Uniden BWZG1844001 GPS Serial Cable for BCD436HP BCD396XT Homepatrol II,  DMA Scanners plus More This 4' cable comes with and is required to connect the Uniden BC-GPSK GPS Receiver to the following scanners: BC346XT, BC346XTC, BCD396T, BCD396XT, BCD436HP, HomePatrol, HomePatrol-2 This cable female DB-9 would then attach to the Male DB-9 connector on the Uniden GPS Receiver This cable will also work with the Garmin 18X GPS Receiver