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S-Fone is the first and biggest national cellular mobile phone network using CDMA in Vietnam (followed by EVN Telecom and HT Mobile).On 9 October 2006, S-Fone officially launched CDMA 2000 1x EV-DO value added services for the first time in Vietnam: VOD/MOD (Video, TV on demand, music on demand) and mobile Internet (enabling internet access for PCs and laptops via S-Fone network) beginning in ...
Operator acquired by T-Mobile. Sprint (incl. Open Mobile) United States Puerto Rico U.S. Virgin Islands: CDMA2000 1xRTT, EV-DO Rev. A 800 (BC10) 1900 Aug 2002: Mar 2022 [174] [175] [176] Operator acquired by T-Mobile. UScellular United States: CDMA2000 1xRTT, EV-DO Rev. A 800 / 1900 Oct 2002 Jan 2024 [177] [178] [179] Gradual EV-DO shut down ...
S-Fone (directly under CDMA S-Telecom): 095 [5] Vietnamobile (ex-HT Mobile): 092, 052, 056, 058 [6] Beeline (directly under G-Tel): 059, 099 [7] At the beginning of 2013, S-Fone and Beeline services are temporarily shut down due to hard competitions with other mobile operators.
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.
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 ...
The Qualcomm 205 Mobile Platform formally falls under the Mobile Platform brand, but is practically a Snapdragon 208 with a X5 LTE modem. It was announced March 20, 2017. [40] The Qualcomm 215 was announced on July 9, 2019. [41] It is a toned-down variant of the Snapdragon 425 and primarily optimized for Android Go Edition devices.
Pages in category "Mobile phone companies of Vietnam" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. B.
Pages in category "Mobile phones introduced in 2000" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. A.