U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
The effective radiated power (ERP) of ground and airborne stations operating on the frequency ranges listed in § 22.857 must not exceed the limits in this section.
(a) The peak ERP of airborne mobile station transmitters must not exceed 12 Watts.
(b) The peak ERP of ground station transmitters must not exceed 500 Watts.