Awesome. Thanks for the info. I was looking at a set of cheap handlhelds so that's perfect. It will be a couple of months before I can start spending some time on just learning the radio half, so don't hurry on diagrams on my part, but that would be incredibly useful.
Yes and no. Currently, since it is so alpha, and nobody is running servers, you would need to run both sides, a client and a server, so 2 radios. This also 2 computers. One on each side. The server runs unattended 24/7(or whatever you want to run of course). And a client. Any low powered device that can run python should work for both. I'm running a pi zero 2 just fine.
But... You also need a way to connect to the radios for ptt. You could use a hardware tnc device on each, or what I'm doing is running a software modem on each side. This has a serial connection to my handhelds alon with the sound cable(CPU modem software does the modulation). Your zap was tested on my house using two dirt cheap baofeng radios and 2 digirig sound cards. https://digirig.net/product/digirig-mobile/?gad_source=1&gad_campaignid=12829405880&gclid=CjwKCAjwy7HEBhBJEiwA5hQNoqP7xUrFFoNZLuHZIxQgcvbdutmYllCUH8ouws3acWQBl_r4siZnTRoCVZgQAvD_BwE
You don't technically need the digirigs, you could use vox mode on the radio and not have the modem send a ptt signal, but it's less reliable in my tests.
I'll try and draw up some diagrams and add to the repo.
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