dB @ MHz) -20dB Min (FC+/-230); DC Voltage 4.75 - 24 Vdc; DC Current (Min./Max.) 45mA / 55mA; Polarization LHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz ; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. RF Characteristics Orbcomm: Frequency 137.00 - 150.05 MHz ; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-420-220 GPS/Teardrop TNC 26.5DB Antenna $466.00 $419.00 On Sale! CI-420-220 The CI 420-220 provides GPS for 26.5dB systems such as Honeywell®, in the popular “teardrop” shape. Patented design offers GPS performance for Bendix King®, GarminAT® (formerly UPS), L3® and other similar systems that require 26.5dB gain. All-new construction and design offers the latest in GPS antenna and amplifier technology. WAAS ready, this antenna has been tested under the most rigorous conditions as outlined by RTCA DO-160D. Matches footprint of Honeywell’s KA 92 and Comant’s CI 405 Series, which this design replaces. SPECIFICATIONS: GPS Preamplifier Characteristics: Frequency 1575.42 MHz; VSWR 1.5:1 Maximum; Polarization RHCP; Radiation Pattern Hemispherical; Impedance 50 Ohms Output (Nominal); Gain @ 1575.42 MHz 26.5 to 31.5dB Maximum; DC Voltage 4 to 24 VDC; DC Current 25mA Minimum / 40mA Maximum; Noise Figure 3.8dB Maximum; Selectivity -35dB Minimum SATCOM 1626.5; Burnout Protection 30dBm / 1.0 CW Un-modulated. Mechanical / Environmental: Speed / Altitude 330 KIAS Maximum @ Sea Level; Weight 4.2 Oz. Maximum; RTCA Environmental DO-160D; Environmental Cat. [F2X]ACB[S(L)U(F,F1)T(C,C1,R)]XRF DXSXXXXX[XX]X[XXXX][1B]CA; FAA TSO C144; RTCA MOPS DO-228; ORDER OPTIONS Connector GPS Port TNC; Color Color White.

Comant CI-2480201 GPS/VHF Combo 17.0dB Antenna $636.00 $572.00 On Sale! CI-2480201 All new design shares the popular CI-248 style. Combines both GPS and VHF Com functions in a single footprint. Same 4-hole mounting dimensions as popular VHF antennas. Provides separate connections - TNC for GPS and BNC for communication. Requires no other accessories for connection to panel-mount or handheld GPS/Comm receiver/transceiver "combos." Features a built-in notch filter for excellent performance in a single package, and a GPS amplifier designed specifically for Garmin™ GPS receivers. This patented design is perfect for helicopter applications, and has been tested under the toughest RTCA DO-160D environmental conditions. SPECIFICATIONS: GPS Electrical: Frequency 1575.42 MHz 17dB Gain 118-137 MHz Polarization RHCP; Axial Ratio (Boresight) 3 dB Maximum; Power Handling 1 Watt; Radiation Coverage (Gain) -1.0 dBic < Ø < 75°, -2.5 dBic < Ø < 80°, -4.5 dBic < Ø < 85°, -7.5 dBic < Ø = 90° (Horizon), +5.0 dBic nom. at Ø = 0° (Zenith). Amplifier: Voltage 5vdc; Gain 17dB ±3 Db; Noise Figure 2.0 dB Maximum / 3.8 dB Maximum; Impedance 50 Ohms; VSWR 2.0:1 Maximum Output; Out of Band Rejection 35 dB Minimum @ 1626 MHz; Power Handling 50 mA Maximum; Lightning DC Grounded. VHF Electrical: Frequency 118 - 137 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power Rating 50 Watts; VHF Harmonic Rejection 80 dB Typical. Mechanical: Weight 0.6 lb. Maximum; Height 17.0 in. Maximum; Material Molded Radome; Finish White Polyurethane Enamel (Standard); Connector Order option of BNC -- VHF Port or TNC -- GPS Port; Gasket C248006-2 Cork. Environmental: Temperature -55°C to +85°C; Altitude 55,000 ft.; Air Speed 350 Knots TAS. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB[S(L)U(F,F1)T(C,C1,R)] XRFXXSXXXXXXXX[XX]C; FAA TSO C37d, C38d, C144; RTCA MOPS DO-208.

