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DMR on FRS/GMRS frequencies

TxDuster

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I have found 3M Peltor WS headsets in use at some facilities I’m affiliated with. The manual for these say they are capable of FM and DMR all on the 22 frequencies that are FRS frequencies (according to the manual). The power is very low (200mw) I think. How are these able to run DMR on these frequencies? Is it because of the low power? Is there a HT that can communicate with these legally?
 

mmckenna

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DMR is not currently allowed on GMRS or FRS in the USA.

Which headset model, specifically, are you talking about? Peltor makes a lot of products. Some of their radios are programmable, so it's possible someone programmed your headsets with FRS channels.
They also make headsets that are sold in other countries that have different rules regarding use of these frequencies.
 

mmckenna

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From the webpage: https://www.3m.com/3M/en_US/p/d/b10263723/
  • Capable of being programmed to 70 unique two-way radio channels using analog and/or DMR digital modulation

There is an FRS version of that headset: LiteCom FRS.

I suspect that you either have the LiteCom FRS which should not be programmed for DMR, as it is not legal in the USA, or you have the regular model that someone programmed for the FRS channels.

Either way, the FCC has not authorized DMR on FRS or GMRS.
 

TxDuster

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That’s what I understand as well. Them manual is in multiple languages. It could be that the DMR is only for GB or other countries. Attached is the page with channels pre programmed… according to the manual. I have not played with it yet. It also has the DMR logo on the box. 3M is so big I suspect they either have authorization to do it or it’s disabled in US.
 

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RaleighGuy

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It tells you on the top of the page, albeit not clearly, that it is for North America (1-22) and Great Britain (23-44)
 
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