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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).
A Nexus 6, an Android smartphone, displaying the Main Page of the English Wikipedia. A smartphone is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities.
Rank Operator Technology Subscribers (in millions) Ownership 1: BTC: GSM-850/1900 (GPRS, EDGE) 850 MHz UMTS, HSPA+ 700 MHz LTE: 0.31 [15] (March 2017): Liberty Latin America [2] (49% of ownership, 51% of voting rights), [14]
Belgium ()Botswana ()Cameroon ()Central African Republic (Orange) Democratic Republic of the Congo (Orange) Dominican Republic (Orange) Egypt ()Equatorial Guinea (Orange)
The J-SH04 was a mobile phone made by Sharp Corporation and released by J-Phone (SoftBank Mobile).It was only available in Japan, and was released in November 2000.It was Japan's second phone with a built-in, back-facing camera.
Rankings Country or regions # of phone numbers Population Phone #'s/100 citizens Date of evaluation World: 7,950,000,000+ 7,621,018,958 104.32 2019/12 [1] [2]: 1
A cellular network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called cells, each served by at least one fixed-location transceiver (such as a base station).
Douglas H. Ring (March 28, 1907 in Montana – September 8, 2000 in Red Bank, New Jersey) was one of the Bell Labs engineers that invented the cell phone.The history of cellular phone technology began on December 11, 1947 with an internal memo written by Douglas H. Ring in which he proposed development of a cellular telephone system by AT&T. [1]