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  2. 5G - Wikipedia

    en.wikipedia.org/wiki/5G

    Wireless network technologies. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones. Like its predecessors, 5G networks are cellular networks, in ...

  3. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile phones than wired devices. [1] The history of mobile phones covers mobile communication devices that connect wirelessly to the ...

  4. List of Italian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Italian_inventions...

    Espresso: a coffee-brewing method. Nutella, spread made from cocoa, hazelnuts and palm oil; created by the Ferrero firm in 1964. Mozzarella: southern Italian cheese made from Italian buffalo's milk by the pasta filata method. Marinara sauce: tomato sauce made with tomatoes, garlic, herbs and onions.

  5. List of wireless network technologies - Wikipedia

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

    The North American Standards IS-54 and IS-136 were also second-generation (2G) mobile phone systems, known as (Digital AMPS) and used TDMA with three time slots in each 30 kHz channel, supporting 3 digitally compressed calls in the same spectrum as a single analog call in the previous AMPS standard. This was later changed to 6 half rate time ...

  6. History of telecommunication - Wikipedia

    en.wikipedia.org/wiki/History_of_telecommunication

    The history of telecommunication began with the use of smoke signals and drums in Africa, Asia, and the Americas. In the 1790s, the first fixed semaphore systems emerged in Europe. However, it was not until the 1830s that electrical telecommunication systems started to appear. This article details the history of telecommunication and the ...

  7. 6G - Wikipedia

    en.wikipedia.org/wiki/6G

    In telecommunications, 6G is the designation for a future technical standard of a sixth-generation technology for wireless communications.. It is the planned successor to 5G (ITU-T IMT-2020), and is currently in the early stages of the standardization process, tracked by the ITU-T as IMT-2030 [1] with the framework and overall objectives defined in recommendation ITU-R M.2160-0.

  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. Science and technology in Italy - Wikipedia

    en.wikipedia.org/.../Science_and_technology_in_Italy

    Science and technology in Italy has a long presence, from the Roman era and the Renaissance. Through the centuries, Italy has advanced the scientific community which produced many significant inventions and discoveries in biology, physics, chemistry, mathematics, astronomy, and the other sciences. In 2019, Italy was the 6th world producer of ...