Marine External GPS Antenna with 5 Meter Cable for Garmin GPSMAP Navigation
Antenna Gain: 3.5 dBic. Cable Length: 5 m (16.5 ft). 1 x Marine VHF Antenna Bracket. 1 x Antenna. Base Size: 6.5 cm × 9.3 cm (2 1/2 in × 3 9/16 in). Vertical Height (from Base) Thread Length: 110 mm. For LNA Gain: 28 dB (typical).