Actually, there are three settings in Professional when in AI Mesh Mode (and 4, I believe when not):
2.4GHz
5Ghz
6Ghz
and when not in Mesh there is the additional 5-2 GHz
Not sure what you're saying re Wifi 7 but, it's not a Wifi 7 (6GHz) issue. This is a Wifi 5Ghz issue. Even when I had 2...