functional features:
◎4 channel uhf wireless system, each channel 50 optional frequency;
◎implementation 5 sets of a total of 20 units at the same time, do not interfere with each other;
◎bandwidth 20hz~20khz perfect sound, high speed 32 bit dsp float processing;
◎frequency of uhf740-790mhz;
◎wireless communication distance up to 60 ~ 100 m;
◎microphone has a 3.8 inch lcd display,
◎microphone button with red led backlight lights, accurate positioning of the microphone state;
◎strong anti interference technology of mobile phone;
◎adopts automatic frequency technology of ir infrared;
technical parameters：
oscillation mode:pll
rf stability:±0.005%(-10～50℃)
band width:60mhz
sensitivity:<-97dbm for 30db s/n ratio
(s/n)：>105db
(t.h.d.)：<0.5% @ 1khz
overall frequency response:25hz-18khz±3db
harmonic radiation:＜-55dbc
aerial input:bnc(50ω)
transmitter output power:30mw
pickup:cardioid electret
transmitter batteries:1.5v*2
transmitter battery life6-10h
receiver power:12v/800ma
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