digital 2.4 G wireless communication, host can be assigned a maximum of 256 units. ,it Can according to system requirements expaDetailed Product Description digital 2.4 G wireless communication, host can be assigned a maximum of 256 units. ,it Can according to system requirements expa1. Operating frequency:700-900MH 2. CPU control with LCD display make operation easy and performance outstanding 3. Adopt PLL combined technology, and the transmitter power is adjustable, they can be used several sets at the same time without interference. 4. Multi-channel and high frequency, fully eliminate the interference signal 5. With audio compressing-expanding technology, reduce the noises and increase the dynamic range 6. The function restrain the howling, can effectively reduce the howling 7. Receiver with multi-level high-frequency amplification, with high sensitivity 8. Multi-level noise supervisory circuit, can the TONE-LOCKED system, so that it have a good anti-jamming features 9. Excellent chips and quality components used to make this machine excellent sound quality 10. 100 meters in the spacious place, 50 meters for the ideal using range