Kam KWM1900 BP ACT Body Pack Wireless Mic System w/ Battery Powered Receiver

Receiver
Uses future proof frequencies
UHF 863.00 - 865.00MHz frequency band
Auto frequency scanning
SMT technology
Preset 16 channel PLL system
Frequency stabilisation: < ±30ppm
Dynamic range: > 100dB
Total harmonic distortion: < 0.5%
Frequency response: 40Hz-15KHz ±3dB
Ideal working distance is up to 30 metres
Power consumption: 100mA
Signal to noise ratio: > 100dB
Image & spurious rejection: > 80dB
Border upon channel rejection: > 80dB
Receiving sensitivity: 5dBuV (SINAD=30dB)
De-emphasis: 50us

Bodypack microphone
Transmitter power: 30mA
Modulation type: FM
Maximum deviation: 25KHz
Spurious emission: More than 40dB (with carrier)
Battery voltage: 1.5V x 2
Continuous usage: 6 hours