Radio
From The Art and Popular Culture Encyclopedia
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| - | '''Radio''' is the [[wireless]] [[Transmission (telecommunications)|transmission]] of signals through free space by [[electromagnetic radiation]] of a [[frequency]] significantly below that of [[visible light]], in the [[radio frequency]] range, from about 30 kHz to 300 GHz. These waves are called ''[[radio wave]]s''. Electromagnetic radiation [[radio propagation|travels]] by means of oscillating [[electromagnetic field]]s that pass through the air and the [[vacuum]] of space. | + | '''Radio''' is the [[wireless]] [[Transmission (telecommunications)|transmission]] of signals through free space by [[electromagnetic radiation]] of a [[frequency]] significantly below that of [[visible light]], in the [[radio frequency]] range, from about 30 kHz to 300 GHz. |
| + | ==Etymology== | ||
| + | From Latin ''[[radius]]'' (“[[ray]]”). | ||
| + | |||
| ==See also== | ==See also== | ||
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Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light, in the radio frequency range, from about 30 kHz to 300 GHz.
Etymology
See also
- Applications
- Amateur radio
- Citizens' band radio
- Marine and mobile radio telephony
- Marine VHF radio
- Radio astronomy
- Radio broadcasting
- Radio navigation
- Wireless energy transfer
- Radio science
- Radio technologies
- Batteryless radio
- Digital radio
- Radio software
- Receiver (radio)
- Software-defined radio
- Tuner (radio)
- Alternatives
- Other
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Radio" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
