摘要
Exactly on time, China Mobile, the nation＇s biggest telecom operator, rolled out a dual-mode LTE network in Hong Kong on December 18, 2012, cou- pling China＇s homegrown 4G time-division long-term evolution （TD-LTE） mode with the telecom titan＇s existing frequency division duplex （FDD）-LTE network, previously launched in the region in April,
