electromagnetic spectrum Last modified: Wednesday, August 20, 2008
Abbreviated as EM, and also called just  spectrum or electromagnetic radiation spectrum, electromagnetic spectrum refers to the complete range of wavelengths of electromagnetic radiation. The electromagnetic spectrum includes the following different types of of radiation (from lowest energy to highest): radio, microwaves, infrared, visible, ultraviolet, X-rays and gamma-rays. See RF for a list of radio frequencies within the electromagnetic spectrum.
•E-mail this definition to a colleague• For internet.com pages about electromagnetic spectrum . Also check out the following links! Measuring the electromagnetic spectrum  You actually know more about it than you may think! The electromagnetic (EM) spectrum is just a name that scientists give a bunch of types of radiation when they want to talk about them as a group. Spectrum Perspective  Auctions, he noted, do not help competition. Most ISPs want more open spectrum, or lightly licensed spectrum similar to the regime for 11 GHz and 18 GHz. Webopedia's Quick Reference Section  Use this Webopedia reference section for information on common Internet and computer facts and occurrences. FCC Approves Spectrum Auction Rules After months of deliberations, the FCC decided to dedicate almost a third of the spectrum available to some open access conditions, including allowing consumers to attach legal devices and run legal software on the network.	Mobile Computing Satellite Communications Wireless Computing 802.11 EMI LOS NLOS RF RFID UWB Wi-Fi wireless Give Us Your Feedback Books electromagnetic spectrum Products Shop by Top Models: P. C. Clemmow - The Plane Wave Spectrum Representation of Electromagnetic Fields 3 store offers from $83 - $95 Austin Richards - Alien Vision: Exploring the Electromagnetic Spectrum With Imaging Technology 2 store offers from $42 - $50 The Electromagnetic Spectrum of Neutron Stars 1 store offers from $80 - $80