In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone. In 1979, Nippon Telegraph and Telephone (NTT) launched the world's first cellular network in Japan. Mitchell and Martin Cooper of Motorola in New York City in 1973, using a handset weighing c. The first handheld mobile phone was demonstrated by John F.
The development of metal-oxide-semiconductor (MOS) large-scale integration (LSI) technology, information theory and cellular networking led to the development of affordable mobile communications. Mobile phones offering only those capabilities are known as feature phones mobile phones which offer greatly advanced computing capabilities are referred to as smartphones. In addition to telephony, digital mobile phones ( 2G) support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications ( infrared, Bluetooth), business applications, video games and digital photography. Modern mobile telephone services use a cellular network architecture and, therefore, mobile telephones are called cellular telephones or cell phones in North America. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN).
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Two decades of evolution of mobile phones, from a 1992 Motorola 8900X-2 to the 2014 iPhone 6 PlusĪ mobile phone, cellular phone, cell phone, cellphone, handphone, hand phone or pocket phone, sometimes shortened to simply mobile, cell, or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
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