Mobile Gs

Very confused myself on mobile tech terminologies, even I am self-declared a ‘IT literate’ guy. here is a simple cheat sheet:

  • 2G        GSM Global service mobile??
  • 2.5G     GPRS General Pocket Radio Service
  • 2.75G  EDGE Enhanced Data GSM Evolution?
  • 3G        UMTS ??? CDMA2000 ??
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