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remove heat from the tissues that absorb
energy from the wireless phone and is set
well below levels known to have effects.
Manufacturers of wireless phones must
report the RF exposure level for each model
of phone to the FCC. The FCC website
(http://www.fcc.gov/) gives directions for
locating the FCC identification number on
your phone so you can find your phone’s RF
exposure level in the online listing.
8. What has the FDA done to measure the
radio frequency energy coming from
wireless phones?
The Institute of Electrical and Electronic
Engineers (IEEE) is developing a technical
standard for measuring the radio frequency
energy (RF) 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 tissuesimulating 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 radiofrequency 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 radiofrequency
energy (RF). 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
Safety Guidelines