Introduction: The EN 301 489 Test Report is the core document used to prove that a wireless product complies with the Electromagnetic Compatibility (EMC) requirements of the RED Directive when entering the EU market. It is typically issued by an ISO/IEC 17025 accredited laboratory after testing in accordance with the ETSI EN 301 489 series of standards. For most products, it must be combined with RF, Safety, and other reports, and a DoC (Declaration of Conformity) must be signed before the CE mark can be affixed.

EN 301 489 is an electromagnetic compatibility standard for radio equipment published by ETSI, and it belongs to the series of harmonized standards commonly used under the eu red directive (Radio Equipment Directive 2014/53/EU). A test report issued by JJR, a CNAS and CMA qualified laboratory, after testing is used to prove that:
1.The equipment will not generate excessive electromagnetic disturbance (Radiated Emission, Conducted Emission).
2.The equipment can maintain basic functions in an external electromagnetic environment (Immunity to ESD, EFT, Surge, Voltage Dips, etc.).
3.The wireless module and the entire system will not cause unacceptable mutual interference.
Common Standard Parts:
As long as a product intentionally transmits/receives radio signals and is sold in the EU, it generally requires EN 301 489 emc testing:
1.Wi-Fi routers, Bluetooth headphones, Bluetooth speakers
2.Zigbee / Thread / Matter wireless devices
3.4G/5G modules, IoT terminals, automotive wireless modules
4.Smart plugs, cameras, and wearable devices with Wi-Fi
5.LoRa, NB-IoT, Sigfox terminals
Misconception: If the wireless module has a CE report, does the whole machine not need to be tested?Incorrect. Module certification cannot replace the EMC assessment of the complete device. The complete device still needs to be tested or undergo a difference assessment according to the relevant parts of EN 301 489.
First, confirm the following:
1.Wireless technology: Wi-Fi / BT / 4G / 5G / Zigbee
2.Frequency band: 2.4G / 5G / 868MHz / Sub-6G, etc.
3.Product form: Portable, fixed, automotive, industrial
4.Whether used close to the human body (determines if sar testing is required)
5.Whether it is a networked device (determines if RED cybersecurity requirements apply)
Usually, you need to prepare:
1.Product Specifications
2.User Manual
3.Circuit Schematic, Block Diagram
4.PCB Layout, BOM (Bill of Materials)
5.Antenna Specification / Gain Chart
6.Fixed-frequency software and operating instructions (often required for Wi-Fi / BT)
7.Label draft, eu authorized representative information
8.Existing RF / Safety / SAR reports (if applicable)
Performing an EMC pre-scan before formal submission can help discover issues in advance:
1.Clock harmonic radiation exceeding limits
2.Power loop conducted disturbances
3.MCU resets caused by static electricity (ESD)
4.Degradation of Wi-Fi receiver sensitivity
Pre-testing can significantly reduce the failure rate of formal testing and rework costs.
JJR Lab performs tests according to EN 301 489-1 + the corresponding specific part:
1.Radiated Emission
2.Conducted Emission
3.Electrostatic Discharge (ESD)
4.Electrical Fast Transient/Burst (EFT/Burst)
5.Surge
6.Radiated Susceptibility / Radio-Frequency Electromagnetic Field Immunity (RS)
7.Voltage Dips and Interruptions
During immunity testing, performance criteria A/B/C must also be defined. For example, continuously transferring files during a Wi-Fi router test to monitor throughput and packet loss rate.
After passing the test, the laboratory issues:
1.EN 301 489 EMC Test Report
2.Test Summary
3.Appendix with raw data
4.Photographs of samples and test setups
This report will be included in the Technical Documentation / TCF as evidence of ce red compliance.
An EN 301 489 report itself does not equal a ce certificate. Subsequent steps include:
1.RF Testing: EN 300 328 / EN 301 893 / EN 303, etc.
2.Safety: EN 62368-1
3.SAR/EMF: As applicable
4.Cybersecurity: Assessed for networked devices according to new RED requirements
5.Sign the EU Declaration of Conformity (DoC)
6.Affix the CE mark, and retain technical documents for at least 10 years
(Note: Original text skips Section IV)
Many clients confuse these two documents:
1.EN 301 489 Test Report: The EMC test result document, issued by a laboratory.
2.CE RED Certificate / CoC: The conformity assessment document, which may be issued by a Notified Body (NB) or the manufacturer based on technical documentation.
3.DoC: The manufacturer's self-declaration that the product complies with the RED Directive and applicable standards.
4.CE Mark: The compliance logo affixed to the product, not a "certificate" itself.
If you are a buyer or brand owner, don't just say "give me the CE report". You should request:
1.The EN 301 489-1 and the specific part test reports
2.The laboratory's ISO/IEC 17025 qualification scope
3.Sample model, hardware version, and firmware version
4.A list of tested frequency bands and operating modes
5.Whether the RF, Safety, and SAR reports are complete
6.Whether the standards cited in the DoC include EN 301 489
No, it cannot be used as third-party compliance evidence. You can do internal pre-testing yourselves, but exporting to the EU usually requires a report from an ISO/IEC 17025 accredited laboratory.
Yes. US and EU standards, limits, test methods, and judgment criteria are different. The RED market does not accept FCC reports as a substitute for EN 301 489.
Yes. The module report cannot cover the complete device's power supply, enclosure, screen, relays, antenna layout, and multi-mode coexistence interference.
The standard itself does not have a fixed "expiration date". However, if the product's antenna, PCB, RF chip, or power supply scheme is modified, or if the standard version is updated, a re-assessment or supplemental testing is required.
A: Listing wireless products usually requires a full set of RED documentation: RF + EMC (EN 301 489) + Safety + DoC. Providing only a general EMC report is often rejected.
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