LG LG400G Guia Del Usuario página 68

LG400G Tracfone_ENG_080111
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.
2008.1.17 10:48 AM
Safety Guidelines
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 investigating
the effects of radiofrequency energy
(RF) exposures characteristic of
wireless phones have yielded
conflicting results that often cannot
be repeated in other laboratories. A
few animal studies, however, have
suggested that low levels of RF could
accelerate the development of
cancer in laboratory animals.
However, many of the studies that
showed increased tumor
development used animals that had
been genetically engineered or
treated with cancer causing
chemicals so as to be pre-disposed
to develop cancer in the absence of
RF exposure. Other studies exposed
the animals to RF for up to 22 hours
per day. These conditions are not
similar to the conditions under
which people use wireless phones,
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