John Sloan:
Garmin GPS-18x PC in NMEA Mode
John Sloan:
Garmin GPS-18x USB in NMEA mode
John Sloan:
Cadmium: Garmin GPS-18x PC in CPO mode
John Sloan:
Garmin GPS-18x PC with FTDI RS232-to-USB serial adaptor and 12v-to-USB power adaptor
John Sloan:
Garmin GPS-18x USB
John Sloan:
Cadmium: Garmin GPS 18x-USB in CPO mode