Host system introduction
*4 channels. Fixed frequency.
*4 controllers can used simultaneously.
*Front panel ：each channel has a red RF lamp to indicate the signal.
*Back panel ：2 balanced output and 1 mixed unbalanced output,2 pull rod antennas.
*Microphone power consumption is 60mA. With 9V*1 battery power supply, it can work constantly for 5 hours.
*Mircrophone is plastic body material.
*Working distance：30-50meter.
*It's suitable for various kinds of meeting occasion.
Receiver parameter
Oscillation Mode：Quartz crystal
Modulation Mode：FM
Frequency Range：VHF 190~280MHz
Frequency Stability：±0.001%
S/N Ratio：>90dB
T.H.D：<0.5%@1KHz
Sensitivity：1.2/UV@S/N=12dB
Power Supply：DC 12~17V
Audio Output： Independent：0-400mV Mixed：0-300mV
Transmitter parameter
Power Supply：DC 9V
Power consumption：30mA
Frequency range：VHF 190MHz-280MHz
Frequency stability：±0.001%
Max. deviation Range：±25KHz
S/N Ratio：>90dB
F/N Ratio：>80dB
Dynamic range：≥100dB
Type：Condenser
Polar pattern：Ultra-Cardioid
Frequency Response：40Hz-16KHz
Sensitivity：-45±2dB@1KHz
