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times lower than those they can get from wireless
phones. Base stations are thus not the subject of the
safety questions discussed in this document.
3. What kinds of phones are the subject of this
u p d a t e ?
The term "wireless phone" refers here to hand-held
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 Federal
Communications Commission 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
l i m i t s .
4. What are the results of the research done already?
The research done thus far has produced conflicting
results, and many studies have suffered from flaws in
their
research
methods.
Animal
experiments
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