... 2.4G Digital Wireless Audio Module2.4ghz digital wireless audio module, has the following characteristics:1, Transmission distance: Can transfer stereo audio data for ... , easy to avoid interference frequency: the product work in the 2.4GHz of the ISM (ie industrial, scientific, medical) ... multi-frequency and frequency-hopping; In order to avoid the interference in the 2.4GHz band and the effects of ...