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  2. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    Montana; former Get Mobile Inc., [87] SmartCall, LLC; acquired by T-Mobile in 2017; [150] MNC withdrawn [115] 310: 310: T-Mobile: Not operational: GSM 1900: Formerly Aerial Communications [84] 310: 311: Farmers Wireless: Not operational: GSM 1900: NE Alabama; acquired by AT&T in 2008 310: 320: Cellular One: Smith Bagley, Inc. Operational: GSM ...

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

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

    Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

  4. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  5. T-Mobile US - Wikipedia

    en.wikipedia.org/wiki/T-Mobile_US

    On January 22, 2014, T-Mobile announced that it would expand its products into banking. T-Mobile would provide Visa card with banking features and a smartphone money management application with reduced-fee or zero-cost services for T-Mobile wireless customers. In addition, customers would have access to over 42,000 ATMs with no fees. [183]

  6. Comparison of mobile phone standards - Wikipedia

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

    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: Digital: 2009 Worldwide SIM card: None Smaller cells and lower coverage on the S band. Very low density Hard No ...

  7. 3G - Wikipedia

    en.wikipedia.org/wiki/3G

    3G telecommunication networks support services that provide an information transfer rate of at least 144 kbit/s. [2] [3] Later 3G releases, often referred to as 3.5G and 3.75G , introduced important improvements, enabling 3G networks to offer mobile broadband access with speeds ranging from several Mbit/s up to 42 Mbit/s. [4]

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