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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, excluding Puerto Rico and the U.S. Virgin Islands. AT&T Mobility is the largest wireless carrier in the United States, with 176.7 million subscribers as of the end of Q3 2020.
Verizon is the second-largest wireless carrier in the United States, with 120.9 million subscribers as of the end of Q4 2020. The mobile network previously operated as a separate division of Verizon Communications under the name of Verizon Wireless. In a 2019 reorganization, Verizon moved the wireless products and services into two new divisions, Verizon Consumer and Verizon Business, and stopped using the 'Verizon Wireless' name.
AT&T Wireless Services, founded in 1987 as McCaw Cellular Communications, formerly part of AT&T Corp., was a wireless telephone carrier in the United States, based in Redmond, Washington, and later traded on the New York Stock Exchange under the stock symbol "AWE", as a separate entity from its former parent.
4G is the fourth generation of broadband cellular network technology, succeeding 3G, and preceding 5G. A 4G system must provide capabilities defined by ITU in IMT Advanced. Potential and current applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, and 3D television.
Cincinnati Bell is a regional telecommunications service provider based in Cincinnati, Ohio, United States. It provides landline telephone, fiber-optic Internet, and IPTV services through its subsidiaries Cincinnati Bell Telephone and Hawaiian Telcom, which are the incumbent local exchange carriers for the Cincinnati and Dayton metropolitan areas and Hawaii. Other subsidiaries provide enterprise information technology services and long distance calling.
Alltel Wireless was a wireless service provider, primarily based in the United States. Before acquisitions by Verizon Wireless and AT&T, it served 34 states and had approximately 13 million subscribers. As a regulatory condition of the acquisition by Verizon, a small portion of Alltel was spun off and continued to operate under the same name in six states, mostly in rural areas. Following the merger, Alltel remained the ninth largest wireless telecommunications company in the United States, with approximately 800,000 customers. On January 22, 2013, AT&T announced they were acquiring what remained of Alltel from Atlantic Tele-Network for $780 million in cash.
Sprint Corporation was an American telecommunications company. Before it merged with T-Mobile US on April 1, 2020, it was the fourth-largest mobile network operator in the United States, serving 54.3 million customers as of June 30, 2019. The company also offered wireless voice, messaging, and broadband services through its various subsidiaries under the Boost Mobile and Open Mobile brands and wholesale access to its wireless networks to mobile virtual network operators.
Silicon Image is a provider of semiconductors for the mobile, consumer electronics and personal computers (PCs). It also manufactures wireless and wired connectivity products used for high-definition content. The company’s semiconductor and IP products are deployed by the electronics manufacturers in devices such as smartphones, tablets, monitors, digital televisions (DTVs), other consumer electronics, as well as desktop and notebook PCs. Silicon Image, in cooperation with other companies, has driven the creation of some global industry standards such as DVI, HDCP, HDMI, MHL, and WirelessHD.
Extreme Networks is a networking company based in San Jose, California. Extreme Networks designs, develops, and manufactures wired and wireless network infrastructure equipment and develops the software for network management, policy, analytics, security and access controls.
Mobile VoIP or simply mVoIP is an extension of mobility to a Voice over IP network. Two types of communication are generally supported: cordless/DECT/PCS protocols for short range or campus communications where all base stations are linked into the same LAN, and wider area communications using 3G/4G protocols.
Alvarion Technologies is a global provider of autonomous wi-fi networks designed with self-organizing capabilities, and solutions for carrier wi-fi, enterprise connectivity, smart city planning, smart hospitality, connected campuses, and connected events.
SR Telecom Inc. was a broadband wireless systems manufacturer headquartered in Montreal, Quebec, and present in over 130 countries around the world. Established in 1981, SR Telecom provided urban and rural telecommunications providers with wireless systems delivering voice, data and multimedia services.
Verizon Business is a division of Verizon Communications based in Basking Ridge, New Jersey that provides services and products for Verizon's business and government clients around the world. It was formed as Verizon Business in January 2006 and relaunched as Verizon Enterprise Solutions on January 1, 2012. Between April 2014 and October 2016 its president was Chris Formant. Since November 2016 George J. Fischer is Verizon Enterprise Solution's President until he was replaced by Tami Erwin. In 2019 Verizon reorganized into three groups, renaming the former Verizon Business Solutions as Verizon Business.
Airspan Networks is an American telecommunications company headquartered in Boca Raton, Florida, developing Radio Access Network technology including the Sprint 'Magic Box' and both small cells and macro cells for the Rakuten virtualized network.
Nextel Communications, Inc. was a wireless service operator that merged with and continues to exist as a wholly owned subsidiary of Sprint Corporation. Nextel in Brazil, and formerly in Argentina, Chile, Peru, the Philippines, and Mexico, is part of NII Holdings, a stand-alone, publicly traded company that is not owned by Sprint Corporation.
T-Mobile US, Inc., doing business as T-Mobile, is an American wireless network operator. Its largest shareholder is the German telecommunications company Deutsche Telekom (DT) with a 43% share, with Japanese conglomerate holding company SoftBank Group partially owning the company as well at a 24% share. The remaining 33% share of the company is owned by the public through common stock. Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area. T-Mobile is the third-largest wireless carrier in the United States, with 100.3 million subscribers as of the end of Q3 2020.
Towerstream Corporation is a Fixed Wireless Fiber Alternative company delivering high-speed Internet access to businesses. The company offers broadband services in 12 urban markets including New York City, Boston, Los Angeles, Chicago, Philadelphia, the San Francisco Bay area, Miami, Seattle, Dallas-Fort Worth, Houston, Las Vegas-Reno, and the greater Providence area, where the company is headquartered. In 2014, Towerstream launched its On-Net fixed-wireless service offering On-Net building tenants access to dedicated, symmetrical high-speed Internet connectivity, with a premier SLA, at market-setting prices. Founded in 1999 by Philip Urso and Jeffrey Thompson (eFortress), Towerstream held its first public offering in January 2007 and traded on the NASDAQ Capital Markets under symbol TWER. In 2016 the stock had declined in price, was delisted from NASDAQ, and moved to the over-the-counter market.
Ruckus Networks is a brand of wired and wireless networking equipment and software owned by CommScope. Ruckus offers Switches, Wi-Fi access points, CBRS access points, Controllers, Management systems, Cloud management, AAA/BYOD software, AI and ML analytics software, location software and IoT controller software products to mobile carriers, broadband service providers, and corporate enterprises. As a company, Ruckus invented and has patented wireless voice, video, and data technology, such as adaptive antenna arrays that extend signal range, increase data rates, and avoid interference, providing distribution of delay-sensitive content over standard 802.11 Wi-Fi.
Powerwave Technologies, Inc. was a global telecommunications corporation, with solutions designed to amplify coverage, capacity and data speed in wireless communications networks. Its products supported wireless services worldwide by providing wireless infrastructure such as antennas, base station and coverage systems, covering all major frequency bands and air interfaces to support customers’ existing wireless networks as well as efforts to deploy next-generation 4G WiMAX and LTE systems.
References
- ↑ "M&A: August 3, 2012". Archived from the original on October 6, 2012. Retrieved August 3, 2012.
- ↑ "AT&T Agrees to Pay as Much as $600 Million for NextWave".