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the history of cell phones

By whyamidoing

  • first cell phone

    first cell phone
    martin cooper called Joel S. enegel with the first handheld cell phone prototype. it took ten hours to charge and gave 3o minutes of chat time.

  • liftoff

    liftoff
    the dynaTAC800x was launched by ameritech to the world after a decade of development. it cost 100m to develop
  • Period: to

    2Gs and 3Gs

    through the 1990s to around 2009, more and more phones were being sold like the 1993 IBM Simon, and others until around 2001 is when they made 3G phones like blackberry. by 2009 they made 4G networks.

  • now

    now
    now we use satellite networks like sprint or Verizon, helping us make phones like iPhone's and more