FAQEU

RED FAQ Radio Modules

RF modules and components with embedded RF modules can themselves be radio equipment under Directive 2014/53/EU when placed on the EU market before integration.

For the host product, module certificates and test reports are supporting evidence. They do not replace the final-product RED assessment, technical documentation, declaration, instructions, and responsibility record.

Author
Sorena AI
Published
May 9, 2026
Updated
Jul 24, 2026
Questions
5

Structured answer sets in this page tree.

Primary sources
2

Cited legal and guidance references.

Publication metadata
Sorena AI
Published May 9, 2026
Updated Jul 24, 2026
Overview

Assess radio-module products in two layers. First, decide whether the or RF component placed on the EU market is in its own right. Second, assess the final placed on the EU market. The final-product manufacturer may reuse module assessments, but remains responsible for the conformity of the whole radio equipment and must show that the module is used within the assessed antenna, software, enclosure, power, installation, spectrum, EMC, safety, and intended-use conditions.

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5 of 5 questions
Question 1

Are RF modules covered by the Radio Equipment Directive?

Yes. The Commission RED Guide treats RF modules and components with an embedded as where they meet the RED definition and are placed on the EU market before integration into another product. The guide also treats an integrated circuit as radio equipment when it has the capacity to receive or transmit radio signals and is intended to be integrated into another product as a standalone radio function. This is Commission guidance on applying the Article 2 definition, not a separate certification category in the Directive.

Integration can create further obligations. The guide says its component analysis is without prejudice to new obligations that may arise when radio components are integrated into another product.

  • Identify whether the item being bought, sold, or imported is an , a component with an embedded RF module, an integrated circuit with radio transmit or receive capability, or a finished .
  • For a module placed on the EU market before integration, keep the module's RED conformity evidence and integration instructions, tied to its hardware, firmware, antenna, power, and operating limits.
  • For the , run a final-product assessment instead of relying only on the module label, supplier declaration, or certificate.

Can a host manufacturer rely on a certified radio module without further RED work?

No. Module evidence is useful input, but the final placed on the EU market still needs its own RED assessment. The manufacturer may use assessments already performed for components or parts, while remaining responsible for the conformity of the whole product; the RED Guide states that reused component assessments may not be sufficient to demonstrate conformity of the whole radio equipment.

What should the module supplier provide?

For a radio module placed on the EU market before integration, keep the supplier's RED evidence, declaration information, test evidence, and instructions. The Commission guide says the module manufacturer should assess risks identifiable at the stage of placing the module on the EU market and provide instructions which, if followed, will ensure that the module remains compliant.

Citations
European Commission RED Guide

Commission guidance identifying RF modules and embedded RF modules as radio equipment when placed on the EU market before integration, and warning that integration can create further obligations.

Question 2

How should the host product be assessed?

Start with the final product and intended market placement. If the is because it intentionally emits or receives radio waves for radio communication or radiodetermination, map the final product to the applicable Article 3 requirements, not just to the module test report.

Article 17 requires to take into account all intended operating conditions. For Article 3(1)(a), the assessment also takes reasonably foreseeable conditions of use into account. The RED Guide adds that where can take different configurations, the conformity assessment should confirm compliance in all possible configurations.

  • Confirm the exact host model, hardware revision, firmware version, radio modes, intended use, accessories, and EU market placement role.
  • Check whether the host changes the module's assessed conditions: antenna type or placement, enclosure, shielding, cables, power supply, source support, ports, firmware settings, duty cycle, operating modes, installation position, user configuration, or intended environment.
  • Map Article 3(1)(a) safety and health, Article 3(1)(b) EMC, Article 3(2) efficient spectrum use, and any applicable Article 3(3) requirement to final-product evidence.
  • Use module reports only for the requirements, configurations, and conditions they actually cover; supplier branding such as pre-certified or RED-approved does not transfer final-product responsibility.
Citations
European Commission RED Guide

Commission guidance explaining final-product responsibility, use of prior component assessments, and assessment across intended operating conditions and configurations.

Recommended next step

Review the host product before relying on module evidence

Map the RF module and final host product separately, then check that module evidence, antenna and software assumptions, Article 3 coverage, instructions, DoC wording, and technical documentation support the exact configuration placed on the EU market.

Question 3

What module and host evidence belongs in the technical documentation?

