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I think it's more about the technical difficulties associated with effective key management. All law enforcement and emergency services in my area use P25 trunked radio for comms. Encryption is available on their radios. They don't use it.


> I think it's more about the technical difficulties associated with effective key management.

TETRA, the German digital police/ems/... network, uses SIM cards for that part. Pretty easy, if you ask me.




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