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A mobile phone or cellular (cell) phone is an electronic telecommunications device. Most current mobile phones connect to a cellular network of base stations (cell sites), which is in turn interconnected to the public switched telephone network (PSTN) (the exception are satellite phones). Cellular networks were first introduced in the early to mid 1980s (the 1G generation). Prior mobile phones operating without a cellular network (the so-called 0G generation), such as Mobile Telephone Service, date back to 1946. Until the mid to late 1980s, most mobile phones were sufficiently large that they were permanently installed in vehicles as car phones. With the advance of miniaturization, currently the vast majority of mobile phones are handheld. In addition to the standard voice function of a telephone, a mobile phone can support many additional services such as SMS for text messaging, packet switching for access to the Internet, and MMS for sending and receiving photos and video.

The world's largest mobile phone manufacturers include Alcatel, Audiovox, BenQ-Siemens, Dopod, Fujitsu, Kyocera, LG, Motorola, NEC, Nokia, Panasonic (Matsushita Electric), Pantech Curitel, Philips, Sagem, Samsung, Sanyo, Sharp, SK Teletech, Sony Ericsson and Toshiba.

The world's largest mobile phone operators include Orange SA and Vodafone.

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Brand New: Nokia n900: We have all kind of electronic and mobile phones and they are all brand new original sealed ... http://bit.ly/7qDD5d
chnumberone (john) Thu, 24 Dec 2009 13:07:32 -0000
Brand New: Nokia n900: We have all kind of electronic and mobile phones and they are all brand new original sealed ... http://bit.ly/7qDD5d
Brand New: Blackberry Bold 900 and Nokia n97 32gb: We have all kind of electronic and mobile phones and they are al... http://bit.ly/4o2QLy
chnumberone (john) Thu, 24 Dec 2009 13:07:31 -0000
Brand New: Blackberry Bold 900 and Nokia n97 32gb: We have all kind of electronic and mobile phones and they are al... http://bit.ly/4o2QLy
China Unicom disses the iPhone, orders more Windows Mobile, Symbian phones http://bit.ly/75708O #mobile
MobileNinja (Mobile Ninja) Thu, 24 Dec 2009 13:06:14 -0000
China Unicom disses the iPhone, orders more Windows Mobile, Symbian phones http://bit.ly/75708O #mobile
RT @seansanderson: There are more mobile phones than landlines in #Iran #iranelection
TNTIran (M.A. Scurlock) Thu, 24 Dec 2009 13:05:34 -0000
RT @seansanderson: There are more mobile phones than landlines in #Iran #iranelection
There are more mobile phones than landlines in #Iran #iranelection
seansanderson (seansanderson) Thu, 24 Dec 2009 13:04:56 -0000
There are more mobile phones than landlines in #Iran #iranelection
@kaisei49 je sai pa sinon ya sa http://www.getjar.com/mobile/28647/mobitwitter/?s=phones tarrive a mettre des truc Dan le tel ? Par le pc?
mio75 (Miodrag) Thu, 24 Dec 2009 13:04:24 -0000
@kaisei49 je sai pa sinon ya sa http://www.getjar.com/mobile/28647/mobitwitter/?s=phones tarrive a mettre des truc Dan le tel ? Par le pc?

 
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