... (OFDM)●IEEE 8 02. 11b (Wi-Fi)■11 Mbps (with fallback to 5.5, 2 and 1 Mbps) in the 2. 4 GHz band■Uses DSSS●IEEE 8 02. 11g■ 20 + Mbps in the 2. 4 GHz bandWireless Environment and Wireless LANs 32 WLANs/WPANs: ... for operation at 1 and 2 Mbps■DSSS, FHSS or infrared■Extensions (IEEE 8 02. 11b, IEEE 8 02. 11a, etc.) allow for operation at higher data rates and (in the case of 8 02. 11a) different frequency ... IEEE 8 02. 11b●Standard released in 1999● 2. 4 – 2. 483 GHz band●Uses DSSS●Data rates of up to 11 Mbps■Data rates are automatically adjusted for noisy conditions, so can operate at 1, 2, 5.5...