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Motorola GM338 UHF VHF Mobile Base Station Radio Refurbishment Car Two-Way Radio


Motorola GM338 UHF VHF Mobile Base Station Radio Refurbishment Car Two-Way Radio

$399.00 $229.00

Reliability and robustness
Easy of use
Excellent Audio Quality
Data capable
Advanced Signalling Capability
PC Programmable

SKU: 190034 Categories: ,


Reliability and robustness

The GM338 like all Motorola two-way radios, has passed the unique Motorola Accelerated Life Test which simulates 5 years hard use in real-life conditions. Designed for use in extreme operating conditions, the GM338 exceeds the demanding requirements set out in US Military Standards and IP54 specification.

Easy of use
The intuitive menu-driven user interface and large, clearly labelled controls enable quick and easy access to the GM338’s many features. User-friendliness is further enhanced through the use of swappable, programmable buttons. This means that those features most valued by your workforce can be programmed to specific buttons labelled with instantly recognised legends.

Excellent Audio Quality
The Motorola X-Pand™ audio enhancement system helps to ensure that voice communications are heard first time, every time, even in noisy working environments

Data capable
In addition to supporting a range of value-add accessories, the GM338’s rear I/O connector provides an interface for third-party terminals, enabling seamless data communications on the move.

The GM338 supports the Motorola PROIS Specification which means that it’s already impressive feature set may be further enhanced via a range of Motorola, and third-party, plug-in option boards. Examples of the option boards available include; Voice storage for message recording, storage and play-back, encryption for enhanced security, and SmarTrunk II for low-cost trunking.

With it’s large, 14 character alphanumeric display, the GM338 provides the features you staff need to work smarter including; Menu-driven operation (in conjunction with menu navigation keys), Signal Strength Indicator, Address Book, Clock, Reminder Alarm, and Multi-lingual support.

Advanced Signalling Capability

The GM338 supports a comprehensive suite of signalling schemes; Private LineTM (CTCSS), Digital Private LineTM, MDC1200, QuickCall II, and DTMF.

PC Programmable

Enables your Motorola Authorised Dealer to customise your radio’s feature set to meet your own specific requirements.

Channel Capacity 128
Typical RF Output
Low Power UHF and VHF  1-25 W
High Power UHF 25-40 W
High Power VHF 25-45 W
Frequency 136-174 MHz; 403-470 MHz; 450-527Mhz
Power Supply 13.8 Vdc (11 Vdc – 16.6 Vdc) negative vehicle ground
Channel Spacing 12.5/20/25KHz
Frequency Stability +/-2.5ppm
Dimensions (HxWxL) 25-45W: 186mm x 179mm x 59mm (add 9mm for Volume knob)
Weight 25-45W: 1490g
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
Frequency 136-174 MHz;403-470 MH
Channel Spacing 12.5 kHz/ 20/25 kHz
Frequency Stability ± 0.5 ppm
Sensitivity (12db Sinad) VHF  :

0.35uV (12.5KHz)

0.3uV (25KHz)

Intermodulation VHF:                UHF

65dB (12.5KHz)       60dB (12.5KHz)

75dB (25KHz)         70dB (25KHz)

Adjacent Channel Selectivity 65dB (12.5KHz)        60dB (12.5KHz)

75dB (25KHz)         70dB (25KHz)

Spurious Rejection 75dB                 70dB
Rated Audio 4W internal

13W external

Audio Distortion @ Rated Audio 3% (typical)
Conducted Spurious Emission 57 dBm < 1GHz

-47dBM > 1GHz

Modulation Limiting +/-2.5KHz (12.5KHz)
+/-4KHz (20KHz)
+/-5KHz (25KHz)
FM Hum and Noise -40 dB (12.5KHz)   -35 dB (12.5KHz)      -40 dB (12.5KHz)

-45 dB (25KHz)     -40 dB (25KHz)       -40 dB (25KHz)

Conducted / Radiated Emission 1-25W    36 dBm < 1GHz             -30 dBm > 1GHz

25-40/45W    -26 dBm

Adjacent Channel Power -60 dB (12.5KHz)

-70 dB (25KHz)

Audio Response +1, -3 dB
Audio Distortion @ 1000Hz, 60% Rated Max. Deviation 3% typical

GM338 Packing including:

1 x Refurbishment GM338 Mobile Base Radio

1 x Microphone PMMN4007A

1 x Power Cable

1 x Bracket

1 x Fitting Screw set

Additional information

Weight 0.28 kg
Dimensions 300 × 200 × 80 mm
Frequency Range

VHF 136-174 MHz, UHF 403-470 MHz, UHF 450-527 MHz


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