... , Police Technical Support Units, Special Forces, Military Command and Control Posts, Airport, Border Control, Major Incident Support. Product Application and Features: Voice intercommunicationInset ... antennas) Transmitter SpecificationModulation COFDMDC InputDC12V~DC16VWorking Current≤3A/DC12.5VRS232 Control InterfaceStandard RS232 level, 9600,8,N,1RS232 Data InterfaceStandard RS232 ...