mastodon.radio is one of the many independent Mastodon servers you can use to participate in the fediverse.
Mastodon.Radio is a space for the Amateur (Ham) Radio community, anyone interested in Shortwave Listening (SWL), etc. Come join us and talk radio, technology, and more!

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ftg

@whitequark
Nokia used to push 900 - 1000MHz through long pin headers in the TMN-1 NMT900 mobile phone.
And a few other places, but that's the highest frequency I have seen.
Others are <500MHz.