A self-contained, waterproof GPS receiver and antenna combined, the Raystar 125 Plus delivers accuracy better than 3 meters to Raymarine multifunction displays and instrument systems. Compact and versatile, the 125 Plus features SeaTalk networking in addition to SeaTalk 1 and NMEA0183 capability. Comes with a 22-ft. interconnect cable, pole-mount kit, flush-mount kit instruction manual and a SeaTalk 1 to SeaTalk Converter Kit.