Any Deco model should be capable of connecting to your current setup as a mesh, (per my understanding that is your goal, vs an Access Point, which is what you describe with a different SSID). They...

@peekeesh Did you verify the IP passed through, and the DECO is receiving the WAN IP vs private IP? If not reboot the AT&T gateway, pause 20 - 30 seconds, then power cycle the DECO. Hopefully with a...

Just found out that certain ASUS router WiFi performance are severely affected by these type of Uninterruptible Power Supplies. Are Decos also sensitive to noise from these power supplies? I ordered...

@fallingrock Check the WPA setting. If it is WPA3 Personal or WPA2 Personal, try WPA2/WPA3.

@greyhair Unfortunately the DECOs seem to be geared towards a simplified setup with minimal tinkering required, but also minimal configurability. One of the newer Archer models probably continue to...

@David-TP EasyMesh on a DECO, this is awesome.