RTL Television is a German commercial television station. It started as a spin-off of Radio Luxembourg in the early 1980s, then moved its headquarters later that decade to Cologne, Germany.
RTL is best known in boxing for broadcasting fights of Henry Maske, Axel Schulz, and the Klitschko brothers. In 2007, RTL showed the fights of Oscar De La Hoya vs. Floyd Mayweather Jr. and Floyd Mayweather Jr. vs. Ricky Hatton.
RTL broadcasts Free-To-Air, and is received via cable, satellite (Astra 19,2° East), and DVB-T in some parts of Europe.
Official site (in German)