As was said, and also how much do you really want to support. I have roughly 900 seat auditorium (2 stories) that I have to support in the school system I work for but its not a priority room, meaning if we can reasonably support guests then its fine.  If 900 people crowd the room and they all have at least one device and they want to stream a 4k video, well we just simple don't feel it necessary to support that.   I have 5 access points in there, 3 serving the bottom floor and 2 serving the top floor.  No, it would not support everyone all the time but it adequately handles what is mostly in there.........which is an occasional event with a percentage of people on their phones playing on facebook on my guest account.   We did have a teacher event one time where we had a large crowd full of tech savvy teachers showing off their new tech toys (and I have pic to show this) and they complained about some 'slowness', but they all managed to do what they needed. ... View more