Comant CI-2480200 GPS/VHF Combo 26.5dB Antenna $636.00 $572.00 On Sale! CI-2480200 All new design shares the popular CI 248 style. Combines both GPS and VHF Com functions in a single footprint. Same 4-hole mounting dimensions as popular VHF antennas. Provides separate connections - TNC for GPS and BNC for communication. Requires no other accessories for connection to panel-mount or handheld GPS/Comm receiver/transceiver "combos." Features a built-in notch filter for excellent performance in a single package, and a GPS amplifier designed specifically for Bendix-King™ GPS receivers. This patented design is perfect for helicopter applications, and has been tested under the toughest RTCA DO-160D environmental conditions. SPECIFICATIONS: GPS Electrical: Frequency 1575.42 MHz 26.5dB Gain 118-137 MHz; Polarization RHCP; Axial Ratio (Boresight) 3 dB Maximum; Power Handling 1 Watt; Radiation Coverage (Gain) -1.0 dBic < Ø < 75°, -2.5 dBic < Ø < 80°, -4.5 dBic < Ø < 85°, -7.5 dBic < Ø = 90° (Horizon), +5.0 dBic nom. at Ø = 0° (Zenith). Amplifier Voltage 5vdc; Gain 26.5 dB; Noise Figure 2.0dB Maximum ; Impedance 50 Ohms; VSWR 2.0:1 Maximum Output; Out Of Band Rejection 35dB Minimum @ 1626MHz; Power Handling 50 mA Maximum; Lightning DC Grounded. Data Link Electrical: Frequency 118-137 MHz; VSWR 2.5:1 Maximum; Polarization Vertical; Radiation Patern Omni directional; Impedance 50 Ohms; Power Rating 50 Watts; VHF Harmonic Rejection 80dB Typical. Mechanical: Weight 0.6 lb. Maximum; Height 17.0 in. Maximum; Material Molded Radome; Finish Polyurethane Enamel; Connector See Order Option. Environment: Temperature -55°C to +85°C; Altitude 55,000 ft. Air Speed 350 KTS. TAS. Federal Specifications: RTCA Environmental DO-160D; Evironmental Category [F2X]ACB[S(L)U(F, F1)T(C, C1, R)]XRFXXSXXXXXXXX[XX]C; FAA TSO C37d, C38d, C144; RTCA MOPS DO-186A, DO-228.

Comant CI-2680200 GPS/VHF 26.5dB Antenna $940.00 $846.00 On Sale! CI-2680200 Combining GPS and VHF is where it all began for the popular ComDat product line. Now, ComDats feature super tough construction for today's bigger and higher speed aircraft. Plus, integral Nitrile 'O' ring and nicket plated aluminum base plates make these new models easier to install on pressurized aircraft. The CI-2680200 combines two functions into one. With two connectors on the base plate, GPS functions on TNC, and BNC is used for VHF Comm. Installers will save time and money by installing fewer antennas. Pilots will appreciate the reduction in the number of antennas on their aircraft, and reduced drag, resulting in fuel economy and even higher speeds. Built-in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42+/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max. ; Gain at 1575.42 +/- 3 MHZ 26.5 dB - 31.5 dB; Noise Figure 3.8 dB Max.; Selectivity(dB@MHz) -3.5dB Min. @ 1626.5 MHz; DC Voltage 4-24 Vdc; DC Current (Min./Max.) 25mA/40mA; Burnout Protection (CW unmod.) 30dBm/1.0W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2680204 GPS/VHF 40.0dB Antenna $940.00 $846.00 On Sale! CI-2680204 Combining GPS and VHF is where it all began for the popular ComDat product line. Now, ComDats feature super tough construction for today's bigger and higher speed aircraft. Plus, integral Nitrile 'O' ring and nicket plated aluminum base plates make these new models easier to install on pressurized aircraft. The CI-2680204 combines two functions into one. With two connectors on the base plate, GPS functions on TNC, and BNC is used for VHF Comm. Installers will save time and money by installing fewer antennas. Pilots will appreciate the reduction in the number of antennas on their aircraft, and reduced drag, resulting in fuel economy and even higher speeds. Built-in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42+/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 37.0 dB - 43.0 dB; Noise Figure 3.8 dB Max.; Selectivity(dB@MHz) -3.5dB Min. @ 1626.5 MHz; DC Voltage 4-24 Vdc; DC Current (Min./Max.) 25mA/40mA; Burnout Protection (CW unmod.) 