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2. Verizon (mobile network) - Wikipedia

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

   Verizon intended to retire its 2G and 3G CDMA network in favor of LTE and 5G on January 1, 2021, but made a last-minute decision to "indefinitely" halt the retirement. They later confirmed that the CDMA network will be retired on December 31, 2022.

3. Code-division multiple access - Wikipedia

   en.wikipedia.org/wiki/Code-division_multiple_access

   Code-division multiple access ( CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel. This allows several users to share a band of frequencies (see bandwidth ).

4. List of CDMA2000 networks - Wikipedia

   en.wikipedia.org/wiki/List_of_CDMA2000_networks

   KT also operates an UMTS "3G" network. LG U+ South Korea: CDMA2000 1xRTT, EV-DO Rev. B 1800 Oct 2000: Jun 2021: SK Telecom South Korea: CDMA2000 1xRTT, EV-DO Rel. 0 800 Oct 2000: Jul 2020: CDMA2000 1xEV-DO was also referred to as "2G" in South Korea, besides cdmaOne (IS-95). SKT also operates an UMTS "3G" network. Net1

5. CDMA2000 - Wikipedia

   en.wikipedia.org/wiki/CDMA2000

   CDMA2000 1X (IS-2000), also known as 1x and 1xRTT, is the core CDMA2000 wireless air interface standard.The designation "1x", meaning 1 times radio transmission technology, indicates the same radio frequency (RF) bandwidth as IS-95: a duplex pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the forward link, orthogonal to (in ...

6. 3G - Wikipedia

   en.wikipedia.org/wiki/3G

   3G is the third generation of wireless mobile telecommunications technology. It is the upgrade to 2G, 2.5G, GPRS and 2.75G Enhanced Data Rates for GSM Evolution networks, offering faster data transfer, and better voice quality. [1] This network was superseded by 4G, and later by 5G. This network is based on a set of standards used for mobile ...

7. Evolution-Data Optimized - Wikipedia

   en.wikipedia.org/wiki/Evolution-Data_Optimized

   Evolution-Data Optimized ( EV-DO, EVDO, etc.) is a telecommunications standard for the wireless transmission of data through radio signals, typically for broadband Internet access. EV-DO is an evolution of the CDMA2000 ( IS-2000) standard which supports high data rates and can be deployed alongside a wireless carrier's voice services.