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Topaz Logo

Maxon GMRS Logo
with Mossy Oak Shadow Grass Camouflage

2 Watt  22 Channel
Portable 2-Way Radio

Maxon GMRS-310 22 Channel 2 Watt UHF GMRS 2-Way Radio
Sorry-This Radio is No Longer Available - Most Parts & Accessories  continue to be OK.

NOTE: GMRS-30 Series Radio require 4 AAA batteries - sold separately.
Includes: • Ear Bud Speaker Mic • Ant •  Clip

Lowest Price Guarantee
Visa, MasterCard, Discover and American Express Accepted
***All Channels Pre-Programmed ***

$ Qty
Maxon GMRS-310
2 Watt   22 Channels
12.5 KHz Ch Spacing

Includes: Antenna • Ear Bud Spkr/Mic • Clip

GMRS-310 Status Display
  1. Radio is sending a call

  2. VOX (hands-free) feature activated

  3. Channel scan is activated

  4. Beep tone is active (and silent mode is off)

  5. Button lock is activated

  6. Battery life / level

  7. Appears when CTCSS sub-code is used

  8. Displays CTCSS sub-code or the current CTCSS frequency in use

  9. Displays the current channel number or frequency

  10. Indicates radio is monitoring channels or receiving a message

  11. Radio is transmitting a message

Camouflage Communications
The Maxon GMRS-310 2-Way Radio is made especially for outdoor activities. Whether you're hunting, fishing, backpacking or camping, this rugged unit is a great way to stay in touch. And, with the stylish Mossy Oak® Shadow Grass® camouflage and silent operation mode, you'll easily blend into your surroundings. Convenient features like the built-in VOX and ear bud speaker microphone give you hands-free communication so you can focus on the task at hand. The GMRS-310 also includes 2 Watts of power for consistent, long-range communication.


  • 2 Watts of GMRS power:
    Plenty of power for up to 5 miles range and good transmission clarity. (5 mile range possible only in direct line-of-site situations. Actual range depends on terrain, obstacles and other conditions and can vary greatly, i.e. 1 to 5 miles).
  • 22 Channels Available:
    22 UHF Channels: 8 GMRS, 7 GMRS / FRS and 7 FRS frequencies.
  • VOX Operation:
    Built-in Hands free VOX (Voice Operated Transmit) saves you from fumbling with the radio's PTT switch or a hand microphone while your trying to concentrate on hunting, shooting or fishing.
  • UHF Applications:
    (See channel chart below)
  • Privacy tones:
    38 Sub-Codes for a total of  836 channel options. Many frequency/code combinations so you can always find a quiet channel.
  • Includes all FRS channels:
    Guarantees access to the thousands of FRS type radios already in service.
  • Camouflage High-Tech Look:
    Mossy Oak Shadow Grass camouflage housing. Helps keep you invisible from your prey.
  • Dual channel scan:
    Monitor another group on a second channel so you won't  miss any action.
  • Beep Sound / Silent operation mode:
    You can set your radio to super quite operation (no beep tones) or normal mode (with beep tones).
  • Ear Bud Speaker Microphone:
     For hand-free operation with in-line PTT & VOX (included w/radio)
  • Durable weather resistant construction
  • Works on 4 AAA batteries (not included)
  • Ideal for hunting & fishing
  • Low Battery Alert
  • Keypad locking
  • "Roger" beep function
  • Backlight function
  • HI / LOW transmit power
  • Optional Battery Charging
  • Synthesized Frequency Tuning
  • One Year Warranty

Got a Question?


 FCC Classification:  General Mobile Radio Service
 FCC Licensing
 FCC license is required for
 GMRS channels
 Operating Channels:  22 Channel capability
 Frequency Range:  462.550 - 467.7125 MHz
 Channel Frequencies:
 Channel 1  462.5625 MHz  Channel 12  467.6625 MHz
 Channel 2  462.5875 MHz  Channel 13  467.6875 MHz
 Channel 3  462.6125 MHz  Channel 14  467.7125 MHz
 Channel 4  462.6375 MHz  Channel 15  462.5500 MHz
 Channel 5  462.6625 MHz  Channel 16  462.5750 MHz
 Channel 6  462.6875 MHz  Channel 17  462.6000 MHz
 Channel 7  462.7125 MHz  Channel 18  462.6250 MHz
 Channel 8  467.5625 MHz  Channel 19  462.6500 MHz
 Channel 9  467.5875 MHz  Channel 20  462.6750 MHz
 Channel 10  467.6125 MHz  Channel 21  462.7000 MHz
 Channel 11  467.6375 MHz  Channel 22  462.7250 MHz
Note: Channels 1 thru 14 are shared with FRS radios.
Power: 1-7 Ch. (2 W), 8-14 Ch. (0.5 W), 15-22 Ch. (2 W)

