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  2. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    A mobile phone (or cellphone [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 ...

  3. Smartphone - Wikipedia

    en.wikipedia.org/wiki/Smartphone

    A smartphone displaying the homepage of the English Wikipedia. A smartphone (often simply called a phone) is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web ...

  4. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    A satellite phone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the line-of-sight between the phone and ...

  5. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    Mobile technology, driven by the convergence of mobile communication technology and mobile computing technology, mainly includes four types of technologies. radio-based two-way radio communication (professional or public mobile radio) or broadcast.

  6. Mobile device - Wikipedia

    en.wikipedia.org/wiki/Mobile_device

    Mobile device. An iPhone ( smartphone) and iPad ( tablet )—two examples of mobile devices. A mobile device or handheld computer is a computer small enough to hold and operate in the hand. Mobile devices are typically battery-powered and possess a flat-panel display and one or more built-in input devices, such as a touchscreen or keypad.

  7. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    Mobile phone network WCDMA network architecture. 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 ...

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