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2. List of mobile network operators in the United States

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

   CDMA: CDMA2000, EV-DO: 13 (at peak) September 2013: Acquired by Verizon Wireless and AT&T Mobility. [39] AT&T Wireless Services: GSM: EDGE: 22: October 2004: Acquired by Cingular Wireless, which later rebranded to AT&T Mobility. [40] Big Sky Mobile: GSM: EDGE: Unknown: 2017: Sold spectrum licenses to AT&T and T-Mobile and exited the business ...

3. List of CDMA2000 networks - Wikipedia

   en.wikipedia.org/wiki/List_of_CDMA2000_networks

   CDMA service suspended starting from 31 October 2017. BSNL ... Spectrum re-allocated for E-GSM 900 (Band 8). Net 1

4. List of mobile network operators of the Americas - Wikipedia

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

   Technologies like AMPS, TDMA, iDEN and CDMA 1x/EV-DO were used in the past by some of those networks and have been phased out in favor of newer systems. On 20 April 2022, Oi ’s mobile network operations were sold to the country's three largest carriers, Vivo , Claro and TIM . [ 36 ]

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. List of mobile network operators - Wikipedia

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

   This is a list of the world's thirty largest terrestrial mobile phone network operators measured by number of subscriptions. ... CDMA, EV-DO, GSM, GPRS, EDGE, UMTS ...

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

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

   GSM 850 / GSM 1900 / UMTS 850 / LTE 1700 / LTE 1900 / LTE 2600 / 5G 3500: CDMA 1900 shut down in 2014 [8] [75] [78] 370: 03: Altice: Altice Group: Operational: AMPS / CDMA 850: Former Tricom, S.A, 1900 MHz spectrum returned to regulator [77] 370: 04: Viva: Trilogy Dominicana, S.A. Operational: CDMA 1900 / GSM 1900 / UMTS 1900 / LTE 1700: Former ...

9. List of mobile network operators in Asia and Oceania

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

   This is a list of all mobile phone carriers in the Asia Pacific Region and their respective number of subscribers. ... GSM-900/1800 MHz ... Data CDMA Communication Co ...