TDF (which stands for TéléDiffusion de France officially renamed TDF in 2004) is a French company which provides radio and television transmission services, services for telecoms operators, and other multimedia services: digitization of content, encoding, storage, etc.
Its headquarters are located in Paris.
It is the dominant partner in the HDRR WiMAX consortium. It is also part of Digital Radio Mondiale.
Replaced in 1993 to make a separated companies to launch more channels: