47 CFR § 95.575 - FRS modulation limits.

---
identifier: "/us/cfr/t47/s95.575"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 95.575 - FRS modulation limits."
title_number: 47
title_name: "Telecommunication"
section_number: "95.575"
section_name: "FRS modulation limits."
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"
---


# 95.575 FRS modulation limits.

Each FRS transmitter type must be designed such that the peak frequency deviation does not exceed 2.5 kHz, and the highest audio frequency contributing substantially to modulation must not exceed 3.125 kHz.