Maxon's General Mobile Radio Service radios are an ideal choice for applications of all kinds. Durable and rugged, these heavy-duty UHF handhelds are surprisingly lightweight and compact. Two models offer multi-channel operation and a variety of compatible optional accessories - you can truly customize these radios to fit your active lifestyle! All Maxon GMRS radios are compatible with each other... everyone can join in the fun of two-way communication!


 Optional Accessories - Charger / Speaker Mic
Model # Description Price

 ACC-413  Wall Charger ( for re-charging AAA Ni-Cads, etc.)


 ACC-708  Ear Bud Speaker Microphone with in-line PTT / VOX


General Specifications
  Maxon GMRS-310
Frequency Range GMRS & FRS UHF Channels (see above chart)
Dimensions (H x W x D) 6-3/8" x 2-1/8" x 1-5/16"
Weight (with batteries) 4.9 oz. (139 g)
Channels 22 (see above chart)
Operating Temperature -4° F to + 140° F  (-20° C to + 60° C)
Power Source

4 AAA Alkaline Batteries / 4 AAA Ni-Cad Batteries

Battery 6V DC @ 1200 mA (alkaline)
Battery Life

Up to 20 hours (alkaline)




CPU Controlled PLL synthesizer


CPU Controlled double conversion, super-heterodyne system

Intermediate Frequency

1st 21.7 MHz  / 2nd 450 KHz

Frequency Stability 0.0005%
TX / RX Switching


Antenna Impedance

50 Ohms

Audio Frequency

1 KHz

Main Signal Input 1 mV

AF 1 kHz / 1.5 KHz Dev.

Audio Output Impedance

8 Ohm, non-inductive

Receiver Specifications
  Maxon GMRS-310
Sensitivity 0.22 µV
Audio Output 300 mW
Frequency Response 450 Hz - 2500 Hz
Image Rejection 50 dB
Adjacent Channel Rejection

50 dB

Inter Modulation Distortion 50 dB
Conducted Rx Spurious -60 dBm
Antenna Impedance 50 Ohms
Transmitter Specifications
  Maxon GMRS-310
RF Power Output.

GMRS - 2.0 W / FRS - .5 W

Max. Deviation ± 2.5 KHz
Audio Response 450 Hz - 2500 Hz
Frequency Error ± 200 Hz
Current Drain 800 mA
Spurious Emission 53 dBc
Antenna Impedance 50 Ohms

Range will vary, depending on terrain and environment of use.
Mossy Oak and Shadow Grass are registered tradenames of Haas Outdoors, Inc. Photos and Shadow Grass pattern reproduced with the permission of Haas Outdoors, Inc.


Topaz logo covering Maxon and Legacy products
Topaz3 offers to the original end user a One (1) Year Limited Warranty on the Maxon GMRS-310 radio.

Note: Features and specifications subject to change without notice

Solution Graphics

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Terms & Conditions
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Copyright ©2000-2015  Multec Communications / - All rights reserved. Do not duplicate without the express written consent of Multec Communications.
Shipping & Mail only - Note: returns require a RA# - see RETURNS  before shipping
Address...                      Note: warranty repairs only - see REPAIRS  before shipping

Multec Communications
319 Centre Ave.  #166
Rockland, MA  U.S.A.   02370-2613
781 294-4992 main
781 527-5004 fax (include return email w/fax)

Main 781 294-4992
- calling hours 11-5 EST  Monday-Friday for questions and tech support only...."Out of Area", "Restricted" and "Private Caller" calls may be blocked to avoid phone spam. Note: The main line is often very busy. Please place orders online using our secure e-commerce system. Save time...order online!

If you have questions about ordering please see  ordering information page  first. Phone orders slow processing time, increase inaccuracies and are not recommended.

Email questions or comments at - Email

Note: Not responsible for typographical, photographic or pricing errors.
         All pricing and specifications subject to change without notice.