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  2. Comparison of mobile phone standards - Wikipedia

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

    Unlimited cell size, low transmitter power permits large cells Very low density Soft No EVDO / Yes SVDO [2] 3G: W-CDMA: UMTS (3GSM) Digital: 2001 Worldwide SIM card: None Smaller cells and lower indoors coverage on 2100 MHz; equivalent coverage indoors and superior range to GSM on 850/900 MHz. Very low density Soft Yes [3] 4G: OFDMA: LTE ...

  3. List of mobile network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_network...

    Four of the top five wireless providers have all standardized on 4G LTE and 5G NR as their wireless communication standards, whereas Boost Mobile uses only 5G NR.Of which, LTE has been deployed across their entire coverage area; however, the LTE bands used by each provider remain largely incompatible.

  4. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    This is a list of the world's five largest satellite phone network operators measured by number of subscribers. ... Proprietary FDMA/GSM: 0.260 (December 2007) [38 ...

  5. List of countries by number of mobile numbers in use

    en.wikipedia.org/wiki/List_of_countries_by...

    This list ranks the countries of the world by the number of mobile phone numbers in use. As an important caveat, this list does not provide the number of mobile phones in use. It is common for each SIM card has a separate phone number, so phones with multiple SIM cards will have multiple phone numbers.

  6. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    The effect of frequency on cell coverage means that different frequencies serve better for different uses. Low frequencies, such as 450 MHz NMT, serve very well for countryside coverage. GSM 900 (900 MHz) is suitable for light urban coverage. GSM 1800 (1.8 GHz) starts to be limited by structural walls.

  7. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    GSM is the world's predominant mobile phone standard. The design of the service is moderately complex because it must be able to locate a moving phone anywhere in the world, and accommodate the relatively small battery capacity, limited input/output capabilities, and weak radio transmitters on mobile devices.

  8. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Users can now switch carriers and keep their cell phone numbers, including prefix 89: Telenor (Bulgaria) Users can now switch carriers and keep their cell phone numbers, including prefix 988: Other mobile networks: Users can now switch carriers and keep their cell phone numbers, including prefix Burkina Faso +226: 70: 8: Telmob: 71: 72: 74 ...

  9. List of countries by 4G LTE penetration - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_4G...

    Rank Country/Territory Penetration 1 South Korea 97.5% 2 Japan 96.3% 3 Norway 95.5% 4 Hong Kong 94.1% 5 United States 93.0% 6 Taiwan 92.8% 7 Netherlands 92.8% 8 Hungary 91.4%

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