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What is the use of 4-G ?
A 4G system providesmobile ultra-broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices. Conceivable applications include amendedmobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing and 3D television. 4G is the fourth generation of cell phone mobile communications standards. It is a successor of the third generation (3G) standards


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