I have had this issue for a long time and it seems to have gotten worse. I have a 1Gbit fiber connection. The ISP router is set to no be router and instead my main X55 i router. I have another x55 ups

Deco supports disabling 2.4GHz and 5GHz separately under the Main/Guest/IOT networks. As for separate SSIDs over 2.4GHz and 5GHz, it might not be completed via a single network, But you could set the