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49
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 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
do not demonstrate that wireless
phones are harmful. But if you are
concerned about the RF exposure
from these products, you can use
measures like those described
above to reduce your RF exposure
from wireless phone use.
10. What about children using
wireless phones?
The scientific evidence does
not show a danger to users of
wireless phones, including children
and teenagers. If you want to
take steps to lower exposure to
radiofrequency energy (RF), the