8PC Wireless Microphone System
System specification.
Receiver
Frequency range: 610-690 MHz (other bands can be customized) Receiving mode: Secondary superheterodyne frequency conversion
Antenna impedance: 50 0
Maximum frequency deviation: 75 kHz
De-emphasis: 12 us. Frequency stability: $10.002%
Receiving sensitivity: <-105dBm
Signal to noise ratio: 279 db.
T.H.D.: <5%
Frequency response: 50 hz-16 kHz
Max output level: 0.95V Net noise blockage: 210dB
Power consumption: 5 W
Power: external power adaptor
Receive distance: 50M
Transmitter
RF frequency: 610-690 MHz (other bands can be customized) Transmit mode: wireless micropower
Antenna impedance: 500
Modulation mode: FM
Maximum frequency deviation: 75 kHz
Pre-emphasis: 12 us
Input impedance: 600 02
Frequency stability: 10 ppm. RF power: 10 mW
Fake signal radiation: lower than60 dB
Signal to noise ratio: >70 db
Frequency response: 50 hz-16 khz T.H.D.: 55%
Power consumption: about 120 mA Power: 1.5V AA * 2