IEEE P62704-4/D1, Mar 2019
Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz - 6 GHz: General Requirements for Using the Finite Element Method (FEM) for SAR Calculations and Specific Requirements for Modeling Vehicle-Mounted Antennas and Personal Wireless Devices
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Language: English
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About This Item
P62704-4/D1, Mar 2019 is a technical standard for evaluating average specific absorption rate (SAR) in the human body from wireless communications devices operating from 30 MHz to 6 GHz. It focuses on general requirements for using the finite element method (FEM) in SAR calculations, with additional guidance for modeling vehicle-mounted antennas and personal wireless devices. This makes the document relevant to electromagnetic safety analysis, simulation-based design, and consistent assessment of exposure from communication equipment.
About P62704-4/D1, Mar 2019
This standard sets out a calculation framework for SAR assessment using FEM-based electromagnetic modeling. P62704-4/D1, Mar 2019 is aimed at cases where accurate field interaction with the human body must be represented over a broad wireless frequency range. Its scope links fields, waves and electromagnetics with communication device engineering, supporting repeatable modeling assumptions and clearer comparison of results. The document is especially useful when the antenna location or installation environment can influence exposure estimates.
Where is P62704-4/D1, Mar 2019 used?
P62704-4/D1, Mar 2019 is commonly used in simulation workflows for wireless products, vehicle-mounted antenna systems, and personal communications devices where SAR needs to be estimated with finite element methods. It is relevant to engineering teams working on handset layouts, wearable or body-proximate devices, and antenna installations in transportation settings. The standard also supports analysis activities where electromagnetic performance, human-body interaction, and exposure evaluation must be considered together during design and verification.
Importance in practice
In practice, P62704-4/D1, Mar 2019 helps bring consistency to SAR calculations, which is important for compliance work, internal design review, and risk reduction. Using a defined FEM approach can improve confidence that results are comparable across models and test cases, especially when studying vehicle-mounted antennas or devices used close to the body. For procurement and engineering decisions, the standard offers a clearer technical basis for checking whether a wireless product has been assessed under an appropriate method.
- Average SAR assessment from 30 MHz to 6 GHz
- Finite element method requirements for modeling
- Vehicle-mounted antenna exposure analysis
- Personal wireless device body interaction
- Electromagnetic safety and compliance support
- Publication Date: 2019
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems; Fields, Waves and Electromagnetics; Transportation
- Official IEEE: Doi link
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