The term WiMAX stands for Worldwide Interoperability for Microwave Access.

16d  fixed
16e mobile wimax
WiMAX has greater coverage diatance than WiFi or WLAN. WiFi cover range of about 30 m, while WiMAX cover radius of about 50 km. WiMAX should be able to support data rate of about 70Mbps theoretically with higher modulation scheme such as QAM.