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The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
Martin Cooper, a former general manager for the systems division at Motorola, led a team that produced the DynaTAC 8000X, the first commercially available cellular phone small enough to be easily carried, and made the first phone call from it. Martin Cooper was the first person to make an analog cellular mobile phone call on a prototype in 1973.
That first cell phone began a fundamental technology and communications market shift to making phone calls to a person instead of to a place. [6] [19] Bell Labs had introduced the idea of cellular communications in 1947, but their first systems were limited to car phones which required roughly 30 pounds (12 kg) of equipment in the trunk. [21]
Defunct mobile phone companies of the United States (2 C, 32 P) I. ITT Inc. (1 C, 38 P, 1 F) M. MCI Communications (12 P) O. Oak Industries (1 C, 5 P) Pages in ...
1991: the GSM mobile phone network is started in Finland, with the first phone call in Tampere. [45] 1993: Telecom Relay Service available for the disabled; 1994: The IBM Simon becomes the first smartphone on the market. 1995: Caller ID implemented nationally in USA; 1999: creation of the Asterisk Private branch exchange
There once was a time when phones that flipped open and had a keyboard were all the rave -- and now, these same phones are worth a surprising value. Your old cell phone may be worth more than you ...
The Mobira Cityman 150, Nokia's NMT-900 mobile phone from 1989 (left), compared to the Nokia 1100, a GSM phone from 2003. [19] [20] In 1979, Nokia and Salora established a joint venture, "Mobira Oy". [21] Mobira developed mobile phones for the Nordic Mobile Telephone (NMT) network, called the "1G" and was the first fully automatic cellular ...