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Rugged Radios GMR25 - User Manual

Rugged Radios GMR25
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GMR25
GMR25 IP67
WATER
RESISTANT
25-WATT GMRS 2-WAY RADIO
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
25-WATT GMRS 2-WAY RADIO
IP67
WATER
RESISTANT
GMR25 IP67
WATER
RESISTANT
25-WATT GMRS 2-WAY RADIO
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
25-WATT GMRS 2-WAY RADIO
IP67
WATER
RESISTANT
GMR25 IP67
WATER
RESISTANT
25-WATT GMRS 2-WAY RADIO
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
25-WATT GMRS 2-WAY RADIO
IP67
WATER
RESISTANT
GMR25 IP67
WATER
RESISTANT
25-WATT GMRS 2-WAY RADIO
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
25-WATT GMRS 2-WAY RADIO
IP67
WATER
RESISTANT
GMR25 IP67
WATER
RESISTANT
25-WATT GMRS 2-WAY RADIO
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
Listen-Only Off Road Race Channels
+ any frequency between
136-174MHz and 400-480MHz
Talk to other GMRS Radios
Access Repeaters Nationwide
10-12 Mile Range
Depending on terrain
and line of sight.
25-WATT GMRS 2-WAY RADIO
IP67
WATER
RESISTANT
GMR25 Rugged Radios.indd 1 3/15/19 2:29 PM

Other manuals for Rugged Radios GMR25

Questions and Answers

  • R
    Robert JonesAug 15, 2025
    What to do if no sound comes from Rugged Radios Two-Way Radio speaker?
    • C
      caldwellmatthewAug 16, 2025
      If you're not getting any sound from your Rugged Radios Two-Way Radio speaker, there are a few potential causes: * The squelch might be muted. Try decreasing the squelch level. * Tone or CTCSS/DCS squelch could be active. Turn off CTCSS or DCS squelch. * Check if the 3.5mm external speaker jack is occupied.
  • M
    Mallory BurkeAug 18, 2025
    What to do if PTT key is pressed but transmission does not occur on Rugged Radios Two-Way Radio?
    • J
      jose91Aug 18, 2025
      If you press the PTT key on your Rugged Radios Two-Way Radio and no transmission occurs, consider these potential causes: 1. Poor microphone connection: Ensure the microphone is properly connected. 2. Poor antenna connection: Verify the antenna is correctly connected. 3. Poor Sound: Check the cable connection.
  • A
    andreaschneiderAug 21, 2025
    What to do if key and dial do not function on Rugged Radios Two-Way Radio?
    • M
      michael06Aug 21, 2025
      If the key and dial on your Rugged Radios Two-Way Radio aren't working, it might be because the key-lock function is activated. Try canceling the key-lock function.
  • J
    James HooperAug 25, 2025
    How to fix Rugged Radios Two-Way Radio if rotating dial will not change memory channel?
    • H
      hernandezmatthewAug 25, 2025
      If the rotating dial on your Rugged Radios Two-Way Radio won't change the memory channel, it could be due to these reasons: * The transceiver is in CALL mode. Press the VFO or memory mode. * The radio is transmitting.
  • L
    Lisa PadillaAug 27, 2025
    What to do if fuse is blown on Rugged Radios Two-Way Radio?
    • R
      Richard PatelAug 27, 2025
      Check and solve problem resulting in blown fuse and replace fuse with new fuse.
  • J
    Joseph CardenasAug 30, 2025
    Why nothing appears on Rugged Radios Two-Way Radio display when power is on?
    • D
      Dorothy BurnsAug 30, 2025
      If your Rugged Radios Two-Way Radio has power but nothing appears on the display, it's possible that the + and - polarities of the power connection are reversed. To fix this, connect the red lead to the plus terminal and the black lead to the minus terminal of the DC power supply.
  • R
    Ryan JohnsonSep 2, 2025
    What to do if there is no sound from my Rugged Radios GMR25 speaker?
    • E
      Emily KingSep 2, 2025
      If you're not getting any sound from your Rugged Radios Radio speaker, here are a couple of things to check: * Ensure the squelch isn't muted by decreasing the squelch level. * Verify that CTCSS or DCS squelch is turned off, if active.
  • C
    Courtney McbrideSep 5, 2025
    What to do if the fuse is blown in my Rugged Radios Radio?
    • J
      Jessica LeeSep 5, 2025
      If the fuse in your Rugged Radios Radio has blown, identify and fix the problem that caused it to blow, and then replace the fuse with a new one.
  • C
    Christopher WilliamsSep 8, 2025
    How to unlock the keys and dial on my Rugged Radios Radio?
    • T
      Tracy HowellSep 8, 2025
      If the keys and dial on your Rugged Radios Radio aren't working, the key-lock function may be activated. Cancel the key-lock function to restore their functionality.
  • S
    Sarah WilliamsSep 12, 2025
    What to do if my Rugged Radios Radio power is on, but nothing appears on the display?
    • B
      Benjamin RodriguezSep 12, 2025
      If your Rugged Radios Radio powers on but the display remains blank, check the power connection polarities. Ensure the red lead is connected to the plus terminal and the black lead to the minus terminal of the DC power supply.

Summary

Important Safety and Read First Notice

FCC Regulatory Compliance Information

User Safety and Package Contents

Safety Precautions

Guidelines to ensure safe operation and prevent damage to the radio and user.

Package Contents List

Itemized list of all components included with the GMR25 radio unit.

GMR25 Key Features Overview

Initial Installation Procedures

Mobile Installation and Mounting

Steps for selecting an optimal location and mounting the radio bracket in a vehicle.

DC Power Cable Connection Guide

Fixed Station Power Setup

Fuse Replacement and Maintenance

Antenna System Setup and Connection

Antenna Installation Recommendations

Steps and considerations for mounting the antenna for best radio range and performance.

Connecting External Accessories

External Speaker Connection Details

Details on connecting an external speaker, impedance requirements, and jack type.

Microphone Connection and Mounting

Instructions for connecting the hand microphone and mounting its hanger.

Getting to Know Your GMR25

Front Panel Controls and Functions

Explanation of the function of each button and dial on the radio's front panel.

Display Screen and Icon Guide

Rear Panel Ports Identification

Handheld Microphone Key Functions

Transmitting with the GMR25

Radio Menu System and Settings

Squelch Sensitivity Adjustment

How to adjust the squelch sensitivity to filter out background noise.

Backlight Configuration Options

Options for controlling the display's backlight duration and behavior.

Scan Skip Feature Settings

Sub Screen Display Customization

Selecting what information is displayed in the secondary screen area.

Listen-Only Mode Operation

Activating Listen-Only mode for Memory and VFL frequencies.

Displaying Radio Information

Viewing firmware version and other radio identification details.

Rugged Radios Repeater Channel Usage

Troubleshooting Common Radio Issues

GMR25 Technical Specifications

General Radio Specifications

Key parameters including frequency range, temperature, and voltage.

Receiver Performance Specifications

Performance metrics for the radio's receiver sensitivity, modulation, and audio.

Transmitter Performance Specifications

Rugged Radios GMR25 Specifications

General IconGeneral
TypeHandheld GMRS Radio
NOAA Weather ScanYes
Frequency RangeGMRS
Channels22 channels
Water ResistanceIP67

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