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  2. Pager - Wikipedia

    en.wikipedia.org/wiki/Pager

    A pager, also known as a beeper or bleeper, 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. List of BlackBerry products - Wikipedia

    en.wikipedia.org/wiki/List_of_BlackBerry_products

    The first model, the Inter@ctive Pager, was announced on September 18, 1996. Within a year, Yankee Group was estimating that devices like the Inter@ctive Pager were in use by fewer than 400,000 people and expected two-way wireless messaging services to attract 51 million users by 2002.

  4. Motorola PageWriter 2000 - Wikipedia

    en.wikipedia.org/wiki/Motorola_PageWriter_2000

    Motorola PageWriter 2000. The Motorola PageWriter 2000 was a two-way pager introduced in 1998. [1] Featuring the 68000 based Motorola DragonBall processor, 1 MB of internal storage, a four color grayscale screen, IrDA transmitter/receiver, and a full QWERTY keyboard the PageWriter represented a combination of both PDA and pager in one package.

  5. Motorola Pageboy II - Wikipedia

    en.wikipedia.org/wiki/Motorola_Pageboy_II

    Pageboy II. Motorola’s Pageboy II was launched in 1975 for the United States and 1976 for Europe in various types. Pb II 5-tone only 68–88 MHz / 146–174 MHz (US and Eur). Pb II tone only for 5-tone 80,6–88 MHz / 146–174 MHz (US). Pb II tone & voice radio for 2-tone signalling systems 68–88 MHz / 146–174 MHz (US).

  6. Beeper (application) - Wikipedia

    en.wikipedia.org/wiki/Beeper_(application)

    Beeper is an instant messaging service that enables using a variety of chat services and protocols all from the same application. Originally developed by Beeper Inc, it was acquired by Automattic in April 2024.

  7. 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]

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