The should let a reviewer connect the module evidence to the exact final . Annex V requires a general product description, relevant photos or illustrations, marking and internal layout, software or firmware versions affecting compliance, user information, installation instructions, drawings, standards or other technical specifications, the EU declaration, and test or examination results where applicable.

When the host manufacturer reuses assessments performed for components or parts, the RED Guide says those assessments should be included in the . The record should also explain why the host configuration stays inside the module supplier's conditions, or what added analysis or testing covers deviations.

  • Keep module DoC or supplier declaration information, module test reports, module installation instructions, approved antenna conditions, radio parameters, firmware assumptions, and limitations.
  • Keep host evidence for antenna location, enclosure, shielding, cable routing, power supply, source support, ports, accessories, software settings, labels, packaging, instructions, and intended operating configurations.
  • List harmonised standards applied in full or in part; where harmonised standards are not applied or are only partly applied, describe the solutions used to meet Article 3.
  • If Annex III EU-type examination is used, include the EU-type examination certificate and annexes from the notified body.
Citations
Directive 2014/53/EU on radio equipment

Article 21 and Annex V define RED technical-documentation contents, including product description, software or firmware affecting compliance, user information, standards, other specifications, DoC, certificates, and test results.

European Commission RED Guide

Commission guidance stating that prior component or part assessments used for the radio equipment assessment should be included in the technical documentation.

Question 4

What should instructions and the EU declaration say for a module-based product?

Instructions matter because they define how the is intended to be used. Article 10(8) requires instructions and safety information in a language easily understood by consumers and other end-users as determined by the Member State concerned. For intentional transmitters, the instructions also need frequency bands and maximum transmitted radio-frequency power information.

For accessories, components, and software that allow the to operate as intended, the RED Guide focuses on items that influence conformity and are intended to be installed or changed by the user without the manufacturer's control. If the equipment is delivered without an antenna, the guide says the technical features of the antenna that may be used with the radio equipment should be provided to the user and mentioned in the DoC where needed.

  • State allowed antennas, antenna characteristics, installation limits, separation or mounting assumptions, power supply limits, firmware or software constraints, and supported radio modes where those facts affect compliance.
  • Do not leave module integration conditions only in supplier files; carry the relevant conditions into host instructions, , and release checks.
  • Keep the DoC designation aligned with the product, module configuration, accessories, components, and software that allow the to operate as intended.
  • If restrictions on putting into service or authorisation requirements apply, keep packaging and instruction evidence aligned with Article 10(10) analysis.
Citations
Directive 2014/53/EU on radio equipment

Article 10 grounds manufacturer duties for instructions, safety information, frequency band and power information, restriction information, EU declaration, and CE marking.

European Commission RED Guide

Commission guidance explaining instruction and DoC treatment for accessories, components, software, and antennas that affect conformity or are user-installed or user-changed.

Question 5

When should a radio-module assessment be reopened?

Reopen the assessment when the product facts no longer match the evidence. A module test report or certificate is strongest when the host uses the same radio configuration, antenna conditions, software assumptions, installation limits, and intended environment that were assessed.

A change does not automatically mean the product fails, but it does need a documented review. The record should decide whether existing module and host evidence remains sufficient, whether additional testing or analysis is needed, whether a notified body route is triggered, and whether the DoC, instructions, labels, or must be updated.

  • Review after changes to antenna, enclosure, shielding, power supply, ports, cables, source support, firmware, radio settings, accessories, installation instructions, intended use, market restrictions, or applicable standards.
  • Review when a supplier replaces the module, changes the module firmware, changes allowed installation conditions, or updates the module declaration or test report.
  • Review before private-labelling, importing, or modifying a module-based product in a way that may shift manufacturer responsibility or affect conformity.
Citations
Directive 2014/53/EU on radio equipment

Primary source for manufacturer responsibility to ensure radio equipment is designed and manufactured in accordance with Article 3 and for technical documentation and declaration duties.

European Commission RED Guide

Commission guidance used for changes that affect integration assumptions, instructions, intended use, and final-product responsibility.

Primary sources

References and citations

eur-lex.europa.eu
Referenced sections
  • Primary source for manufacturer responsibility to ensure radio equipment is designed and manufactured in accordance with Article 3 and for technical documentation and declaration duties.
"designed and manufactured in accordance with the essential requirements"
ec.europa.eu
Referenced sections
  • Commission guidance used for changes that affect integration assumptions, instructions, intended use, and final-product responsibility.
"reused assessment of the components or parts may not be sufficient"
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