User
Manual
of
DM
‐
5R
Two
‐
way
Radio
Main technical indexes
General specifications:
Frequency range
VHF: 136-174MHz /UHF:400-480MHz (Dual Band)
Storage channel
128 groups
Operating voltage
DC7.4 V (rechargeable lithium battery)
Frequency stability
±
1.5ppm
Operating temperature
-30
℃
—+50
℃
Operation mode
same-frequency simple or different-frequency simplex
Antenna impedance
50
Ω
Battery capacity
2000mAh
Volume
110×58×32mm (excluding antenna)
Transmitting:
Output power
VHF: 5W/2W; UHF: 4W/2W
Modulation (narrowband)
Analog: 11 K¢F3E; Digital: 4FSK
Maximum frequency deviation
≤
2.5KHz
FSK allowable error rate
≤
3%
Spurious power
≤
7.5uW
Adjacent channel power
≤
-65dB/
≤
-60dB
Signal to noise ratio
≥
-45dB
CTCSS/DCS frequency deviation
0.4±0.1KHz
Modulation sensitivity
8—12mV
Transmitting current
≤
1.5A
Receiving:
Analog sensitivity
-122dBm (12dB SINAD)
Digital sensitivity
-120dBm(BER
≤
5%)
Audio power
1W
Audio distortion
<10%
Intermodulation
≥
62dB
Adjacent channel selectivity
≥
65dB
Receiving current
≤
380mA
All specifications are subject to change without prior notice or taking any responsibility.