Buletooth2.4GHzWirelessDigitalAudioMODULESpecification .RF部分 Frequencyrange2.400GHZ~2.480GHzMaxRFtransmitpower 4dBm，Class2ModulationGFSK(GaussianFrequencyshiftkeying)ReceiverSensitivity -80dBmat0.1%BERMaxreceiversignal3dBmat0.1%BERsecurityAuthnticatonandencryptionAudio部分 Maxoutputpower(eachchannel)120mWSNR(Signaltonoiseratio)51dBOutputimpedance32(ohm)Channel/channeloutputseparation80dB(f=1KHz)Frequencyresponse20Hz~20KHzSupplypower部分 Supplypower+5VStandbycurrent1mA~3mAWorkingcurrent25mAClosecurrent 10uAWorkingTemperature-10~40Centigrade