30dBm/1.0W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.. Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2480301 GPS/VHF/ORBCOMM 17.0DB Antenna $795.00 $715.00 On Sale! CI-2480301 This is the first "three-in-one" antenna of its type. In a single footprint, this antenna provides GPS, VHF, and Orbcomm reception. This saves precious airframe space, and minimizes installation costs. Plus, by bringing three antennas down to one, reduced drag and increased aesthetics are obvious benefits. Designed in conjunction with Avidyne™, this antenna also has a built-in notch filter, eliminating the need for in-line filters or excessive spacing between VHF and GPS antennas. The CI-2480-301 is designed for 40 dB gain GPS systems as seen with Garmin™ GPS systems. SPECIFICATIONS: GPS Electrical: Frequency 1575.42 ±3 MHz; Polarization RHCP; Axial Ratio (Boresight) 3 dB Maximum; Power Handling 1 Watt; Radiation Coverage (Gain) -1.0 dBic < Ø < 75°, -2.5 dBic < Ø < 80°, -4.5 dBic < Ø < 85°, -7.5 dBic < Ø = 90° (Horizon), +5.0 dBic nom. at Ø = 0° (Zenith). Amplifier: Voltage 5vdc; Gain 17dB; Noise Figure 3.8 dB Maximum; Impedance 50 Ohms; VSWR 2.0:1 Maximum Output; Out of Band Rejection 35 dB Minimum @ 1626 MHz; Power Handling 50 mA Maximum; Lightning DC Grounded. Data Link Electrical: Frequency 118 - 137 MHz VHF- 137 - 150.5 MHz ORBCOMM; VSWR 2.5:1 Maximum VHF- 1.8:1 Maximum ORBCOMM; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power Rating 50 Watts; VHF Harmonic Rejection 80 dB Typical. Mechanical: Weight 0.6 lb. Maximum; Height 17.0 in. Maximum; Material Molded Radome; Finish White Polyurethane Enamel (Standard); Connector Order option of BNC -- VHF Port or TNC -- GPS Port; Gasket C248006-2 Cork. Environmental: Temperature -55°C to +85°C; Altitude 55,000 ft; Air Speed 350 Knots TAS. Federal Specifications: RTCA Environmental DO-160D: Environmental Category [F2X]ACB[S(L)U(F,F1)T(C,C1,R)] XRFXXSXXXXXXXX[XX]C; FAA TSO C37d, C38d, C144; RTCA MOPS DO-186A, DO-208.

Comant CI-2480300 GPS/VHF/ORBCOMM 26.5dB Antenna $795.00 $715.00 On Sale! CI-2480300 This is the first "three-in-one" antenna of its type. In a single footprint, this antenna provides GPS, VHF, and Orbcomm reception. This saves precious airframe space, and minimizes installation costs. Plus, by bringing three antennas down to one, reduced drag and increased aesthetics are obvious benefits. Designed in conjunction with Avidyne™, this antenna also has a built-in notch filter, eliminating the need for in-line filters or excessive spacing between VHF and GPS antennas. The CI-2480-300 is designed for 26.5 dB gain GPS systems as seen with BendixKing™, UPS™, and Universal Navigation™. SPECIFICATIONS: GPS Electrical: Frequency 1575.42 ±3 MHz; Polarization RHCP; Axial Ratio (Boresight) 3 dB Maximum; Power Handling 1 Watt; Radiation Coverage (Gain) -1.0 dBic < Ø < 75°, -2.5 dBic < Ø < 80°, -4.5 dBic < Ø < 85°, -7.5 dBic < Ø = 90° (Horizon), +5.0 dBic nom. at Ø = 0° (Zenith). Amplifier: Voltage 5vdc; Gain 26.5 dB; Noise Figure 2.0 dB Maximum; Impedance 50 Ohms; VSWR 2.0:1 Maximum Output; Out of Band Rejection 35 dB Minimum @ 1626 MHz; Power Handling 50 mA Maximum; Lightning DC Grounded. Data Link Electrical: Frequency 118 - 137 MHz VHF- 137 - 150.5 MHz ORBCOMM; VSWR 2.5:1 Maximum VHF- 1.8:1 Maximum ORBCOMM; Polarization Vertical; Radiation Pattern Omni directional; Impedance 50 Ohms; Power Rating 50 Watts; VHF Harmonic Rejection 80 dB Typical. Mechanical: Weight 0.6 lb. Maximum; Height 17.0 in. Maximum; Material Molded Radome; Finish White Polyurethane Enamel (Standard); Connector Order option of BNC -- VHF Port or TNC -- GPS Port; Gasket C248006-2 Cork. Environmental: Temperature -55°C to +85°C; Altitude 55,000 ft.; Air Speed 350 Knots TAS. Federal Specifications: RTCA Environmental DO-160D; Environmental Category [F2X]ACB[S(L)U(F,F1)T(C,C1,R)] XRFXXSXXXXXXXX[XX]C; FAA TSO C37d, C38d, C144; RTCA MOPS DO-186A, DO-228.

