"In China and Europe, governments have reserved low-band spectrum for 5G, making it efficient...to blanket their countries with high-speed wireless connectivity. In the United States, the low-band spectrum is reserved for the military."
HT: @tylercowen
The missing 5G radio spectrum allocations in the US aren't low band as noted here nytimes.com/2019/07/01/bus… but rather mid band as described in the picture below.
US firms don't make and install wireless base stations at at scale because it is a low margin commodity business. pic.twitter.com/wsHdpagvqC