China Digital TV Holding Co., Ltd., provides conditional access (CA) systems to the People's Republic of China digital television market. Its CA systems, which consist of 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 People's Republic of China to control the distribution of content and value-added services to their subscribers and block unauthorized access to their networks. The Company also develops and commercializes certain new solutions and products, including value-added digital television services, cloud computing technology based digital video delivery solutions and advanced digital television terminals. The Company's core products and services include end-to-end CA systems, including smart cards, head-end software and terminal-end software, other digital television application software for television network operators, and set-top box products.