@Tony Hi, Tony, Thank you for your help. My bad. My hardware is version 1.20. There's no option for that in the pop-up menu - it's either 1 or 2. As far as I can tell, Archer AX20(US)_V1.20_200326 is...

The WiFi on the 2.4GHz band of our AX20 router has recently started dropping out completely. It's a complete loss of signal for anywhere from 10-30 seconds -- over -90dBM signal strength. This...