City Pedia Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. 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 ...

  3. Comparison of mobile phone standards - Wikipedia

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

    GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM . Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals.

  4. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    4G provides, in addition to the usual voice and other services of 3G, mobile broadband Internet access, for example to laptops with wireless modems, to smartphones, and to other mobile devices. Potential and current applications include amended mobile web access, IP telephony , gaming services, high-definition mobile TV , video conferencing, 3D ...

  5. List of open-source mobile phones - Wikipedia

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

    KDE Plasma Mobilerunning on postmarketOS on the Nexus 5. postmarketOS, Ubports, and KDE Neonare open-source distributions running on existing smartphones originally running Android. Maemo Lesteis available for Nokia N900 and Motorola Droid 4.

  6. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    Android, a mobile OS developed by Google, is the first completely open-source mobile OS, meaning that it is free to any cell phone mobile network. Since 2008 customizable OSs allow the user to download apps like games, GPS, utilities, and other tools. Users can also create their own apps and publish them, e.g. to Apple's App Store.

  7. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    Voice over Long-Term Evolution ( acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [ 1][ 2] VoLTE has up to three times more voice and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet headers are ...

  8. LTE (telecommunication) - Wikipedia

    en.wikipedia.org/wiki/LTE_(telecommunication)

    v. t. e. In telecommunications, long-term evolution ( LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM / EDGE and UMTS / HSPA standards. It improves on those standards' capacity and speed by using a different radio interface and core network improvements.

  9. Cellular frequencies in the United States - Wikipedia

    en.wikipedia.org/wiki/Cellular_frequencies_in...

    There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.