Cable, 1 m (3.281 feet), Compaq/HP h3800, 3900, 2200, 4000, or 5000 series Pocket PC to LXNAV NanoPower Cable
iPAQ 3800 connector -> RJ45 connector, This cable provides complete communication between the units as well as passing +5 VDC power from the NanoPower cable to the PDA.  The NanoPower cable is powered with 12V from the glider's power system and provides 5V power for the Nano and the PDA.