Cobra Marine CM 300-005 Cobra Positioning System. External GPS receiver. Connects easily to any fixed mount marine VHF radio or chart plotter. All necessary cabling included. Simply plug into the Cobra MR F57 GPS VHF Marine radios and/or plug into your current Cobra Radio. Waterproof - rated to IPX6 Waterproof specifications to insure reliable operations even in rough weather. 56 Channel GPS receiver insures reception of all viewable satellites in the sky. Simple "stick on" installation under the console - no special tools required. Compatible to NMEA 0183 Version 4.0.

Buy it new for $80.00.

This one has never been installed - everything included. Get it for $40.00