UHF wireless microphones U-2989

microphone U-2989H UHF680-860MHz 100 channels Infrared auto channel checking each piece contains 100 channels pile-up using can be 8 pcs microphone mixed used for anyone of the receiver Maximum 100sets using together in same place Carrier frequency range:UHF520 920MHz Stability:±10PPM Ambient temperature:-10 +50 degree Max deviation:±45KHz Dynamic range: 100dB S/N ratio: >105dB T.H.D: <0.5% Squelch: Tone control and noise lock dual squelch Frquency response:80Hz 18KHz Operating range: 120m