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Title 47

Displaying title 47, up to date as of 10/08/2026. Title 47 was last amended 10/06/2026.
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  1. Title 47 —Telecommunication
  2. Chapter I —Federal Communications Commission
  3. Subchapter D —Safety and Special Radio Services
  4. Part 90 —Private Land Mobile Radio Services
  5. Subpart S   View Full Text
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Title 47TelecommunicationPart / Section
Chapter IFederal Communications Commission0 – 199
Subchapter DSafety and Special Radio Services80 – 199
Part 90Private Land Mobile Radio Services90.1 – 90.1217
Subpart SRegulations Governing Licensing and Use of Frequencies in the 806-824, 851-869, 896-901, and 935-940 MHz Bands90.601 – 90.699
§ 90.601Scope.
Application for Authorizations90.603 – 90.609
§ 90.603Eligibility.
§§ 90.605-90.607 [Reserved]
§ 90.609Special limitations on amendment of applications for assignment or transfer of authorizations for radio systems above 800 MHz.
Policies Governing the Processing of Applications and the Selection and Assignment of Frequencies for Use in the 806-824 MHz, 851-869 MHz, 896-901 MHz, and 935-940 MHz Bands90.613 – 90.633
§ 90.613Frequencies available.
§ 90.614Segments of the 806-824/851-869 MHz band for non-border areas.
§ 90.615Individual channels available in the General Category in 806-824/851-869 MHz band.
§ 90.616896-897.5/935-936.5 MHz and 900.5-901/939.5-940 MHz narrowband segments.
§ 90.617Frequencies in the 809.750-824/854.750-869 MHz, and 896-901/935-940 MHz bands available for trunked, conventional or cellular system use in non-border areas.
§ 90.619Operations within the U.S./Mexico and U.S./Canada border areas.
§ 90.621Selection and assignment of frequencies.
§ 90.623Limitations on the number of frequencies assignable for conventional systems.
§ 90.625Other criteria to be applied in assigning channels for use in conventional systems of communication.
§ 90.627Limitation on the number of frequency pairs that may be assignable for trunked systems and on the number of trunked systems.
§ 90.629Extended implementation period.
§ 90.631Trunked systems loading, construction and authorization requirements.
§ 90.633Conventional systems loading requirements.
Technical Regulations Regarding the Use of Frequencies in the 806-824 MHz, 851-869 MHz, 896-901 MHz, and 935-940 MHz Bands90.635 – 90.656
§ 90.635Limitations on power and antenna height.
§ 90.637Restrictions on operational fixed stations.
§ 90.645Permissible operations.
§ 90.647Station identification.
§ 90.651 [Reserved]
§ 90.655Special licensing requirements for Specialized Mobile Radio systems.
§ 90.656Responsibilities of base station licensees of Specialized Mobile Radio systems.
Policies Governing the Licensing and Use of MTA-Based SMR Systems in the 896-901/935-940 MHz Band90.661 – 90.671
§ 90.661MTA-based SMR service areas.
§ 90.663MTA-based SMR system operations.
§ 90.665Authorization, construction and implementation of MTA licenses.
§ 90.667Grandfathering provisions for incumbent licensees.
§ 90.669Emission limits.
§ 90.671Field strength limits.
Procedures and Process—Unacceptable Interference90.672 – 90.677
§ 90.672Unacceptable interference to non-cellular 800 MHz licensees from 800 MHz cellular systems or part 22 Cellular Radiotelephone systems, and within the 900 MHz narrowband segments, and to narrowband 900 MHz licensees from 900 MHz broadband licensees.
§ 90.673Obligation to abate unacceptable interference.
§ 90.674Interference resolution procedures.
§ 90.675Information exchange.
§§ 90.676-90.677 [Reserved]
Policies Governing the Licensing and Use of EA-Based SMR Systems in the 809-824/851-869 MHz Band90.681 – 90.699
§ 90.681EA-based SMR service areas.
§ 90.683EA-based SMR system operations.
§ 90.685Authorization, construction and implementation of EA licenses.
§ 90.687Special provisions regarding assignments and transfers of authorizations for incumbent SMR licensees in the 809-824/854-869 MHz band.
§ 90.689Field strength limits.
§ 90.691Emission mask requirements for EA-based systems.
§ 90.693Grandfathering provisions for incumbent licensees.
§ 90.699Transition of the upper 200 channels in the 800 MHz band to EA licensing.
eCFR Content