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  2. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    According to 9/11 Commission staff statement No. 17 [1] there were several communications failures at the federal government level during and after the 9/11 attacks. Perhaps the most serious occurred in an "Air Threat Conference Call" initiated by the National Military Command Center (NMCC) after two planes had crashed into the World Trade Center, but shortly before The Pentagon was hit.

  3. Motorola DynaTAC - Wikipedia

    en.wikipedia.org/wiki/Motorola_DynaTAC

    A DynaTAC 8000X; the first commercially available mobile phone from 1983. Electrical engineer Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994.

  4. List of Motorola products - Wikipedia

    en.wikipedia.org/wiki/List_of_Motorola_products

    Canopy – A line-of-sight wireless technology, primarily used by ISPs to provide broadband internet; MotoMESH – A mobile wireless broadband product providing proprietary "Mesh-Enabled Architecture" and standards-based 802.11 network access in both the unlicensed 2.4 GHz band and the licensed 4.9 GHz public-safety band

  5. Iridium satellite constellation - Wikipedia

    en.wikipedia.org/wiki/Iridium_satellite...

    The Iridium system was designed to be accessed by small handheld phones, the size of a cell phone. While "the weight of a typical cell phone in the early 1990s was 10.5 ounces" [6] (300 grams) Advertising Age wrote in mid 1999 that "when its phone debuted, weighing 1 pound (453 grams) and costing $3,000, it was viewed as both unwieldly and expensive."

  6. Motorola Mobility - Wikipedia

    en.wikipedia.org/wiki/Motorola_Mobility

    Motorola Mobility was formed on January 4, 2011, after a split of Motorola, Inc. into two separate companies, with Motorola Mobility assuming the company's consumer-oriented product lines (including its mobile phone business, as well as its cable modems and pay television set-top boxes), while Motorola Solutions assumed the company's enterprise ...

  7. Cell site - Wikipedia

    en.wikipedia.org/wiki/Cell_site

    A cell site, cell phone tower, cell base tower, or cellular base station is a cellular -enabled mobile device site where antennas and electronic communications equipment are placed (typically on a radio mast, tower, or other raised structure) to create a cell, or adjacent cells, in a cellular network. The raised structure typically supports ...

  8. Advanced Mobile Phone System - Wikipedia

    en.wikipedia.org/wiki/Advanced_Mobile_Phone_System

    Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort between Bell Labs and Motorola. It was officially introduced in the Americas on October 13, 1983, [ 1 ] [ 2 ] [ 3 ] and was deployed in many other countries too, including Israel in 1986 ...

  9. List of Motorola V series phones - Wikipedia

    en.wikipedia.org/wiki/List_of_Motorola_V_series...

    It was carried in the UK by Orange, O2 and T-Mobile. The V600 success led Motorola to release many more handsets in a 'V-Series', including the V180, V220, V400, V500, V505, V550, as well as custom models for carriers. The direct successor of the V600 is the V620, followed by the V635.