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  2. Pager - Wikipedia

    en.wikipedia.org/wiki/Pager

    Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]

  3. Radio-paging code No. 1 - Wikipedia

    en.wikipedia.org/wiki/Radio-paging_code_No._1

    An NEC pager, using POCSAG coding branded for the Skyper network. Radio-paging code No. 1 (usually and hereafter called POCSAG) is an asynchronous protocol used to transmit data to pagers. Its usual designation is an acronym of the P ost O ffice C ode S tandardisation A dvisory G roup, the name of the group that developed the code under the ...

  4. PragerU - Wikipedia

    en.wikipedia.org/wiki/PragerU

    PragerU. The Prager University Foundation, known as PragerU, is an American 501 (c) (3) nonprofit advocacy group and media organization that creates content promoting conservative viewpoints on various political, economic, and sociological topics. It was co-founded in 2009 by Allen Estrin and talk show host Dennis Prager.

  5. Al Gross (engineer) - Wikipedia

    en.wikipedia.org/wiki/Al_Gross_(engineer)

    Al Gross (engineer) Irving " Al " Gross ( / ɡroʊs /; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication. He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie, [1] Citizens' Band radio, [2] the telephone pager [2] and the cordless telephone. [3]

  6. Motorola Minitor - Wikipedia

    en.wikipedia.org/wiki/Motorola_Minitor

    Motorola Minitor. Front view of the Minitor V pager. The Motorola Minitor is a portable, analog, receive only, voice pager typically carried by fire, rescue, and EMS personnel (both volunteer and career) to alert of emergencies. The Minitor, slightly smaller than a pack of cigarettes, is carried on a person and usually left in selective call mode.

  7. Motorola Pageboy - Wikipedia

    en.wikipedia.org/wiki/Motorola_Pageboy

    Motorola Pageboy. Motorola Pageboy was the second pager ever produced by Motorola with individual-unit addressing, [clarification needed] after the less known 1955 (not 1956 as believed) Pager called "Handie-Talkie Radio Pocket Pager". [citation needed] The first pager-like system was used in 1921 by the Detroit Police Department.

  8. Motorola Pageboy II - Wikipedia

    en.wikipedia.org/wiki/Motorola_Pageboy_II

    At that time pagers had a limited range and were used mostly in on-site situations for example to call medical personnel in a hospital. By 1990, wide-area paging had been invented and over 22 million pagers were in use. Their number exploded and by 1994, there were over 61 million pagers in use. Motorola’s Pageboy II Pageboy II

  9. Timex Datalink - Wikipedia

    en.wikipedia.org/wiki/Timex_Datalink

    Timex Datalink or Timex Data Link is a line of early smartwatches manufactured by Timex and is considered a wristwatch computer. [1] It is the first watch capable of downloading information wirelessly from a computer. [2] [3] As the name implies, datalink watches are capable of data transfer through linking with a computer. [4]

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