Hanoi-Vietnam: Issuance of spurious emission limits to protect other systems

20:50, 10/07/2024

This is an important provision under Circular 24/2017/TT-BTTTT stipulating the National technical regulation on Evolved Universal Terrestrial Radio Access (E-UTRA) Base Stations (BS).

Spurious emission is intended for the protection of UE/MS and BS/BTS receivers of other systems. The specified spurious emission limits are as follows:

Protected System	Frequency Band	Maximum Value	Measurement Bandwidth	Notes
GSM 900	925 MHz to 960 MHz	-57 dBm	100 kHz	This requirement does not apply to E-UTRA BS operating in band 8.
	880 MHz to 915 MHz	-61 dBm	100 kHz	For the frequency range of 880 MHz to 915 MHz, this requirement does not apply to E-UTRA BS operating in band 8 as specified in section 2.2.4.2.3.
GSM 1800	1,805 MHz to 1,880 MHz	-47 dBm	100 kHz	This requirement does not apply to E-UTRA BS operating in band 3.
1,710 MHz to 1,785 MHz	-61 dBm	100 kHz	This requirement does not apply to E-UTRA BS operating in band 3 as specified in section 2.2.4.2.3.
W-CDMA FDD 2100, E-UTRA band 1	2,110 MHz to 2,170 MHz	-52 dBm	1 MHz	This requirement does not apply to E-UTRA BS operating in band 1.
1,920 MHz to 1,980 MHz	-49 dBm	1 MHz	This requirement does not apply to E-UTRA BS operating in band 1 as specified in section 2.2.4.2.3.
W-CDMA FDD 1800, E-UTRA band 3	1,805 MHz to 1,880 MHz	-52 dBm	1 MHz	This requirement does not apply to E-UTRA BS operating in band 3.
1,710 MHz to 1,785 MHz	-49 dBm	1 MHz	This requirement does not apply to E-UTRA BS operating in band 3 as specified in section 2.2.4.2.3.
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Full regulation can be found in Circular 24/2017/TT-BTTTT effective from July 01, 2018.

- Thanh Lam -

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