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https://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio https://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio It's getting outdated though. In Sweden there's
by johansch 9y ago
https://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio https://en.wikipedia.org/wiki/Terrestrial_Trunked_Radio
It's getting outdated though. In Sweden there's talk about a nation-wide LTE network specifically for first responders. Cheaper and better, I presume.