... specially for the transmission of audio and video data. The COFDM modulation and MPEG-2 video ... such as: Police Forces, First Responders, Security Services, Fire Services, Port Security, Homeland Security, Traffic Management, Police Technical Support Units ... Control InterfaceStandard RS232 level, 9600,8,N,1RS232 Data InterfaceStandard RS232 level, supporting 1200~115200ConstellationQPSK,16QAM,64QAM ...