@Decorer247 Given the link speed (961/1021) showed by Windows, I believe obtaining 400Mbps is a good result. When you obtain 400Mbps via "openspeedtest-server", are both your devices (macbook and pc)...

@rhbmcse With wireless backhaul, your throughput is affected by the obstacles and the distance between the satellite Deco and the main Deco, as well as by other usage of the wireless bands. Adding a...

@okamoto Do you mean you have an existing Deco mesh and you are changing your Internet subscription? What was your previous setup? What did NTT provide, do you have an NTT modem? If NTT did not...

@okamoto Did you attempt following the steps proposed by the app?

@PedroCavaleiro I do not believe the P9 prioritizes WiFi over PLC. The P9 will attempt to simultaneously use PLC and the two wifi bands. If you see it switching, it probably means that all media are...

@MartinX Did you try the other Ethernet port on the main P9? Do you have the same issue if you promote another P9 as Main Deco?