• Radio frequency - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Radio_frequency Radio frequency (RF) is any of the electromagnetic wave frequencies that lie in the range extending from around 3 kHz to 300 GHz, which include those frequencies used ...
  • Radio spectrum - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Radio_spectrum The radio spectrum is the part of the electromagnetic spectrum from 3 Hz to 3000 GHz (3 THz) allocated to some 40 Radiocommunication services in line to the Radio ...
  • U.S. Frequency Allocation Chart

    www.ntia.doc.gov/files/ntia/publications/2003-allochrt.pdf THE RADIO SPECTRUM 3 kHz MAGNIFIED ABOVE 300 GHz VERY LOW FREQUENCY (VLF) ... U.S. Frequency Allocation Chart Author: NTIA Office of Spectrum Management Subject:
    • Radio Spectrum Allocation | Federal Communications Commission

      www.fcc.gov/engineering-technology/.../radio-spectrum-allocation The radio spectrum is the radio frequency (RF) portion of the electromagnetic spectrum. In the United States, regulatory responsibility for the radio spectrum is ...
    • Introduction to How the Radio Spectrum Works - Electronics

      electronics.howstuffworks.com/radio-spectrum.htm Introduction to How the Radio Spectrum Works - AM radio, FM radio, CB radio... These are all different chunks of the radio spectrum. Find out about the thousands of ...
    • Home RF Spectrum

      www.rf-spectrum.com/index.htm rf and microwave and communication products ... Copyright © 1999 RF Spectrum Inc. Last modified: July 17, 2005 ...