SPECIFICATIONS：
1. Frequency Range：UHF 690-860MHz
2. Modulation mode: broadband FM
3. adjustable range：50MHz
4.  Channel：4x100
5. frequency stabilization：±0.005%
6.  dynamic range：100dB
7. MAX deviation range：±45KHz
8. Frequency respond：80Hz-18KHz(±3dB)
9. S/N Ratio：＞105dB
10. T.H.D：≤0.5%
11. operating temperature ：-10℃ ~ +40℃
12.Operating distance:80m  
 
1. UHF690-860MHz band to avoid interference frequency
2. Automatic Infrared frequency, so that the transmitter and receiver automatically synchronize Transceivers
3. Using the PLL frequency synthesizer stabilization system, providing 200 channels
4. Using the latest high-frequency filter, to maximize the signal band interference filter
5. The use of double-conversion frequency circuit design, with high sensitivity
6. Multiple squelch control circuit, refused to open the machine outside interference squelch system
7. Specially designed voice compression expansion circuit, which greatly improved signal to noise ratio
8. The unique circuit design, dynamic wide frequency response, low noise