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  2. Satellite phone - Wikipedia

    en.wikipedia.org/wiki/Satellite_phone

    A satellite telephone, satellite phone or satphone 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 ...

  3. How to use iPhone emergency SOS satellite messaging ... - AOL

    www.aol.com/iphone-emergency-sos-satellite...

    Android satellite messaging. According to Google, their line of Pixel 9 devices are currently the only devices with the ability to contact emergency services via satellite.The device also needs to ...

  4. Comparison of user features of messaging platforms - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_user...

    Comparison of user features of messaging platforms refers to a comparison of all the various user features of various electronic instant messaging platforms. This includes a wide variety of resources; it includes standalone apps, platforms within websites, computer software, and various internal functions available on specific devices, such as iMessage for iPhones.

  5. GEO-Mobile Radio Interface - Wikipedia

    en.wikipedia.org/wiki/GEO-Mobile_Radio_Interface

    GEO-Mobile Radio Interface (GEO stands for Geostationary Earth Orbit), better known as GMR, is an ETSI standard for satellite phones. The GMR standard is derived from the 3GPP-family terrestrial digital cellular standards and supports access to GSM/UMTS core networks. It is used by ACeS, ICO, Inmarsat, SkyTerra, TerreStar and Thuraya. [1]

  6. Iridium satellite constellation - Wikipedia

    en.wikipedia.org/wiki/Iridium_satellite...

    The Iridium system was designed to be accessed by small handheld phones, the size of a cell phone. While "the weight of a typical cell phone in the early 1990s was 10.5 ounces" [6] (300 grams) Advertising Age wrote in mid 1999 that "when its phone debuted, weighing 1 pound (453 grams) and costing $3,000, it was viewed as both unwieldly and expensive."

  7. Study shows kids do better in school when smartphones are banned

    www.aol.com/lifestyle/2015-05-18-study-shows...

    Phones in school are impeding the learning process. A study by the London School of Economics, looked at the phone policies of 91 schools, impacting 130,000 students, since 2001. Your kids are not ...

  8. Mobile telephony - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephony

    Mobile phone usage is banned in some countries, such as North Korea and restricted in some other countries such as Burma. [40] Given the high levels of societal mobile phone service penetration, it is a key means for people to communicate with each other. The SMS feature spawned the "texting" sub-culture amongst younger users. In December 1993 ...

  9. Schools are spending millions to keep kids' phones locked up

    www.aol.com/news/schools-41-states-spent...

    About half of kids ages 11 to 17 get at least 237 notifications on their phones in a typical day, and of those notifications, 25% arrive during the school day, according to a report this year from ...