Lowrance Point 1 Precision GPS/Glonass Receiver with Electronic CompassThe Lowrance Point-1 is the ideal position and heading device. The Point-1 provides extremely accurate and rapid boat position and speed updates. In addition unlike other position-only antennas the Point-1 provides heading for accurate boat direction at any speed and for radar/chart overlay.The Point-1 easily connects to any HDS Gen2, HDS Gen2 Touch or Elite-7 display or any NMEA 2000 network. It is fully waterproof and can be pole or surface mounted on any boat.Key Features NMEA 2000 position and heading sensor; Supports GPS and GLONASS, Galileo-capable with future software update; Supports SBAS including WAAS/EGNOS/MSAS; 10 Hz updates for smooth and accurate location; Integrated electronic compass provides 10Hz heading for chart stabilization and radar overlay, plus accurate course over ground even at low speeds; Compact, rugged design for all marine environments and fully waterproof; Includes spat/pole mount; Not recommended for use with MARPA or Autopilot; What's in the box Antenna/4' cable; T connector; Spat/pole mount; Mounting hardware; Gasket seal; Install guide; Latest GPS Antenna from Lowrance. Replaces the LGC-4000. Check with Lowrance to see if its compatible with your unit.