China Mobile plans to build more than 500,000 4G base stations by the end of 2014. Operator will enable 4G international roaming services in another 50 countries or regions, reports Xinhua. 

China Mobile currently extends 4G roaming services to Brazil, Hong Kong, Japan, Republic of Korea, Singapore, Taiwan and the United States.

Currently operator has 14 million 4G subscribers and plans to have 50 million 4G users by the end of the year.