Viettel expands 4G coverage nationwide
As of March 16, the military-run telecom group Viettel had set up nearly 18,000 4G base transceiver stations (BTSs), bringing the technology to 704 districts in 63 provinces and cities.
As of March 16, the military-run telecom group Viettel had set up nearly 18,000 4G base transceiver stations (BTSs), bringing the technology to 704 districts in 63 provinces and cities.