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The Institute of Electrical and Electronic
Engineers (IEEE) is developing a technical
standard for measuring the Radio Frequency
(RF) energy exposure from wireless phones
and other wireless handsets with the
participation and leadership of 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
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