Sundely External Marine GPS Antenna For Garmin Boat Ship GPS GPSMAP (with BNC connector)-Long 26Feet Cable External Marine GPS Antenna for Garmin Boat Ship GPS GPSMAP BNC connector, 26 Feet (8 Meters) Long Cable, Frequency Range: 15755MHz GPSMAP178, 178C (010-00363-00), GPSMAP178C Sounder (010-00340-00), GPSMAP180 (010-00149-00), GPSMAP182 (010-00238-00), GPSMAP182C (010-00259-00), GPSMAP185 Sounder (010-00150-00), GPSMAP188 (010-00239-00), GPSMAP188C (010-00260-00), GPSMAP192C (010-00431-00), GPSMAP196 (010-00301-00), GPSMAP198C Sounder (010-00432-00) GPSMAP200 (010-00049-00), GPSMAP205 (010-00069-01), GPSMAP210 (010-00069-00), GPSMAP215 (10-00069-20), GPSMAP220 (010-00070-00), GPSMAP225 (010-00070-20), GPSMAP230 (010-00118-00), GPSMAP232 (010-00118-00), GPSMAP235 Sounder (010-00119-00), GPSMAP238 Sounder (010-00250-10), GPSMAP278 (010-00569-00), GPSMAP292 (010-00506-01), GPSMAP295 (010-00200-00), GPSMAP296 (010-00356-00), GPSMAP298C Sounder (010-00507-00) GPSMAP376C (010-00438-00), GPSMAP378 (010-00542-00), GPSMAP396 (010-00425-00), GPSMAP420/420s, GPSMAP421/421s, GPSMAP430/430s, GPSMAP431/431s, GPSMAP440/440s, GPSMAP441/441s, GPSMAP478 (010-00543-00), GPSMAP492 (010-00503-00), GPSMAP495, GPSMAP496 (010-00578-00), GPSMAP498C Sounder (010-00504-00) Frequency Range: 15755MHz 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)  Connector type: BNC connector