Korea Updates EMC Standards for PSD Sensors, Effective July 2026

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On December 31, 2025, the National Radio Research Agency (RRA) issued Notification No. 2025-22, amending part of the EMC standards as a public safety measure in response to malfunction issues of platform screen door (PSD) sensors caused by broadband 5G mobile communication signals. The amendment aims to ensure the broadband radiation immunity of PSD laser sensors (or LiDAR sensors).


This notification will take effect on July 1, 2026.



Key Amendment

• Addition of immunity criteria for enclosure ports (equipment under test)

Test item

Test condition

Unit

Test method

Performance criterion

Remarks

Broadband radiated RF electromagnetic field

3400 ~ 3700

MHz

Upon formal establishment of the national standard (KS C IEC 61000-4-41), the relevant standard will be applied.

A

• This requirement applies only to the laser sensors (or LiDAR sensors) of platform screen doors (PSDs), and one of the five test conditions (criteria) is selected and applied.

• The test signal uses the 5G TM1.1 100 MHz modulated signal, and detailed information on the signal can be found in Annex K of KS C 9835.

20

28

38

56

80

V/m

V/m

V/m

V/m

V/m

GCA Korea provides expert support for global companies navigating Korea’s regulatory requirements, including KC Certification.

Our expertise covers KC EMC, KC Safety, KC Energy Efficiency, KC Automotive Components, KCsEx (ATEX, IECEx), and MFDS (Korean Medical Devices).

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