Advantages of 2G over 1G It allows voice signals to be digitized and compressed . So, they are more efficient on frequency spectrum than 1G. They introduced data services for mobile in form of SMS text messaging. Data and voice signals are digitally encrypted.28 Eyl 2018
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Drawbacks of 2G: Required strong digital signals to help mobile phones work . If there was no network coverage, digital signals weakened. Systems were unable to handle complex data like videos.6 Mar 2019
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