MetroPCS currently operates the fifth largest mobile telecommunications network in the United States with 9.5 million subscribers as of January 2012 , using CDMA technology to offer service in addition to its 4G network using LTE .
MetroPCS currently operates the fifth largest mobile telecommunications network in the United States with 9.5 million subscribers as of January 2012 . 
 MetroPCS uses CDMA technology to offer service in addition to its 4G network using LTE .