@14paavang Are you sure about Deco M5 dimensions? I have Deco M5, it is just 2-3 cm tall and about 12-13 cm wide, or 1 inch tall and 5 inches wide in imperial system. I don't think you could find any...

@Clements42 When Satellite Deco uses Ethernet backhaul, it'll report it as Ethernet. Example: Your Satellite Deco does not use Ethernet for backhaul, if it keeps reporting WiFi. Start with this FAQ:...

@Giddorah Just a suggestion: what if you power off both managed switches, so that you only have two unmanaged switches up. After that: 1. Will Secondary Deco still use Ethernet backhaul? 2. Will...

@Jim27 Well, as I said, you are out of luck with software Connection Preference feature, with what Decos you have. If it is possible, you could try Ethernet cable or Ethernet over coaxial (over TV...

@Jim27 Unfortunately, not one of your Deco X20 supports Connection Preference feature. They have different firmware versions, because they came with different hardware version. I am guessing, you...

@Jim27 Connection Preference feature will become visible in Deco app only when all Deco units in Deco mesh support it. You have X50 and X20s, it appears either one of these models or both do not...