Sprint adds 20 new LTE markets

US mobile network Sprint has extended its LTE coverage to 20 new markets, taking the total number of cities in which the service is available to 402, the firm said. It also introduced its Spark service, which takes advantage of LTE-Advanced techniques including carrier aggregation, in two new markets. Sprint said that it expects to have LTE coverage of more than 250 million people by the mid point of 2014.