GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 51176-GAR0101201700 GA 38 GPS/GLONASS Antenna Built to take advantage of the GLONASS system/constellation of satellites as well as standard GPS, this robust external antenna is packaged in a low-profile waterproof housing and provides 3 easy mounting solutions: pole, surface or under-deck (for the underside of fiberglass decks). External GPS/GLONASS antennas provide increased flexibility and installation options as well as the potential for enhanced reception of GPS/GLONASS signal for those products with built-in GPS/GLONASS antennas. In the Box GA 38 Surface mounting bracket Pole mounting bracket Under-deck mounting bracket Mounting hardware Antenna cable (32 ft/10 m) Installation instructions General Specifications Dimensions (DxH): 3 19/32" x 1 15/18" (91.6 mm x 49.5 mm) Weight: 7.1 oz (201 g) Temperature range: -22 F to 176 F (-30 C to 80 C) Case material: Fully gasketed, high-impact plastic alloy, waterproof to IPX7 GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.