Icom USB Cloning Cable and Software OPC-478U Overview:
The ICOM OPC-478U is a special USB serial interface cable kit that provides easy programming of memory channels, memory names, and set mode contents via a Windows PC. The kit includes the OPC-478U interface box, the OPC-1045 USB cable and a driver diskette.
The OPC-478U can also be connected to a USB 2.0 port, however it will be transferring data in the USB 1.1 format. It is recommended that the OPC-478U not be used with a USB extension cable as data errors may result.