Clearwire Corporation (stylized as "clearw˙re" in the logo) is a wireless broadband Internet service provider (ISP) serving markets in the United States, Ireland, Belgium, Denmark (with Danske Telecom) and Mexico (via MVSNet). Clearwire was founded by cellular phone pioneer Craig McCaw in October 2003^[1][2] and headquartered in Kirkland, Washington. Clearwire currently uses Expedience wireless technology, dubbed Pre-WiMax, transmitted from cell sites over licensed spectrum of 2.5-2.6 GHz in the U.S. and 3.5 GHz in Europe.^[3] Image File history File links Clearwire_logo. ... This article does not cite any references or sources. ... NASDAQ in Times Square, New York City. ... For the computer game by Peter Molyneux, see The Entrepreneur. ... Craig McCaw at NSTAC meeting, June 2001 Craig McCaw (b. ... Nickname: The Little City That Could Location of Kirkland within King County, Washington, and King County within Washington. ... Earnings before interest and taxes (EBIT), also known as operating income and operating profit, is a term used to describe a companys earnings. ... USD redirects here. ... Net income is equal to the income that a firm has after subtracting costs and expenses from the total revenue. ... USD redirects here. ... This article is about work. ... A website (alternatively, web site or Web site) is a collection of Web pages, images, videos or other digital assets that is hosted on one or more web servers, usually accessible via the Internet. ... For other uses, see Wireless (disambiguation). ... A WildBlue Satellite Internet dish. ... “ISP” redirects here. ... Cellular redirects here. ... Craig McCaw at NSTAC meeting, June 2001 Craig McCaw (b. ... Nickname: The Little City That Could Location of Kirkland within King County, Washington, and King County within Washington. ... Official WiMax logo WiMAX, the Worldwide Interoperability for Microwave Access, is a telecommunications technology aimed at providing wireless data over long distances in a variety of ways, from point-to-point links to full mobile cellular type access. ... A cleverly mounted base station on top of an Electricity pylon. ... A gigahertz is a billion hertz or a thousand megahertz, a measure of frequency. ...

On May 7, 2008, Clearwire and Sprint Nextel's wireless broadband unit Xohm announced their intent to merge, combining Sprint's 4G WiMax network (Xohm) with Clearwire's existing pre-Wimax broadband network. Sprint will own 51% of the firm, with ex-Clearwire shareholders owning 27% - a consortium of Comcast, Time Warner, Intel, Google, and Bright House will invest $3.2 billion and own the balance.^[4] The new firm will retain the "Clearwire" brand and will sell 4G WiMax mobile broadband to Sprint as an MVNO, while Clearwire and the cable companies will buy 3G mobile broadband from Sprint as MVNOs. Sprint Nextel Corporation (NYSE: S) is the third largest wireless telecommunications network in the United States with 52. ... Xohm is the brand name Sprint Nextel Corporation is using to promote their new WiMAX services. ... Comcast Corporation (NASDAQ: CMCSA) is the largest cable television company and the second largest Internet service provider in the United States. ... Time Warner Inc. ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... This article is about the corporation. ... Bright House Networks is a cable company owned by Advance/Newhouse, headquartered in Syracuse, New York. ... A Mobile Virtual Network Operator is a company that does not own a licensed frequency spectrum, but resells wireless services under their own brand name, using the network of another mobile phone operator. ...

