superhigh frequency

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su·per·high frequency

 (so͞o′pər-hī′)
n. Abbr. SHF
A radio frequency between 3,000 and 30,000 megahertz.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

superhigh frequency

(ˈsuːpəˌhaɪ)
n
(Telecommunications) a radio-frequency band or radio frequency lying between 30 000 and 3000 megahertz. Abbreviation: SHF
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

su′per•high fre′quency

(ˈsu pərˌhaɪ)
n.
any radio frequency between 3000 and 30,000 megahertz. Abbr.: SHF
[1940–45]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.superhigh frequency - 3 to 30 gigahertz
SHF
radio frequency - an electromagnetic wave frequency between audio and infrared
electromagnetic spectrum - the entire frequency range of electromagnetic waves
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive
We are additionally subjected to harmful levels of superhigh frequency (RF) radiation (likewise referred to as microwave radiation) from cellular phone, cell towers, cordless phones, wireless web modems and routers, wireless keyboards, mice, printers, pc gaming gadgets, infant screens, and a lot more.
WARNING! Biological Effects Of EMF On Us! A Should Read!
Amateur radio operators work along nine bands, or groups of frequencies, in the high-frequency range (between 1800 and 29,700 kilohertz) and seven bands in the very high-frequency, ultrahigh frequency, and superhigh frequency ranges.
Ham Radio: Amateur Operators Can Chat Worldwide
The Defense Satellite Communications System (DSCS) serves as the mainstay of DOD satellite communications by providing dedicated superhigh frequency (SHF) capacity.
Command and control of air and space forces requires significant attention to bandwidth
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