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
UK: Millions of customer records sold
Nov 17, 2009 |
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(AP) -- Rogue employees at a major mobile phone company illegally sold millions of customer records to rival firms, Britain's information watchdog said Tuesday.
Samsung Launches Open Mobile Platform: Samsung Bada
Nov 12, 2009 |
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Samsung Electronics today announced it will launch its own open mobile platform, Samsung Bada [bada] in December. This new addition to Samsung’s mobile ecosystem enables developers to create applications for ...
Mobile phone sales rise in 3rd quarter: study
Nov 12, 2009 |
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Global sales of mobile phones reversed a slide that began late last year and turned positive in third quarter 2009, a trend expected to accelerate thanks to smartphones, a study disclosed Thursday.
Google Latitude adds location history, alerts you when friends are nearby
Nov 11, 2009 |
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Google Latitude to find your nearby friends, you're in luck: Google updated Latitude with location history and alerts for when your friends are nearby. If you don't love your every step tracked -- well, it's ...
Nokia recalls millions of dangerous chargers
Electronics / Consumer & Gadgets
Nov 09, 2009 |
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Nokia, the world's biggest mobile phone maker, issued on Monday a global recall for 14 million faulty chargers made by a subcontractor this year.
Dutch researchers develop technology for pain monitoring
Nov 05, 2009 |
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Ten of thousands of patients suffer chronic pain as a result of operations, and this continues even after the wounds caused by the operation have healed. Researchers from the MIRA research institute - the University of Twente’s ...
Mobile phone inventor wants devices to go back to basics
Electronics / Consumer & Gadgets
Nov 04, 2009 |
3 / 5 (3) |
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The inventor of the mobile phone said Wednesday the devices have become too complex, with a range of features from cameras to music, since he made the first-ever wireless call over three decades ago.
T-Mobile says phone service outage resolved (Update)
Nov 04, 2009 |
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(AP) -- Wireless provider T-Mobile USA Inc. says it has cleared up service problems that were interfering with calls and text messaging for about 5 percent of its customers.
China Unicom eyes one million China 3G subscribers per month
Nov 03, 2009 |
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Mobile operator China Unicom said Tuesday it aimed to boost the number of its 3G mobile phone subscribers in China by one million per month, following its launch of Apple's iPhone there.
iPhone comes to China without key feature
Electronics / Consumer & Gadgets
Oct 30, 2009 |
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(AP) -- Apple's iPhone is making its long-awaited formal debut in the world's most populous mobile phone market, without a key feature and at higher prices than widely available black market models.
Little-known HTC ready to bring its brand into the limelight
Oct 29, 2009 |
5 / 5 (1) |
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If you haven't yet heard of HTC, you will soon. The Taiwanese mobile-phone company with U.S. headquarters in Bellevue, Wash., is launching a huge campaign this week to raise the profile of the HTC brand.
iPhones everywhere in China ahead of launch
Electronics / Consumer & Gadgets
Oct 28, 2009 |
3 / 5 (1) |
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At a Shanghai electronics market, row after row of iPhones -- real and fake -- are on display, as vendors cash in ahead of the official launch this week of Apple's trendy smart phone in China.
WHO study suggests link between cell phones and tumors
Oct 27, 2009 |
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(PhysOrg.com) -- Preliminary results of an International investigation by the World Health Organization (WHO) suggest there may be a "significantly increased risk" of some types of brain tumors after use of ...
Google expands availability of its free voice mail
Oct 27, 2009 |
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(AP) -- Google Inc. wants to answer your mobile phone calls when you can't or just don't want to talk.
Africa world's fastest growing mobile phone market
Oct 23, 2009 |
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(PhysOrg.com) -- Mobile phone subscriptions in Africa have defied the world economic crisis by growing faster than in any other region of the world since 2003, according to a United Nations report published ...


