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.

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 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.

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Give your guests The experience they expect! With Motorola DP4000 Series... Digital two-way portable radios with unlimited features for communication.

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