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Regulations last checked for updates: May 23, 2025

Title 47 - Telecommunication last revised: May 16, 2025
All TitlesTitle 47Chapter IPart 27Subpart C - Subpart C—Technical Standards
  • § 27.50 - Power limits and duty cycle.
  • § 27.51 - Equipment authorization.
  • § 27.52 - RF exposure.
  • § 27.53 - Emission limits.
  • § 27.54 - Frequency stability.
  • § 27.55 - Power strength limits.
  • § 27.56 - Antenna structures; air navigation safety.
  • § 27.57 - International coordination.
  • § 27.58 - Interference to BRS/EBS receivers.
  • §§ 27.59-27.62 - §[Reserved]
  • § 27.64 - Protection from interference.
  • § 27.65 - Acceptance of interference in 2000-2020 MHz.
  • § 27.66 - Discontinuance, reduction, or impairment of service.
  • § 27.70 - Information exchange.
  • § 27.72 - Information sharing requirements.
  • § 27.73 - WCS, AMT, and Goldstone coordination requirements.
  • § 27.75 - Basic interoperability requirement.
  • § 27.77 - Restriction on mobile and portable equipment in the 1695-1710 MHz and 1755-1780 MHz bands.
authority: 47 U.S.C. 154,301,302a,303,307,309,332,336,337,1403,1404,1451,and,unless
source: 62 FR 9658, Mar. 3, 1997, unless otherwise noted.
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