City Pedia Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. Martin Cooper (inventor) - Wikipedia

    en.wikipedia.org/wiki/Martin_Cooper_(inventor)

    Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to ...

  5. 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

  6. Missed communications and blocked evacuation routes ... - AOL

    www.aol.com/missed-communications-blocked...

    Missed communications and blocked evacuation routes: New report details problems and heroism from Maui’s disastrous wildfires Holly Yan, CNN April 17, 2024 at 11:04 PM

  7. 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."

  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. Motorola i920/i930 - Wikipedia

    en.wikipedia.org/wiki/Motorola_i920/i930

    With the i920 or the i930, one phone, one phone number can be used at any part of the world which has a GSM network. The phone won't be made available to either Boost Mobile or Southern Linc networks, given that Boost Mobile is a prepaid service and Southern Linc is a regional carrier serving mainly Alabama and Georgia.