During receiving, the voice
is weak or intermittent
You cannot communicate
withother group members
You hear unknown voices
or noise
You are unable to hear
anyone because of too
much noise and hiss
The radio keeps transmitting
You cannot use the keys
VOX may be turned on or the headset is not
installed in place
Turn off the VOX function. Check that
the headphones are in place
The battery voltage maybe low
The volume level may be low
The speaker maybe blocked
The antenna maybe loose or maybe installed
incorrectly
The frequency or signaling type maybe inconsistent
with that of other members
You may be too far away from other members
You may be interrupted by radios using the same
frequency
The radio in analog mode maybe set with no
signaling
You may be too far away from other members
The keypad may not work temporarily Restart the radio
It may be the result of external disturbance (such as
electromagnetic interference)
You may be in an unfavorable position. For example,
your communication may be blocked by high
buildings or blocked in an underground area
Move towards other members
Stay away from equipment that may
cause interference
Move to an open and flat area, restart
the radio, and try again
Change the frequency, or adjust the
squelch level
Request your dealer to set signaling for
the current channel to avoid interference
Verify that your TX/RX frequency and
signaling type are correct
Move towards other members
Recharge or replace the battery
Increase the volume
Clean the surface of the speaker
Turnoff the radio, and then remove and
reattach the antenna
Phenomena
You cannot turn on the radio
The battery may be installed improperly
The battery power may run out
The battery may suffer from poor contact
caused by dirty or damaged battery contacts
Remove and reattach the battery
Recharge or replace the battery
Clean the battery contacts or replace
the battery
Analysis Solution
NOTE:
Frequency Allocation (PMR446 16CH):
All specifications may be modified without prior notice or liability. Thank you
NOTE:
If the above solutions cannot fix your problems, or you may have some other queries,
please contact your dealer for more technical support.
Receive Sensitivity
Adjacent Channel Selectivity
Inter Modulation and Rejection
Conducted Spurious Emission
Rated Audio Power Output
Receive current
Rated Audio Distortion
0.25μV (12dB SINAD)
≥55dB@12.5KHz
≥55dB@12.5KHz
≤-57dB@12.5KHz
0.75W @8ohms
≤350mA
≤5%
CH Frequency CTCSS Power
1 446.00625
114.8
114.8
114.8
114.8
114.8
114.8
114.8
114.8
Low
Low
Low
Low
Low
Low
Low
2 446.01875
3 446.03125
4 446.04375
5 446.05625
6 446.06875
7 446.08125
8 446.09375 Low
9
446.10625 D026N
D026N
D026N
D026N
D026N
D026N
D026N
D026N
Low
10
446.11875
Low
11
446.13125
Low
12 446.14375 Low
13
446.15625
Low
14
446.16875
Low
Low
Low
15 446.18125
16
446.19375
11 12
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