The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP, UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.
Communications in Vietnam include the use of telephones, radio, television and Internet.
Ho Chi Minh City, commonly known as Saigon, is the most populous city in Vietnam, with a population of around 9.3 million in 2023. The city's geography is defined by rivers and canals, the largest of which is the eponymously-named Saigon River. As a municipality, Ho Chi Minh City consists of 16 urban districts, five rural districts, and one municipal city (sub-city). As the largest financial centre in Vietnam, Ho Chi Minh City has the highest gross regional domestic product out of all Vietnam provinces and municipalities, contributing around a quarter of the country's total GDP. Ho Chi Minh City's metropolitan area is ASEAN's 6th largest economy, also the biggest outside an ASEAN country capital.
3G is the third generation of wireless mobile telecommunications technology. It is the upgrade over 2G, 2.5G, GPRS and 2.75G Enhanced Data Rates for GSM Evolution networks, offering faster data transfer, and better voice quality. This network was superseded by 4G, and later on by 5G. This network is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the International Mobile Telecommunications-2000 (IMT-2000) specifications by the International Telecommunication Union. 3G finds application in wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV.
SK Telecom Co., Ltd., abbreviated as SKT is a South Korean wireless telecommunications operator and former film distributor and is part of the SK Group, one of the country's largest chaebols. It leads the local market with 50.5 percent share as of 2008. SK Telecom is the largest wireless carrier in South Korea, with 27.019 million subscribers as of Q4 2017.
TracFone Wireless, Inc. (TFWI) is an American prepaid, no-contract mobile phone provider. TFWI is a subsidiary of Verizon Communications, and offers products and services under several brands. It operates as a mobile virtual network operator (MVNO), holding agreements with the three largest United States wireless network operators to provide service: AT&T Mobility, T-Mobile US, and Verizon.
LG Uplus Corp. (Korean: LG유플러스; stylized as LG U+, KRX: 032640) is a South Korean mobile network operator owned by LG Corporation. It was formerly known as LG Telecom, but changed to its current name on July 1, 2010. LG Uplus is the third-largest wireless carrier in South Korea, with 16.652 million subscribers as of Q4 2020.
América Móvil is a Mexican telecommunications corporation headquartered in Mexico City, Mexico. It is the 7th largest mobile network operator in the world in terms of equity subscribers, as well as one of the largest corporations in the world. América Móvil is a Forbes Global 2000 company. As of Q1, 2019, América Móvil had 277.4 million wireless subscribers, and 84.3 million fixed revenue generating units.
O2 Czech Republic (operating under the O2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic’s leading providers of fully converged services. O2 Czech Republic operates a fixed and mobile network including a 3rd generation network, CDMA (for data), UMTS and EDGE, enabling voice, data and video transmission. O2 Czech Republic is also a provider of ICT services.
The telecommunications industry in China is dominated by three state-run businesses: China Telecom, China Unicom and China Mobile. The three companies were formed by restructuring launched in May 2008, directed by the Ministry of Information Industry (MII), National Development and Reform Commission (NDRC) and the Minister of Finance. Since then, all three companies gained nationwide fixed-line and cellular mobile telecom licenses in China. In 2019, all three telecoms were issued 5G national licenses.
Television in Vietnam began to appear in the mid-1960s in Saigon, with the appearance of Saigon Television Station. In 1970, in the North, Voice of Vietnam broadcast the first test television program. In the late 1970s, color television was introduced and broadcast experimentally. Today, television in Vietnam is available in many modes of broadcasting, with many national and local channels, broadcast or pay with more than 200 channels available to viewers. Vietnam completed the digital television transitions on December 28, 2020.
This is a discussion of telephone numbers in Vietnam. Vietnam's country code is +84. There are many area codes for land lines, as well as a separate format for mobile phone numbers. The five emergency phone numbers are 111, 112, 113 (police), 114 (fire), and 115.
The Bridge Alliance is a business alliance of 34 major mobile telecommunications companies in Asia, Australia, Africa and the Middle East. It uses connectivity and a suite of integrated value-added services, including IoT/M2M, Optimization and Enterprise Mobility, for all alliance members' subscribers while roaming on each other's networks. The concept is similar to that of the FreeMove alliance in Europe, with whom the Bridge Alliance has a partnership.
SKYtel Group is one of Mongolia’s leading mobile phone operators that currently holds a quarter of the mobile market. With over 500,000 active subscribers and 400 employees of which 90% have a bachelor's degree or higher education. The company's network functions on an HSPA+ network in Ulaanbaatar and [CDMA2000 1x] & [EVDO] network technology in the rest of the country.
MobiFone Corporation is a major Vietnamese mobile network operator headquartered in Trung Hoa Nhan Chinh, Hanoi. Founded on 16 April 1993, as a Global System for Mobile Communications launcher, MobiFone is the first and currently third largest telecommunications provider in Vietnam.
Vinaphone is a Vietnamese mobile network operator headquartered in Hanoi, Vietnam. Founded June 26, 1996, as a GSM launcher, Vinaphone is the second network and currently the second largest provider in Vietnam.
The Military Industry and Telecoms Group, doing business as Viettel or Viettel Group, is a Vietnamese state-owned multinational telecommunications, technology and manufacturing conglomerate headquartered in Hanoi, Vietnam. The enterprise is run by the Vietnam Ministry of National Defence, making it a military-associated corporation.
MTS M Blaze is an EVDO based services provided by ‘’’MTS India’’’. MTS launched EVDO Rev A based high-speed mobile broadband service, MBlaze, in November 2009 and has seen tremendous market acceptance with over 5,00,000 customers in a short span of time. In April 2010, MTS launched MTS TV for MTS MBlaze customers. MTS MBlaze have its coverage in 100+ cities as of February 2011. MTS has also announced pan-India roaming for its users in April–May 2010. MTS also provides MBrowse which is CDMA-1x technology based internet service.
3G mobile telephony was relatively slow to be adopted globally. In some instances, 3G networks do not use the same radio frequencies as 2G so mobile operators must build entirely new networks and license entirely new frequencies, especially so to achieve high data transmission rates. Other delays were due to the expenses of upgrading transmission hardware, especially for UMTS, whose deployment required the replacement of most broadcast towers. Due to these issues and difficulties with deployment, many carriers delayed acquisition of these updated capabilities.
Vietnamobile is a Vietnamese mobile network operator. It is a joint-venture of Hanoi Telecom and Hutchison Asia Telecom Group and the fourth largest provider as of 2012.
