USB Programming Cable For OPC-478 OPC478 ICOM Alinco Mobile Transceiver Radio Works as virtual COM port in PC for Radio Programming(Programming Software & Drivers Required, NOT included in this product). Connector: 3.5 mm audio plug to USB. RLN4008 rib part build-in, No Radio Interface Box (RIB) required. Quick and easy programming of memory channels, memory names and set mode contents via PC. Draws low current from the USB port. Available for both desktops and laptops.