Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means, referring to all types of voice, data, and video transmission. Mobile phones, landlines, satellite phones, and voice over internet protocol (VoIP), Radio, Television, and networks are some examples of telecommunication. Telecommunication enables people to communicate over long distances. When you are phone a person you are using a form of telecommunication.
A complete, single telecommunications circuit consists of two stations, each equipped with a transmitter and a receiver. The transmitter and receiver at any station may be combined into a single device called a transceiver. The medium of signal transmission can be via electrical wire or cable — also known as copper — optical fiber, electromagnetic fields, or light. The free space transmission and reception of data by means of electromagnetic fields are called wireless communications.
For example, the internet is the largest telecommunication network and other are telephone network, cellular network, and broadcast network etc.
Telecommunication
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