User's Manual

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 radiofrequency 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 or medical devices. However, the agency
has authority to take action if wireless phones are shown to emit
radiofrequency energy (RF) at a level that is hazardous to the user. In
such a case, FDA could require the manufacturers of wireless phones
Safety
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to notify users of the health hazard and to repair, replace or recall the
phones so that the hazard no longer exists.
Although the existing scientific data do not justify FDA regulatory
actions, FDA has urged the wireless phone industry to take a number
of steps, including the following:
• Support needed research into possible biological effects of RF of the
type emitted by wireless phones;
• Design wireless phones in a way that minimizes any RF exposure to
the user that is not necessary for device function; and
• Cooperate in providing users of wireless phones with the best
possible information on possible effects of wireless phone use on
human health
FDA belongs to an interagency working group of the federal agencies
that have responsibility for different aspects of RF safety to ensure
coordinated efforts at the federal level. The following agencies belong
to this working group:
• National Institute for Occupational Safety and Health
• Environmental Protection Agency
• Federal Communications Commission
• Occupational Safety and Health Administration
• National Telecommunications and Information Administration
The National Institutes of Health participates in some interagency
working group activities, as well.