S-DMB (Satellite-DMB) was a hybrid version of the Digital Multimedia Broadcasting. The S-DMB used the S band (2170-2200 MHz) of IMT-2000. and delivered around 18 channels at 128 kbit/s in 15 MHz. It incorporated a high power geostationary satellite, the MBSat 1 (since 2013, sold to Asia Broadcasting Satellite (ABS) of China). 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. The same satellite and system was used in Japan on the defunct MobaHo! service (2004-2009) of Mobile Broadcasting Corporation (MBCO).
(TU Basic Monthly fee is US approx. USD $9 = Korean Won at 11,000. However, if you are SK Telecom customer there is extra 6,000 won discount.)