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  2. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Comparison of mobile Internet access methods Common name Family Primary use Radio tech Downstream (Mbit/s) Upstream (Mbit/s) Notes HSPA+: 3GPP: Mobile Internet: CDMA/TDMA/FDD MIMO: 21 42 84 672: 5.8 11.5 22 168: HSPA+ is widely deployed. Revision 11 of the 3GPP states that HSPA+ is expected to have a throughput capacity of 672 Mbit/s. LTE: 3GPP ...

  3. Comparison of mobile operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile...

    Google, Open Handset Alliance. Apple Inc. Huawei. Linux Foundation, Tizen Association, Samsung, Intel. KaiOS Technologies Inc. ( TCL) Sailfish Alliance, Mer, Jolla and Sailfish community contributors. UBports and Ubuntu community contributors (previously Canonical Ltd. ) Debian on Mobile Team. KDE and Blue Systems.

  4. Comparison of VoIP software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_VoIP_software

    This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York ...

  5. Comparison of user features of messaging platforms - Wikipedia

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

    SMS ( short message service) is a text messaging service component of most telephone, Internet, and mobile device systems. It uses standardized communication protocols to enable mobile devices to exchange short text messages. An intermediary service can facilitate a text-to-voice conversion to be sent to landlines.

  6. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Mobal is one of the world's longest running cell phone providers and was founded in 1989". [324] Naked Mobile: Cellular One of NE AZ, AT&T, T-Mobile [329] Personal, Lifeline: AZ, NM, UT Yes Yes. The SIM should work in a hotspot but they don't sell any themselves Yes No. Their highest plan only goes up to 60 GB of fast data Yes. Unlimited "2G ...

  7. List of open-source mobile phones - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source_mobile...

    There are also devices using Ubuntu Touch and Droidian which are using GNU/Linux and Android hardware adaptation layer Halium. [11] Phones natively running these are included. There are multiple projects to implement mainline Linux on mobile phones. Mobian is an open-source project focusing on Debian GNU/Linux on mobile devices.

  8. Personal digital assistant - Wikipedia

    en.wikipedia.org/wiki/Personal_digital_assistant

    The Palm TX. A personal digital assistant (PDA) is a multi-purpose mobile device which functions as a personal information manager. Following a boom in the 1990's and 2000's, PDA's were mostly displaced by the widespread adoption of more highly capable smartphones, in particular those based on iOS and Android in the late 2000's, and thus saw a rapid decline.

  9. Mobile operating system - Wikipedia

    en.wikipedia.org/wiki/Mobile_operating_system

    Mobile operating system. A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing devices. While computers such as typical/mobile laptops are "mobile", the operating systems used on them are usually not considered mobile, as they were originally ...