No wifi out of the box besides known networkcard (intel ax201)

https://www.lenovo.com/us/en/p/laptops/thinkpad/thinkpadt/thinkpad-t14-amd-g1/22tpt14t4a2

mentions Realtek 8852AE Wi-Fi 6 802.11AX (2 x 2).
If that is indeed the Wi-Fi chip used in your machine, there is an AUR package for its drivers:


edit: What does lspci have to say to that device?

$ lspci -vvv | sed -n "/^03:00.0/,/^$/p"
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