User Instructions

7
4. operation declaration
Operational steps:
1) Properly connect the power supply and antenna according to the actual mode
of use
2) Switch on, select the preset working frequency and transmit power (high / low)
values through the top, bottom, left, and right buttons. This equipment can
preset 16 frequency points. The intercom pass-through frequency must be
consistent with the frequency selected for forwarding by this relay station.
5. RF performance
general
Frequency band
400MHz-470MHz
Channel spacing
12.5kHz
Modulation
4FSK
Number of channels
16
Display
OLED display screen
Frequency error
≤5ppm
Lithium battery
≥ 10AH ( optional)
Voltage
DC:12V
Operation temperature
-30℃～+60℃
Polymer lithium
battery