The population of client devices that can use 802.11ax "6e" in bands above 5850 MHz is very tiny so far, it will take years to even become a thing. If people wa

The population of client devices that can use 802.11ax "6e" in bands above 5850 MHz is very tiny so far, it will take years to even become a thing. If people want their wifi AP to be backwards compatible with any client devices made before 2022 they'll need to run the center of the channel at a frequency 802.11n and later (but not >6GHz capable) devices can see and use.