Abstract: A mobile citizen band transceiver (hereinafter referred to as CB transceiver) control unit with an audio frequency apparatus includes a radio receiver, an instrument panel at which the radio receiver is installed in an in-dash mounting, a channel selecting knob for the CB transceiver, a channel indicating member, and a CB transceiver unit including electrical circuits for receiving or transmitting CB signals, except at least the channel selecting knob and the channel indicating member, and a connection cable for connecting the channel selecting knob and channel indicating member to the CB transceiver unit. The channel selecting knob and the channel indicating member are built into the radio receiver, or alternatively located adjacent to the radio receiver. The transceiver unit is installed at any desired location other than the instrument panel.