The radio does not have a USB port. You must use an interface cable. The standard cable is the .

The VX-2100 utilizes an on the front panel for programming.

Vertex Standard CE82 software (Latest version recommended, such as v1.04).

What specific (VHF or UHF) is your VX-2100 radio?

CT-106 pigtail cable connecting the FIF-12 to the microphone port of the radio.