47 CFR § 30.407 - Antenna polarization.

---
identifier: "/us/cfr/t47/s30.407"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 30.407 - Antenna polarization."
title_number: 47
title_name: "Telecommunication"
section_number: "30.407"
section_name: "Antenna polarization."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "30"
part_name: "UPPER MICROWAVE FLEXIBLE USE SERVICE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 151, 152, 153, 154, 301, 303, 304, 307, 309, 310, 316, 332, 1302, unless otherwise noted."
regulatory_source: "81 FR 79937, Nov. 14, 2016, unless otherwise noted."
cfr_part: "30"
---


# 30.407 Antenna polarization.

In the 27,500-28,350 MHz band, system operators are permitted to use any polarization within its service area, but only vertical and/or horizontal polarization for antennas located within 20 kilometers of the outermost edge of their service area.