Uniden GMR1235-2 manual

Uniden GMR1235-2
  • Number of pages: 2
  • Filetype: PDF


*Range may vary depending on environmental and/or topographical conditions.
• 15 GMRS / 7 FRS Channels
• Long Battery Life
• Up to 12-mile Range*
• Channel Scan
• Channel Monitor
• Battery Strength Meter
• Call Button
• Roger Beep
• Keytone on/off
1 Antenna
2 PTT (Push-To-Talk) Button
3 Channel/Scan up Key
4 Call/lock Key
5 Channel/Scan down Key
6 Speaker
7 Volume up/Monitor Key
8 Power On/Off Key
9 Volume down/Monitor Key
10 Microphone
11 Channel Indicator
12 Receive Indicator
13 Battery Level Indicator
14 Transmit Indicator
Congratulations on your purchase of the
Uniden GMR1235-2 (General Mobile Radio
Service) radio. This lightweight, palm-sized,
radio is a state-of-the-art device, equipped
with many valuable features. Use it at sporting
events, to stay in contact with family and
friends, hiking, skiing, outdoors, or in a
neighborhood watch for vital communication.


Your package contains the 2 GMR1235 radios,
6 AAA alkaline batteries, this reference guide
and 2 belt clips.


The GMR1235-2 radio operates on the
General Mobile Radio Service (GMRS)
frequencies which require a Federal
Communications Commission license to
operate. For licensing information and
application forms, visit the FCC on-line
at:www.fcc.gov/wtb/uls or call the FCC
hotline at 1-800-418-3676. If you have any
questions you can contact the FCC direct at


Your GMR1235-2 radio uses 3 AAA alkaline
batteries for power. We recommend using high
quality alkaline batteries.
To install the batteries:
1) Make sure your radio is OFF.
2) Remove the battery compartment door by
pressing on and sliding the compartment
door, and remove the cover.
3) Install 3 AAA Alkaline batteries into the
battery compartment. Be certain to follow
the + and symbols in the compartment.
Installing the batteries incorrectly will
prevent the unit from operating.
4) Replace the battery compartment door by
sliding the door into place.


In order to get the most out of your new radio, read
this reference guide completely before attempting to
operate the radio.
Turning the Radio On and Adjusting the Volume
1) Press and hold the key to turn the radio ON.
2) To change the volume level press the vol/mon
or key to increase or decrease the volume
3) Press and hold the key to turn the radio OFF.
Adjusting the Sound (Key Beeps)
Your radio emits a beep each time one of the keys
(except for the PTT button and call/lock key) is
pressed. The sound of the Key Beep will increase or
decrease depending on the volume level setting.
To turn OFF this beep:
Press and hold the
call/lock key while turning ON
the radio.
To turn ON this beep:
Turn the radio OFF and ON again without pressing
call/lock key.
Choosing a Channel
Your GMR1235-2 radio has 22 channels you can
use to talk to others. In order to speak to someone,
each of you must be set to the same channel.
To choose a channel:
Press the
ch/scan or key to increase or
decrease the channel number displayed.
Channel Scan Feature
Your GMR1235-2 radio has a channel scan feature
that allows you to easily scan all 22 channels. When
an active channel is detected, the unit pauses on
that channel until the channel is clear. Then after a 2
second delay, the radio continues scanning.
Pressing PTT button while the scan is paused on a
channel will allow you to transmit on that channel.
To turn ON channel scan:
Press and hold either the
ch/scan or key for
3 seconds. The channel number on the display will
rapidly cycle through the channels.
To turn OFF channel scanning:
Press either the
ch/scan or key.
Talking on Your Radio
To talk to others using the radio:
1) Press and hold the
PTT button and speak in a
clear, normal voice about 2-3 inches away from
the microphone.
While you are transmitting, the tx icon is
displayed. To avoid cutting off the first part of
your transmission, pause slightly after pressing
the PTT button before you start talking.
2) When you are finished speaking, release the
PTT button. You can now receive incoming calls.
While receiving, the rx icon is displayed.
Transmitting a Call Alert Tone
Your GMR1235-2 radio is equipped with a call tone
that will be transmitted when the call/lock key is
To transmit the call tone, tap the call/lock key. The
tone will be transmitted.
Auto Squelch Feature
The GMR1235-2 is equipped with an automatic
squelch system which shuts off weak transmissions
and unwanted noise due to terrain conditions or if
you have reached your range limit.
Monitor Mode Feature
Your GMR1235-2 radio allows you to listen for weak
signals on the current channel at the press of a key.
To turn ON monitor mode:
Press and hold the
vol/mon or key.
The rx icon will blink.
To turn OFF monitor mode:
Press the
vol/mon or key. The rx icon will
stop blinking and disappears.
Automatic Power Save Feature
Your GMR1235-2 has a unique circuit designed to
dramatically extend the life of the batteries. If there is
neither a transmission nor an incoming call within 2
seconds, your radio switches to the Power Save mode.
The radio is still able to receive transmissions in this
Press and hold the call/lock key until the "L"
appears. After 1 second, the LCD will return to the
channel display.
To exit Keylock on mode, press and hold call/lock
Note: While in keylock on mode, it will still receive


