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The Evolution of Mobile Phones: From 1947 to 3G Technology

Discover the fascinating history of mobile phones, starting from the conceptualization of cellular communication by AT&T Bell Labs in 1947, to the groundbreaking invention of the first portable cell phone, the Motorola DynaTac 8000, by Dr. Martin Cooper in 1973. Learn about the subsequent generations of mobile technology, including the transition from analog systems to digital GSM and SMS in 2G, and the advancements brought by 3G. This journey through time highlights the innovations that have shaped our modern communication landscape.

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The Evolution of Mobile Phones: From 1947 to 3G Technology

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Presentation Transcript

  1. MobilePhoneHistory Presented by Duangta

  2. Howto……invented Joel Engel Richard Frenkel Today’s communications industrial would not be what it is , with out these two persons In 1947 AT& T Bell Labs introduce the Idea of cellular communication In 1970’s AT&T Labs and Motorola : Incorporate the phone Technology into portable devices.

  3. Early Years

  4. Launch of mobile phone The first cell phone 1973 Motorola Dyna Tac 8000 Size 9 x 5 x 1.75 inches Weight 2.5 pounds No display , talk time 35 minute Recharge time 10 hours Features: Talk and listen only Dr. Martin Cooper is the inventor of first portable handset and made the first phone call in April 1973

  5. A Generation of Mobile Phones G1 ( First Generation ) Analog System Hexagon cell base station

  6. 2 G (Second Generation) • GSM System • SMS • Some Function

  7. 3 G (Third Generation)

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