A NY Times article explaining the new FCC rules, devised in Sept. 2018, and the initial reaction to them.

F.C.C. Puts 5G Rollout Rules in Federal Hands

The FCC’s 5G Fast-Plan

“Infrastructure Policy

Broadband Deployment Advisory Committee
The Broadband Deployment Advisory Committee, formed by Chairman Pai in 2017, provides advice and recommendations for the Commission on how to accelerate the deployment of high-speed Internet access. See the latest BDAC news.

The FCC is updating infrastructure policy and encouraging the private sector to invest in 5G networks.
Speeding Up Federal Review of Small Cells: The FCC adopted new rules that will reduce federal regulatory impediments to deploying the small-cell infrastructure needed for 5G (as opposed to large cell towers) and help to expand the reach of 5G for faster, more reliable wireless service.

Speeding Up State and Local Review of Small Cells: The FCC has reformed rules designed decades ago to accommodate small cells. The reforms ban short-sighted municipal roadblocks that have the effect of prohibiting deployment of 5G and give states and localities a reasonable deadline to approve or disapprove small-cell siting applications.”

The text of the FCC regulations, which took effect Jan. 14, 2019.