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Section 12: Health and Safety Information
131
Consumer Information on Wireless Phones
Sect
ion 12
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 
occur, but such findings have not been confirmed by 
additional research. In some cases, other researchers have 
had difficulty in reproducing those studies, or in 
determining the reasons for inconsistent results.
What is FDA's role concerning the safety of wireless 
phones?
Under the law, FDA does not review the safety of 
radiation-emitting consumer products such as wireless 
phones before they can be sold, as it does with new drugs