WiMAX Forum established two main frequency bands in certication profile for Fixed WiMAX (band 5.3 GHz and 5.8 GHz), while the fourth set for Mobile WiMAX frequency bands in the system-a release profile, ie the band 2.3 GHz, 2.5 GHz, 3.3 GHz and 3.5 GHz .
Generally, there are several alternative frequencies for WiMAX technology in accordance with the frequency map of the world. From the alternative frequency band 3.5 GHz to Fixed WiMAX frequencies majority in some countries, especially for countries in Europe, Canada, Middle East, Australia and parts of Asia. While the majority of the frequencies used for Mobile WiMAX at 2.5 GHz.
Issues Fixed WiMAX frequencies in the 3.3 GHz band that only appeared in Asian countries. This is related to the use of 3.5 GHz band for satellite communications, as well as in Indonesia. 3.5 GHz band used by satellites in Indonesia Telkom and PSN to provide IDR and broadcast TV services. Thus the use of a joint between the satellite and terrestrial wireless (BWA) in the 3.5 GHz frequency will cause the potential for interference, especially on the side of the satellite.