Mst-6400 True Diversity one drag four skin color headset

Receiver technical parameters:
Carrier band: UHF640~900MHz (optional)
Number of channels: four channels
Modulation mode: FM
Sensitivity: input 6dBv, S/N>60Db
Band width: 30MHz
Offset: ±45KHz
Comprehensive S/N ratio: >105dB
Comprehensive T.H.D: < 0.7% @ 1 KHZ
Comprehensive frequency response: 45Hz~18KHZ ±3dB
Power supply: DC 12-16 v 10W
Output socket: XLR parallel and 6.3 non parallel socket
working distance :(in open environment) about 100-150 meters
Technical parameters:
Carrier band: UHF640~900MHz (optional)
Oscillation mode: PLL phase locking frequency synthesis
Harmonic emission: < -65dbm
Offset: ±45KHz
Frequency response: 45Hz~18KHZ ±3dB
Band width: 120MHz
Voice head: capacitive
RF power output: 15MW
Battery: AA * 2
Current consumption :<90mA
Continuous working time :8 hours