@Alexandre. you were right. It was the cable. There was a joint within the cable which I was not aware of. They had to do that to extend the cable. I changed the connectors and its all good now. I am...

Thanks for the feedback again. I will check the end points of the ethernet cable. Quick question - If the issue is ethernet cable, how come I am getting the same speed (90-92) when I disconnect the...

Thanks for all the feedback. I will try to check the ethernet cable ends on both the router and Archer and switch them out. Problem is, if it is actually the cables, that might a difficult task to...

I did the test. Placed the main deco at the 3rd location and connected to the ethernet. Turned off the other decos. Getting the same speed as the 3rd deco 90-92 Mbps. Does this mean its the LAN cable...

@Alexandre. Yes, you are right. I am getting the same speed when it is not connected to ethernet from the same location. 85-90 Mbps. It does connect to the other decos via wifi mesh.

In Access Point mode.