I don't know the answer.
Going sideways, at this point in time, there is poor general device compatibility with 6Ghz, as it is a mandatory requirement to use WPA3 in the 6Ghz band - and WPA3 breaks many devices.
You could try an experiment, and see if you can get WPA3 running in your environment now. If not ... then 6Ghz might not be on the horizon for a while for you.