On December 29, 2023, MIC of Vietnam posted the circular 20/2023/TT-BTTTT. The circular approves new standard QCVN 117:2023/BTTTT for GSM, W-CDMA, UTRA Land Mobile User Equipment.
The new main points of QCVN 117:2023/BTTTT are as follows:
1. VoLTE is mandatory
2. Additional LTE bands:
1) LTE B28: 703MHz – 733MHz / 758MHz – 788MHz
2) LTE B40: 2300MHz – 2400MHz
3) LTE B41: 2500MHz ~ 2690MHz
The circular takes effect from February 15, 2024, having transition period as follows:
- February 15, 2024 ~ June 30, 2024: Either QCVN 117:2020/BTTTT or QCVN 117:2023/BTTTT are applicable
- From July 1, 2024: QCVN 117:2023/BTTTT is mandatory
Even though it is optional to apply the new standard until June 30, 2024, the manufacturers are encouraged to apply QCVN 117:2023/BTTTT from the effective date of the circular.
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