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Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
Japanese cell phones increasingly diverged from global standards and trends to offer other forms of advanced services and smartphone-like functionality that were specifically tailored to the Japanese market, such as mobile payments and shopping, near-field communication (NFC) allowing mobile wallet functionality to replace smart cards for ...
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.
Families use cell phones to get in touch with their children by the use of e-mails and web (George, 2008). These families contact their children to know how they're redoing and entertain them in the process. Moreover, cell phone communication brings families more closely increasing the relationship between family members.
Samsung Galaxy S25 Ultra - examples of mobile devices. A mobile device or handheld device is an electronic device small enough to hold and operate in 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.
A satellite telephone, or satphone, 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 ...
Louisiana passed a law that will take effect in the 2024–2025 academic year, prohibiting the use and possession of cell phones on school property throughout the school day. If students bring phones to school, they must be turned off and stored away. Exceptions are allowed for students who need accommodations for learning purposes. [101]
The clamshell form factor is based on the hinged design of the clam.. The clamshell form factor is most closely associated with the cell phone market, as Motorola used to have a trademark on the term "flip phone", [1] but the term "flip phone" has become genericized to be used more frequently than "clamshell" in colloquial speech.