Garmin Low profile remote GPS Antenna w/suction cup mount for Garmin StreetPilot III Deluxe, GPS III III+ V Deluxe, GPSMap 176C, (BNC) 3ft cable Dimensions: 2.3 in. (L) x 1.9 in. (W) x 0.6 in. (H) Power Gain: 28 dB Gain; 100% waterproof Operating Voltage: 2.5V~12V DC Power Frequency: 1575.42 MHz Cable: RG174/U - 3 foot cable with suction cup mount