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GM640

A popular radio for professionals who need to stay in contact, the GM640 is push-button simple to use allowing the mobile workforce to keep their mind on the job in hand.

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Never miss an incoming radio call even when away from the vehicle. The radio can be configured to sound the vehicle's horn or activate the lights when a call is received. Voice Storage provides a paperless notepad and a voicemail function. Alternatively calls can be forwarded to another user when the vehicle is empty. Dynamic Regrouping allows radio talkgroups and preferences to be changed remotely, keeping radio and vehicle fleets at work. The radio also automatically mutes the in-vehicle entertainment system allowing calls to be sent and received without interruption. A Time-out timer manages individual users' time talking for more efficient use of the channel.

The radio functionality can be expanded with third-party options boards.

The GM640 is supported by a range of Motorola Original Accessories including microphones, speakers, remote push-to-talk switches and in-vehicle and desktop mounting kits for an enhanced user experience.


The GM640 Features

  • Signalling - MPT
  • Channels - 54
  • Option Board - Yes
  • Keypad - Limited
  • Display - LED Indicators
  • Emergency Signalling - Yes
  • MilSpec - 810 C,D,E

Signalling
The fully compliant MPT signalling package includes MPT1343, Regionet 43 and ANN modes of operation. Radios are configurable for up to 2 personalities including Talkgroup Select or Conventional signalling.


X-Pand™ Voice Compression and Low Level Expansion Crisp, clear and strong audio quality in virtually any noisy environment. Low level expansion allows further improvements in audio quality by reducing noise usually heard during pauses in conversation.
Dynamic Regrouping
Provides over-the-air reconfiguration of the radio.
Missed Call Alerts
The radio can store an incoming call and prompt the user to return the call they receive.
Voice Recorder
A paperless notepad allowing you to store and retrieve messages.
Voice Messager
A voice prompt for callers to leave a message to be stored in the radio.
Option Board Expandability
You can expand the capabilities of GM640 by adding an option board.
Wideband and Programmable Channel Spacing Provides flexibility in deployment and stocking.
Time-out Timer Limits the amount of time a user has to continuously transmit on a channel. This allows for more efficient use of the channel.
External Alarm Activates the vehicle horn and/or lights on receipt of an incoming call, so you won't miss a call even when away from your vehicle.
Car Radio Mute Automatically mutes your in-car audio entertainment system to allow calls to be heard and sent without interference.

 

The GM640 is supplied, as standard, with;
  • Mobile Radio
  • Selected Accessories
  • User Guide
  • One Year Standard Manufactures Warranty
General Specification
Frequency Range3 VHF
136-174 MHz
UHF
403-470 MHz
Frequency Stability (-30°C to +60°C, 25°C Ref.) ±2.5 PPM ±2 PPM
Channel Capacity 54
Channel Spacing 12.5/20/25 kHz
Power Output 1-25W
Power Supply 13.2Vdc (10.8 - 15.6 Vdc) negative vehicle ground
Dimensions: L x W x H (mm) 177 x 176 x 56 (add 8mm for Volume Knob)
Weight (g) 1400
Operating Temperature -30 to 60°C
Sealing Passes rain testing to IP54
Shock and Vibration Meets MIL-STD 810-C,D,& E and TIA/EIA 603
Dust Meets MIL-STD 810-C,D,& E and TIA/EIA 603
Humidity Meets MIL-STD 810-C,D,& E and TIA/EIA 603
Transmitter
Frequency Range3 VHF and UHF
Modulation Limiting ±2.5 kHz @ 12.5 kHz
±4.0 kHz @ 20 kHz
±5.0 kHz @ 25 kHz
FM Hum and Noise
(at 10% distortion)
-40 dB @ 12.5 kHz
-45 dB @ 20/25 kHz
Conducted/Radiate Emissions
-36 dBm < 1 GHz
-30 dBm > 1 GHz
Adjacent Channel Power -60 dB @ 12.5
-70 dB @ 20/25 kHz
Audio Response (300 to 3000Hz) +1, -3dB
Audio Distortion @ 1000 Hz, 60% Rated Maximum Deviation 3% Typical
Receiver
Frequency Range3 VHF UHF
Sensitivity (12dBSINAD) (ETS) 0.30µV (0.22 µV Typical)
Intermodulation (ETS) >65 dB
Adjacent Channel Selectivity (ETS) 80dB @ 25 kHz
75dB @ 20 kHz
65dB @ 12.5 kHz
75 dB @ 25 kHz
70 dB @ 20 kHz
65 dB @ 12.5 kHz
Spurious Rejection (ETS) 80 dB @ 20/25 kHz
75 dB @ 12.5 kHz
75 dB @ 20/25 kHz
70 dB @ 12.5 kHz
Rated Audio (ETS) 3W Internal
7.5W & 13W External
Audio Distortion @ Rated Audio 3% Typical
Hum and Noise -40 dB @ 12.5 kHz
-45 dB @ 20/25 kHz
Audio Response (300 to 3000Hz) +1, -3dB
Conducted Spurious Emission per FCC Part 15 -57 dBm <1 GHz
-47 dBm >1 GHz
Portable Military Standards 810 C,D,E
Applicable MIL-STD 810C 810D 810E
M = Methods, P = Proceedures
M P M P M P
Low Pressure 500.1 1 500.2 2 500.3 2
High Temp. 501.1 1,2 501.2 1,2 501.3 1,2
Low Temp. 502.1 2 502.2 1,2 502.3 1,2
Temp. Shock 503.1 1 503.2 1 503.3 1
Solar Radiation 505.1 1 505.2 1 505.3 1
Rain 506.1 2 506.2 2 506.3 2
Humidity 507.1 2 507.2 2,3 507.3 3
Salt Fog 509.1 1 509.2 1 509.3 1
Dust 510.1 1 510.2 1 510.3 1
Vibration 514.2 8,10 514.3 1 514.4 1
Shock 516.2 1,2,5 516.3 1 516.4 1
Notes
  • Availability subject to individual country's law and regulations.
  • 45 Channels per personality in Conventional Mode
  • All specifications listed are typical.
  • Radios meet applicable regulatory requirements.
  • Conforms to EC directive 89/336/EEC (Excludes Low Band) Complies with ETS 300 113

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