Lowrance Point-1 Baja GPS Antenna with N2K Kit & Compass TOUGH: Impervious to the toughest outdoor/off-road conditions including dust, water, shock, and vibration ACCURATE: Highly accurate position and heading sensor with NMEA 2000 networking FAST: Position and course is updated 10 times/second (10 Hz) for smooth and accurate location and trail marking COMPASS: Integrated electronic compass provides 10Hz heading for chart stabilization, plus accurate course over ground even at low speeds COMPATIBLE: Supports GPS and Glonass, SBAS including WAAS/EGNOS/MSAS, Galileo-capable with future software update