IEEE 62704-2-2017
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
62704-2-2017 is a technical standard for assessing average specific absorption rate (SAR) in the human body from wireless communications devices operating from 30 MHz to 6 GHz. It focuses on specific requirements for finite difference time domain (FDTD) modelling of exposure from vehicle mounted antennas, making it relevant where electromagnetic field analysis, device design, and transportation-related installation conditions intersect. For engineers and compliance teams, it supports more consistent evaluation of exposure scenarios.
Overview of 62704-2-2017
This standard defines specific requirements for FDTD modelling used to estimate average SAR from vehicle mounted antennas in the stated frequency range. It is intended for technical work involving electromagnetic exposure calculations, where the geometry of the vehicle, antenna placement, and nearby human exposure conditions can affect results. As part of the broader 62704 series, 62704-2-2017 helps align modelling practice so that results are more comparable and suitable for engineering review, testing, and compliance-related assessment.
Typical use cases
62704-2-2017 is typically used when evaluating wireless antennas installed on cars, trucks, buses, or other vehicle platforms. It may support simulation workflows for exposure analysis, product development, and pre-compliance review in communication and transportation applications. The standard is also relevant for teams modelling electromagnetic fields around vehicle-mounted transmitting systems, especially where the interaction between antenna performance, cabin or body proximity, and human exposure needs to be understood using FDTD methods.
Why it matters
Using 62704-2-2017 can improve consistency in SAR modelling and reduce ambiguity in exposure assessments for vehicle-mounted antenna systems. That matters when comparing results across designs, validating engineering assumptions, or supporting compliance decisions tied to wireless communications equipment. Clear requirements help limit modelling variation, strengthen traceability, and reduce the risk of inconsistent exposure evaluations. For organizations working with RF systems in transportation environments, it provides a focused technical reference for controlled and repeatable analysis.
- Average SAR assessment for 30 MHz to 6 GHz systems
- FDTD modelling requirements for exposure analysis
- Vehicle-mounted antenna scenarios
- Wireless communications and electromagnetic engineering use
- Publication Date: 2017
- Standard Status: Active
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems; Computing and Processing; Transportation; Fields, Waves and Electromagnetics
- Official IEEE: Doi link
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