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Communication link

Creator
Creator
Seonglae Cho
Created
Created
2023 Sep 9 16:39
Editor
Editor
Seonglae Cho
Edited
Edited
2023 Oct 23 12:59
Refs
Refs
Multiplexing

Transmission medium, Physical link

Transmission mediums
Wired Communication link
Wireless Communication link
 
 
 
Transmission medium
A transmission medium is a system or substance that can mediate the propagation of signals for the purposes of telecommunication. Signals are typically imposed on a wave of some kind suitable for the chosen medium. For example, data can modulate sound, and a transmission medium for sounds may be air, but solids and liquids may also act as the transmission medium. Vacuum or air constitutes a good transmission medium for electromagnetic waves such as light and radio waves. While a material substance is not required for electromagnetic waves to propagate, such waves are usually affected by the transmission media they pass through, for instance, by absorption or reflection or refraction at the interfaces between media. Technical devices can therefore be employed to transmit or guide waves. Thus, an optical fiber or a copper cable is used as transmission media.
Transmission medium
https://en.wikipedia.org/wiki/Transmission_medium
Transmission medium
 
 

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