@Blobbie With WiFi5 the best you should expect, in real life scenario, is about 400-500Mbps. To have steady consistent WiFi speeds above that, you will need devices that support WiFi6 and router or...

@Boriy If you run Deco mesh in Router mode, you may need to manually increase the value of QoS parameter. See Using QoS feature of Deco Scroll down to Part 2 of that document, where it says "setup...

@MarcoTrevisan You should be able to connect Deco P9 master to the Ethernet port of the range extender, and it will work. But just in case, get Deco P9s from the place with return policy.

@Dips_p Yes, it is that simple: just connect switch by Ethernet cable to one of Deco Ethernet ports, does not matter which one.

@Dips_p I have that same switch in my house, except it is V5.0, an older one with square corners. It works just fine with Deco mesh units I have. Newer V9 should be working without issues, too.

@Andy_the_key >Their [Vodafone] solution was to send me a 3rd x20 , I told them not to as I don't think it will make a difference as then I will have 3. In your situation, if they offer 3rd x20 for...