Mobile phone
hideA mobile phone or mobile (also called cellphone and handphone, as well as cell phone, wireless phone, cellular phone, cell, cellular telephone, mobile telephone or cell telephone) is a long-range, electronic device used for mobile voice or data communication over a network of specialized base stations known as cell sites. In addition to the standard voice function of a mobile phone, telephone, current mobile phones may support many additional services, and accessories, such as SMS for text messaging, email, packet switching for access to the Internet, gaming, Bluetooth, infrared, camera with video recorder and MMS for sending and receiving photos and video, MP3 player, radio and GPS. Most current mobile phones connect to a cellular network consisting of switching points and base stations (cell sites) owned by a mobile network operator (the exception is satellite phones, which are mobile but not cellular).
As opposed to a radio telephone, a mobile phone offers full duplex communication, automatised calling to and paging from a public switched telephone network (PSTN), handoff (am. English) or handover (European term) during a phone call when the user moves from one cell (base station coverage area) to another. A mobile phone offers wide area service, and should not be confused with a cordless telephone, which also is a wireless phone, but only offer telephony service within a limited range, e.g. within a home or an office, through a fixed line and a base station owned by the subscriber.
The International Telecommunication Union estimated that mobile cellular subscriptions worldwide would reach approximately 4.1 billion by the end of 2008. Mobile phones have gained increased importance in the sector of Information and communication technologies for development in the 2000s and have effectively started to reach the bottom of the economic pyramid.
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News tagged with mobile phone
Apple's iPhone set to make splash in South Korea
Nov 27, 2009 |
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(AP) -- The iPhone's arrival in South Korea is generating considerable buzz among consumers and industry watchers amid expectations it will shake up a market dominated by world-beating domestic manufacturers.
Lenovo buying back mobile phone business
Nov 27, 2009 |
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(AP) -- Personal computer maker Lenovo Group said Friday it is joining the race to develop products that link phones and PCs by buying back a mobile phone business that it sold last year.
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iPhone's debut in S.Korea means paradigm shift: experts
9 hours ago |
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Apple's top selling iPhone made its debut in South Korea Saturday with experts saying the iconic smartphone is likely to serve as a wake-up call for an IT industry basking in an isolated market.
Gift Guide: Accessories to jazz up mobile phones
Electronics / Consumer & Gadgets
Nov 27, 2009 |
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People you know have spent small fortunes on shiny new smart phones such as the iPhone 3GS, a BlackBerry or the Droid. But the devices still don't have all the features they want.
Bling bling with your ring ring: Dekoden craze sees cell phones get a touch of glitz, glamour
Electronics / Consumer & Gadgets
Nov 27, 2009 |
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Cell phone owners are ringing the changes and putting a smile on their dial by adorning their mobiles with ornamental stickers, charms and beads -- and the craze just keeps getting bigger.
Teachers begin using cell phones for class lessons
23 hours ago |
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(AP) -- Ariana Leonard's high school students shuffled in their seats, eagerly awaiting a cue from their Spanish teacher that the assignment would begin. "Take out your cell phones," she said in Spanish.
Cellphone powers back pain chip in Taiwan
Nov 27, 2009 |
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Taiwanese researchers have developed a chip to treat backpain that is powered by mobile phone, a member of the team said Friday.
GPS cell phone apps challenge standalone devices
Electronics / Consumer & Gadgets
1hour ago |
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(AP) -- The growth of cell phones with global-positioning technology is making life uncertain for the makers of personal navigational devices that help drivers figure out where they are and where to go.
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