I believe you are already at max. setting as 17dB is indeed the max for Europe. Since you're not getting a region setting drop-down selection menu this means you're running latest generation gear...

While we're still at it and looking for a moment back to the KISS principle as I outlined in page 1 of the current thread, could someone explain to me why following a much simpler approach would...

There are several settings which have indeed been left out of the (EU) model. Having said that though I can't think of any setting which could have such a detrimental effect on achieving and...

Fiddled around w/ settings, let it renegotiate for about an hour, yet still a no-go...Last attempt will be moving client CPE to very close proximity to AP CPE...

I'll give it another go but I don't have high hopes...

I can think of the KISS principle ( https://en.wikipedia.org/wiki/KISS_principle). Why don't you just hook it up via an ethernet cable in AP router mode, enable the DHCP server and create a separate...