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What Are the Relationship and Difference Between WLAN and Wi-Fi?
Wi-Fi is a trademark of the Wireless Local Area Networks Alliance (WLANA). It is actually not a standard and only ensures that products using this trademark can interoperate with each other. As most Wi-Fi products use the IEEE 802.11b standard, Wi-Fi usually refers to 802.11b. Wi-Fi is a new technology that uses the WLAN protocol.
Wi-Fi can provide wireless coverage in an area with a radius of up to 90 m (300 inches), while the WLAN can provide wireless coverage in an area with a radius 5 km (with antennas used). The biggest advantage of Wi-Fi is its high transmission speed (up to 11 Mbit/s). Wi-Fi is a short-distance wireless transmission technology applicable to offices and households.