Wi-Fi

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Wi-Fi

Computing a system of accessing the internet from remote machines such as laptop computers that have wireless connections

wi-fi

(networking)
Either of two different incompatible radio-based LAN protocols, namely 802.11b (which speaks DSSS at 2.4GHz) and 802.11a (which speaks OFDM at 5GHz).

The term was invented by the marketing departments of wi-fi equipment manufacturers. It is, notionally, short for "wireless fidelity", on the analogy of hi-fi for "high fidelity" audio.

Wi-Fi

The standard wireless local area network (WLAN) technology for connecting computers and myriad electronic devices to each other and to the Internet. Wi-Fi is the wireless version of a wired Ethernet network, and it is commonly deployed alongside it (see Ethernet).

Every laptop, tablet and smartphone comes with Wi-Fi, as well as most security cameras and home theater devices. Printers and scanners may also support Wi-Fi, and home appliances increasingly use it for control and notifications. Although it must have been inspired by "high fidelity" (hi-fi), the name does not mean "wireless fidelity." To learn how Wi-Fi fits into the home and office, see wireless LAN, wireless router and Wi-Fi hotspot.

Wi-Fi Is Officially IEEE 802.11
Wi-Fi is the common name for the IEEE 802.11 standard. For details and history of Wi-Fi, see 802.11 and 802.11 versions. The Wi-Fi Alliance certifies that network devices comply with the IEEE 802.11 standards. See Wi-Fi hotspot, Wi-Fi Direct, Passive Wi-Fi, Muni Wi-Fi, wireless mesh network, Wi-Fi vs. Ethernet and cellular vs. Wi-Fi.


Wi-Fi-Enabled Washing Machine
This Miele washing machine sends alerts to the user and to Miele via Wi-Fi. If it reports a problem, the company may notify the dealer.







Wireless and Wired Together
With a wireless router, Wi-Fi and Ethernet co-exist in the home. See wireless router.







Ceiling-Mounted and Desktop Access Points
Access points (APs) are the Wi-Fi base stations, and the circuitry in these stand-alone units is also built into a wireless router.







Wi-Fi Adapters
The adapter (top) adds Wi-Fi to any computer via USB, while the card on the bottom plugs into a PCI slot inside a desktop computer. (Images courtesy of D-Link Corporation and TP-LINK Technologies Co., Ltd.)
References in periodicals archive ?
Broadcom Corporation (NASDAQ: BRCM), a global innovation leader in semiconductor solutions for wired and wireless communications, has announced the Wi-Fi Alliance selected Broadcom for its Wi-Fi CERTIFIED Passpointacents Test Bed.
products to the Wi-Fi CERTIFIED Passpoint test bed, and commend their commitment
said it has been selected to participate in the Wi-Fi Alliance's Wi-Fi Certified Passpoint test suite and its devices are among the first to be certified in the program.
Ideal for multimedia applications on wireless networks, Wi-Fi CERTIFIED n devices can deliver five times or more throughput and more robust connections at up to twice the range of legacy 802.
Having met the rigorous requirements for Wi-Fi CERTIFIED 802.
The Wi-Fi Alliance, comprised of more than 170 members that supply more than 450 Wi-Fi CERTIFIED products, worked with the Institute of Electrical and Electronics Engineers (IEEE) 802.
The Wi-Fi certification for the BWG-3511 will also give the cable operators the ability and confidence to deploy wireless home networks with the knowledge that the BWG-3511's access point will interoperate with any other Wi-Fi certified networking products in the marketplace.
Wi-Fi[R], Wi-Fi Alliance[R], WMM[R], Wi-Fi Protected Access[R] (WPA), the Wi-Fi CERTIFIED logo, the Wi-Fi logo, the Wi-Fi ZONE logo and the Wi-Fi Protected Setup logo are registered trademarks of the Wi-Fi Alliance.
M2 EQUITYBITES-June 26, 2012-Wi-Fi Alliance announces device and infrastructure testing for Wi-Fi CERTIFIED Passpoint programme(C)2012 M2 COMMUNICATIONS http://www.
TELECOMWORLDWIRE-June 26, 2012-Wi-Fi Alliance announces device and infrastructure testing for Wi-Fi CERTIFIED Passpoint programme(C)1994-2012 M2 COMMUNICATIONS http://www.
The Wi-Fi Alliance has instituted a test suite that defines how member products are tested to certify that they are interoperable with other Wi-Fi CERTIFIED products.
NASDAQ:ARUN) today announced that its Wireless LAN (WLAN) has been selected as part of the Wi-Fi CERTIFIED[TM] Voice-Enterprise and Wi-Fi CERTIFIED WMM([R])-Admission Control certification programs from the Wi-Fi Alliance[R], which aim to drive standards-based certification of wireless infrastructure with client devices for enterprise voice over Wireless LAN deployments.