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  2. Communication during the September 11 attacks - Wikipedia

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

    Following the attacks, the issues with the cell network weren't resolved until 36 cellular COWs (cell towers on wheels) were deployed by September 14, 2001, in Lower Manhattan to support the U.S. Federal Emergency Management Agency (FEMA) and provide critical phone service to rescue and recovery workers.

  3. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    A mobile phone connects to the telephone network by radio waves exchanged with a local antenna and automated transceiver called a cellular base station (cell site or cell tower). The service area served by each provider is divided into small geographical areas called cells , and all the phones in a cell communicate with that cell's antenna.

  4. Wireless home phone - Wikipedia

    en.wikipedia.org/wiki/Wireless_home_phone

    Wireless home phone. A wireless home phone service is a service that allows a regular wired telephone to connect to a cellular network, as if it were a mobile phone. [1][2] It is an example of a wireless last mile connection to the public switched telephone network, also known as a wireless local loop. A small device, about the size of a home ...

  5. PrimeCo - Wikipedia

    en.wikipedia.org/wiki/PrimeCo

    PrimeCo Personal Communications, L.P. (later known as Chicago 20 MHz, LLC[1]) was a joint venture of Bell Atlantic, Nynex, US West and AirTouch Communications, and was the first wireless telecommunications provider to turn up CDMA service on the PCS (1900-MHz) band in November 1996. [2] When the company was founded, it had its headquarters in ...

  6. Near-field communication - Wikipedia

    en.wikipedia.org/wiki/Near-field_communication

    This chip is commonly found in smartphones and other NFC devices. Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [ 1 ] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of ...

  7. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    A mobile phone or cell phone[ a ] is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone). The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which ...

  8. magicJack - Wikipedia

    en.wikipedia.org/wiki/MagicJack

    MagicJack, also known as magicJack, is a service that allows people in the United States and Canada to make phone calls over the Internet. This type of phone service is called Internet-based telephone service (VoIP). Originally, MagicJack required a computer to work. Users connected a small device to their computer, and with an internet ...

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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