Mobile Phone

A mobile phone (also known as a cellular phone, cell phone and a hand phone) is a device that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. By contrast, a cordless telephone is used only within the short range of a single, private base station.

In addition to telephony, modern mobile phones also support a wide variety of other services such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming and photography. Mobile phones that offer these and more general computing capabilities are referred to as smartphones.

The first hand-held mobile phone was demonstrated by John F. Mitchelland Dr Martin Cooper of Motorola in 1973, using a handset weighing around 2.2 pounds (1 kg). In 1983, the DynaTAC 8000x was the first to be commercially available. From 1990 to 2011, worldwide mobile phone subscriptions grew from 12.4 million to over 6 billion, penetrating about 87% of the global population and reaching the bottom of the economic pyramid.

Read more about Mobile PhoneHistory, Features, Mobile Phone Operators, Manufacturers, Health Effects, Future Evolution, Environmental Impact

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... The mobile phone industry in China has grown to become a large industry, including research of new technology, manufacturing of cell phones and building of telephone networks, participated by not only the ... ZTE and China Mobile have done turnkey mobile phone network projects in Pakistan, Ethiopia, etc ...
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... See also Mobile phone recycling Studies have shown that around 40-50% of the environmental impact of a mobile phone occurs during the manufacturing of the printed wiring boards and integrated circuits ... After purchase, the average user then replaces their mobile phone every 11 to 18 months ... The discarded phones then contribute to electronic waste ...

Famous quotes containing the words phone and/or mobile:

    If I play hard to get, soon the phone stops ringing altogether.
    Mason Cooley (b. 1927)

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