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  2. List of countries by number of mobile numbers in use

    en.wikipedia.org/wiki/List_of_countries_by...

    List of countries by number of mobile numbers in use. This list ranks the countries of the world by the number of mobile phone numbers in use. IMPORTANT NOTE: This list does NOT provide the "number of mobile phones in use." Nobody knows that data. This is a count of phone numbers by country.

  3. List of countries by smartphone penetration - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_smart...

    However, that gap will decrease by 2021, when we expect India to have 601 million smartphone users. The U.S. came in at #3, accounting for 252 million of the world’s smartphones." Rank. Country/Region. Total population. Smartphone penetration. Smartphone users. 1. United Kingdom.

  4. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    A mobile phone or cell phone[a] is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone). The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides ...

  5. List of mobile phone brands by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_phone...

    This is the list of mobile phone brands sorted by the country from which the brands originate. The number of mobile phone brands peaked to more than 750 in 2017 before declining to nearly 250 brands in 2023. [1] Bold refers to major smartphone brand. [2] [3]

  6. List of countries by 4G LTE penetration - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_4G...

    The following is a list of countries by 4G LTE coverage as measured by Juniper Networks in 2013 and published by Bloomberg. [9][10] Rank. Country/Territory. Penetration. 1. South Korea. 86.0%. 2. Japan.

  7. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    Comparison of mobile phone standards; List of sovereign states by number of broadband Internet subscriptions; List of countries by number of Internet users; List of countries by number of telephone lines in use; List of countries by smartphone penetration; List of multiple-system operators; List of telecommunications companies

  8. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    Videotelephony (also known as videoconferencing or video call) is the use of audio and video for simultaneous two-way communication. [1] There are many terms to refer to videotelephony. Videophones are standalone devices for video calling (compare Telephone). In the present day, devices like smartphones and computers are capable of video ...

  9. Telecommunications in China - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_China

    Telephone country code: 86 (see Telephone numbers in China) China imported its first mobile phone telecommunication facilities in 1987 and it took a decade for the number of subscribers to reach 10 million. Four years later, in 2001, the country had the largest number of mobile phone subscribers in the world.