... modules,chip, 2.4G Digital Wireless Audio Module2.4ghz digital wireless audio module, has the following characteristics:1, Transmission distance: ... headphones, wireless microphone (microphone).6, specifications1,64 K digital audio sampling rate, 16bit samples to quantify levels2, ... provide the model which with 125 selectable frequencies)8,-85dBm receive sensitivity, 45dB of adjacent channel rejection ...