This article by Sean Captain on Fast Company discusses the basics of 5G wireless and the difficulties that are ahead in installing the 5G wireless network throughout the U.S. In this article, he references that wireless carriers would have to install approximately 300,000 new cellular transmitters to support 5G, this would about triple the current number. He also touches upon how the difficulty wireless carriers will likely face from a zoning and bureaucratic standpoint. I
https://www.fastcompany.com/40510374/the-5g-race-is-on-now-that-the-tech-is-almost-ready