IEC/IEEE 62704-3:2017

IEC/IEEE 62704-3:2017 addresses how to determine the peak spatial-average specific absorption rate (SAR) in the human body from wireless communications devices in the 30 MHz to 6 GHz range, with specific requirements for using the finite difference time domain (FDTD) method for mobile phone SAR calculations. For engineering teams, test laboratories, and compliance reviewers, it provides a focused technical reference for documented evaluation and regulatory preparation where numerical SAR assessment supports product evaluation and conformity assessment workflows.

Overview of IEC/IEEE 62704-3:2017

This publication is part of IEC/IEEE 62704 and serves as a supporting technical document for SAR calculations using FDTD methods for mobile phones. It is relevant when organizations need a defined approach for technical validation, laboratory evaluation, and operational consistency in radiofrequency exposure assessment. The document is aimed at improving consistency in computational methods used to assess peak spatial-average SAR, helping teams align engineering documentation with compliance expectations during verification activities and technical review.

Compliance applications of IEC/IEEE 62704-3:2017

IEC/IEEE 62704-3:2017 is commonly used in workflows involving mobile phone design assessment, SAR simulation setup, and testing workflows that depend on computational modeling rather than only physical measurements. It may support product evaluation, internal quality workflows, and preparation for regulatory submissions where RF exposure limits are part of the technical review. Laboratories, manufacturers, and conformity assessment teams can use it as a compliance reference when documenting FDTD-based SAR calculations for devices operating across the stated frequency range.

Importance of compliance with IEC/IEEE 62704-3:2017

Following IEC/IEEE 62704-3:2017 helps organizations reduce technical uncertainty when comparing SAR results across projects, tools, or engineering groups. Consistent application of the specified calculation requirements supports safety-oriented assessment, verification of design changes, and more reliable procurement and certification decisions. For companies involved in wireless device development, it can also strengthen risk management by improving the traceability of simulation inputs, model assumptions, and documented evaluation steps used during conformity assessment preparation.

• Defines FDTD-specific requirements for peak spatial-average SAR calculations for mobile phones.
• Supports RF exposure assessment for wireless communications devices in the 30 MHz to 6 GHz range.
• Useful for technical validation, simulation-based review, and documented compliance workflows.
• Helps align laboratory evaluation and engineering documentation with conformity assessment needs.