June, 2022
The Ministry of Information and Communications (MIC) in Vietnam informs that the National technical regulation (123:2021/BTTTT) on Short-Range Device (SRD) — Radio equipment to be used in the 40-246 GHz frequency range — comes into force from July 1, 2022 in Vietnam.
This document specifies requirements for short-range radio transmitting and receiving devices of general use.
radio warning devices
radio remote control equipment
telemetry equipment
The document also sets the following bands and limits:
Spurious emission limits:
Unwanted radiated power:
Shall not exceed 2 nW (-57 dBm) on the frequency range 30 MHz to 1 GHz
Shall not exceed 20 nW (-47 dBm 1 MHz reference measurement bandwidth) in the frequency range above 1 GHz
When the equipment can operate in different modes and in different frequency bands, the applicant should declare these frequencies for each mode and frequency band.
The full text of the Circular here