On the newly bought Lenovo TD mobile phone, you can only watch 2 channels for free in Guangzhou, and everything else will be charged.
The signal of CMMB basically covers the whole country.
CMMB is a mobile TV, which will play all the time. (However, when the mobile communication technology develops to the point where the traffic fee generated by watching TV online is very small, CMMB with vague charges will be squeezed out of the market. )