Update to my last post.  I've discovered (on ET8 with latest firmware 3.0.0.4.388_23759-gfd1c030) that if I have encryption set to "WPA2/WPA3 Personal" my AIMesh node does not broadcast 6GHz.  My router works fine on all frequencies in all cases.  I'...

I also updated to the long-awaited stock 388 firmware on my ET8 pair.  I am using AP Mode with ethernet backhaul (with the toggle set in AIMesh System Settings) and at first thought this issue was fixed with the new firmware.  However I am still seei...