Single-Channel Remote Speaker Station Half-duplex, push-to-talk functionality Four modes of operation that are internally programmable Microprocessor controlled logic and switching
2-Channel Remote Speaker Station with Gooseneck Mic Connector Gooseneck microphone connector with VOX circuitry Talk/Listen from headset mic, telephone handset
2-Channel Remote Speaker Station Talk/Listen from headset mic, telephone handset or push-to-talk microphone Four modes of operation that are internally