Part 90 — Private Land Mobile Radio Services
Subpart A — General Information
Subpart B — Public Safety Radio Pool
Subpart C — Industrial/Business Radio Pool
Subpart F — Radiolocation Service
Subpart G — Applications and Authorizations
- § 90.115— Foreign government and alien eligibility.
- § 90.119— Application requirements.
- § 90.127— Submission and filing of applications.
- § 90.129— Supplemental information to be routinely submitted with applications.
- § 90.135— Modification of license.
- § 90.137— Applications for operation at temporary locations.
- § 90.138— Applications for itinerant frequencies.
- § 90.149— License term.
- § 90.155— Time in which station must be placed in operation.
- § 90.159— Temporary and conditional permits.
- § 90.165— Procedures for mutually exclusive applications.
- § 90.168— Equal employment opportunities.
- § 90.169— Construction prior to grant of application.
Subpart H — Policies Governing the Assignment of Frequencies
- § 90.173— Policies governing the assignment of frequencies.
- § 90.175— Frequency coordinator requirements.
- § 90.176— Coordinator notification requirements on frequencies below 512 MHz, at 769-775/799-805 MHz, or at 1427-1432 MHz.
- § 90.179— Shared use of radio stations.
- § 90.185— Multiple licensing of radio transmitting equipment in the mobile radio service.
- § 90.187— Trunking in the bands between 150 and 512 MHz.
Subpart I — General Technical Standards
- § 90.203— Certification required.
- § 90.205— Power and antenna height limits.
- § 90.207— Types of emissions.
- § 90.209— Bandwidth limitations.
- § 90.210— Emission masks.
- § 90.212— Provisions relating to the use of scrambling devices and digital voice modulation.
- § 90.213— Frequency stability.
- § 90.214— Transient frequency behavior.
- § 90.215— Transmitter measurements.
- § 90.217— Exemption from technical standards.
- § 90.219— Use of signal boosters.
- § 90.221— Adjacent channel power limits.
- § 90.223— RF exposure.
Subpart J — Non-Voice and Other Specialized Operations
- § 90.233— Base/mobile non-voice operations.
- § 90.235— Secondary fixed signaling operations.
- § 90.237— Interim provisions for operation of radioteleprinter and radiofacsimile devices.
- § 90.238— Telemetry operations.
- § 90.241— Radio call box operations.
- § 90.242— Travelers' information stations.
- § 90.243— Mobile relay stations.
- § 90.245— Fixed relay stations.
- § 90.247— Mobile repeater stations.
- § 90.248— Wildlife and ocean buoy tracking.
- § 90.249— Control stations.
- § 90.250— Meteor burst communications.
Subpart K — Standards for Special Frequencies or Frequency Bands
- § 90.253— Use of frequency 5167.5 kHz.
- § 90.257— Assignment and use of frequencies in the band 72-76 MHz.
- § 90.259— Assignment and use of frequencies in the bands 216-220 MHz and 1427-1432 MHz.
- § 90.261— Assignment and use of the frequencies in the band 450-470 MHz for fixed operations.
- § 90.263— Substitution of frequencies below 25 MHz.
- § 90.264— Disaster communications between 2 and 10 MHz.
- § 90.265— Assignment and use of frequencies in the bands allocated for Federal use.
- § 90.266— Long distance communications on frequencies below 25 MHz.
- § 90.267— Assignment and use of frequencies in the 450-470 MHz band for low power use.
- § 90.269— Use of frequencies for self-powered vehicle detectors.
- § 90.273— Availability and use of frequencies in the 421-430 MHz band.
- § 90.279— Power limitations applicable to the 421-430 MHz band.
- § 90.281— Restrictions on operational fixed stations in the 421-430 MHz band.
Subpart L — Authorization in the Band 470-512 MHz (UHF-TV Sharing)
- § 90.303— Availability of frequencies.
- § 90.305— Location of stations.
- § 90.307— Protection criteria.
- § 90.309— Tables and figures.
- § 90.311— Frequencies.
- § 90.313— Frequency loading criteria.
- § 90.315— Special provisions governing use of frequencies in the 476-494 MHz band (TV Channels 15, 16, 17) in the Southern Louisiana-Texas Offshore Zone.
