Modification in mobile features is responsible for the evolution of mobile communication generation such as 1G, 2G, 3G, 4G, and 5G technologies which are further integrated using GSM, GPRS technologies.
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The very first generation of commercial cellular network was introduced in the late 70’s with fully implemented standards being established throughout the 80’s . The radio signals used by 1G are analogue, meaning the voice of a call is modulated to a higher frequency rather than being encoded to digital signals.
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