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Iusacell
AT&T Mexico (formerly known as Iusacell and Nextel Mexico), also known as AT&T Mexico Wireless and AT&T Mexico Mobility, is a Mexican mobile telephone operator and subsidiary of AT&T. AT&T Mexico is headquartered in Mexico City. Its mobile network is available in 90% of Mexico, serving 13% of the Mexican wireless market. AT&T is the third-largest wireless carrier in Mexico, with 20.362 million subscribers as of December 2021. Services The company provides cellular services reaching about 90% of Mexico's population. The company also offers local and long-distance telephony, messaging services, mobile television and wireless broadband services. History AT&T Mexico was originally Iusacell prior to its acquisition by AT&T. Bell Atlantic (now Verizon Communications) and Vodafone Group together acquired 74.5% of the company in 2001 from the Peralta family, which founded Iusacell in 1987. But following Iusacell's default on debts, the two companies in 2003 sold their stake to Ricard ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iusacell Logo
AT&T Mexico (formerly known as Iusacell and Nextel Mexico), also known as AT&T Mexico Wireless and AT&T Mexico Mobility, is a Mexican mobile telephone operator and subsidiary of AT&T. AT&T Mexico is headquartered in Mexico City. Its mobile network is available in 90% of Mexico, serving 13% of the Mexican wireless market. AT&T is the third-largest wireless carrier in Mexico, with 20.362 million subscribers as of December 2021. Services The company provides cellular services reaching about 90% of Mexico's population. The company also offers local and long-distance telephony, messaging services, mobile television and wireless broadband services. History AT&T Mexico was originally Iusacell prior to its acquisition by AT&T. Bell Atlantic (now Verizon Communications) and Vodafone Group together acquired 74.5% of the company in 2001 from the Peralta family, which founded Iusacell in 1987. But following Iusacell's default on debts, the two companies in 2003 sold their stake to Ricard ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AT&T Inc
AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile telephone services in the U.S. , AT&T was ranked 13th on the ''Fortune'' 500 rankings of the largest United States corporations, with revenues of $168.8 billion. During most of the 20th century, AT&T had a monopoly on phone service in the United States. The company began its history as the American District Telegraph Company, formed in St. Louis in 1878. After expanding services to Arkansas, Kansas, Oklahoma and Texas, through a series of mergers, it became Southwestern Bell Telephone Company in 1920, which was then a subsidiary of American Telephone and Telegraph Company. The latter was a successor of the original Bell Telephone Company founded by Alexander Graham Bell in 1877. The American Bell Telephone Company formed the American Teleph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AT&T
AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile telephone services in the U.S. , AT&T was ranked 13th on the ''Fortune'' 500 rankings of the largest United States corporations, with revenues of $168.8 billion. During most of the 20th century, AT&T had a monopoly on phone service in the United States. The company began its history as the American District Telegraph Company, formed in St. Louis in 1878. After expanding services to Arkansas, Kansas, Oklahoma and Texas, through a series of mergers, it became Southwestern Bell Telephone Company in 1920, which was then a subsidiary of American Telephone and Telegraph Company. The latter was a successor of the original Bell Telephone Company founded by Alexander Graham Bell in 1877. The American Bell Telephone Company formed the American Teleph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Televisa
Grupo Televisa is a Mexican multimedia mass media company. A major Latin American mass media corporation, it often presents itself as the largest producer of Spanish-language content. In April 2021, Televisa and Univision Communications announced that they had proposed a merger between Televisa's media and entertainment assets with Univision, which would form a new company to be known as TelevisaUnivision. The transaction was completed on January 31, 2022, with Televisa owning a 45% stake of the company. Company History Since its beginning, the company has been owned by the Azcárraga family. The company has been led and owned by three generations of Azcárraga; each has marked an era for the company and, until October 2017, each had passed the ownership of the company to his son upon his death. Emilio Azcárraga Vidaurreta (1955–1972) Grupo Televisa was founded in 1955 as Telesistema Mexicano, linking Mexico's first three television stations: XHTV-TV (founded in 1950), XEW- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telcel
Telcel is a Mexican wireless telecommunications company, owned by América Móvil. Founded in 1984 and based in Mexico City, Telcel is the leading provider of wireless communications services in Mexico. As of December 31, 2006, Telcel's cellular network covered more than 63% of the geographical area of Mexico, including all major cities, and 90% of Mexico's population. Telcel holds concessions to operate a wireless network in all nine geographic regions in Mexico using both the 850 megahertz and 1900 megahertz radio spectrum. According to Cofetel (Comision Federal de Telecomunicaciones—Mexico's Federal Telecommunications Commission), as of July 2008, Telcel's subscribers represented an estimated 77.2% share of the Mexican wireless market. Telcel is the largest wireless carrier in Mexico, with 77.2 million subscribers as of March 2020. Voice services Telcel provides services in AMPS, GSM, and TDMA, as well as the newer technologies of UMTS and WCDMA. Because of the wide base of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grupo Salinas
