Simple definition
Wi-Fi enables devices to connect to a local network wirelessly using IEEE 802.11 technology.
Technical definition
Wireless access points operate on radio frequency bands and channels. Security is typically provided by WPA2 or WPA3, while coverage and throughput depend on signal strength, interference, client capabilities and network load.
What is Wi-Fi used for?
Connect laptops, smartphones, tablets and other wireless devices to a local network.
Practical example
A company can provide a secured corporate SSID and a separate guest SSID, with traffic isolated using VLANs and firewall policies.
Common issues
- Saturated channels
- Low signal or obstacles
- Password or incompatible security method
- Imaging misconfigured between terminals
Related terms
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.