CMMB (China Multimedia Mobile Broadcasting) is a mobile television and multimedia standard developed and specified in China by SARFT. It is based on the Satellite and Terrestrial Interactive Multiservice Infrastructure (STiMi), developed by TiMiTech, a company formed by the Chinese Academy of Broadcasting Science. It is to some extent similar to Europe’s DVB-SH standard for digital video broadcast from both satellites and terrestrial repeaters to handheld devices.

It specifies usage of the 2.6 GHz frequency band and occupies 25 MHz bandwidth within which it provides 25 video and 30 radio channels with some additional data channels. Multiple companies have chips that support CMMB standard – Innofidei who was the first with a solution March 28, 2007, Siano Mobile Silicon(with the SMS118x chip family, which support diversity and have superb performance).

At the same time, it is also supported by many software, among the most popularly used ones are BlazeVideo HDTV Player.