... Bandwidth6/7/8MHz or 1.25/2.5MHzPower Output≥30dBmC/N Rate≤25dB @ 32dBmModulationOFDMConstellationQPSK/16QAM @ 1.25/2.5MHz,QPSK/16QAM ... .5MHzAudio InputRight/left, stereoRS232 Control InterfaceStandard RS232 level,9600,8,N,1RS232 Data InterfaceStandard RS232 level,support 1200~115200Voice Working FrequencyCustomizedVoice ...