Channels 15 GMRS / 7 FRS
Operating Frequency UHF 462.5500-
467.7125 MHz
Power Source 3 AAA Alkaline Batteries
Battery Life 20 Hours typical
(5/5/90 duty cycle)
Frequency Chart
Ch. Freq.
Cross Ref. Ch. Freq.
Cross Ref.
1 462.5625 FRS & GMRS 1 12 467.6625 FRS 12
2 462.5875 FRS & GMRS 2 13 467.6875 FRS 13
3 462.6125 FRS & GMRS 3 14 467.7125 FRS 14
4 462.6375 FRS & GMRS 4 15 462.5500 GMRS 11
5 462.6625 FRS & GMRS 5 16 462.5750 GMRS 8
6 462.6875 FRS & GMRS 6 17 462.6000 GMRS 12
7 462.7125 FRS & GMRS 7 18 462.6250 GMRS 9
8 467.5625 FRS 8 19 462.6500 GMRS 13
9 467.5875 FRS 9 20 462.6750 GMRS 10
10 467.6125 FRS 10 21 462.7000 GMRS 14
11 467.6375 FRS 11 22 462.7250 GMRS 15
Roger Beep is a BEEP that is sent automatically at
the end of transmissions.
Roger Beep can be heard through the speaker
when both Roger beep and Key Beep are set to
ON. When Roger beep is set to ON and Key Beep
OFF, Roger Beep will not be heard from the
speaker but it will be transmitted to your party.
When Roger Beep is set to OFF, Roger Beep
neither be heard nor transmitted.
To turn OFF Roger Beep:
Press and hold the
ch/scan key while turning
ON the radio.
To turn ON Roger Beep:
Turn the radio OFF and ON again without pressing
ch/scan key.
Note: If you press either the ch/scan
or key while the unit is pausing on a
channel, scanning will resume.
Uniden GMR1235-2

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Number of questions: 1

Do you have a question about the Uniden GMR1235-2 or do you need help? Ask your question here. Provide a clear and comprehensive description of the issue and your question. The more detail you provide for your issue and question, the easier it will be for other Uniden GMR1235-2 owners to properly answer your question.

Phil Jones, 9-11-2020 20:34:00 No comments

I have a set that will not communicate with each other. I have tried all the channels, it’s like they are not paired, these are brand new, ser#030A 84058105 E, 030A 84058107 E,

I have a set that will not communicate with each other. I have tried all the channels, it’s like they are not paired, these a...
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View the manual for the Uniden GMR1235-2 here, for free. This manual comes under the category Walkie talkies and has been rated by 2 people with an average of a 8.4. This manual is available in the following languages: English. Do you have a question about the Uniden GMR1235-2 or do you need help? Ask your question here

Uniden GMR1235-2 specifications

Brand Uniden
Model GMR1235-2
Product Walkie Talkie
Language English
Filetype PDF
Channels quantity 22 channels
Maximum range 19312 m
Weight & dimensions
Dimensions (WxDxH) 8 x 12 x 10 mm
Weight 312 g
Packaging content
Belt clip
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