S-DMB (Satellite-DMB) was a hybrid version of the Digital Multimedia Broadcasting.
For outdoor and light indoor coverage is integrated with a terrestrial repeater (low power gap-filler) network for indoor coverage in urban areas.
On May 1, 2005 South Korea became the first country in the world to start S-DMB service.
The service provider was TU Media, subsidiary of SK Telecom.
service (2004–2009) of Mobile Broadcasting Corporation (MBCO).