@Caullla It is not possible to separate Deco Main Network to two SSIDs, one for 2.4GHz and another for 5GHz. For Deco X50, you can configure preferred band connection for each device in Deco app. The...

@PepperBrooks In Deco Router mode, Guest and Main networks are isolated from each other. Device connected to Guest network can't access device connected to Main network. Any device wired to Deco...

@Decodaze Glad to know you have your Deco mesh working now. For PCs with WiFi dongles not connecting to the nearest Deco, there is a solution if you run Deco mesh that only consists of Deco M5 and M9...

@NetanelC Looking at your network diagram, I have a question: do you run Deco mesh in Access Point mode? If you have Deco 1 and Deco 2 connected to the gateway by Ethernet cables, that is only going...

NTGm wrote @Alexandre. I looked at the article that explains how to use the preferred connection approach and it specifically states the devices the article applies to with my model (Deco M9+)...

@relayman I haven't seen something exactly like what you describe. Main Deco requires good and stable Ethernet connection. If Main Deco loses connection to ISP modem/router, different issues may...