NMEA0183 compliant. Connect your existing GPS or purchase this high speed receiver from us. Will work on GPS speedometers with 3 stud terminals. These no longer use an internal battery, they are "hard wired" to the boats battery.
NMEA0183 compliant. Connect your existing GPS or purchase this high speed receiver from us. Will work on GPS speedometers with 3 stud terminals. These no longer use an internal battery, they are "hard wired" to the boats battery.