Evolution of Wireless Technologies: 1G to 4G

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How wireless technologies evolve from from 1G to 4G?

✍: FYIcenter.com

The 1G (1st Generation) of wireless technologies are using analog radio signals. Starting from 2G (2nd Generation) wireless technologies, radio signals are digital.

The evolution of Wireless technologies from 2G to 4G is shown in the picture below:

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