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Mobile radio telephone systems proceded recent cellular mobile telephone technology. Because they were the predecessors of the first generation of cellular telephones, these systems are sometimes retroactively referred to as pre cellular (or 0G) systems.
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1G refers to the first generation of wireless telephone technology. These are the analog telecommunications standards that were introduced in the 1980s
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2G is short for second-generation wireless telephone technology. Second generation 2G cellular telecom networks were commercially launched on the GSM standard in Finland by Radiolinja in 1991.
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First text
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First colour screen
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First camera phone
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3G, short form of third generation, is the third generation of mobile telecommunications technology. 3G finds application in wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV.
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First picture sending phone
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A tiny bit better than 3G and on its way to 4G
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4G provides, mobile broadband Internet access, to smartphones, and to other mobile devices. 4G includes :amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, 3D television, and cloud computing.
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Better that the 4G, almost perfect
