The Ministry of Science and Technology (MST) of Vietnam issued Circular No. 01/2025/TT-BKHCN on March 31, 2025, amending and supplementing Circular 08/2021/TT-BTTTT. Key updates include opening the 6 GHz band (5925–6425 MHz) for WLAN/RLAN devices and adjusting the frequency range for wireless charging devices to 315–400 kHz. The Circular takes effect on May 15, 2025.