Asus RT-N66U Drops some non-computer connections

Hello all,

I'm hoping someone here can point me in the right direction regarding how to troubleshoot and fix my issue.

I have the above router, and numerous devices that use WiFi in house: two TV's, two cell phones, three laptops, a garage door, alarm system, receiver, etc.

I use my laptop to run iTunes through my TV receiver (a Denon) via Apple AirPlay. I would say about 30% of the time when I try to do this, I get a message on iTunes that says the Receiver is unavailable. Every single...

Asus RT-N66U Drops some non-computer connections