History of Cell Phones

By SydneyWood

  • mobile radios

    mobile radios
    The Police Department in Detroit, Mich. begins installing mobile radios, in their squad cars. They encounter many problems such as overcrowding on the channels and terrible interference.
  • Period: to

    Cell Phones

  • At&t

    AT&T comes out with the first radio-car-phones that can be used only on the highway between New York and Boston; they are known as push-to-talk phones.

  • At&t

    At&t
    AT&T is the first company to propose a modern-day mobile-phone system to the FCC.

  • Martin Cooper

    Martin Cooper
    Dr. Martin Cooper invents the first personal handset while working for Motorola.

  • SRA

    http://www.historyofcellphones.net/SRA releases a mobile telephone whose weight was 3 kilograms.

  • first mobile phone

    first mobile phone
    nokia's first mobile phone.

  • 2G

    http://www.2g.com.au/introduction to 2G for cell phones.

  • Texting

    introuduction to text messaging

  • Bluetooth

    http://www.howstuffworks.com/bluetooth.htmintroduction to how blue tooth works.

  • Smart phones

    Smart phones
    Smart phones were made. blackberries were very popular. this is also when 3G was invented with faster phones and internet.

  • camera

    a small camera was inserted in the back of the phone.

  • iphone

    iphone
    the iphone from apple was made. it started with the first one and the made four more with many improvements. i have the 4S the newest one. it has Siri and an 8 mega pixle camera. and internet is really fast!