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Safety
Safety
104
FDA scientists and engineers.
The standard, “Recommended
Practice for Determining
the Spatial-Peak Specific
Absorption Rate (SAR) in the
Human Body Due to Wireless
Communications Devices:
Experimental Techniques”, sets
forth the first consistent test
methodology for measuring the
rate at which RF is deposited
in the heads of wireless phone
users. The test method uses
a tissue-simulating model of
the human head. Standardized
SAR test methodology is
expected to greatly improve the
consistency of measurements
made at different laboratories
on the same phone. SAR is the
measurement of the amount of
energy absorbed in tissue, either
by the whole body or a small
part of the body. It is measured
in watts/kg (or milliwatts/g) of
matter. This measurement is
used to determine whether a
wireless phone complies with
safety guidelines.
9. What steps can I take to
reduce my exposure to
Radio Frequency energy
from my wireless phone?
If there is a risk from these
products — and at this point
we do not know that there
is — it is probably very small.
But if you are concerned about
avoiding even potential risks,
you can take a few simple steps
to minimize your exposure to
Radio Frequency (RF) energy.
Since time is a key factor in
how much exposure a person
receives, reducing the amount
of time spent using a wireless
phone will reduce RF exposure.
If you must conduct extended
conversations by wireless phone
every day, you could place
more distance between your
body and the source of the RF,
since the exposure level drops
off dramatically with distance.
For example, you could use a
headset and carry the wireless
phone away from your body or
use a wireless phone connected
to a remote antenna. Again,
the scientific data does not
demonstrate that wireless
phones are harmful. But if you
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