Regulations last checked for updates: Jan 30, 2025

Title 47 - Telecommunication last revised: Jan 27, 2025
§ 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.

source: 81 FR 79937, Nov. 14, 2016, unless otherwise noted.
cite as: 47 CFR 30.407