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What radio does this talk permit tone come from?

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ZacharyF

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This tone is from a Motorola radio (at least to my knowledge), but I'm unsure which one, or if it even is one.

I've uploaded the tone here:

Curious if anyone does know which radio this comes from. Let me know anyone does!
 

nikronzo

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yea that's MDC1200 with the preamble during pretime.

there is no talk permit tone that sounds like that since it is a data burst that is transmitted.

any MDC capable moto radio is capable of that
 

Binger511

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It could be from just about any Motorola radio from the past 30 years or even from other manufacturers, honestly!
Correct me if I'm wrong but I believe only M has capability for a preamble. Haven't seen it in any Icom or KW, at least yet.
 

KG4INW

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Correct me if I'm wrong but I believe only M has capability for a preamble. Haven't seen it in any Icom or KW, at least yet.
That may very well be the case. My non Motorola MDC experience is limited and nowadays I don't work on any systems using MDC at all.
 
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Hytera has preamble bit sync in HDC1200.
We worked with a sheriff's office that was still using MDC1200 for unit ID, the portables sent it post TX, mobiles pre. The thought was an officer on a portable might be more likely to need to have no delay in getting his/her message out in case cover was needed.
 
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