US lawFederal (United States)RegulationsTitle 47 CFR — TelecommunicationChapter I — FEDERAL COMMUNICATIONS COMMISSIONPart 15 — RADIO FREQUENCY DEVICESSubpart E — Unlicensed National Information Infrastructure Devices15.40147 C.F.R. § 15.401Scope.Last amended: 2021Year: 2026Length: 31 wordsOfficial source Cite as 47 C.F.R. § 15.401 (2026)This subpart sets out the regulations for Unlicensed National Information Infrastructure (U-NII) devices operating in the 5.15-5.35 GHz, 5.47-5.895 GHz bands, and 5.925-7.125 GHz bands. [86 FR 23295, May 3, 2021]Next47 C.F.R. § 15.405