Unit 8
4. List three major characteristics that differentiate 1G, 2G, 3G, and 4G cellular service.
A
B
C
A. 1G and 2G Technologies are initial stages of wireless technologies . Where maximum data speed of 2G is 64kbps.Through tis we can send only text ,picture messages.
B.3G technology data speed is between 144kbps - 2mbps , this technology is supported by smart phones.Using this 3G we can transfer audio,video files.
C.4G technology data speed is 100mbps - 1Gbps .It is extremely fast compare to 1G ,2G ,3G.It provies high security,high speed,high capacity and also low cost.
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