@Wayne-TP Totally unacceptable answer. If TP-Link are hinting that there's a risk when installed above 2 metres that should be included in the product advertising. As it is the documentation clearly...

@ImtiazAli sorry for the delay in responding. It was my fault, I'd not installed a firmware update on two nodes, once that was done the network started behaving as I wanted it to.

I'm trying to set-up my network and have two nodes that are linked to the Main node despite a stronger node being available. Under Connection Preference I can iddentif the preferred node and the...