... display,mute control 4.frequency:600-900MHz Condenser Studio Microphone Feature/Function:1.UHF600to900MHz PLL combined technology ... :600-900MHzSensitivity of receiver selective switchS/N ratio:>100dBT. H. D distortion :<0.5%Frequency response :50KHz-18KHz ... -100 meters TRANSMITTER Operating frequency :600-900MHzTransmitter power : H 10dBm ,L 5dBmMIC point:Omni-direction,cardioid,ultra-cardioidModulate ...