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As the rules change or new procedures are developed, please note that these interpretation and/or guidance may not apply; you should always refer to the latest rules and guidance documents to determine what equipment authorization procedures should be followed. For the latest guidance on specific topics or you don't know where to start, please feel free to contact GTG experts.

The FCC provides three options for device approval under the EMC directive. These are verification, certification, and declaration of conformity. The option for approval for your product is determined by your product type and the power of radiofrequency emission.


Verification Testing is designed for Part 15 devices or electrical products, including Class A or Class B digital devices (not PC-related) and Class B external power supplies. Class A devices are commonly used in industrial, engineering, and commercial settings. On the other hand, the Class B products are for consumer purposes.

Manufacturers producing these devices can carry out these tests at a non-accredited test center. The main goal of the verification tests is to determine the amount of radiofrequency energy emitted by the device. Manufacturers are also required to maintain updated records and files of the product test’s reports and documentation.

Declaration of conformity

The declaration of conformity testing procedure tends to be stricter than the verification testing. This process is required for all Part 18 electrical devices, including personal computers and PC peripherals. The FCC regulations require manufacturers to perform these tests only at ISO Guide 17025-accredited test centers.

The main goal of a declaration of conformity test is to ensure a product expels a radiofrequency energy amount that meets the relevant FCC’s technical requirements. A product that meets FCC complaint requirements will have an FCC marking. However, manufacturers are still required to maintain a file containing their product’s test reports and documentation. In addition, they are also needed to create a Declaration of Conformity that states that all the information in the documentation file is accurate and up to date.

Certification testing

The FCC product certification is the most stringent and most detailed of the three tests. Certification testing is designed for electrical products with a higher risk of interfering with other products, signals, and emergency information. These devices include Bluetooth devices, intentional radiators, WLAN, and more. The FCC requires manufacturers of such devices to test their products only in accredited test institutes such as Compliance Testing. Products deemed compliant and meets all relevant FCC’S technical requirements must feature an FCC ID on their label.

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