Radio hardware is not that expensive actually. The tech behind it is very basic and has existed for more than a century now. Hells, you can build an AM radio wi

Radio hardware is not that expensive actually. The tech behind it is very basic and has existed for more than a century now. Hells, you can build an AM radio with just a bunch of cable and an amplifier [1]. Of course, these new radios are a bit more complicated than that, but basic SoCs are also very inexpensive nowadays, and when you get to economies of scale, things get even cheaper. It was not a long time ago, low power radios were even children's toys [1]: https://www.wikihow.com/Create-a-Simple-AM-Radio https://www.wikihow.com/Create-a-Simple-AM-Radio