FEATURES
Digital FSK modulation; 16-bit / 16KHz samplin rate
UHF 780-830MHz, Pre-set 1000 groups ID codes
Two-way communication; support  tour-guide and intercom function
10 sets of systems can be used at the same time without interference
OLED display shows the channel , frequency and battery life
Unilateral ear hanging type headset with microphone function
Powered by high capacity lithium-ion battery, playtime is more than 12hrs
Up to 900 feet(300m) line-of-sight operating range
Designed for tourist, hotel, traning, simultaneous interpretation applications

SPECIFICATION
Frequency Range: 600-952MHz
Demodulation Mode: FSK
Audio Sample Rate: 16Bit/16KHz
ID Group: 1000 
Frequency Response: 80Hz-18KHz±3dB
Receive Sensitivity: -120dBm (sinad ≥30dB) 
Signal/Noise Ratio: >90dB
Total Harmonic Distortion: <3% at 1KHz
RF Power: 10mW
Power Supply: lithium-ion battery
Operating range: 300m
Dimensions： 47*90*14mm
Weight： 40g