IEC/IEEE 62704-2:2017
Determining the peak spatial-average specific absorption rate (SAR) in the human body from wireless communications devices, 30 MHz to 6 GHz - Part 2: Specific requirements for finite difference time domain (FDTD) modelling of exposure from vehicle mounted antennas
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About This Item
IEC/IEEE 62704-2:2017 defines specific requirements for finite difference time domain (FDTD) modelling used to determine the peak spatial-average specific absorption rate (SAR) in the human body from wireless communications devices between 30 MHz and 6 GHz. It is relevant when organizations need a documented evaluation method for exposure assessment, model setup, and technical review of vehicle-mounted antenna scenarios. For engineering, testing, and compliance workflows, it helps support more consistent technical validation and risk management decisions.
IEC/IEEE 62704-2:2017 standard overview
This document is part of IEC/IEEE 62704 and serves as a supporting technical reference for modelling exposure from vehicle mounted antennas. IEC/IEEE 62704-2:2017 focuses on the FDTD modelling aspects needed to estimate peak spatial-average SAR under defined conditions, which is important for conformity assessment and laboratory evaluation. In practice, it helps teams align simulation assumptions, verification activities, and engineering documentation when assessing wireless devices intended for use in or near vehicles.
Applications of IEC/IEEE 62704-2:2017
Typical use cases include RF exposure studies, compliance preparation, and product evaluation for wireless communications equipment associated with vehicles. It may be used by test laboratories, design engineers, and regulatory teams working on antenna placement, exposure modelling, and technical assessment of handset, module, or system configurations. The document is also useful in quality workflows where documented analysis is needed to support procurement review, internal validation, or technical compliance evidence.
Why IEC/IEEE 62704-2:2017 matters
IEC/IEEE 62704-2:2017 matters because it supports more consistent SAR modelling when vehicle-mounted antennas are involved, helping reduce uncertainty in exposure analysis and compliance decisions. A structured modelling reference can improve testing consistency, technical validation, and engineering review across projects and suppliers. For organizations preparing conformity assessment evidence, it provides a clearer basis for comparing results, documenting assumptions, and supporting safety-oriented regulatory preparation without relying on ad hoc methods.
- FDTD modelling requirements for exposure assessment in vehicle-mounted antenna scenarios
- Support for peak spatial-average SAR evaluation between 30 MHz and 6 GHz
- Useful for engineering documentation, laboratory evaluation, and compliance workflows
- Helps align technical review, verification activities, and conformity assessment preparation
- Publication Date: 2017-06-28
- Standard Status: Derived
- Publisher: IEC
- Edition: 1
- New Version Available: IEC/IEEE 62704 (2020-10-20)
- Previous Version: IEC/IEEE 62704 (2017-10-26)
- Previous Version: IEC/IEEE 62704 (2017-10-26)
- This Version: IEC/IEEE 62704 (2017-06-28)
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