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Instructions have been moved to https://github.com/francoism90/asus-router. :)

Thank you for your comments. I'm not sure if I did it right or not, but it seems like the router doesn't support sl commands?
But the
wl country listfrom your previous post works for some reason:And surprisingly, when set to E0, AU or JP, both my iPhone and AX210 can find the 6GHz band, but they all have very weak 6GHz transmission power (-48dBm @ 2 meters), only the US location code will give a reasonable transmission power (-36dB, @ 2 meters), so I'm very sad there.
And yes, I would definitely want to change to a Mediatek wireless card, but unfortunately my AX210 chip is embedded in my computer's motherboard, so it's impossible to upgrade unless I buy one of those PCI-E Wi-Fi adapters.
I saw that you mentioned about AX2xx wireless card will likely not work because of the LAR, have you tried the AX4xx family, like AX411? or the BE200? Did Intel remove LAR on those wireless cards? Because I think chances are, the next ASUS motherboard I get will come with an Intel wireless card, unfortunately.
I like Win11, so I have no problem there :)
Lastly, do you know what difference does the
country_revdo? My router support 3 country_rev code for the US, but I see no difference changing those numbers:Thank you!