Grupo Salinas is a corporate conglomerate formed in 2001 by several Mexican companies. The group consists of: * TV Azteca - television and radio network * Grupo Elektra - products include finance, home appliances, consumer electronics, furniture, motorcycles, mobile phones, computers and extended warranties * Mazatlán F.C.- football club * Telecosmo - internet service provider * Italika - motorcycle manufacturer Each of the Grupo Salinas companies operates independently, with its own management and board of directors. History Company history begins with a store called "Salinas y Rocha" founded in 1906 in Monterrey. In 1950, Grupo Elektra began as a radio factory. Two years later, the company began manufacturing television sets and increased its workforce to 70 employees. Elektra began selling products directly to consumers in 1954. In 1957, Elektra retail stores incorporated credit programs. By 1968, Elektra had 12 stores in the region and by 1987, 59 stores. Elektra Group b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AT&T Mobility
AT&T Mobility LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the third-largest wireless carrier in the United States, with 101.6 million subscribers as of the end of Q1 2022. The company is headquartered in Brookhaven, Georgia. Originally known as Cingular Wireless (a joint venture between SBC Communications and BellSouth) from 2000 to 2007, the company acquired the old AT&T Wireless in 2004; SBC later acquired the original AT&T and adopted its name. Cingular became wholly owned by AT&T in December 2006 as a result of AT&T's acquisition of BellSouth. In January 2007, Cingular confirmed it would rebrand itself under the AT&T name. Although the legal corporate name change occurred immediately, for both regulatory and brand-awareness reasons both brands were used in the company's signage and advertising du ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Unefón
Unefon is a Mexican mobile telecommunications brand used by AT&T Mexico, a subsidiary of AT&T Inc., used for prepaid products. The company was partially owned by Grupo Salinas and Mexican media group Televisa, and its network was CDMA only, using no analog base stations. Starting 2010, Unefon started to use GSM The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such ... technology and started sharing Iusacell stations and network. Telecommunications companies of Mexico Mobile phone companies of Mexico AT&T subsidiaries {{telecom-company-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SIMS AT&T México
Sims, sims or SIMS may refer to: Games * ''The Sims'', a life simulation video game series ** ''The Sims'' (video game), the first installment, released in 2000 ** ''The Sims 2'', the second installment, released in 2004 ** '' The Sims 3'', the third installment, released in 2009 ** ''The Sims 4'', the fourth installment, released in 2014 * SIMS Co., Ltd., a Japanese video game publisher and developer * Sims (bidding system), a bidding system in contact bridge Science and computing * Secondary ion mass spectrometry, a chemical analysis technique * Structured Inventory of Malingered Symptomatology, a psychology questionnaire * ''Single interface to multiple sources'', an ontology-based approach to data integration * Student information system, computer software for managing student records * School Information Management System, a student information system by Capita Companies and organizations * SIMS Co., Ltd., a Japanese video game publisher and developer * Sims Metal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
5G NR
5G NR (New Radio) is a new radio access technology (RAT) developed by 3GPP for the 5G (fifth generation) mobile network. It was designed to be the global standard for the air interface of 5G networks. As with 4G (LTE), it is based on OFDM. The 3GPP specification 38 series provides the technical details behind 5G NR, the successor of LTE. The study of NR within 3GPP started in 2015, and the first specification was made available by the end of 2017. While the 3GPP standardization process was ongoing, the industry had already begun efforts to implement infrastructure compliant with the draft standard, with the first large-scale commercial launch of 5G NR having occurred in the end of 2018. Since 2019, many operators have deployed 5G NR networks and handset manufacturers have developed 5G NR enabled handsets. Frequency bands 5G NR uses frequency bands in two frequency ranges: # Frequency Range 1 (FR1), for bands within 410 MHz – 7125 MHz # Frequency Range 2 (FR2), for bands ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IDEN
Integrated Digital Enhanced Network (iDEN) is a mobile telecommunications technology, developed by Motorola, which provides its users the benefits of a trunked radio and a cellular telephone. It was called the first mobile social network by many technology industry analysts. iDEN places more users in a given spectral space, compared to analog cellular and two-way radio systems, by using speech compression and time-division multiple access (TDMA). History The iDEN project originally began as MIRS (Motorola Integrated Radio System) in early 1991. The project was a software lab experiment focused on the utilization of discontiguous spectrum for GSM wireless. GSM systems typically require 24 contiguous voice channels, but the original MIRS software platform dynamically selected fragmented channels in the radio frequency (RF) spectrum in such a way that a GSM telecom switch could commence a phone call the same as it would in the contiguous channel scenario. Operating frequencies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LTE Advanced
LTE Advanced (LTE+) is a mobile communication standard and a major enhancement of the LTE (telecommunication), Long Term Evolution (LTE) standard. It was formally submitted as a candidate 4G to ITU-T in late 2009 as meeting the requirements of the IMT-Advanced standard, and was standardized by the 3rd Generation Partnership Project (3GPP) in March 2011 as 3GPP Release 10. The LTE+ format was first proposed by NTT DoCoMo of Japan and has been adopted as the international standard. LTE standardization has matured to a state where changes in the specification are limited to corrections and bug fixes. The first commercial services were launched in Sweden and Norway in December 2009 followed by the United States and Japan in 2010. More LTE networks were deployed globally during 2010 as a natural evolution of several 2G and 3G systems, including Global system for mobile communications (GSM) and Universal Mobile Telecommunications System (UMTS) in the 3GPP family as well as CDMA2000 in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
