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Safety
wireless phones. Reducing the time of wireless phone use and increasing the distance
between the user and the RF source will reduce RF exposure.
Some groups sponsored by other national governments have advised that children be
discouraged from using wireless phones at all. For example, the government in the
United Kingdom distributed leaflets containing such a recommendation in December
2000. They noted that no evidence exists that using a wireless phone causes brain
tumors or other ill effects. Their recommendation to limit wireless phone use by children
was strictly precautionary; it was not based on scientific evidence that any health
hazard exists.
11. What about wireless phone interference with medical equipment?
Radio Frequency (RF) energy from wireless phones can interact with some electronic
devices. For this reason, the FDA helped develop a detailed test method to measure
Electro Magnetic Interference (EMI) of implanted cardiac pacemakers and defibrillators
from wireless telephones. This test method is now part of a standard sponsored by the
Association for the Advancement of Medical Instrumentation (AAMI). The final draft, a
joint effort by the FDA, medical device manufacturers, and many other groups, was
completed in late 2000. This standard will allow manufacturers to ensure that cardiac
pacemakers and defibrillators are safe from wireless phone EMI. The FDA has tested
hearing aids for interference from handheld wireless phones and helped develop a
voluntary standard sponsored by the Institute of Electrical and Electronic Engineers
(IEEE). This standard specifies test methods and performance requirements for hearing
aids and wireless phones so that no interference occurs when a person uses a
"compatible"phone and a "compatible" hearing aid at the same time. This standard was
approved by the IEEE in 2000.
The FDA continues to monitor the use of wireless phones for possible interactions with
other medical devices. Should harmful interference be found to occur, the FDA will
conduct testing to assess the interference and work to resolve the problem.
12. Where can I find additional information?
For additional information, please refer to the following resources:
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