Wi-Fi - Wikipedia
网页Wi-Fi (/ ˈ w aɪ f aɪ /) [1] [a] 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 ...
Understanding Wi-Fi and How It Works - Lifewire
网页2021年6月17日 · Wi-Fi is a wireless networking protocol that devices use to communicate without direct cable connections. It's an industry term that represents a type of wireless local area network (LAN) protocol based on the 802.11 IEEE network standard.
What Is Wi-Fi? - Definition and Types - Cisco
网页Wi-Fi is a wireless networking technology that allows devices such as computers (laptops and desktops), mobile devices (smart phones and wearables), and other equipment (printers and video cameras) to interface with the Internet. It allows these devices--and many more--to exchange information with one another, creating a network.
Wi-Fi | Definition, Name, & Facts | Britannica
网页2024年10月5日 · Wi-Fi, networking technology that uses radio waves to allow high-speed data transfer over short distances. Within each frequency channel, Wi-Fi uses a ‘spread spectrum’ technique in which a signal is broken into pieces and transmitted over multiple frequencies.
What Is Wi-Fi, and How Does It Work? - How-To Geek
网页2023年2月12日 · Wi-Fi is a wireless networking technology used by computers, smartphones, and other devices to connect to the internet or other devices. It's based on a set of wireless communication standards developed by the Institute of Electrical and Electronics Engineers (IEEE). These standards are also known as IEEE 802.11.
What Is Wi-Fi and How Does It Work? - Digital Trends
网页2021年3月28日 · Wi-Fi is a wireless connection to that device, not the internet itself. It also provides access to a local network of connected devices, which is why you can print...
What Does ‘Wifi’ Stand For (and How Does It Work)? - Lifehacker
网页2024年1月26日 · Wifi is a wireless networking technology that lets you wirelessly connect to the internet. It's also sometimes known as 802.11, which is the name of the standard by the IEEE (Institute of...
How WiFi Works | HowStuffWorks
网页2024年2月26日 · A computer's wireless adapter translates data into a radio signal and transmits it using an antenna. A wireless router receives the signal and decodes it. The router sends the information to the internet using a physical, wired ethernet connection.
How Does Wi-Fi Work? | Britannica - Encyclopedia Britannica
网页Wi-Fi has become an integral part of our fast-paced everyday lives. Thanks to Wi-Fi, we no longer have to be tethered to the Internet with cables. But have you ever stopped to wonder how it works? Wi-Fi uses radio waves to transmit information between your device and a router via frequencies.
Discover Wi-Fi - Wi-Fi Alliance
网页For two decades Wi-Fi has changed the way the world operates and communicates. Wi-Fi technology, based on the Institute of Electrical and Electronics Engineers (IEEE) wireless communication standard 802.11, has continually improved, with each generation bringing faster speeds, lower latency, and better user experiences in a multitude of ...