to use full power on 6GHz, the router needs to upload its GPS location to a central server to get the available frequencies. Worse than 5GHz in my opinion
There is an exemption for indoor low-power APs, but the manufacturer has to prove that the housing will not survive outdoor weather (usually rain). They have to deliberately make it not-rainproof.
It has been approved in November: https://www.rcrwireless.com/20221103/network-infrastructure/...
AP firmware is 100% closed-source, vendor-signed blobs these days.