Under License No.26/GP-BTTTT of the Ministry of Information and Communications (MIC), Viettel is testing a 5G mobile network on the C-Band with the 3700MHz - 3800MHz frequency in Ho Chi Minh City.
ຕາມຂໍ້ກໍານົດໃນໃບອະນຸຍາດເລກທີ 26/GP-BTTTT ຂອງກະຊວງຖະແຫຼງຂ່າວ ແລະສື່ສານຫວຽດນາມ, Viettel ກໍາລັງທົດລອງເຄືອຂ່າຍໂທລະສັບມືຖື 5G ໃນ C-Band, ຄວາມຖີ່ 3700MHz - 3800MHz ຢູ່ນະຄອນໂຮ່ຈີມິນ.