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Verizon is an American wireless network operator that previously operated as a separate division of Verizon Communications under the name Verizon Wireless. In a 2019 reorganization, Verizon moved the wireless products and services into the divisions Verizon Consumer and Verizon Business , and stopped using the Verizon Wireless name.
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.
Subscriber counts include what each companies quarterly report states, whether it be just postpaid and prepaid (as in the case of Boost Mobile and UScellular) or a combination of postpaid, prepaid and fixed-wireless access as in the case of AT&T, T-Mobile and Verizon).
Spectrum re-allocated for E-GSM 900 (Band 8). ... No new applications for CDMA service were accepted after 7 Nov 2018. ... Verizon United States ...
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 ...
In Russia and some other countries, local carriers received licenses for 450 MHz frequency to provide CDMA mobile coverage area. Many GSM phones support three bands (900/1,800/1,900 MHz or 850/1,800/1,900 MHz) or four bands (850/900/1,800/1,900 MHz), and are usually referred to as tri-band and quad-band phones, or world phones; with such a ...
As of 2014, the former Verizon CDMA network has been shut down with Claro now using GSM, UMTS, and LTE exclusively. Verizon has since signed a 2G and 3G CDMA roaming agreement with Open Mobile, where Verizon customers can use its network without charge. Later on, Verizon has also signed another agreement with Claro to also allow customers to ...
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.