1. Basic cable TV set-top box. The so-called basic type means that its functions mainly cover some basic services, that is, it can meet the basic functions of free digital TV services and paid digital TV services. Of course, in addition, it also has the functions of receiving authorized digital TV services, Chinese display, program preview, software upgrade, encrypted information prompt, fault prompt, etc.
2. Interactive cable TV set-top box. The functions of this kind of set-top box are broader and more complete than those of the basic type. In addition to the basic type of functions, there are also functions such as pay per view, local interaction, data broadcasting and broadcast video on demand.
3. High definition cable TV set-top box. This type of business has the most complete functions. On the basis of the above two, it also has functions such as video on demand, Internet browsing, e-mail sending and receiving, interactive games and IP phone services, which can also give people a high-definition intelligent viewing experience.