I currently have two APX530 units and am adding another access point model apx120 - my question is what is the range in square feet of the 120 model? Can’t find anywhere
To further Lucar's point^ Every environment varies for range for both 2.4 and 5GHz bands. Things like building materials and other wireless networks cause interference so it's hard to give a definitive answer.
We put together a great article and video talking about Wi-Fi Fundamentals in depth give it a read/watch: