U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 47Chapter IPart 90Subpart I - Subpart I—General Technical Standards
§ 90.201 - Scope.
§ 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.
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