Services

In the U.S. Clearwire offers plans with downlink speeds of 768 kbit/s, 1.5 Mbit/s, and 2.0 Mbit/s, with an uplink speed of 256 kbit/s. In Ireland, Clearwire offers 1 Mbit/s, 2 Mbit/s or 2.5 Mbit/s download / 256 kbit/s upload. In Denmark, Clearwire offers downlink speeds of 512 kbit/s, 1.0 and 1.5 Mbit/s, with an uplink speed of 192 kbit/s. Clearwire also offers its own Voice over IP service, with support for T.38^[5] fax communication, in some areas for an additional monthly fee. As with any ISP, the listed transfer rates are under ideal conditions; actual results vary greatly depending on factors such as service load, distance, and obstacles between the transmitter and receiver. Another factor is that available bandwidth is shared between users in a given radio sector, so if there are many active users in a single sector, each may receive reduced bandwidth. A kilobit is a unit of information storage, abbreviated kbit or sometimes kb. ... The Megabit is a unit of information storage, abbreviated Mbit or sometimes Mb. ... The Megabit is a unit of information storage, abbreviated Mbit or sometimes Mb. ... A kilobit is a unit of information storage, abbreviated kbit or sometimes kb. ... The Megabit is a unit of information storage, abbreviated Mbit or sometimes Mb. ... The Megabit is a unit of information storage, abbreviated Mbit or sometimes Mb. ... The Megabit is a unit of information storage, abbreviated Mbit or sometimes Mb. ... A kilobit is a unit of information storage, abbreviated kbit or sometimes kb. ... A kilobit is a unit of information storage, abbreviated kbit or sometimes kb. ... The Megabit is a unit of information storage, abbreviated Mbit or sometimes Mb. ... A kilobit is a unit of information storage, abbreviated kbit or sometimes kb. ... An overview of how VoIP works A typical analog telephone adapter for connecting an ordinary phone to a VoIP network Ciscos implementation of VoIP - IP Phone Voice over Internet Protocol, also called VoIP (pronounced voyp), IP Telephony, Internet telephony, Broadband telephony, Broadband Phone and Voice over Broadband is the... T.38 is an ITU recommendation for sending fax messages over IP networks in real time by encapsulating a standard T.30 fax data stream. ... For other uses, see Fax (disambiguation). ... In telecommunication, data transfer rate or just transfer rate is the average number of bits, characters, or blocks per unit time passing between corresponding equipment in a data transmission system. ...

Conceptually, wireless home internet service provides mobility and reliability between that of broadband handsets and wired broadband access. As such it may be especially appealing to users with first and second homes, both within Clearwire service areas. Conceptually, Clearwire Home Internet service can be described as a "transportable" Internet access solution.

Advertising

Like internet telephone company Vonage, Clearwire has run advertising and promotional campaigns which have included airline tickets and low introductory rates offered to new customers with a contractual agreement. Vonage Logo until 2006 Vonage (NYSE: VG) (pronounced ) is a publicly held commercial voice over IP (VoIP) network and SIP company that provides telephone service via a broadband connection (the companys name is a play on their motto Voice-Over-Net-AGE). Vonage promotes itself as Vonage the Broadband... // Advert redirects here. ... An Airbus A380 of Emirates Airline An airline provides air transport services for passengers or freight. ...

History

The forerunner of Clearwire was an Arlington, Texas-based company then known as Clearwire Technologies, Inc. (owned by Clearwire Holdings). Clearwire Technologies was formed by a number of investors including Edward "Rusty" Rose, once a co-managing partner of the Texas Rangers. Clearwire Technologies raised at least $100 million and used it to acquire spectrum allocated to various educational institutions in the Instructional Television Fixed Service (ITFS) band.^[6] Arlington is a city in Tarrant County, Texas (USA) within the Dallas-Fort Worth-Arlington metropolitan area. ... Major league affiliations American League (1961–present) West Division (1972–present) Current uniform Retired Numbers 26, 34, 42 Name Texas Rangers (1972–present) Washington Senators (1961-1971) Other nicknames None in common use Ballpark Rangers Ballpark in Arlington (1994–present) a. ... Although some radiations are marked as N for no in the diagram, some waves do in fact penetrate the atmosphere, although extremely minimally compared to the other radiations The electromagnetic (EM) spectrum is the range of all possible electromagnetic radiation. ...

Clearwire Corp. as it is now known was born when Craig McCaw's holding company, Flux LLC, acquired Clearwire Holdings in March, 2004. McCaw installed executives from his McCaw Cellular as the new Clearwire Corp. leadership.^[6] McCaw Cellular is based in Redmond, WA Categories: Substubs ...

Clearwire has grown from 1,000 customers in September of 2004 to more than 443,000 customers across its markets, as of May 2008.^[7] Clearwire claimed in September of 2006 that 20% of its markets have more than 10% penetration of households covered.

