| The GM660 Features |
| Signalling |
| The fully compliant MPT signalling package includes MPT1343, Regionet 43 and ANN modes of operation. Radios are configurable for up to 4 personalities including Talkgroup Select and Conventional signalling. |
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| 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. |
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| User Information |
| A 14-character alphanumeric display contains icons for programmed features and operational awareness. This mobile radio provides separate distinctive tones plus name decode for many incoming calls. Alert and feedback tones can be setup in a variety of volume levels and sounds. |
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| Ease of Use |
| One touch dialling, simple menus and an alphanumeric phonebook/contact list make the full power of the GM660 simple and intuitive to use. |
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| Data Messaging |
| Includes a built-in pager with the capability of receiving data messages. You can send data messages from the contact list or manually entered alphanumeric text when using the optional enhanced keypad microphone. |
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| 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. |
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| 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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| DTMF |
| Provided that your radio has access to a phone system and you are utilising an enhanced keypad microphone, you can make phone calls from your radio. Alternatively you can use DTMF tones in a number of ways, for example to steer an answering machine. |
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| Voice Recorder |
| A paperless notepad allowing you to store and retrieve messages. |
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| Voice Messager |
| A voice prompt for callers to leave a message to be stored in the radio. |
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