UM-3 wireless tour guide system  (Mono)

TRANSMITTER(UM-3T)

Operating frequency :500-980MHz

Frequency stability:0.005%

Transmitter power output:10mw(H),5mw(L)

AF gain adjusting-20dB to +35dB

Frequency response:50Hz-15KHz ±3dB

Power supply :2 * AA batteries ,standing time :about 8 hours

Special charging hole

with ACT(IR)function

RECEIVER(UM-3R)

Operating frequency :500-980MHz

AF output voltage adjusting knob

Frequency response:50Hz-15KHz ±3dB

AF output change: earphone/line output

Noise locked +pilot tone locked

Power supply :2 * AA batteries ,standing time :about 8 hours   

Special charging hole

with ACT(IR)function

distance :60-100meters

UM-3 32/64 channels tour guide system wireless microphone