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#REDIRECT [[Draft:Radio communication]]
{{short description|Use of radio waves}}
{{about|the general technology|the common device|Broadcast radio receiver}}

"'''Radio'''" is a general term applied to the use of ''[[radio wave]]s'', [[electromagnetic wave]]s of [[frequency]] between 3 [[hertz]] (Hz) and 300 [[gigahertz]] (GHz).
They are used mainly for [[radio communication]], but also for [[radar]], [[radio navigation]], [[radio control|remote control]], [[remote sensing]], and other applications.
The emission of radio waves is regulated by law, coordinated by the [[International Telecommunication Union]] (ITU), which allocates frequency bands in the [[radio spectrum]] for various uses.

==See also==
{{Portal|Radio}}
* [[Outline of radio]]
* [[Electromagnetic radiation and health]]
* {{annotated link|List of radios}}
* [[Radio quiet zone]]

==References==
{{Reflist}}

==General references==
* [https://books.google.com/books?id=vaUGlb_Gd18C&q=radio+basic+text Basic Radio Principles and Technology – Elsevier Science]
* [https://books.google.com/books?id=203BJeFu5qQC&q=cover+of+The+Electronics+of+Radio+The+Electronics+of+Radio+by+David+Rutledge The Electronics of Radio – Cambridge University Press]
* [https://books.google.com/books?id=C8fxDAAAQBAJ&q=radio+textbook Radio Systems Engineering – Cambridge University Press]
* [https://books.google.com/books?id=m5DIroWLw2EC&q=Radio-Electronic+Transmission+Fundamentals Radio-Electronic Transmission Fundamentals – SciTech Publishing]
* [https://books.google.com/books?id=l-AgBQAAQBAJ&dq=radio++textbook+many+kinds+of+modulation&pg=PA183 Analog Electronics, Analog Circuitry Explained – Elsevier Science]

==External links==
{{Commons and category|Radio|Radio}}
{{Wikiquote}}
* {{Merriam-Webster|Radio}}

{{Morse code}}
{{Radio spectrum}}

{{Authority control}}

Latest revision as of 06:15, 6 April 2024