FCC Requirements – Overview
Radio frequency transmitters and digital devices marketed in the United States require equipment authorization under the rules of the Federal Communications Commission (FCC). The FCC regulates radio frequency equipment through its equipment authorization framework established in Title 47 of the Code of Federal Regulations (47 CFR).
Depending on device functionality and regulatory classification, manufacturers must follow either Certification issued by an FCC-recognized Telecommunications Certification Body (TCB) or the Supplier’s Declaration of Conformity (SDoC) procedure. Authorization is required prior to marketing, importation, or sale in the United States.
Early identification of the applicable authorization pathway, test scope, and RF exposure requirements supports structured compliance planning and reduces regulatory risk during product development.
Key Takeaways
FCC authorization under 47 CFR Part 2 and Part 15 requires Certification for intentional radiators and SDoC for many unintentional radiators.
Certified devices must bear a valid FCC ID and be listed in the FCC equipment authorization database.
RF exposure evaluation (SAR or MPE) may be required depending on output power and use conditions.
Modular approval may be available for certain radio modules, subject to defined integration requirements.
Manufacturers remain responsible for continued compliance, record retention, and regulatory assessment of product modifications.
Practical implementation and certification support:
Structured assistance for FCC Certification, including test coordination, documentation review, FCC ID application, and labeling compliance.
Regulatory Framework
The Federal Communications Commission (FCC) is the regulatory authority responsible for spectrum management and radio equipment authorization in the United States. FCC rules governing equipment authorization are codified in Title 47 of the Code of Federal Regulations (47 CFR).
The equipment authorization framework is primarily structured under:
47 CFR Part 2 – Equipment authorization procedures, including Certification and Supplier’s Declaration of Conformity (SDoC) requirements.
47 CFR Part 15 – Technical and operational requirements for unlicensed radio frequency devices, including most intentional and unintentional radiators.
Service-Specific Parts – Additional rule parts applicable to licensed radio services and specialized applications.
Figure: Structure of FCC equipment authorization under 47 CFR (Part 2, Part 15, and service-specific rule parts)
Typical Technologies under FCC Part 15
Many commonly deployed wireless technologies operate under 47 CFR Part 15 without an individual license, provided they comply with applicable technical limits and authorization requirements. The table below provides an overview of representative technologies and their typical regulatory classification within the FCC equipment authorization framework.
| Technology | Details |
|---|---|
| Wi-Fi (2.4 / 5 / 6 GHz) | Rule Reference§15.2471 / §15.4072 AuthorizationCertification |
| Bluetooth | Rule Reference§15.2471 AuthorizationCertification |
| Ultra-Wideband (UWB) | Rule ReferencePart 15 Subpart F3 AuthorizationCertification |
| NFC (13.56 MHz) | Rule Reference§15.2254 AuthorizationCertification |
| Digital devices (non-transmitting) | Rule ReferencePart 15 Subpart B3 AuthorizationSDoC |
| Technology | Typical Rule Reference | Authorization Pathway |
|---|---|---|
| Wi-Fi (2.4 / 5 / 6 GHz) | §15.2471 / §15.4072 | Certification |
| Bluetooth | §15.2471 | Certification |
| Ultra-Wideband (UWB) | Part 15 Subpart F3 | Certification |
| NFC (13.56 MHz) | §15.2254 | Certification |
| Digital devices (non-transmitting) | Part 15 Subpart B3 | SDoC |
Notes:
1 FCC §15.247 – Specifies technical requirements for spread spectrum and digitally modulated intentional radiators, including most 2.4 GHz Wi-Fi and Bluetooth technologies.
2 FCC §15.407 – Defines technical requirements for unlicensed wireless broadband devices operating in the 5 GHz U-NII bands, including Dynamic Frequency Selection (DFS) and Transmit Power Control (TPC) obligations.
3 47 CFR Part 15 – Governs unlicensed radio frequency devices in the United States, including Subpart B (Unintentional Radiators) and Subpart F (Ultra-Wideband Devices).
