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  2. Mobile phone tracking - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_tracking

    Mobile phone tracking is a process for identifying the location of a mobile phone, whether stationary or moving. Localization may be effected by a number of technologies, such as the multilateration of radio signals between (several) cell towers of the network and the phone or by simply using GNSS.

  3. Mobile phone features - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_features

    Besides the number keypad and buttons for accepting and declining calls (typically from left to right and coloured green and red respectively), button mobile phones commonly feature two option keys, one to the left and one to the right, and a four-directional D-pad which may feature a center button which acts in resemblance to an "Enter" and "OK" button.

  4. Mobile banking - Wikipedia

    en.wikipedia.org/wiki/Mobile_banking

    Challenge my mobile Number [buzzword. Key challenges in developing a sophisticated mobile banking application are : Handset accessibility. There are a large number of different mobile phone devices and it is a big challenge for banks to offer a mobile banking solution [buzzword] on any type of device.

  5. Cell site - Wikipedia

    en.wikipedia.org/wiki/Cell_site

    Type: Cellular telephone site: First production: 20th century: A cell site, cell 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.

  6. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    The most common example of a cellular network is a mobile phone (cell phone) network. A mobile phone is a portable telephone which receives or makes calls through a cell site (base station) or transmitting tower. Radio waves are used to transfer signals to and from the cell phone. Modern mobile phone networks use cells because radio frequencies ...

  7. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    A number of such services exist, which query the operator's HLR over the SS7 signalling network in order to determine the current network of a specified mobile phone number prior to attempted routing of messaging or voice traffic. Impact of MNP on mobile carriers and customers

  8. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    GSM has a fixed maximum cell site range of 120 km, which is imposed by technical limitations. This is expanded from the old limit of 35 km. Advantages of IS-95. Capacity is IS-95's biggest asset; it can accommodate more users per MHz of bandwidth than any other technology. Has no built-in limit to the number of concurrent users.

  9. Restrictions on cell phone use while driving in the United ...

    en.wikipedia.org/wiki/Restrictions_on_cell_phone...

    GPS use of cell phone is allowed if the cell phone is securely mounted and not in the driver's hand. First offense shall be subject to a fine of $100 - $200. Second and subsequent offenses shall be subject to a fine of $250 - $500 if within a 2-year period. Virgin Islands: all (primary violation) Virginia