1、main users
Terrestrial digital TV transmission system is one important part of digital television network an important part, its main users include the following:
(1) provinces, cities and counties of Radio, Film and Television System;
(2) highway, high-speed railway operator;
(3) large factories and mines, large shopping centers;
(4) other users;

2、market capability
There are currently more than four hundred million television users, including about one hundred and twelve million cable television users, and nearly three hundred million users distributed dispersedly. For these users, the cost is too high to cover by cable TV; In addition, Mobile TV business develops step by step, cable digital TV network could not overcome the limitations in mobile business, and this part of mobile TV users quantities will be grown explosively with the expansion of mobile TV content, new users will be hundreds of millions.

Therefore, above two categories demands will be the main power of digital TV terrestrial transmission system development..

3、domestic market analysis
According to conservative estimates, if 2500 counties all were calculated by ground coverage,  each county had to expend fifteen million yuan transmission equipment (not including broadcast equipment and set-top box) to cover completely, and the next seven years market scale will be about 37.5 billion. Moreover the large and medium-sized urban public transport channel coverage, high-speed railway and highway coverage, these digital TV market size is expected to be about twenty billion yuan. And two items are 57.5 billion yuan. Centron Communication will strive to gain 15% of the future digital terrestrial television coverage equipment market share.