Wi-Fi

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, restaurants, hotels, libraries, and airports.

AI overview

Wi-Fi is a wireless technology that lets nearby digital devices connect to each other and to the internet using radio waves, following a set of technical standards. It's the most common way people access the internet wirelessly at home and in public places like coffee shops and airports.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Protocol.image: WiFi Logo.svg
Protocol.image upright: 0.5
Protocol.alt: A round black-and-white yin-yang logo stating 'Wi-Fi Alliance'
Protocol.hardware: Personal computers, video game consoles, smart devices, televisions, printers, security cameras

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Wikidata facts

Image: WLAN PCI Card cleaned.png

Show 5 more facts

publication date: 1998-00-00
Commons category: Wi-Fi
Stack Exchange tag: stackoverflow.com/tags/wifi
inception: 1997-09-21
hashtag: wifi

Sources (8)

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Article

46 sections

Contents

History
Etymology and terminology
Certification
Versions and generations
Uses
Internet
City-wide
Geolocation
Motion detection
Operational principles
Waveband
Communication stack
Modes
Infrastructure
Ad hoc and Wi-Fi direct
Multiple access points
Performance
Transmitter power
Antenna
MIMO (multiple-input and multiple-output)
Radio propagation
Distance records
Interference
Throughput
Hardware
Access point
Wireless adapter
Router
Bridge
Repeater
Embedded systems
Security
Securing methods
Data security risks
Piggybacking
Societal aspects
Influence on developing countries
Work habits
Housing
Health concerns
Alternatives
See also
Explanatory notes
References
Further reading
External links

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. Non-compliant hardware is simply referred to as WLAN, and it may or may not work with "Wi-Fi Certified" devices. the Wi-Fi Alliance consisted of more than 800 companies from around the world. over 3.05 billion Wi-Fi-enabled devices are shipped globally each year.