- § 90.317— Fixed ancillary signaling and data transmissions.
Subpart M — Intelligent Transportation Systems Radio Service
- § 90.350— Scope.
- § 90.351— Location and Monitoring Service.
- § 90.353— LMS operations in the 902-928 MHz band.
- § 90.355— LMS operations below 512 MHz.
- § 90.357— Frequencies for LMS systems in the 902-928 MHz band.
- § 90.359— Field strength limits for EA-licensed LMS systems.
- § 90.361— Interference from part 15 and Amateur operations.
- § 90.370— Permitted frequencies.
- § 90.371— Dedicated short range communications service.
- § 90.372— DSRCS notification requirement.
- § 90.373— Eligibility in the DSRCS.
- § 90.375— RSU license areas, communication zones and registrations
- § 90.377— Frequencies available; maximum EIRP and antenna height, and priority communications.
- § 90.379— Technical standards for Roadside Units.
- § 90.383— RSU sites near the U.S./Canada or U.S./Mexico border.
- § 90.384— Incorporation by reference.
- § 90.386— Permitted frequencies.
- § 90.387— Cellular Vehicle to Everything (C-V2X).
- § 90.388— Eligibility.
- § 90.389— RSU license areas and registrations.
- § 90.390— Channels and priority communications.
- § 90.391— Maximum EIRP and antenna height.
- § 90.392— C-V2X emissions limits.
- § 90.393— RSU sites near the U.S./Canada or U.S./Mexico border.
Subpart N — Operating Requirements
- § 90.403— General operating requirements.
- § 90.405— Permissible communications.
- § 90.407— Emergency communications.
- § 90.411— Civil defense communications.
- § 90.415— Prohibited uses.
- § 90.417— Interstation communication.
- § 90.419— Points of communication.
- § 90.421— Operation of mobile station units not under the control of the licensee.
- § 90.423— Operation on board aircraft.
- § 90.425— Station identification.
- § 90.427— Precautions against unauthorized operation.
- § 90.429— Control point and dispatch point requirements.
- § 90.431— Unattended operation.
- § 90.433— Operator requirements.
- § 90.437— Posting station licenses.
- § 90.439— Inspection of stations.
- § 90.443— Content of station records.
- § 90.447— Retention of station records.
Subpart O — Transmitter Control
- § 90.461— Direct and remote control of transmitters.
- § 90.463— Transmitter control points.
- § 90.465— Control of systems of communication.
- § 90.467— Dispatch points.
- § 90.469— Unattended operation.
- § 90.476— Interconnection of fixed stations and certain mobile stations.
- § 90.477— Interconnected systems.
- § 90.483— Permissible methods and requirements of interconnecting private and public systems of communications.
Subpart P — Paging Operations
Subpart R — Regulations Governing the Licensing and Use of Frequencies in the 763-775 and 793-805 MHz Bands
- § 90.521— Scope.
- § 90.523— Eligibility.
- § 90.525— Administration of interoperability channels.
- § 90.527— Regional plan requirements.
- § 90.529— State License.
- § 90.531— Band plan.
- § 90.532— Licensing of the 758-769 MHz and 788-799 MHz bands; first responder network authority license and renewal.
- § 90.533— Transmitting sites near the U.S./Canada or U.S./Mexico border.
- § 90.535— Modulation and spectrum usage efficiency requirements.
- § 90.537— Trunking requirement.
- § 90.539— Frequency stability.
- § 90.541— Transmitting power and antenna height limits.
- § 90.542— Broadband transmitting power limits.
- § 90.543— Emission limitations.
- § 90.547— Narrowband Interoperability channel capability requirement.
- § 90.548— Interoperability Technical Standards.
- § 90.549— Transmitter certification.
- § 90.551— Construction requirements.
- § 90.553— Encryption.
- § 90.555— Information exchange.
- § 90.557— Secondary fixed signaling operations.
- § 90.559— Station Identification.
Subpart S — Regulations Governing Licensing and Use of Frequencies in the 806-824, 851-869, 896-901, and 935-940 MHz Bands
- § 90.601— Scope.
