@David-TP I did as you suggested, removed the four E4s and tried again. I got some strangely anomalous results. Connecting directly to the modem with a cat5 cable - 154Mbps Connecting to the X68 with...

@David-TP, I tried changing the QOS to 1000/1000. I'm still getting around 130Mbps on wifi from the x68. Is there anything else I can try? Thanks.

@David-TP Thanks for the reply. I tried a new cable and different port. Same result. My ISP has now sorted out my internet connection and I am now getting over 740Mbps, it's even spiked to 790 a...

I have my Deco x68 plugged into my modem with a cat5 cable. If I connect to my modem's wifi directly and run speedtest.net I get 334Mbps. If I connect to the Deco wifi I get 92Mbps speed. Both tests...

@ryg thanks for the reply and the explanation. It all makes sense. I wish I'd seen your reply earlier. I checked out some other websites and finally found the Deco x68 unit and ordered one. The M4 is...

@Alexandre. I'm now more confused though. I tried connecting the Deco to the modem's wifi, but it would not connect (thinking it might connect to the 5G). So, I'm wondering how speeds of 1.2Gbps are...