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Garmin GPS V III+ Sounder GPSMap 178C 188 276C 298c 398c 498c iCOM 270ML 370ML External GPS Antenna

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List Price: $29.95
On Sale: $19.95
You Save: $10 (33%)



Your Garmin, Furuno or ICOM GPS receiver is only as accurate as the GPS signal it receives, so ensure that you are making the most of your investment with a Gilsson Technologies amplified GPS antenna. Guaranteed to be the best performing active external GPS antenna on the market, boost GPS signal reception with Gilsson's GPS antenna!

Unique Features:

  • Fully compatible with Garmin GPS receivers with BNC antenna connectors. (Only exception is the GPSMAP 276)
  • Amplified (active) GPS antenna for exceptional GPS signal reception in all environments.
  • Built-in magnets for mounting on car rooftops or other metallic surfaces (user-removable, to prevent interference with magnetic compass readings)
  • Right Angle BNC connector, which permits maneuverability on dashboards, in backpacks, carrying cases and tight paces.
  • Built-in permanent mounting holes for installation on aircraft fuselage, boat surfaces or car/RV/SUV vehicle surfaces.


- Radome: Black Polycarbonate Radome with die-cast base - Dimensions: 2.3 in. (L) x 1.9 in. (W) x 0.6 in. (H) - Mounting (included): Two user-removable magnets; two M3 screws for holes on base - Other Mounting Options: Suction cup mount for surface mounting - Power Gain: 28 dB - Operating Voltage: 2.5V~12V DC Power - Power Consumption: 12mA +/- 1mA - Operating Temperature: -40 to +185 degrees F - Noise: 2.0 max. - Impedance: 50 ohm - Frequency: 1575.42 MHz - Cable: RG174/U (in 3, 9, 16 or 25 ft lengths) - 100% waterproof

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