A mobile phone or cell phone is a portable electronic device that works wirelessly (via radio) based on GSM network and is generally used for long distance personal communications . Portable phones that are not based on GSM network should not be called “mobile”, although they are moved, see below.
Continuous miniaturization allowed today in mobile phones to be more integrated a number of additional functions, eg. Dictaphone, camera and film, Internet access and web camera, GPS, radio and more, resulting in a new kind of mobile phone very “smart”, called smartphone.
Became portable phone 20 February 1942, when Donald M. Mitchell demanded the release of a patent for his mobile phone, “Portable Radio transmission and reception”. The transmitted using short wave, have a limited range and weighing not less than 2.5 kg. They passed 35 years before cell phones began to be widely used by ordinary people. Mobile phone is considered the first inventor Dr. Martin Cooper, the former manager of the Motorola system. The first call from a mobile phone was made by Cooper on 3 April 1973. Only in 1983 Motorola introduced the first commercial mobile phone in the world, Dyna TAC 8000x.
Today, cell phone or mobile communications based on standard and GSM network.
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