Specific Absorption Rate (SAR) of Phonak Bluetooth hearing aids

Specific Absorption Rate (SAR) is the widely accepted- scientific measure used to characterize the amount of radiofrequency energy absorbed by the body. For example- in the Unites States- the limit adopted by FCC for mobile phones is that their SAR levels may not exceed 1.6 Watt per kilogram (W/kg). In Europe- the European Union Council has set a SAR limit of 2.0 W/kg. The typical SAR rating emission of a mobile telephone ranges from 0.3 to 1.5 W/kg. This type of wireless hearing aids is exempted from the Specific Absorption Rate (SAR) evaluation which also shows that these hearing aids fall significantly below the recommendations from both the European Commission and the United States.

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