Regulations last checked for updates: Apr 11, 2025

Title 47 - Telecommunication last revised: Apr 09, 2025
§ 88.109 - Time division duplex requirement.

Transmitters operating in the 5030-5091 MHz band must comply with the time division duplex (TDD) frame structure and timing accuracy requirements specified in technical standard RTCA DO-362A (incorporated by reference, see § 88.117) sections 2.2.1.3 and 2.2.1.3.1.

authority: 47 U.S.C. 154(i), 303, 307
source: 90 FR 1395, Jan. 8, 2025, unless otherwise noted.
cite as: 47 CFR 88.109