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History of Mobile Phone Evolution by pauline_manabat is a document available to read on EtoBox.

What is History of Mobile Phone Evolution about?

The document traces the evolution of cell phones from their origins as walkie-talkies and mobile radios used by the military in the 1930s-40s, weighing over 25 pounds. It discusses early commercial mobile phone systems in the 1940s-50s weighing over 80 pounds. The first handheld mobile phone was the Motorola DynaTAC introduced in 1973, weighing around 2 pounds and costing nearly $4,000. Major advances and adoption occurred in the 1980s-90s including smaller sizes, longer battery life, and additional feature

Author

pauline_manabat

Language

EN