47 CFR § 22.809 - Transmitting power limits.

---
identifier: "/us/cfr/t47/s22.809"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 22.809 - Transmitting power limits."
title_number: 47
title_name: "Telecommunication"
section_number: "22.809"
section_name: "Transmitting power limits."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "22"
part_name: "PUBLIC MOBILE SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 222, 303, 309, and 332."
regulatory_source: "59 FR 59507, Nov. 17, 1994, unless otherwise noted."
cfr_part: "22"
---


# 22.809 Transmitting power limits.

The transmitting power of ground and airborne mobile transmitters operating on the channels listed in § 22.805 must not exceed the limits in this section.

(a) *Ground station transmitters.* The effective radiated power of ground stations must not exceed 100 Watts and must not be less than 50 Watts, except as provided in § 22.811.

(b) *Airborne mobile transmitters.* The transmitter power output of airborne mobile transmitters must not exceed 25 Watts and must not be less than 4 Watts.