And by this stage of our viewing of the TV channels of digital TV business models similar to commercialization of CMMB mobile TV operations will have on your condition to receive authorization control information system for scrambling control word encryption transmission, therefore does not have a similar account of things, you will not be able to see more of the show.At present except for the first batch of network coverage includes 36 provincial capitals and cities like Beijing and Guangzhou CA encryption has been done, CA 158 other cities in China are introduced signal encryption, only one channel of TV program CCTV, watch other channels not directly.The first network 30 cities will now also be able to see that 7 to 10 channels (as the local circumstances may be), but will also start in the second half is expected to encrypt the signals.