No operators submit applications in 4G and 5G frequency auctions stockbot 0 22 2023.06.10 10:37 https://vietnamnews.vn/economy/1549606/no-operators-submit-application… + 4 https://vietnamnews.vn/rss/economy.rss + 4 MIC held an auction of the 2300MHz band, including three blocks of bands A1 (2300-2330 MHz), A2 (2330-2360 MHz), A3 (2360-2390 MHz) on May 15, May 25 and June 2 this year.