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  1. Telecommunication, often used in its plural form, is the transmission of information with an immediacy comparable to face-to-face communication. As such, slow communications technologies like postal mail and pneumatic tubes are excluded from the definition.

  2. en.wikipedia.org › wiki › SingtelSingtel - Wikipedia

    Website. www .singtel .com. Singapore Telecommunications Limited, commonly known as Singtel, is a Singaporean telecommunications conglomerate, the country's principal fixed-line operator and one of the four major mobile network operators operating in the country.

  3. Apr 26, 2024 · Learn about the science and practice of transmitting information by electromagnetic means, including digital conversion, modulation, multiplexing, and networks. Explore the history and applications of telecommunication in telephone, radio, television, and data communication.