Personal communications unit
作者： Kim David Vollendorf , Stuart John Collar , Michael Frank DiCicco , Steven Frederic Davidson , Jeffrey Jay Stone
DOI:
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摘要: A personal communications unit facilitates both wired and wireless with a intercom. The has headset, an intercom connection cable placeable in electrical communication the headset also intercom, radio transceiver which is switching circuit configured to place when not headset. Wired wire are facilitated connected disconnected from
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