HAM – Gear – ICOM OPC-478UC-1 – Programming Cable Back to HAM – Lab Back to HAM – Gear The ICOM OPC-478UC is a Programming Cable for certain types of ICOM Transceivers (like the ICOM IC-2730E) having CI-V [CAT] connectivity on a 3.5mm Jack Connector. The ICOM OPC-478UC. Source: DX ENGINEERING. Resources Instructions [local] [vendor]ICOM CI-V [3rd Edition] [local] [source] Photos  [local] – unpacking  – ICOM OPC-478UC-1 – The Box.  – ICOM OPC-478UC-1 – Integrated CI-V <-> USB Interface and Transceiver Cable (Jack 3.5mm Stereo – only Ground/Sleeve and ring are used for CI-V).  – ICOM OPC-478UC-1 – USB Cable (a.k.a. OPC-1637).  – ICOM OPC-478UC-1 – Ferrite Clamp.