5
1.2.4 Parameter of wireless meeting system receiver unit
Items
Parameter
Audio channel
Transmission method
UHF Wireless (one way)
Audio channel
5 (1 chairman,4 delegate)
Carrier frequency band
610.00MHz~659.75MHz
740.00MHz ~ 790.00MHz
Modulation method
FM
Receiving sensitivity
-100dBM
Audio gain
≤20
Frequency response
50Hz-15KHz
S/N Ratio
＞
85dB
T.H.D.
＜
0.8%
Data control
channel
Transmission method
Wireless (two-way)
Data channel
16
Frequency Range
422.4MHz ~ 438.4MHz
Modulation method
FSK
Receiving sensitivity
-100dBM
Transmission consumption
≤6dBm
Communication rate
100KBPS
Frequency deviation
＜
0.002
System
Power supply
DC12~15V ≤1A
Signal covering range
Radius 60 meters
Consumption Rating
7W
Operating temperature range -10-40 degree
Dimensions
485×355×85mm
N.W
7kg
