Trouble shooting guide
Troubles
No Electrical Source
The operating time becomes short, even the
battery is fully charged.
Not able to communicate with the
transceivers of the same group
The voice of another group can be heard.
Other radios can not receive the TX signals
or receive signals in a low volume
Noise is always heard
CHANNEL AND FREQUENCIES
Frequency
Channel
Max Output Power
(MHz)
1
446.00625
0.5W
2
446.01875
0.5W
3
446.03125
0.5W
4
446.04375
0.5W
5
446.05625
0.5W
6
446.06875
0.5W
7
446.08125
0.5W
8
446.09375
0.5W
9
446.10625
0.5W
10
446.11875
0.5W
11
446.13125
0.5W
12
446.14375
0.5W
13
446.15625
0.5W
14
446.16875
0.5W
15
446.18125
0.5W
16
446.19375
0.5W
05
Solution
•The battery has been exhausted.
Replace or recharge the battery.
•The battery is installed incorrectly.
Remove it and install again.
Replace the battery.
▪Confirm the QT/DQT is the same.
▪The distance is outside of range.
Change all QT/DQT of the group.
▪Switch the volume knob to the highest level
▪The microphone may be damaged,
send it to the local dealer for check.
▪ The distance is outside of range.
▪ Turn on the radio in nearer range and try
again
CTCSS/DCS
114.8
114.8
114.8
114.8
114.8
114.8
114.8
114.8
D026N
D026N
D026N
D026N
D026N
D026N
D026N
D026N
Specification
Frequency Range
Rated Voltage
Memory Channel
Frequency Sensi vity
Antenna Impendance
Opera on Temperature Range
RF power
Modula on type
Modula on distor on
Adjacent channel power
Audio response
Max FR.Devia on
Spurious Radia on
Current
Modula on Noise
Intermedia on sensi vity
Receiving sensi vity
Adjacent channel selec vity
Occupied Bandwidth
Current
Reference Frequency
Inter-modula on
Spurious
Audio response
Audio distor on
Audio power
Note: Specification will be revised without notice due to technical improvement. Thank you.
PMR446
3.7V DC
16
±0.5ppm
50Ω
-30℃~+60℃
≤0.5W
16kΦF3E
<5%
≥65dB
+6.5 ~ -14dB
≤±5KHz
≤7.5μW
≤1200mA
<-40dB
8-12mv
0.2μV
65dB
≤16KHz
Standby 55mA, working 150mA
26.000MHz
≥60dB
≥55dB
+7~-12.5dB
<5%
500mW
06