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 2000® 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