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  2. Scientists Determine Once and for all If Cell Phones Cause ...

    www.aol.com/scientists-determine-once-cell...

    Over the last 10 years, you may have heard rumblings about whether the radio waves emitted from your cell phone are capable of causing cancer.Now, a new review commissioned by the World Health ...

  3. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    Learn about the possible health effects of radiofrequency (RF) radiation from wireless devices such as mobile phones, WiFi networks, and 5G networks. Find out the current scientific evidence, guidelines, and precautions from WHO, IARC, FDA, and other sources.

  4. Cell site - Wikipedia

    en.wikipedia.org/wiki/Cell_site

    A cell site is a device that provides wireless communication in a cellular network by using antennas and electronic equipment on a raised structure. Learn how cell sites work, what factors affect their range and capacity, and how they are concealed or shared.

  5. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    Learn about the origins and evolution of mobile phones from the 1940s to the present. The first mobile phone service was launched in 1946 in St. Louis, Missouri, by AT&T, and the first cellular network was introduced in 1979 in Japan.

  6. List of countries by smartphone penetration - Wikipedia

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

    Compare the percentage of smartphone users in China and other countries based on Newzoo's Global Mobile Market Report. See the latest and historical rankings, population data and trends for 2022, 2021, 2020 and 2019.

  7. Fairfax County Public Schools launch cell phone storage pilot ...

    www.aol.com/news/fairfax-county-public-schools...

    As the new school year begins, Fairfax County Public Schools is implementing a new cell phone storage policy aimed at reducing distractions in the classroom. Starting today, students at 15 select ...

  8. Emergency telephone number - Wikipedia

    en.wikipedia.org/wiki/Emergency_telephone_number

    Learn about the history and usage of different emergency numbers around the world, such as 911, 112, and 999. Find out how they are configured and operated, and how they can provide location information and dispatch services.

  9. 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.

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