I have found on many laptops with an Intel chipset AX201 that windows 10/11 does NOT support UNI3 channels. If I test the same Laptop with Ubuntu (then the UNI3 channels are recognized and supported).
I have tested this with Windows 10 (20h2 / 21h2) and latest windows 11 (188.8.131.52/184.108.40.206) in the Netherlands (REGION)
With this I proved that the AX201 hardware does support it. The problem is not solved even in the latest Windows software version (220.127.116.11)
I cannot connect to a wireless network if the UNI3 channels are not supported in Windows. So I can NOT provide logs (Intel iWFT tool) I would like to get in direct contact with Intel Wi-Fi developers.
With there existing testing process I can't convince the Intel Customer Support and i have shared a wireshark capture !
CASE 05604856 (started 9th september 2022)
In the Netherlands, the UNI3 channels were released a long time ago....
UNI3 (5 GHz : 149, 153, 157, 161 & 165)