User's Manual
Shenzhen Friendcom Technology Development Co., Ltd.
3
2 Technical Specifications
General Specification
Working Frequency
450MHz~490MHz
Channel Spacing 6.25KHz/12.5KHz Programmable
Modulation Type FM, GMSK
Number of Channels 16
Nominal Working Voltage 12V DC
Extreme Working Voltage
9.5 V~16V DC
Storage Temperature
-40℃~+80℃
Operating Temperature
-30℃~+65℃
Current
Consumption
Standby
<100mA
Transmit 5 watts RF Power
<1.5A
Transmit 1 watt RF Power
<1A
TX to RX Attack Time
<5ms
RX to TX attack time
<5ms
Frequency Error
<2.5ppm
Antenna Connector BNC 50Ω
External interface DB15(optional male interface)
Transmitter Specification
RF Power
6.25KHz Channel Spacing 1W/2W Programmable
12.5KHz Channel Spacing 1W/2W/3W/4W/5W Programmable
Frequency
Deviation
6.25KHz Channel Spacing
<1.25KHz
12.5KHz Channel Spacing
<2.5KHz
Subsonic 0.5KHz
Adjacent
Channel
Power
6.25KHz Channel Spacing
<-60dBc
12.5KHz Channel Spacing
<-70dBc
Conducted Spurious Emission
<1GHz,<-36dBm
>1GHz,<-30dBm
Modulation
Sensitivity
Voice 8~15mV
Data 80~130mV
TX SNR
6.25KHz Channel Spacing
>30dB
12.5KHz Channel Spacing
>40dB