User's Manual

Shenzhen Friendcom Technology Development Co., Ltd.
4
2 Technical Specifications
General Specification
Working Frequency
450MHz～490MHz
Channel Spacing 6.25KHz/12.5KHz Programmable
Modulation Type 4FSK,FM
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
Receiver Specification