Raymarine Ray49 VHF Fixed Mount Radio Ultra-compact fixed mount design with full 25-watt output Class D DSC (Digital Selective Calling) with front-mounted distress key and GPS interface Rugged, waterproof and submersible (IPX-7) design Programmable scanning with dual watch, tri-watch and NOAA weather alert Easy to use rotary controls for channel, volume, squelch and menu operation