@Emanuel9 Check the following TP-Link article: General questions about Ethernet Backhaul feature on your Deco. It says under Q&A, Q4: "The Deco Ethernet backhaul feature is based on the standard IEEE...

@nesbocaj You can, but in my house Deco provides strong 2.4GHz signal everywhere, so I separated 5GHz and 2.4GHz in Deco and that was enough. I pointed all devices which need 2.4GHz to Guest network:

@Alfred.T Let's simplify your network layout first. Turn off both Satellite Deco X20. You'll be left with just Main Deco, and I assume it is running in router mode. Main Deco plays the role of...

@MeshedUP >If this has something to do with the 2.5Ghz, then a FW update is needed so that we can have dedicated SSIDs 2.5ghz and 5ghz That should already be possible according to TP-Link FAQ...

@Emanuel9 In theory, it should work without need for a switch. At least this is how it works with my ISP router and Deco M9/M5 mesh in AP mode. Please double check in Deco app that your Deco mesh...

@ConcernedUser See this forum topic conversation for M9: Deco M9 Plus power adapter barrel plug size. I suggest you rephrase your question same way and post it on that forum, but for S4. When you get...