@TimBNL This may be the best speed you could get from Deco M9 Plus. I have gigabit Internet and a set of Deco M9 Plus, I never get speeds faster than 500Mbps when connected to Satellite Deco. Next...

@isoneedacoffee I have pair of Deco M9 Plus that run on firmware 1.5.1: Main Deco and Satellite Deco wirelessly connected to Main. My Deco mesh runs in Access Point mode. I have not had any issues...

@Swiftfire As I said, there is a bug in Deco speed test code, which manifests itself when Deco runs in Access Point mode.

@MeshHead Two bars should be good enough. I needed three bars for testing purposes, to figure best Deco performance. I moved Satellite closer to Main to run tests. In my daily Deco mesh usage, how I...

@SDU >My main deco is in the living room i cant use the cable. This is just for troubleshooting purposes. If it happens again, bring Satellite Deco to where PC is and connect them both by Ethernet...

@SDU You did a lot, but: 1) Did you try to run Windows network troubleshooter and if yes, have you checked its "View detailed information" section to see perhaps something there can hint at cause of...