I saw on X90 WiFi advanced settings that only 2.4ghz and 5ghz_1 bands are enabled and the 5ghz_2 is unchecked. I presume the 5ghz_2 is dedicated to wireless backhaul? Is my understanding correct?

Does Deco X10-4G Have a 3G/4G Failover Fearure? Planning on getting one.

Sorry if this is a duplicate question, I can't find other questions like this one. I have an existing Deco M5 Mesh, but I want to add a Deco E4 for a guest room. I do know this should work based on th