Here we have a Setcom RCB-18KR Radio Interface Cable for 15-Pin Accessory Connector on Remote Option Cable. Note that it requires a Kenwood Remote Option Cable, KCT-19. It works with the following radios: Kenwood TK-740, 760, 762, 840, 860, 862, 940. Also for 80-series: TK-780, 880, 980.

It is covered by a 12-month warranty from Setcom.

You can download the interface instructions, .