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  2. 1G - Wikipedia

    en.wikipedia.org/wiki/1G

    1G refers to the first generation of mobile telecommunications standards, introduced in the 1980s. This generation was characterized by the use of analog audio transmissions, a major distinction from the subsequent 2G networks, which were fully digital .

  3. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    1G or (1-G) refers to the first generation of cellular network technology. These are the analog telecommunication standards that were introduced in 1979 and the early to mid-1980s and continued until being replaced by 2G digital telecommunications. The main difference between these two mobile telephone generations is that in 1G systems the ...

  4. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    The 2G technology was nowhere near up to the job, so the industry began to work on the next generation of technology known as 3G. The main technological difference that distinguishes 3G technology from 2G technology is the use of packet switching rather than circuit switching for data transmission. [ 48 ]

  5. Wireless - Wikipedia

    en.wikipedia.org/wiki/Wireless

    Other examples of applications of radio wireless technology include ... 1880 when Alexander Graham Bell and Charles Sumner Tainter invented the ... 1G, 2G , 3G, 4G ...

  6. John Francis Mitchell - Wikipedia

    en.wikipedia.org/wiki/John_Francis_Mitchell

    John Francis Mitchell (January 1, 1928 – June 9, 2009) was an American electronics engineer and president and chief operating officer of Motorola. [3] [4]Mitchell led the pioneering development and implementation of Motorola's mobile phone technology producing the first portable transistorized pager and cell phone.

  7. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    First-generation cellular network technology continued to expand its reach to the rest of the world. ... The MOSFET invented at Bell Labs between 1955 and 1960, [27 ...

  8. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

  9. Advanced Mobile Phone System - Wikipedia

    en.wikipedia.org/wiki/Advanced_Mobile_Phone_System

    In 2006, ADT asked the FCC to extend the AMPS deadline due to many of their alarm systems still using analog technology to communicate with the control centers. [25] Cellular companies who own an A or B license (such as Verizon and Alltel) were required to provide analog service until February 18, 2008.