@Jopie152 Thank you for running tests and sharing screenshots. These tests and screenshots show that you have properly wired together Deco mesh. It does not have many clients. All necessary basic...

@Razschwe 432Mbps link speed is too low even for WiFi5. Do you have any other device, such as smartphone, to use to check link speed on it? That would help to narrow the issue to either laptop or...

@topgazza1 Configure Main Deco. Bring your Satellite Decos for setup to the same room where Main Deco is, so that they have good WiFi link to each other. After Satellite Decos successful setup,...

@Jopie152 Thanks. These are the right screenshots. Please run tests as I described, when you have time. Make sure Deco mesh runs in Access Point mode: in that mode, all bandwidth throttling settings...

@topgazza1 This TP-Link FAQ document will help: General questions about Ethernet Backhaul feature on your Deco

@Jopie152 Thanks for screenshots, but these are not the right screenshots. I asked for screenshots with your Deco nodes, in Show List view and in Show Map view. Also, you can add screenshots as...