Samsung P O R T A B L E T R I - M O D E SCH-A645 User Manual page 119

a645.book Page 119 Monday, June 26, 2006 10:00 AM
Consumer Information on Wireless Phones
What kinds of phones are the subject of this update?
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 radio frequency 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 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 well within the FCC's compliance
limits.
Do wireless phones pose a health hazard?
The available scientific evidence does not show that any
health problems are associated with using wireless
phones. There is no proof, however, that wireless phones
are absolutely safe. Wireless phones emit low levels of
radio frequency energy (RF) in the microwave range
while being used. They also emit very low levels of RF
when in the stand-by mode. Whereas high levels of RF can
produce health effects (by heating tissue), exposure to low
level RF that does not produce heating effects causes no
known adverse health effects. Many studies of low level
RF exposures have not found any biological effects. Some
studies have suggested that some biological effects may
Section 10: Health and Safety Information 119