Garmin GPS 24xd GPS Antenna w/Heading Sensor f/NMEA 2000 Network - Black [010-02316-20]GPS 24xd GPS Antenna with Heading Sensor for NMEA 2000 Network Black The GPS 24xd position receiver and antenna give users precise location with multi band GNSS and heading accuracy even at slow speeds. Features: Navigate to more locations with expanded GNSS support Get high sensitivity tracking with a fast GPS update rate Accurately pinpoint, regardless of speed Its water resistant (IPX7) to withstand the elements Install it easily with multiple