@Miked11 Check this article from TP-Link and see if it has answers to your questions: General questions about Ethernet Backhaul feature on your Deco

@Gold12 Check Signal Source for that Satellite Deco M5, when it is connected to Deco mesh. You can do that in Deco app. Example from my Deco M5: If you see red or yellow bars instead of blue, it...

@Incal You can run simple test: turn off all Satellite Deco units you have, leave just Main Deco running. If your SME inverters can work with that, it would mean their code does not understand WiFi...

@UncleEddy What is the exact difference between a X20 and a M9? I read it's both mesh and with wireless functionality. Deco M9 is superior when Decos communicate with each other by WiFi. It is...

@UncleEddy Follow up question: is it too late to return M9 set? It is good mesh (when it works), I have it and I will keep mine. Yet, you are not using best M9 feature, which is dedicated wireless...

@UncleEddy I absolutely did not expect that. I wonder if you have defective Deco set. Under normal circumstances, Deco should run just fine with 5GHz only, and this is how I run my Deco mesh with M9...