FEATURES
UHF 700-870MHz frequency range
PLL Synthesized, pre-set 4 selectable channels
One transmitter can be operated with multiple receivers
LCD display shows the channel , frequency and battery life
Locked protection setting mode
Up to 300 feet(100m) line-of-sight operating range
Powered supplied by 2pcs alkaline batteries
Designed for tour guide, simultaneous interpretation applications

SPECIFICATION
Frequency Range: 700-870MHz
Numbers Of Channels: 4
Frequency Response: 80Hz-15KHz±3dB
Receive Sensitivity: -110dBm (sinad ≥30dB) 
Signal/Noise Ratio: >95dB
Total Harmonic Distortion: <3% at 1KHz
RF Power: 10mW
Power Supply: 3V (2x1.5V AA Battery) 
Operating range: 150m