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2. List of mobile network operators in the United States

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

   This is a list of mobile network operators (MNOs) in the United States. The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members.

3. Preferred Roaming List - Wikipedia

   en.wikipedia.org/wiki/Preferred_Roaming_List

   The Preferred Roaming List (PRL) is a database residing in a wireless (primarily CDMA) device, such as a cellphone, that contains information used during the system selection and acquisition process. In the case of R-UIM-based CDMA devices, the PRL resides on the R-UIM.

4. 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.

5. U.S. Cellular - Wikipedia

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

   In January 2024, UScellular shut down its 2G/3G CDMA network with the spectrum being reallocated to its 4G LTE and 5G NR networks. [ 12 ] On May 28, 2024, T-Mobile US announced its intention to acquire most of UScellular's wireless operations, including all of the company’s customers and stores, and 30% of UScellular's wireless spectrum in a ...

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...

   Northwest Missouri Cellular LP: Operational: CDMA: Missouri [85] [8] 311: 430: Chat Mobility: RSA 1 LP: Unknown: CDMA: Former Cellular 29 Plus; [85] acquired by Chat Mobility in 2009; [182] Iowa 311: 440: Verizon Wireless: Not operational: CDMA: Former Bluegrass Cellular; Kentucky [85] [159] 311: 450: PTCI: Panhandle Telecommunication Systems ...

8. History of the iPhone - Wikipedia

   en.wikipedia.org/wiki/History_of_the_iPhone

   [77] [78] [79] The CDMA version was a bespoke model, lacking a SIM slot and with a revised metal chassis, the design of which would be reused on the iPhone 4S. [80] During Apple's official unveiling of iPhone 4S on October 4, 2011, it was announced that Sprint would begin carrying the reconfigured CDMA iPhone 4 and iPhone 4S in the US on ...

9. List of CDMA2000 networks - Wikipedia

   en.wikipedia.org/wiki/List_of_CDMA2000_networks

   CDMA service suspended starting from 31 October 2017. BSNL India: CDMA2000 1xRTT, EV-DO Rev. A 800 Mar 2005: Mar 2016 [82] [83] [84] MTS India: CDMA2000 1xRTT, EV-DO Rev. B 800 Sep 2003: Nov 2017 [85] [86] [87] RCOM India: CDMA2000 1xRTT, EV-DO Rev. A 800 May 2003: Jun 2016 [88] [89] Tata Docomo India: CDMA2000 1xRTT, EV-DO Rev. B 800 Nov 2002 ...