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  2. Mobile Telephone Switching Office - Wikipedia

    en.wikipedia.org/wiki/Mobile_Telephone_Switching...

    When the MSC gets the call, it checks its database for the location of the phone. Then it picks a frequency pair the phone will use in that cell to take the call. The MSC communicates with the phone over the control channel to tell it which frequencies to use, and once the phone and the tower switch on those frequencies, the call is connected.

  3. Backhaul (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Backhaul_(telecommunications)

    This can be a local WAN connection. Cell phones communicating with a single cell tower constitute a local subnetwork; the connection between the cell tower and the rest of the world begins with a backhaul link to the core of the internet service provider's network (via a point of presence). A backhaul may include wired, fiber optic and wireless ...

  4. 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.

  5. Fake cell towers gain access to mobile phones - AOL

    www.aol.com/article/2014/09/04/fake-cell-towers...

    A high-security mobile communications company has discovered over 15 fake cell towers across the US that are capable of gaining access to people's mobile phones. The construction and abilities of ...

  6. Cell tower decision: Hampton ZBA to vote on controversial ...

    www.aol.com/cell-tower-decision-hampton-zba...

    Vertex is looking to implement a two-tower approach to boost cell service near and along Route 1 by adding coverage in Hampton and North Hampton. The company has already received approval for its ...

  7. Stingray use in United States law enforcement - Wikipedia

    en.wikipedia.org/wiki/Stingray_use_in_United...

    Initially, the use of stingray phone trackers was a secret, due to a number of non-disclosure agreements between individual police departments and the Federal Bureau of Investigation. [4] According to the American Civil Liberties Union , the FBI entered into agreements with at least 48 police departments in the United States.

  8. Cell site - Wikipedia

    en.wikipedia.org/wiki/Cell_site

    Cellular lattice tower A cell tower in Peristeri, Greece. 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.

  9. IMSI-catcher - Wikipedia

    en.wikipedia.org/wiki/IMSI-catcher

    A targeted mobile phone is sent signals where the user will not be able to tell apart the device from authentic cell service provider infrastructure. [16] This means that the device will be able to retrieve data that a normal cell tower receives from mobile phones if registered.