JP-81U UHF Wireless microphone

UHF wireless microphones system of double channel System performance parametersRF radiation frequency characteristics The carrier frequency range: UHF700-860MHz(or in accordance with the applicable national rules) Modulation pattern: FM Frequency stability: ± 0.005% Receiver RF frequency characteristics Receiving mode: double receiving channel Sensitivity: in offset degrees, the input is 40KHz 6dB, 80dB > S/R AF audio features Audio frequency response: really 3dB isolator 18KHz - with rolled-off Filter frequency circuit The signal-to-noise ratio: > 100dB 1KHz (A) - Comprehensive T.H.D: < 0.5% @ 1KHz Output voltage and balanced: balanced Voltage supply: DC15V 12V Hand type/waist hanging transmitters RF frequency characteristics Output power: 10mW False: > 60dB Lord as harmonic attached harmonic Tone: handheld with a single point of professional moving coil type collar with a single point of capacitive sound type Batteries : DC1.5 V * 2(AA3).