The modern cellular network is a marvel of technological advancement that we often take for granted now. With 5G service it’s easy to do plenty of things on-the-go that would have been diffic…
Not in general, but on the specific open bands that ham radio operates on yes. This was originally a regulation to ensure these bands would stay open for amateur use and not be hogged by commercial providers, but it feels a bit antiquated these days.
Depends, but yes if you are in the US it is illegal to encrypt data send that way.
Is it illegal to encrypt radio in the USA?
Not in general, but on the specific open bands that ham radio operates on yes. This was originally a regulation to ensure these bands would stay open for amateur use and not be hogged by commercial providers, but it feels a bit antiquated these days.
Only amateur radio, because it’s only designed for experimentation, not for day to day use. It’s the same in Australia.