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  2. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    A satellite phone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the line-of-sight between the phone and ...

  3. Your old cell phone may be worth more than you think

    www.aol.com/news/2016-05-24-your-old-cell-phone...

    There once was a time when phones that flipped open and had a keyboard were all the rave -- and now, these same phones are worth a surprising value. Your old cell phone may be worth more than you ...

  4. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).

  5. Refurbishment (electronics) - Wikipedia

    en.wikipedia.org/wiki/Refurbishment_(electronics)

    In electronics, refurbishment is the practice of restoring and testing a pre-owned electronic device so that it can be re-sold. Refurbished electronics are therefore pre-owned electronic devices (usually smartphones, tablets, or laptops), that have been tested by a reseller to confirm that they are fully working.

  6. The Best Cheap Cell Phone Plans for 2022 - AOL

    www.aol.com/best-cheap-cell-phone-plans...

    The current cheapest cell phone plans are Tello 1GB, Mint Mobile 4GB and T-Mobile 3GB, but also double check what new deals are coming out as well as if the carrier has changed any details within ...

  7. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    1971: AT&T submitted a proposal for cellular phone service to the U.S. Federal Communications Commission (FCC). 3 April 1973: Motorola employee Martin Cooper placed the first hand-held cell phone call to Joel Engel, head of research at AT&T's Bell Labs, while talking on the first Motorola DynaTAC prototype.

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