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 86634-GAR0100231600 GPS 24xd HVS GPS Antenna with Heading Sensor - NMEA 0183 The GPS 24xd position receiver and antenna gives you precise location with multi-band GNSS and heading accuracy even at slow speeds. Features: Navigate in more locations with expanded GNSS support Get high-sensitivity tracking with fast GPS update rate Accurately pinpoint your heading ? regardless of speed It?s water-resistant (IPX7) to withstand the elements Install it easily with multiple mounting options The antenna is compatible with NMEA 2000 devices MULTI-BAND GNSS Multi-band GNSS provides location accuracy to within 1 metre to compatible marine multifunction displays, instrument displays and autopilots. MAGNETIC HEADING The magnetic heading sensor provides accuracy to within 3 degrees, stabilising charts, radar overlay and MARPA even at slow speeds. HIGH-SENSITIVITY GPS Fast 10 Hz position update rates provide high-sensitivity position, velocity and time data. MULTI-SBAS COMPATIBLE Multi-SBAS compatibility corrects signal measurement errors and provides information about the accuracy, integrity, continuity and availability of its signals. MOUNTING OPTIONS Installation is easy with under-deck, pole and surface-mount options. Dimensions (D x H) 3 19/32" x 1 15/16" (91.6 mm x 49.5 mm) Weight 7.1 oz (201 g) Cable length 19 ft 8" (6 m) Temperature range -22 to 176 F (-30 to 80 C) Case material Fully gasketed, high-impact plastic alloy; waterproof to IPX7 Compass-safe distance 5.9" (150 mm) Power source input 8-33 Vdc, unregulated Input current 150 mA at 12 Vdc Position accuracy, typical marine use 50 cm, CEP 50%; 1.0 meter, 88% GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.