Comant CI-2680300 GPS/VHF/ORBCOMMm 26.5dB Antenna $1,100.00 $990.00 On Sale! CI-2680300 The CI 2680-300 extends the lineage that began with the CI 2480 Series ComDat. This model features super tough construction for today's bigger and higher speed aircraft. The antenna combines three separate functions into one. With two connectors on the base plate, GPS functions on TNC and BNC is used for combined VHF/Orbcomm. VHF/Orbcomm requires the Avidyne DC50 coupler allowing the VHF side to operate as Comm 2 or as Orbcomm TX/RX. Installers will save time and money placing one antenna instead of three. Pilots will appreciate the reduction in the number of antennas on their aircraft and reduced drag resulting in fuel economy higher speeds. Built in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42 +/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 26.5 dB - 31.5 dB; Noise Figure 3.8 dB Max.; Selectivity (dB @ MHz) -35dB Min @1626.5; DC Voltage 4 - 24 Vdc; DC Current (Min./Max.) 25mA / 40mA; Burnout Protection 30dBm/1.0 W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. RF Characteristics Orbcomm: Frequency 137.00 - 150.05 MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2680304 GPS/VHF/ORBCOMM 40.0dB Antenna $1,100.00 $990.00 On Sale! CI-2680304 The CI 2680-304 extends the lineage that began with the CI 2480 Series ComDat. This model features super tough construction for today's bigger and higher speed aircraft. The antenna combines three separate functions into one. With two connectors on the base plate, GPS functions on TNC and BNC is used for combined VHF/Orbcomm. VHF/Orbcomm requires the Avidyne DC50 coupler allowing the VHF side to operate as Comm 2 or as Orbcomm TX/RX. Installers will save time and money placing fewer antennas. Pilots will appreciate the reduction in the number of antennas on their aircraft and reduced drag resulting in fuel economy and higher speeds. Built in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42 +/- 3 MHz; Output Impedance 50 Ohms (Nominal) ; Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 37.0 dB - 43.0 dB; Noise Figure 3.8 dB Max.; Selectivity (dB @ MHz) -35dB Min @1626.5; DC Voltage 4 - 24 Vdc; DC Current (Min./Max.) 25mA / 40mA; Burnout Protection 30dBm/1.0 W; Polarization RHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. RF Characteristics Orbcomm: Frequency 137.00 - 150.05 MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.

Comant CI-2680500 GPS/VHF/ORBCOMM/SAT-ENT/WX Antenna $1,300.00 $1,170.00 On Sale! CI-2680500 First of it's kind, the CI 2680-500 combines four separate antenna functions into one. Three different connections are on the base plate. TNC for GPS, SMA for popular satellite radio and/or weather data systems and BNC for combined VHF/Orbcomm. The BNC VHF/Orbcomm requires the Avidyne DC50 coupler, allowing the VHF side to operate as Comm 2 or as Orbcomm TX/RX. This model encompasses what the ComDat concept is all about. Installers will save time and money placing one antenna instead of four. Pilots will appreciate the reduction in the number of antennas on their aircraft and reduced drag resulting in fuel economy and higher speeds. The CI2680-500 features super tough construction for today's bigger and higher speed aircraft. Built in harmonic suppression filter limits VHF/GPS co-site interference. SPECIFICATIONS: Preamp Characteristics GPS: Frequency 1575.42 +/- 3 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 1.7:1 Max.; Gain at 1575.42 +/- 3 MHZ 26.5 dB - 31.5 dB; Noise Figure 3.8 dB Max.; Selectivity (dB @ MHz) -35dB Min @1626.5; DC Voltage 4 - 24 Vdc; DC Current (Min./Max.) 25mA / 40mA; Burnout Protection 30dBm/1.0 W; Polarization RHCP; Radiation Gain Pattern Hemispherical. Preamp Characteristics SAT-ENT/WX: Frequency 2320.0 - 2345.0 MHz; Output Impedance 50 Ohms (Nominal); Output VSWR 2.0:1 Max. ; Gain at 1575.42 +/- 3 MHZ; Noise Figure 2.7 dB Max.; Selectivity (dB @ MHz) -20dB Min (FC+/-230); DC Voltage 4.75 - 24 Vdc; DC Current (Min./Max.) 25mA / 40mA; Polarization LHCP; Radiation Gain Pattern Hemispherical. RF Characteristics VHF: Frequency 118 - 137. MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. RF Characteristics Orbcomm: Frequency 137.00 - 150.05 MHz; VSWR 2.5:1; Polarization Vertical; Radiation Pattern Omni directional; Power Rating 50 Watts; Impedance 50 Ohms. Mechanical/Environmental: Weight 1.25 Lb. Max.; Connector TNC, BNC; Air Speed 325 KIAS Max. @ Sea Level; Service Ceiling 35,000 Ft. Max.; TSO C144, C37d, C38d; Environmental Category (F2X)ACB[S(C,L,M)T(C1,Y,R)] XSFXSXXXXX[XX]X[XXXX][XCX.