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Health and safety information
Exposure to Radio Frequency (RF) Signals
Certification Information (SAR)
Your wireless phone is a radio transmitter and
receiver. It is designed and manufactured not to
exceed the exposure limits for radio frequency
(RF) energy set by the Federal Communications
Commission (FCC) of the U.S. government.
These FCC exposure limits are derived from the
recommendations of two expert organizations,
the National Counsel on Radiation Protection
and Measurement (NCRP) and the Institute of
Electrical and Electronics Engineers (IEEE). In
both cases, the recommendations were
developed by scientific and engineering experts
drawn from industry, government, and
academia after extensive reviews of the
scientific literature related to the biological
effects of RF energy.
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The exposure limit set by the FCC for wireless
mobile phones employs a unit of measurement
known as the Specific Absorption Rate (SAR).
The SAR is a measure of the rate of absorption
of RF energy by the human body expressed in
units of watts per kilogram (W/kg). The FCC
requires wireless phones to comply with a
safety limit of 1.6 watts per kilogram (1.6 W/
kg). The FCC exposure limit incorporates a
substantial margin of safety to give additional
protection to the public and to account for any
variations in measurements.
SAR tests are conducted using standard
operating positions accepted by the FCC with
the phone transmitting at its highest certified
power level in all tested frequency bands.
Although the SAR is determined at the highest
certified power level, the actual SAR level of the
phone while operating can be well below the
maximum value. This is because the phone is
designed to operate at multiple power levels so
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