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| Definition | : | Specific Absorption Rate |
| Category | : | Technology » Specifications & Standards |
| Country/ Region |
: | Worldwide
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Initialism
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Specific Absorption Rate (SAR) is defined as the amount of absorbed non-ionizing radiation power or rate of absorbed energy by a unit mass of biological tissue. The unit of SAR is watts per kilogram (W/kg).
The SAR limit in the United States for mobile phones is level at or below 1.6 W/kg, averaged over 1 gram of tissue. And in Europe, the SAR limit is 2.0 W/kg averaged over 10 grams of tissue. SAR values are heavily dependent on the size of the averaging volume.
The full form of SAR is Specific Absorption Rate
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