Affordable Ultra Compact Fixed Mount VHF Radio Meets ITU-R M.493-13 Class D DSDC Built in Seperate DSC Receiver for CH 70 Easy to Operate icon driven Menu system Oversized Full Dot Matrix display 31mm x 55mm DSC Distress, Individual, Group, All Ships, Postion Request, Position Report, and DSC Test Call GPS position and Times shown on Display when connected to a GPS Reciver NMEA0183 input and output connecitons to a compatible NMEA device User programmable soft keys for menu selection Sumbersible to IPX-8 ( 1.5M for 30 minutes) All international, USA and Canadian Marine Channels.