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Wi-Fi is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in home and small office networks to link devices and to provide Internet access with wireless routers and wireless access points in public places such as coffee shops, hotels, libraries, and airports to provide visitors.
Wireless communication is the transfer of information (telecommunication) between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most common wireless technologies use radio waves. With radio waves, intended distances can be short, such as a few meters for Bluetooth or as far as millions of kilometers for deep-space radio communications. It encompasses various types of fixed, mobile, and portable applications, including two-way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of applications of radio wireless technology include GPS units, garage door openers, wireless computer mouse, keyboards and headsets, headphones, radio receivers, satellite television, broadcast television and cordless telephones. Somewhat less common methods of achieving wireless communications involve other electromagnetic phenomena, such as light and magnetic or electric fields, or the use of sound.
Centrino is a brand name of Intel Corporation which represents its Wi-Fi and WiMAX wireless computer networking adapters. Previously the same brand name was used by the company as a platform-marketing initiative. The change of the meaning of the brand name occurred on January 7, 2010. The Centrino was replaced by the Ultrabook.
Wardriving is the act of searching for Wi-Fi wireless networks as well as cell towers, usually from a moving vehicle, using a laptop or smartphone. Software for wardriving is freely available on the internet.
The Wi-Fi Alliance is a non-profit organization that owns the Wi-Fi trademark. Manufacturers may use the trademark to brand products certified for Wi-Fi interoperability. It is based in Austin, Texas.
A hotspot is a physical location where people can obtain Internet access, typically using Wi-Fi technology, via a wireless local-area network (WLAN) using a router connected to an Internet service provider.
Google WiFi was a municipal wireless network deployed in Mountain View, California. It was funded by Google and installed primarily on city lightposts. Google had committed to keeping the service free until 2010. The initial service was shut down by Google on May 3, 2014 at their Mountain View base, and provided a new public outdoor WiFi.
Qualcomm Atheros is a developer of semiconductor chips for network communications, particularly wireless chipsets. The company was founded under the name T-Span Systems in 1998 by experts in signal processing and VLSI design from Stanford University, the University of California, Berkeley, and private industry. The company was renamed Atheros Communications in 2000 and it completed an initial public offering in February 2004, trading on the NASDAQ under the symbol ATHR.
AirMagnet was a Wi-Fi wireless network assurance company based in Sunnyvale, California. The firm was founded in 2001 by Dean T. Au, Chia-Chee Kuan and Miles Wu and shipped its first WLAN analyzer product in 2002. In August 2006, the company shipped the Vo-Fi Analyzer, the first voice-over-Wi-Fi analyzer that could be used on encrypted VoWLAN networks. It was backed by venture capital firms such as Intel Capital, Acer Technology Ventures and VenGlobal.
Operating system Wi-Fi support is defined as the facilities an operating system may include for Wi-Fi networking. It usually consists of two pieces of software: device drivers, and applications for configuration and management.
Navizon, Inc. is a provider of location-based services and products. Navizon was an early developer of technology that makes it possible to determine the geographic position of a mobile device using as reference the location of cell phone towers and Wi-Fi-based wireless access points instead of GPS. Navizon also developed technology for locating mobile devices indoors with room and floor-level accuracy.
MiFi is a brand name to describe a wireless router that acts as a mobile Wi-Fi hotspot device.
Intel PRO/Wireless is a series of Intel wireless products developed by Intel. These products include wireless network adapters, access points, and routers that are designed to provide high-speed wireless connectivity for computers, laptops, and other devices. Intel PRO/Wireless products use various wireless technologies, including Wi-Fi and Bluetooth, to provide wireless connectivity. Intel PRO/Wireless network adapters allow devices to connect to wireless networks, while access points and routers create wireless networks that devices can connect to.
The Wireless Gigabit Alliance was a trade association that developed and promoted the adoption of multi-gigabit per second speed wireless communications technology "WiGig" operating over the unlicensed 60 GHz frequency band. The alliance was subsumed by the Wi-Fi Alliance in March 2013.
Wi-Fi Direct is a Wi-Fi standard for peer-to-peer wireless connections that allows two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or Internet connection. Wi-Fi Direct is single-hop communication, rather than multi-hop communication like wireless ad hoc networks. The Wi-Fi Direct standard was specified in 2009.
The E5 is a mobile Wi-Fi device produced by Huawei Technologies, and is part of the company's mobile Wi-Fi series that includes the E5830s, E585, E583c and E586. The E5 series connect to other devices using a wireless interface. The devices are pocket size and allow users to access the Internet through any Wi-Fi device, mobile phone, game console, digital camera, notebook and personal digital assistant (PDA).
Republic Wireless was an American mobile virtual network operator (MVNO). Republic sold low cost mobile phone service on partner networks. Republic started as a unique company that provided customers with VOIP numbers which relied on WiFi first with cell as a backup.
Miracast is a wireless communications standard created by the Wi-Fi Alliance which is designed to transmit video and sound from devices to display receivers. It uses Wi-Fi Direct to create an ad hoc encrypted wireless connection and can roughly be described as "HDMI over Wi-Fi", replacing cables in favor of wireless. Miracast is utilised in many devices and is used or branded under various names by different manufacturers, including Smart View, SmartShare, screen mirroring, Cast, wireless display and screen casting.
Transit Wireless is an American telecommunication company founded in 2005, based in New York City. It was formed as a consortium of several entities, including Dianet Communications. It specializes in building wireless communication infrastructure using distributed antenna system networks to provide Wi-Fi and cellular phone coverage in the places that are unreachable by traditional cellular phone services such as in the underground portions of the New York City Subway. In 2010, the company was injected with financial support from infrastructure company BAI Communications for its first project with the New York City Transit Authority, which consisted of adding wireless access to subway stations. The architectural framework for the system and wireless engineering efforts were led by RF designer Mark Parr. The resulting wireless solution grew to provide coverage for hundreds of stations and serve well over a billion riders annually. The company is now a subsidiary of BAI Communications.
IEEE 802.11be, dubbed Extremely High Throughput (EHT), is a wireless networking standard in the IEEE 802.11 set of protocols, which is designated Wi-Fi 7 by Wi-Fi Alliance. It has built upon 802.11ax, focusing on WLAN indoor and outdoor operation with stationary and pedestrian speeds in the 2.4, 5, and 6 GHz frequency bands.
References
- ↑ Maynor, David. "Beginner's Guide to Wireless Auditing". Symantec. Retrieved 25 February 2013.
- ↑ McMillan, Robert. "Researchers Use Wi-Fi Driver to Hack Laptop". PCWorld. Retrieved 25 February 2013.
- ↑ Judge, Peter. "Poor Wi-Fi drivers can expose laptops". ZDNet. Archived from the original on April 12, 2013. Retrieved 25 February 2013.
