ESCO TSC-1005CM Intercom (5 Station W/Call & 13" Mic Attached) 941-0027 The TSC1005CM is a 5 channel 2-way intercom with an external switch activated doorbell type call-in feature. Speakers and call buttons wire to a terminal strip located on the bottom of the intercom. The TSC1005CM has an externally mounted 13" gooseneck microphone. It was designed to suit such applications as service stations, C-stores, truck stops, or fast food restaurants. Price: $570.00