47 CFR § 95.339 - Operation of transmitter with external device causing rule violation prohibited.

---
identifier: "/us/cfr/t47/s95.339"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 95.339 - Operation of transmitter with external device causing rule violation prohibited."
title_number: 47
title_name: "Telecommunication"
section_number: "95.339"
section_name: "Operation of transmitter with external device causing rule violation prohibited."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "95"
part_name: "PERSONAL RADIO 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, 303, 307."
regulatory_source: "82 FR 41104, Aug. 29, 2017, unless otherwise noted."
cfr_part: "95"
---


# 95.339 Operation of transmitter with external device causing rule violation prohibited.

No person shall operate any Personal Radio Service transmitter to which an external device or accessory has been added such that operation of the combination results in a violation of the rules.