Technical Details: Frequency Range: 1575±5MHz Voltage: 3~5V Amplifier Gain.: 26dB Antenna Gain.: 3.5dBic LNA Gain: 28 dB typ. Noise Figure: 1.5dB typ. Operating Temperature(Deg.C): -45~+85 Storage Temperature(Deg.C): -50~+90 Humidity: 100% Weatherproof: Yes Length: 8 m (26 feet) Weight (without cable): 200g (7.5oz) Color: White Connector type: BNC connector Compatible Garmin Models: GPSMAP 520/520s (010-00610-00) GPSMAP 521/521s GPSMAP 525/525S (010-00597-00) GPSMAP 526/526S (010-00772-01) GPSMAP 530/530S (010-00612-00) GPSMAP 531/531S (010-00761-00) GPSMAP 535/535S (010-00599-00) GPSMAP 536/536S (010-00773-00) GPSMAP 540/ 540S (010-00614-00) GPSMAP 541/541S (010-00762-00) GPSMAP 545/ 545S (010-00601-00) GPSMAP 546/546S (010-11774-00) GPSMAP 550/550S (010-00616-00) GPSMAP 555/555S (010-00603-00) GPSMap 720/720S (010-00835-00) GPSMAP 740/740S (010-00835-02) MAP 205 (010-00069-01) NavTalk Pilot (010-00141-01) StreetPilot StreetPilot ColorMap (010-00175-00) StreetPilot III GPS (010-00232-10) GA 26C Antennas (010-10052-04) GA 29 Antennas (010-00174-03) GA 30 GPS Antennas (010-00872-00) GA 56 Low-Profile Antennas (010-10040-01) GA 56 Low-Profile Antennas (010-10040-02)