No Smooth Sailing for Beijing’s 4G services

Beijing s 4G Service   YouTubeFourth generation wireless networks or 4G allow data download speeds of up to 80 megabytes a second four times faster than 3G. China’s biggest carrier China Mobile rolled out the service last year, but it hasn’t been smooth sailing.  Users say, limited access underground and high costs are stopping them from using 4G services. CCTV’s Grace Brown reports.