The Gilsson RPC interface cable, will allow you to transfer a variety of data to and from your compatible Garmin GPS system. Including waypoints, tracks, routes, updates as well as Garmin Mapsource data. This cable comes with a connection compatible with Garmin systems featuring 4 or 5 pin connectors as well as a "stress relief" component built into the structure of the cable for added durability. Its make-up also displays a serial connection including screws at the connection point to your pc for additional strength and support. The RPC cable works with Garmin GPSMAP 60CS, 76,GPS II, III, V, 12, 38, 40 as well as the StreetPilot III. Comparible to Garmin Part# 010-10141-00