ITU-R Recommendations

• the use of a vast range of wireless services, including popular new mobile communication technologies:
• the management of the radio-frequency spectrum and satellite orbits;
• the efficient use of the radio-frequency spectrum by all radiocommunication services ;
• terrestrial and satellite radiocommunication broadcasting;
• radiowave propagation;
• systems and networks for the fixed-satellite service, for the fixed service and the mobile service;
• space operation, Earth exploration-satellite, meteorological-satellite and radio astronomy services.

The ITU-R Recommendations are approved by ITU Member States. Their implementation is not mandatory; however, as they are developed by experts from administrations, operators, the industry and other organizations dealing with radiocommunication matters from all over the world, they enjoy a high reputation and are implemented worldwide.