- (a) Any external RF power amplifier (see § 2.815 of the FCC Rules) manufactured or imported for use at an amateur radio station must be certificated for use in the amateur service in accordance with subpart J of part 2 of the FCC Rules. No amplifier capable of operation below 144 MHz may be constructed or modified by a non-amateur service licensee without a grant of certification from the FCC.
(b) The requirement of paragraph (a) does not apply if one or more of the following conditions are met:
- (1) The amplifier is constructed or modified by an amateur radio operator for use at an amateur station.
- (2) [Reserved]
- (3) The amplifier is sold to an amateur radio operator or to a dealer, the amplifier is purchased in used condition by a dealer, or the amplifier is sold to an amateur radio operator for use at that operator's station.
- (c) Any external RF power amplifier appearing in the Commission's database as certificated for use in the amateur service may be marketed for use in the amateur service.
[71 FR 66465, Nov. 15, 2006, as amended at 90 FR 57712, Dec. 12, 2025]