npub1d4…7kpws on Nostr: Fun Fact: Your WiFi access point needs to know what country it's in because of law ...

Fun Fact: Your WiFi access point needs to know what country it's in because of law about specific radio powers and channels and other functionality. It can be super-complicated! For example, DFS detects radar pulses and switches frequency for safety.
https://git.kernel.org/pub/scm/linux/kernel/git/wens/wireless-regdb.git/tree/db.txt?id=HEAD