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Safety Guidelines
wireless phone use by children
was strictly precautionary; it was
not based on scientific evidence
that any health hazard exists.
1 1. What about wireless
phone interference with
medical equipment?
Radio frequency energy (RF)
from wireless phones can interact
with some electronic devices. For
this reason, the FDA helped
develop a detailed test method
to measure electromagnetic
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
86
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
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