IEEE P62704-1/D1, Jun 2022
IEC/IEEE Draft Standard for Determining the Peak Spatial Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz to 6 GHz. Part 1: General Requirements for using the Finite Difference Time Domain (FDTD) Method for SAR Calculations
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Language: English
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About This Item
IEEE P62704-1/D1, Jun 2022 is an IEC/IEEE draft standard focused on determining the peak spatial average specific absorption rate (SAR) in the human body from wireless communications devices operating from 30 MHz to 6 GHz. It sets out general requirements for using the finite difference time domain (FDTD) method for SAR calculations, making it relevant to bioengineering and electromagnetic assessment work. For teams evaluating device exposure, IEEE P62704-1/D1, Jun 2022 helps define a consistent technical basis for analysis, comparison, and documentation.
About IEEE P62704-1/D1, Jun 2022
This draft standard addresses a specialized measurement and simulation problem: estimating peak spatial average SAR in human tissue when a wireless device is used near the body. Its scope is tied to FDTD-based calculations, a numerical approach commonly used in fields, waves, and electromagnetics to model how energy couples into biological tissue. The document is intended to support controlled, repeatable SAR assessment by setting general requirements that can be applied across relevant device evaluations and engineering studies.
Where is IEEE P62704-1/D1, Jun 2022 used?
This technical document is typically used in wireless device development and evaluation workflows where human exposure to radiofrequency energy must be assessed. It is relevant to handset design, wearable communications products, antennas, and other equipment operating across the 30 MHz to 6 GHz range. Engineers, test laboratories, and compliance teams may use it when setting up FDTD SAR simulations, comparing design options, or documenting exposure calculations for product review and regulatory support.
Importance in practice
In practice, the standard helps improve consistency in SAR calculation methods, which is important when results inform safety decisions, design changes, or procurement reviews. By defining general requirements for FDTD-based analysis, it can reduce ambiguity in how exposure estimates are produced and interpreted. That supports more reliable comparisons between devices and test cases, while also helping organizations manage compliance risk and maintain defensible engineering records for wireless products intended for use near the body.
- Peak spatial average SAR evaluation
- FDTD-based calculation requirements
- Wireless devices from 30 MHz to 6 GHz
- Human body exposure assessment
- Draft IEC/IEEE technical context
- Publication Date: 2022
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Bioengineering; Components, Circuits, Devices and Systems; Fields, Waves and Electromagnetics
- Official IEEE: Doi link
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