Such an access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors. Compatible devices can connect to each other over Wi-Fi through a wireless access point as well as to connected Ethernet devices and may use it to access the Internet. Wi-Fi uses multiple parts of the IEEE 802 protocol family and is designed to seamlessly interwork with its wired sister protocol Ethernet.Devices that can use Wi-Fi technologies include desktops and laptops, smartphones and tablets, smart TVs, printers, digital audio players, digital cameras, cars and drones. Wi‑Fi is a trademark of the Wi-Fi Alliance, which restricts the use of the term Wi-Fi Certified to products that successfully complete interoperability certification testing.
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For the radio station, see WIFI (AM).Wi-FiThe old Wi-Fi Alliance logoIntroducedSeptember 1998 20 years ago (1998-09)Compatible hardwarePersonal computers, gaming consoles, televisions, printers, mobile phonesPart of a series onAntennasCommon typesDipoleFractalLoopMonopoleSatellite dishTelevisionWhipComponentsBalunBlock upconverterCoaxial cableCounterpoise (ground system)FeedFeed lineLow-noise block downconverterPassive radiatorReceiverRotatorStubTransmitterTunerTwin-leadSystemsAntenna farmAmateur radioCellular networkHotspotMunicipal wireless networkRadioRadio masts and towersWi-FiWirelessSafety and regulationMobile phone radiation and healthWireless electronic devices and healthInternational Telecommunication Union(Radio Regulations)World Radiocommunication ConferenceRadiation sources / regionsBoresightFocal cloudGround planeMain lobeNear and far fieldSide lobeVertical planeCharacteristicsArray gainDirectivityEfficiencyElectrical lengthEquivalent radiusFactorFriis transmission equationGainHeightRadiation patternRadiation resistanceRadio propagationRadio spectrumSignal-to-noise ratioSpurious emissionTechniquesBeam steeringBeam tiltBeamformingSmall cellBell Laboratories LayeredSpace-Time (BLAST)Massive Multiple-input multiple-output (MIMO)ReconfigurationSpread spectrumWideband Space DivisionMultiple Access (WSDMA)vteWi-Fi (/waɪfaɪ/) is a family of radio technologies that is commonly used for the wireless local area networking (WLAN) of devices which is based around the IEEE 802.11 family of standards.
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From Wikipedia, the free encyclopedia Jump to navigation Jump to search wireless local area network technology based on IEEE's 802.11 standards'WIFI' redirects here.
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