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SAR Measurements of Different Mixtures at 900 MHz

The paper discusses measurements of Specific Absorption Rate at mobile telephone frequencies. More specifically, measurements are performed at frequency of GSM system, i.e. 900 MHz. Recently issued CENELEC standard in this field, as well as requirements of European Commission for SAR labeling of every phone are calling for creating and testing different measurement set-ups for this purpose. For this kind of testing, a mixture with required complex dielectric properties is neccessary. One of the contributions presented in this paper is creating an adequate liquid with measuring its properties. Measurement system uncertainty has been assessed according to CENELEC EN 50361.

SAR Measurements; Dielectric Properties; Mobile Telephone Systems

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