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3. What kinds of phones
are the subject of this
update?
The term ‘wireless phone’
refers here to handheld
wireless phones with built-in
antennas, often called
‘cell’, ‘mobile’, or ‘PCS’
phones. These types of
wireless phones can expose
the user to measurable
radiofrequency energy
(RF) because of the short
distance between the phone
and the user’s head. These
RF exposures are limited
by FCC safety guidelines
that were developed with
the advice of the FDA and
other federal health and
safety agencies. When the
phone is located at greater
distances from the user, the
exposure to RF is drastically
lower because a person’s
RF exposure decreases
rapidly with increasing
distance from the source.
The so-called ‘cordless
phones,’ which have a
base unit connected to the
telephone wiring in a house,
typically operate at far lower
power levels, and thus
produce RF exposures far
below the FCC safety limits.
4. What are the results
of the research done
already?
The research done thus far
has produced confl icting
results, and many studies
have suffered from fl aws
in their research methods.
Animal experiments
investigating the effects of
radiofrequency energy (RF)
exposures characteristic
of wireless phones
have yielded confl icting