Code of Federal Regulations > Title 47 > Chapter I > Part 87 > Subpart D - Subpart D—Technical Requirements

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 87.131 - Power and emissions.

§ 87.133 - Frequency stability.

§ 87.135 - Bandwidth of emission.

§ 87.137 - Types of emission.

§ 87.139 - Emission limitations.

§ 87.141 - Modulation requirements.

§ 87.143 - Transmitter control requirements.

§ 87.145 - Acceptability of transmitters for licensing.

§ 87.147 - Authorization of equipment.

§ 87.149 - Special requirements for automatic link establishment (ALE).

§ 87.151 - Special requirements for differential GPS receivers.