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
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