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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.

    • Networks

      A telecommunications network is a group of nodes...

    • Optical

      Optics is the branch of physics that studies the behaviour...

    • Transmission Media

      Telecommunications. A physical medium in data communications...

    • Beacons

      A beacon is an intentionally conspicuous device designed to...

    • Semaphore Line

      The network was reserved for government use, but an early...

  2. 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.

  3. Telecom History Timeline - Telecommunications History Group. The telephone had as big of an impact on the 20th century as the Industrial Revolution had on the 19th century, and its associated industries have produced some of the most incredible technological advances in humankind.

  4. May 18, 2018 · THE TELEPHONE INDUSTRY. The term telecommunications primarily applies to the long-distance carriers, such as AT&T, MCI, and Sprint, which carry transmissions and route calls between switching centers. The local telephone markets are dominated by the Regional Bell Operating Companies (RBOCs), such as Verizon, BellSouth, and SBC Communications.

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