Specific Absorption Rate (SAR)
Specific Absorption Rate (SAR) : The fundamental unit of dose of radiofrequency actually absorbed by a body exposed to radiofrequency fields. Although difficult to measure or calculate, it is useful in comparing exposures at different frequencies (or when trying to extrapolate to people the results of experiments on the exposure of animals to radiofrequency fields). The maximum SAR in publicly accessible areas around most transmitters is about 0.005 W/kg of body weight, but generally less than this figure. The body generates 1-4 W/kg heat from its own metabolism
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