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  2. List of CDMA2000 networks - Wikipedia

    en.wikipedia.org/wiki/List_of_CDMA2000_networks

    Exclusive use for M2M, emergency communication and Smart Metering. Alliander Netherlands: CDMA2000 1xRTT, EV-DO Rev. A 450 May 2016: 3 MHz [5] [6] Private network for critical infrastructure. Exclusive use for M2M communication and Smart Metering. 450connect Germany: CDMA2000 1xRTT, EV-DO Rev. A 450 Nov 2016: 2x 1,25 MHz [7] [8] [9] [10]

  3. List of mobile network operators in the United States

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

    Sold spectrum licenses to Verizon Wireless and Eltopia Communications and became a Verizon Wireless MVNO. Fuego Wireless: LTE: Unknown: 2016: Sold network and spectrum licenses to AT&T and Infrastructure Networks [59] Golden State Cellular: CDMA2000: EV-DO: 0.018 [60] 2014: Acquired by Verizon Wireless. [61] Indigo Wireless: GSM, UMTS: EDGE ...

  4. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    In other words, unlike synchronous CDMA, the signals of other users will appear as noise to the signal of interest and interfere slightly with the desired signal in proportion to number of users. All forms of CDMA use the spread-spectrum spreading factor to allow receivers to partially discriminate against unwanted signals. Signals encoded with ...

  5. Comparison of mobile phone standards - Wikipedia

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

    In 3G, the most prevalent technology was UMTS with CDMA-2000 in close contention. All radio access technologies have to solve the same problems: to divide the finite RF spectrum among multiple users as efficiently as possible. GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM.

  6. 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.

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

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

    This article's use of external links may not follow Wikipedia's policies or ... Verizon Wireless: Not operational: CDMA: Former Bluegrass Cellular; Kentucky [85] [159 ...

  8. U.S. Cellular - Wikipedia

    en.wikipedia.org/wiki/U.S._Cellular

    Previously T-Mobile U.S. was used for LTE and 5G, but at the end of 2022 roaming service has been discontinued with them. UScellular also used Verizon for 1X and 3G roaming, but this has also since been discontinued as Verizon shut down its CDMA network at the end of 2022. [22]

  9. Verizon (wireless service) - Wikipedia

    en.wikipedia.org/wiki/Verizon_(wireless_service)

    Verizon Family Locator is a subscription-based service and app can be used to track the locations of family members on a map for up to 10 devices. [102] [103] Verizon Family Base allows parents to restrict when and how their children use their phones, view their children's contacts and lock the devices.

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