Additional information on Specific Absorption Rate (SAR) can be found on the Cellular Telecommunications Industry Association (CTIA) web site at
*In the United States and Canada, the SAR limit for mobile phones used by the public is 1.6 watts/kg (W/kg) averaged over one gram of tissue. The standard incorporates a substantial margin of safety to give additional protection for the public and to account for any variations in measurements.
Safety Guidelines