{"data":{"id":"us/47-cfr-88.109","jurisdiction":"us","citation":"47 CFR 88.109","heading":"Time division duplex requirement.","body":"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.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 88—UNCREWED AIRCRAFT SYSTEM SERVICES","Subpart D—Technical Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"c464f550bf926b81144b8370090784c8fbdaac2084243aed404031534bc6e96c","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-88.107","next":"us/47-cfr-88.111"},"notice":"GroundRules: Original legal text. Not legal advice."}