47 CFR § 22.527
Signal boosters
February 16, 2021
Licensees may install and operate signal boosters on channels listed in §22.531 only in accordance with the provisions of §22.165 governing additional transmitters for existing systems. Licensees must not allow any signal booster that they operate to cause interference to the service or operation of any other authorized stations or systems.
[61 FR 31051, June 19, 1996]