- § 90.603— Eligibility.
- § 90.609— Special limitations on amendment of applications for assignment or transfer of authorizations for radio systems above 800 MHz.
- § 90.613— Frequencies available.
- § 90.614— Segments of the 806-824/851-869 MHz band for non-border areas.
- § 90.615— Individual channels available in the General Category in 806-824/851-869 MHz band.
- § 90.616— 896-897.5/935-936.5 MHz and 900.5-901/939.5-940 MHz narrowband segments.
- § 90.617— Frequencies 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.
- § 90.619— Operations within the U.S./Mexico and U.S./Canada border areas.
- § 90.621— Selection and assignment of frequencies.
- § 90.623— Limitations on the number of frequencies assignable for conventional systems.
- § 90.625— Other criteria to be applied in assigning channels for use in conventional systems of communication.
- § 90.627— Limitation on the number of frequency pairs that may be assignable for trunked systems and on the number of trunked systems.
- § 90.629— Extended implementation period.
- § 90.631— Trunked systems loading, construction and authorization requirements.
- § 90.633— Conventional systems loading requirements.
- § 90.635— Limitations on power and antenna height.
- § 90.637— Restrictions on operational fixed stations.
- § 90.645— Permissible operations.
- § 90.647— Station identification.
- § 90.655— Special licensing requirements for Specialized Mobile Radio systems.
- § 90.656— Responsibilities of base station licensees of Specialized Mobile Radio systems.
- § 90.661— MTA-based SMR service areas.
- § 90.663— MTA-based SMR system operations.
- § 90.665— Authorization, construction and implementation of MTA licenses.
- § 90.667— Grandfathering provisions for incumbent licensees.
- § 90.669— Emission limits.
- § 90.671— Field strength limits.
- § 90.672— Unacceptable 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.
- § 90.673— Obligation to abate unacceptable interference.
- § 90.674— Interference resolution procedures.
- § 90.675— Information exchange.
- § 90.681— EA-based SMR service areas.
- § 90.683— EA-based SMR system operations.
- § 90.685— Authorization, construction and implementation of EA licenses.
- § 90.687— Special provisions regarding assignments and transfers of authorizations for incumbent SMR licensees in the 809-824/854-869 MHz band.
- § 90.689— Field strength limits.
- § 90.691— Emission mask requirements for EA-based systems.
- § 90.693— Grandfathering provisions for incumbent licensees.
- § 90.699— Transition of the upper 200 channels in the 800 MHz band to EA licensing.
Subpart T — Regulations Governing Licensing and Use of Frequencies in the 220-222 MHz Band
- § 90.701— Scope.
- § 90.703— Eligibility.
- § 90.705— Forms to be used.
- § 90.709— Special limitations on amendment of applications and on assignment or transfer of authorizations licensed under this subpart.
- § 90.711— Processing of Phase II applications.
- § 90.713— Entry criteria.
- § 90.715— Frequencies available.
- § 90.717— Channels available for nationwide systems in the 220-222 MHz band.
- § 90.719— Individual channels available for assignment in the 220-222 MHz band.
- § 90.720— Channels available for public safety/mutual aid.
- § 90.721— Other channels available for non-nationwide systems in the 220-222 MHz band.
- § 90.723— Selection and assignment of frequencies.
- § 90.725— Construction requirements for Phase I licensees.
- § 90.727— Extended implementation schedules for Phase I licensees.
- § 90.729— Limitations on power and antenna height.
- § 90.733— Permissible operations.
- § 90.735— Station identification.
- § 90.741— Urban areas for Phase I nationwide systems.
- § 90.745— Phase I licensee service areas.
- § 90.751— Minor modifications of Phase I, non-nationwide licenses.
- § 90.753— Conditions of license modification.
- § 90.757— Construction requirements.
- § 90.761— EA and Regional licenses.
- § 90.763— EA, Regional and nationwide system operations.
- § 90.765— Licenses term for Phase II licenses.
- § 90.767— Construction and implementation of EA and Regional licenses.
- § 90.769— Construction and implementation of Phase II nationwide licenses.
- § 90.771— Field strength limits.