GPK-11GPS WAAS ReceiverTrue 16-Channel GPS WAAS ReceiverThe new GPk-11 receiver adds unprecedented positioning accuracy to your existing electronics by utilizing advanced WAAS technology and best of all, it can be mounted virtually next to most other onboard electronics without signal interference. Will put your boat within 3 meters of your waypoint in most situations great for revisiting fishing hotspots. Interfaces seamlessly with charting systems, track plotters, autopilots and other NMEA-0183 systems. Corrections are uplinked to satellites for complete U.S. coverage and out to 200 miles offshore. All components housed in a single compact unit for convenient installation. Rugged, weatherproof construction.