Clearwire took a $900 million infusion of capital from Intel and Motorola in July of 2006, shortly after pulling its IPO.^[8] Clearwire's equipment manufacturer Nextnet Wireless was sold to Motorola as part of the exchange.^[9] This investment by the two industry giants has been reported as an attempt to accelerate the development and deployment of WiMAX networks worldwide. Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... Motorola Inc. ... Wikipedia does not yet have an article with this exact name. ... Official WiMax logo WiMAX, the Worldwide Interoperability for Microwave Access, is a telecommunications technology aimed at providing wireless data over long distances in a variety of ways, from point-to-point links to full mobile cellular type access. ...

An unspecified source claims that AT&T is/was selling Clearwire a slice of 2.5 GHz spectrum for about $300 million. The spectrum covers markets in the southeast of the U.S. and used to belong to BellSouth. The spectrum solidifies Clearwire's position as the second largest holder of 2.5 GHz spectrum after Sprint Nextel. AT&T had to sell the spectrum as a condition of its merger with BellSouth. This article is about the current AT&T. For the 1885-2005 company, see American Telephone & Telegraph. ... Sprint Nextel Corporation (NYSE: S) is the third largest wireless telecommunications network in the United States with 52. ...

Clearwire and Sprint Nextel announced a partnership in July of 2007 to accelerate deployment of WiMAX technology across the US,^[10] however, that was terminated at the end of 2007.^[11] The deal was to include a swap of spectrum and markets between the two companies, as well as providing roaming capabilities for customers traveling between the companies' networks. In 2008, Sprint's new CEO Dan Hesse started serious discussions about forming a joint venture between the two companies in the hopes of bringing in outside funding from Google, Intel and Best Buy.^[12] On March 26th, 2008 an anonymous source stated that Sprint and Clearwire may get as much as $1 billion from Comcast and $500 million from Time Warner Cable in financial backing.^[13] Comcast Corporation (NASDAQ: CMCSA) is the largest cable television company and the second largest Internet service provider in the United States. ... Time Warner Cable (NYSE: TWC) is an American national cable television company that operates in 27 states and has 31 operating divisions. ...

Clearwire filed for its initial public offering with the Securities and Exchange Commission in May 2006 and went public Thursday, March 8, 2007. The company's underwriters included Merrill Lynch, Morgan Stanley and JPMorgan Chase. Trading began March 8, 2007 under the ticker symbol "CLWR" on the Nasdaq. Clearwire offered 24 million shares at $25 a share, and raised approximately US$600 million.^[14] Craig McCaw is the largest shareholder with 65.4 percent of the company's Class B stock and he will have 24.8 percent of the Class A stock after the IPO.^{[citation needed]} A class B share has 10 times the voting rights of a Class A share. Class A shares are the class traded publicly on the Nasdaq. IPO redirects here. ...

Criticism

Clearwire customers must sign up for yearly contracts (one or two years). In the recent past, these contracts automatically renew themselves unless customers calls to cancel them up to 30 days before their expiration. This policy was discontinued in November of 2007, however any change in service will result in automatic renew of contract.

Violations of the terms of service and acceptable use agreements are often cited in the early termination of the accounts of customers^{[citation needed]}. However, accounts are not terminated before three separate and distinct AUP/TOS violations^{[citation needed]}. Peer-to-peer file sharing is a common cause^{[citation needed]}. Early terminations due to AUP violations are generally subject to early termination fees^{[citation needed]}. File sharing is the practice of making files available for other users to download over the Internet and smaller networks. ...

Business tactics to acquire frequency in certain locations has also drawn heavy criticism.^{[citation needed]} Clearwire sued Peralta Community College District over the district's move to terminate its spectrum leasing agreement with Clearwire.^[15] The Peralta Community College District is the community college district serving northern Alameda County, California. ...

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See also

• Wireless networking

Wireless networks are telephone or computer networks that use radio as their carrier or physical layer. ...

References

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External links

• Official Clearwire U.S. homepage
• Clearwire Ireland homepage
• Clearwire Belgium homepage
• Clearwire on Google Finance