Complex sentence: S-DMB, T-DMB, DVB-H, OMA 1, and OMA 2, and technology for digital rights management (DRM), business support systems and set-top box software.
Split into simpler sentences: S-DMB, T-DMB, DVB-H, OMA 1, and OMA 2. The company also develops technology for digital rights management (DRM), business support systems and set-top box software.