US Patent 7668566 Speaker microphone connector for communicator

A RF communication system includes a speaker microphone connector connecting a communication station with a communication unit to transmit an audio signal and RF signal therebetween. The speaker microphone connector includes an audio cable, a RF cable and a tubular enclosing shelter enclosing the audio cable and the RF cable therein, wherein an end portion of the RF cable extends out of the enclosing shelter between first and second ends thereof such that the end portion of the RF cable is split with the audio cable to individually connect to the communication station. In addition, a retaining device is provided at the enclosing shelter to retain the RF cable and the audio cable in a splitting manner.