The culprit is my security camera (Lorex LW2702). When I power it off I get maximum throughput on the N66U.
I setup the 2.4 GHz setting on the N66U to mirror what I had on the N56U, but alas interference is still causing problems.
BTW, you can't mirror the settings exactly on the N66U. For...
Thanks! That did the trick! :)
My laptop doesn't have Bluetooth but I disabled my security camera (wireless), cordless phone and Bluetooth connectivity on my cell phone and now I get near-full throughput (speedtest.net).
I don't understand why the N56U to laptop which was set to the same...
I have both the N56U and N66U, and over the past few days the N66U has been driving me crazy!
My original N56U was located one floor above my living room (in the office), and the throughput I used to get was good (~5 MBytes/s copying a file from my laptop in the living room to my NAS connected...