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  2. 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 ...

  3. A new technique can detect newer 4G ‘stingray’ cell phone ...

    techcrunch.com/.../crocodile-hunter-4g-stingray-cell

    August 5, 2020. Security researchers say they have developed a new technique to detect modern cell-site simulators. Cell site simulators, known as “stingrays,” impersonate cell towers and can ...

  4. Cellular frequencies in the United States - Wikipedia

    en.wikipedia.org/wiki/Cellular_frequencies_in...

    As cellular mobile telephone technology has evolved over time, periodically bands of frequencies are reassigned from other radio services. Companies wishing to provide cellular services in a geographic region compete for the right to license radio spectrum in spectrum auctions. Different cellular companies in the same region may use different ...

  5. 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.

  6. Dish Network suffers multi-day customer service and website ...

    www.engadget.com/dish-network-suffers-widespread...

    Sat, Feb 25, 2023 · 3 min read. Mike Blake / Reuters. For the last few days, an “ internal systems issue ” has left many of the services and websites operated by satellite television provider ...

  7. Cell site - Wikipedia

    en.wikipedia.org/wiki/Cell_site

    Cellular lattice tower A cell tower in the bush in Africa. 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.

  8. Dish hit by multiday outage after reported cyberattack

    techcrunch.com/2023/02/27/dish-outage-reported...

    The outage appears to affect Dish’s main websites, apps and customer support systems, as well as Boost Mobile, a prepaid wireless carrier acquired by Dish in 2020. Dish has about 7.6 million ...

  9. Hackers could spy on cell phone users by abusing 5G baseband ...

    techcrunch.com/2024/08/07/hackers-could-spy-on...

    August 7, 2024. A group of researchers say they have uncovered a series of security flaws in different 5G basebands — essentially processors used by cell phones to connect to mobile networks ...