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  1. United States Frequency Allocation Chart | National …

    The United States Frequency Allocations: The Radio Spectrum Chart was updated in September 2025, using data as of March 2025. The United States Frequency Allocation Chart is provided …

  2. Radio spectrum - Wikipedia

    The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 KHz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, are …

  3. Table of Frequency Allocations Chart - Federal Communications Commission

    The Commission regularly updates its Online Table of Frequency Allocations shortly after a final rule has been released. Download the FCC Online Table [Word | PDF] .

  4. Graphical Frequency Allocations - ARRL

    Information about the US Amateur Bands is available on the Frequency Allocations page as well as the frequency bands chart. Download and print PDF documents using Adobe Reader or …

  5. United States Spectrum Allocation Chart - IEEE Reach

    This chart represents a graphic single-point-in-time portrayal of the Table of Frequency Allocations used in the United States

  6. Radio Frequency Bands - RF Page

    May 2, 2025 · The IEEE has played a major role in assigning radio frequency bands for use in radar, terrestrial, and satellite applications. To better organize the microwave range of the …

  7. Radio Spectrum Management and Allocations - RadioReference

    Jun 19, 2025 · The National Telecommunications and Information Administration 's Office of Spectrum Management manages the federal government’s use of the radio frequency …

  8. Wavelength, Frequency, and Energy - Imagine the Universe!

    Nov 5, 2013 · Astronomer's Toolbox Wavelength, Frequency, and Energy Regions of the Electromagnetic Spectrum Listed below are the approximate wavelength, frequency, and …

  9. Radio Spectrum Allocation - Federal Communications Commission

    The radio spectrum is the radio frequency (RF) portion of the electromagnetic spectrum. In the United States, regulatory responsibility for the radio spectrum is divided between the Federal …