4 FCC §15.225 – Establishes technical limits for intentional radiators operating in the 13.56 MHz band, including NFC-based communication devices.
Certain radio devices operate under licensed services governed by rule parts outside Part 15 (e.g., Parts 22, 24, 27, 90). These devices are subject to FCC Certification and must comply with additional service-specific technical, operational, and spectrum allocation requirements.
Scope and Applicability
FCC equipment authorization requirements apply to radio frequency devices that intentionally generate, use, or emit radio frequency energy. The regulatory scope primarily distinguishes between intentional radiators and unintentional radiators, as defined in 47 CFR Part 15.
Intentional Radiators
Devices that intentionally generate and emit radio frequency energy for communication or control purposes. Typical examples include:Wi-Fi devices,
Bluetooth products,
cellular transmitters,
IoT modules, and wireless control systems.
Unintentional Radiators
Devices that generate radio frequency energy as part of their operation but are not designed to intentionally emit RF signals. Examples include digital electronics such as:computers,
industrial control systems,
and consumer electronic products with clocked circuitry.
Examples: Wi-Fi, Bluetooth, Cellular, Radar
Examples: Computers, industrial controls, consumer electronics
Devices generally require either Certification or SDoC, depending on their RF transmission characteristics. Limited exemptions apply under specific CFR provisions.
Equipment Authorization Procedures
Under 47 CFR Part 2, the FCC defines two primary equipment authorization procedures: Certification and the Supplier’s Declaration of Conformity (SDoC). The applicable pathway depends on device classification and the relevant rule part under 47 CFR.
Certification requires review and grant issuance by an FCC-recognized Telecommunications Certification Body (TCB), whereas SDoC remains under manufacturer responsibility without issuance of an FCC grant. The following step-by-step overview outlines the typical authorization sequence from regulatory assessment through market placement and ongoing compliance obligations.
FCC Process (Step-by-Step)
The FCC equipment authorization process follows a structured sequence from rule part identification through compliance evaluation, authorization (where required), and post-market obligations.
Authorization Pathway Details
Certification (TCB Procedure)
Certification applies primarily to intentional radiators and certain devices subject to grant-based authorization. The manufacturer submits the application package to an FCC-recognized Telecommunications Certification Body (TCB) for review.
If compliant, the TCB issues a Grant of Equipment Authorization and assigns an FCC ID. The device is listed in the FCC equipment authorization database prior to market placement.
Manufacturers remain responsible for maintaining compliance with the approved configuration.
Supplier’s Declaration of Conformity (SDoC)
SDoC applies to many unintentional radiators and selected device categories defined under Part 15.
No FCC grant is issued. The manufacturer performs required testing, prepares the compliance documentation, and retains supporting technical records. The device may be marketed once applicable compliance requirements are fulfilled.
The manufacturer bears full responsibility for continued compliance and documentation availability.
FCC ID and Grant of Equipment Authorization
Devices subject to Certification receive a Grant of Equipment Authorization and are assigned an FCC ID. The FCC ID uniquely identifies the approved device configuration within the FCC equipment authorization database.
An FCC ID consists of:
Grantee Code – Assigned by the FCC to the applicant.
Product Code – Assigned by the grantee to identify the certified model.
Key regulatory aspects:
Labeling – The FCC ID must be permanently affixed to the device or provided via approved electronic labeling (e-labeling).
Public listing – Certified devices are listed in the FCC database, where the Grant of Equipment Authorization can be verified.
Configuration control – Modifications affecting RF characteristics may require permissive change evaluation or a new authorization.
For detailed procedural requirements and labeling rules, see:
RF Exposure Evaluation (SAR and MPE)
Under FCC rules, radio frequency devices must comply with human exposure requirements in addition to emission limits. Depending on output power, operating frequency, and separation distance, an RF exposure evaluation may be required as part of the equipment authorization process.
The FCC distinguishes between Specific Absorption Rate (SAR) and Maximum Permissible Exposure (MPE):
SAR – Applicable to portable devices intended for use within 20 cm of the human body.
MPE – Applicable to mobile or fixed devices operating at separation distances greater than 20 cm.
