I like my RT-AC86U router and it has as good coverage, if not better, than my AC3100 router that I gave my son. But we have a large 2 story building with 3 AppleTVs, 4 Amazon FireSticks, 5 smart phones, 2 iPad/notepads, 2-4 of simultaneous Netflix streams, 2 Hulu streams, Xbox one, Nintendo...