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Safety
exposure to Radio Frequency (RF)
energy set by the Federal
Communications Commission of
the U.S. Government. These limits
are part of comprehensive
guidelines and establish permitted
levels of RF energy for the general
population. The guidelines are
based on standards that were
developed by independent
scientific organizations through
periodic and thorough evaluation
of scientific studies. The
standards include a substantial
safety margin designed to assure
the safety of all persons,
regardless of age and health.
The exposure standard for wireless
mobile phones employs a unit of
measurement known as the
Specific Absorption Rate, or SAR.
The SAR limit set by the FCC is
1.6 W/kg. Tests for SAR are
conducted using standard
operating positions specified by
the FCC with the phone
transmitting at its highest certified
power level in all tested frequency
bands. Although 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.
Because the phone is designed to
operate at multiple power levels to
use only the power required to
reach the network, in general, the
closer you are to a wireless base
station antenna, the lower the
power output.
Before a phone model is available
for sale to the public, it must be
tested and certified to the FCC
that it does not exceed the limit
established by the government-
adopted requirement for safe
exposure. The tests are
performed in positions and
locations (e.g., at the ear and
worn on the body) as required
by the FCC for each model.