Code of Federal Regulations > Title 47 > Chapter I > Part 2 - PART 2—FREQUENCY ALLOCATIONS AND RADIO TREATY MATTERS; GENERAL RULES AND REGULATIONS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Dec 13, 2025

Subpart A [§ 2.1 - § 2.1] - Subpart A—Terminology

Subpart B [§ 2.100 - § 2.108] - Subpart B—Allocation, Assignment, and Use of Radio Frequencies

Subpart C [§ 2.201 - § 2.202] - Subpart C—Emissions

Subpart D [§ 2.301 - § 2.303] - Subpart D—Call Signs and Other Forms of Identifying Radio Transmissions

Subpart E [§ 2.401 - § 2.407] - Subpart E—Distress, Disaster, and Emergency Communications

Subpart F - Subparts F-G [Reserved]

Subpart H [§ 2.701 - § 2.701] - Subpart H—Prohibition Against Eavesdropping

Subpart I [§ 2.801 - § 2.815] - Subpart I—Marketing of Radio-frequency Devices

Subpart J [§ 2.901 - § 2.1093] - Subpart J—Equipment Authorization Procedures

Subpart K [§ 2.1201 - § 2.1207] - Subpart K—Importation of Devices Capable of Causing Harmful Interference

Subpart L - Subparts L-N [Reserved]