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South Korean RRA releases EMC standard update announcement, involving multiple EMC standards
Time：
2025-06-23
The National Radio Research Agency (RRA) of South Korea has revised the EMC (Electromagnetic Compatibility) testing standards for some wireless devices, and the new regulations will affect the certification process for wireless communication, broadband equipment, and DECT products.
The National Radio Research Agency (RRA) of South Korea issued Announcement No. 2025-41 on June 5, 2025, revising the EMC (Electromagnetic Compatibility) testing standards for some wireless devices, involving version updates for multiple KS standards. The new regulations will affect the certification process for wireless communication, broadband equipment, and DECT products, and companies need to adjust their testing plans in a timely manner to ensure compliance.
Standard List
| Equipment category | Original standard | Updated standards | Corresponding to international standards |
| General wireless communication products |
KS X 3124:2020 | KS X 3124:2024 | ETSI EN 301 489-1:2019 |
| Broadband wireless communication products | KS X 3126:2020 | KS X 3126:2024 | ETSI EN 301 489-17:2020 |
| DECT equipment | KS X 3128:2014 | KS X 3128:2024 | ETSI EN 301 489-6 V2.2.1 |
Key changes
1. KS X 3124:2024 (General EMC Standard)
Updated to ETSI EN 301 489-1:2019, there may be adjustments to the Radiated Immunity and Conducted Emissions test limits.
Suitable for all wireless communication devices, such as Wi Fi, Bluetooth, cellular modules, etc.
2. KS X 3126:2024 (EMC standard for broadband equipment)
Updated to ETSI EN 301 489-17:2020, which may affect the testing methods for 5G/Wi Fi 6 devices.
3. KS X 3128:2024 (DECT equipment EMC standard)
Adopting the latest version of ETSI standard (V2.2.1) may strengthen the requirements for harmonic current (Harmonics) and voltage fluctuation (Flicker) testing.
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