Overview
Wi-Fi allows devices to connect to a network wirelessly using radio waves. It is the standard for wireless LANs (WLANs) in homes, offices, and public spaces.
Key Standards
- 802.11n (Wi-Fi 4): Introduced MIMO and higher speeds.
- 802.11ac (Wi-Fi 5): Operates in the 5GHz band with even higher throughput.
- 802.11ax (Wi-Fi 6/6E): Improved efficiency in crowded environments.
- 802.11be (Wi-Fi 7): The latest standard for ultra-high speeds.
Security
- WPA2: The long-standing standard for Wi-Fi security.
- WPA3: The latest and most secure encryption protocol.