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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
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
Safety Guidelines