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A mobile or cell(ular) (tele)phone is a long-range, portable electronic device for peer-to-peer telecommunications over long distances. Ver tema anteriorVer tema siguiente Volver arriba.

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. Dave Nalle: Are you saying that the activities of the US. 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 Audiovox, BenQ-Siemens, High Tech Computer Corporation, Fujitsu, Kyocera, LG, Motorola, NEC, Nokia, Panasonic (Matsushita Electric), Pantech Curitel, Philips, Sagem, Samsung, Sanyo, Sharp, SK Teletech, Sony Ericsson, T&A Alcatel and Toshiba.

The world's largest mobile phone operators include Orange SA, China Mobile and Vodafone. Till salu.

There are also specialist communication systems related to, but distinct from mobile phones, such as Professional Mobile Radio.