The Lowrance Point-1 is the ideal position and heading device. Unlike other position-only antennas the Point-1 provides heading for accurate boat direction at any speed and for radar and chart overlay. This antenna easily connects to any HDS Gen2, or Elite-7 display or any NMEA 2000A(R) network. It is fully waterproof and can be pole or surface mounted on any boat. GPS Receiver Antenna NMEA 2000 Position and Heading Sensor 32 Channels Supports GPS and GLONASS, Galileo-Capable with Future Software Update Supports SBAS Including WAAS/EGNOS/MSAS 10 Hz Multi-GNSS Updates for Smooth and Accurate Location Integrated Electronic Compass with GPS Improved Course Over Ground Radar Overlay on Chart Consistent Position Accuracy Compact Design Fully Waterproof Includes: Antenna 4&'; Cable T Connector Pole Mount Mounting Hardware Installation Guide