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When I saw the headline I assumed it'd be about the P25 unencrypted metadata leakage issue (specifically Unit Link ID) described in https://www.mattblaze.org/papers/p25sec.pdf - that indeed carries a lot further than BLE

Thanks for the link, that was extremely interesting to read

In the UK we cant listen into radio communications, we can still identify it using the same techniques that is used to work out encrypted internet communication, namely the traffic patterns of the radio devices.

In more than 100 countries, Tetra (Trans European Trunked Radio) is used.

This was published a couple of months ago.

https://www.tetraburst.com/

https://github.com/MidnightBlueLabs/TETRA_burst

http://rageuniversity.com/PRISONESCAPE/JAMMING%20RADIO%20GSM...

I’m looking forward to your defcon talk next year then