Discounted GM3188 Motorola 25W Small Mobile Radios


Discounted GM3188 Motorola 25W Small Mobile Radios


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Quantity Discount (%) Price
1 $211.00
2 - 4 0.52 % $209.90
5 - 9 1.47 % $207.90
10+ 5.69 % $199.00
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Mobile Radio Base station high quality Dual Band 25W car Walkie Talkie GM3188 for Motorola CM140 talkie walkie 20km range

GM3188 Motorola  Two Way Radio

New Commercial Series Mobiles ( which includes the GM3188 ) are small in size and budget but built to last. The series comprises four models across 3 frequencies.

The entry-levelGM3188 model in the series – a compact 8 channel radio


– Die-cast metal chassis
– Meet EU Directives (CE, R&TTE, Automotive Directive)
– All radios benefit from  rigorous build quality – passing the US MIL 810 C/D/E and IP54 requirements, as well as its own 5 year accelerated life testing programme.


– One of the smallest mobiles available
– H 44mm x W 169mm x D 118mm
– Weighting approximately 1kg

Ease of use

Multi-function programmable buttons
Clearly arranged buttons

Copy Rx-to-Tx button – transfers RX parameters to the TX parameters

Installation Versatility

The Commercial Series mobile radios( which includes the GM3188 )are truly DIN mountable and offer a number of other mounting options.

To protect against theft, a removable slide mount allows regular, quick and easy removal of the radio when not in use. For added security, the keylock mount guards against unauthorised removal. A desktop tray with integrated speaker is also available for use in an office or control room.


  1. PL/DPL Codes
  2. Monitor
  3. High/Low Transmit Power settings
  4. Repeater Talk around
  5. Tight/Normal Squelch
  6. Priority Scan
  7. Nuisance Channel Delete
  8. Busy Channel Lockout
  9. Time-out-timer (15 to 180 seconds, or infinite)
  10. MDC Signalling
  11. PTT-ID encode
  12. Selectiveradioinhibit decode
  13. Emergency
  14. RadioCheck decode
  15. Quick-Call ll signaling
  16. Call Alert decode
  17. Selective Call decode
  18. DTMF Signalling
  19. PTT-ID encode
General Specifications VHF UHF
Frequency 136-162MHz





Channel Capacity 8
Power Output 1-25W






Power Supply 13.8 Vdc (11 Vdc – 16.8 Vdc) negative vehicle ground
Channel Spacing 12.5/20/25KHz
Frequency Stability ( -30°C, + 60°C, +25°C Ref) +/-2.5ppm
Dimensions ( H * W * L ) 44mm x 169mm x 118mm
Weight 1.01 Kg
Operating temperature – 30 to + 60°C
Sealing Passes rain and dust testing to IP54
Shock and Vibration Meets MIL-STD 810-C,D&E and TIA/EIA 603
Receiver VHF UHF
Sensitivity (12db Sinad) 0.35uV (12.5KHz)

0.3uV (25KHz)

Intermodulation 65dB (12.5KHz)

75dB (25KHz)

60dB (12.5KHz

70dB (25KHz)

Adjacent Channel Selectivity 65dB (12.5KHz)

75dB (25KHz)

60dB (12.5KHz)

70dB (25KHz)

Spurious Rejection 75dB 70dB
Rated Audio ( extended audio with 4 ohm speaker) 4W internal

13W external

Audio Distortion @ Rated Audio 3% typical
Hum and Noise -40 dB (12.5KHz)

-45 dB (25KHz

-35 dB (12.5KHz)

-40 dB (25KHz)

Audio Response (300 to 3000Hz) +1, -3dB
Conducted Spurious Emission -57 dBm < 1GHz’

-47dBM > 1GH’z

Transmitter VHF UHF
Modulation Limiting +/-2.5KHz (12.5KHz)

+/-4KHz (20KHz)

+/-5KHz (25KHz)

FM Hum & Noise -40 dB (12.5KHz)

-45 dB (25KHz)

-35 dB (12.5KHz)

-40 dB (25KHz)

Conducted / Radiated Power -36 dBm < 1GHz

-30 dBm > 1GHz

Adjacent Channel Power -60 dB (12.5KHz)

-70 dB (25KHz

Audio Response (300 to 3000Hz) +1, -3dB
Audio Distortion @ 1000Hz, 60% Rated Max. Deviation 3% typical


Package Included :

Frequency Range:

136-162 MHz, 146-174 MHz, 403-440 MHz, 438-470 MHz, 465-495 MHz


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