@Kevin_Z Thank you! Can you please explain to me what these setting changes will do so that I can understand what might work best. A few more details. Our house is in the Midwest and built of brick...

@JamesHowlett I have the EXACT same issues in a misty Apple products house. It's maddening.

I bought this router 11 months ago. When I first set it up it was terrific. Now nearly a year later and 3 firmware updates later I am about to throw it out the window or return it for my money back...