Search results
Results from the WOW.Com Content Network
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 ...
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.
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 ...
HT Mobile was set up in 2007 as a joint-venture of Ministry of Health. [3] It was renamed to Vietnamobile in 2009, accompanied by the adoption of GSM technology to replace the less popular CDMA. [ 3 ]
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.
CDMA - - - - - - - [1] [332] [335] Unitel: 15 MHz, UMTS: 20 MHz Apr 2016 5 MHz, GSM - - 12,2 MHz, GSM - 10 MHz Nov 2016 - 40 MHz Jan 2017 - [1] [5] [332] [336] [337] Myanmar: ACS: N/A: N/A: N/A - N/A - - - - 20 MHz May 2018 B38 [338] [339] MPT: 5 MHz Oct 2016 10 MHz, UMTS: 20 MHz May 2017: 10 MHz, CDMA 2000 - 10 MHz, GSM - - 3,8 MHz, CDMA 2000 ...
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 ...
In November two mobile applications ‘June’ and ‘Moneta’ were launched. In July 2003, S-Fone, a commercial CDMA network became operative in Vietnam. In August 2003, June became the world's first 3G service to have one million subscribers. [citation needed] In February 2004, SK won a contract for a joint venture with China Unicom, called ...