RF exposure assessment is typically required for intentional radiators, particularly where higher output power, handheld use, integrated antennas, or simultaneous transmission conditions apply. Certain low-power devices may qualify for exemption under defined FCC thresholds.
→ For exposure limits, device classification, and exemption criteria, see FCC RF Exposure Requirements (SAR & MPE).
Regulatory Basis
RF exposure requirements are defined under 47 CFR Part 1 (Subpart I) and relevant FCC Knowledge Database (KDB) guidance. Documentation of the evaluation method and results forms part of the authorization record.
Lifecycle Considerations
Changes affecting output power, antenna characteristics, operating frequency, or simultaneous transmission conditions may require reassessment of RF exposure compliance.
Modular Approval
Modular Approval allows radio modules to obtain independent FCC certification with their own FCC ID. A certified module may be integrated into host devices, provided all conditions of the original grant are met.
Note: The host product may reference the module's FCC ID if antenna use, RF parameters, co-location, and RF exposure remain within the approved conditions. Integration conditions apply.
This approach is commonly used for Wi-Fi, Bluetooth, cellular, and IoT modules to simplify integration and reduce certification effort.
Integration into a host device does not eliminate regulatory responsibility. The host manufacturer must ensure that antenna configuration, RF parameters, co-location conditions, labeling, and RF exposure compliance remain within the approved limits defined in the original Grant of Equipment Authorization.
If integration conditions exceed the scope of the approved configuration, a permissive change filing or a new Certification may be required.
For detailed integration requirements and regulatory conditions, see: → Modular Approval
Permissive Changes
Under FCC rules, certain modifications to a certified device may be implemented without obtaining a new FCC ID, provided the changes are processed in accordance with FCC permissive change requirements under 47 CFR §2.1043.
Permissive changes apply when hardware, firmware, or configuration updates may affect radio frequency characteristics, emissions, or RF exposure conditions.
Typical Modification Scenarios
A permissive change assessment is typically required when:
Antenna type or gain is modified within the limits defined in the original grant
Firmware updates affect RF output power, modulation, or frequency parameters
Minor hardware changes impact RF circuitry
Additional transmitters are integrated into the same host device
If modifications exceed the technical scope defined in the original grant of equipment authorization, a new certification and FCC ID may be required.
Classification Overview
| Class | Description |
|---|---|
| Class I | Minor changes that do not affect RF compliance and do not require prior TCB approval. |
| Class II | Changes that may affect RF compliance and require submission to a Telecommunications Certification Body (TCB). |
| Class III | Changes affecting RF exposure compliance or certain software-controlled transmission characteristics (e.g., SDR), requiring formal filing. |
Permissive change provisions are defined under 47 CFR §2.1043 and related FCC guidance.
Even when using modular approval or previously certified hardware, manufacturers remain responsible for determining whether modifications require a permissive change filing or a new certification.
→ Detailed procedural requirements, decision logic, and practical examples are provided on the Permissive Changes page.
Product modification and compliance support:
Technical evaluation of hardware and firmware changes, permissive change classification, re-testing coordination, and TCB submission management under 47 CFR §2.1043.
Further Reading & Official Resources
Official FCC Resources
-
Electronic Code of Federal Regulations (eCFR) – Title 47
Available at: https://www.ecfr.gov/current/title-47
-
Federal Communications Commission (FCC) – Office of Engineering and Technology (OET) Knowledge Database (KDB)
Available at: https://apps.fcc.gov/oetcf/kdb/index.cfm
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FCC Equipment Authorization System – FCC ID Search
Available at: https://apps.fcc.gov/oetcf/eas/reports/GenericSearch.cfm
Additional Resource
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TAMSys by IB-Lenhardt AG – Type Approval Management System
Centralized platform for managing FCC certificates, labeling data, documentation status, and lifecycle tracking. → TAMSys – Type Approval Management System
This is a curated selection of key regulatory and technical resources. For legally binding and up-to-date requirements, always refer to the official publications and databases of the Federal Communications Commission (FCC). All references were verified as of February 2026.