China Digital TV Holding Co., Ltd. is a holding company. The Company is a provider of conditional access (CA) systems to the People's Republic of China's (PRC) digital television market. The Company's CA systems, including smart cards, head-end software for television network operators and terminal-end software for set-top box manufacturers, enable digital television network operators in the PRC to control the distribution of content and value-added services to their subscribers and block unauthorized access to their networks. The Company has installed CA systems at around 436 digital television network operators in 31 of the 32 provinces, autonomous regions and centrally administered municipalities in the PRC. In addition, the Company sells digital television application software to digital television network operators. Its subsidiaries include China Digital TV Technology Co., Ltd., Golden Benefit Technology Limited and China Super Media Holdings Limited, among others.