Wi-Fi: Wireless Fidelity

Wireless Fidelity (WiFi or Wi-Fi), originally nicknamed for 802.11b for wireless LAN with bandwidth up to 11 Mbps, now refers to the entire wireless LAN technologies including 802.11a, 802.11b, 802.11g and 802.11n etc. Wi-Fi is actually the industry name for wireless LAN (WLAN) communication technology related to the IEEE 802.11 family of wireless networking standards.