LG G4 User Manual page 111

Cooperate in providing users of wireless phones with the best possible information on
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possible effects of wireless phone use on human health.
The 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
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Environmental Protection Agency
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Occupational Safety and Health Administration
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National Telecommunications and Information Administration
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The National Institutes of Health participates in some interagency working group
activities, as well. The FDA shares regulatory responsibilities for wireless phones with
the Federal Communications Commission (FCC). All phones that are sold in the United
States must comply with FCC safety guidelines that limit RF exposure.
The FCC relies on the FDA and other health agencies for safety questions about
wireless phones.
The FCC also regulates the base stations that the wireless phone networks rely upon.
While these base stations operate at higher power than do the wireless phones
themselves, the RF exposures that people get from these base stations are typically
thousands of times lower than those they can get from wireless phones. Base stations
are thus not the subject of the safety questions discussed in this document.
3. What kinds of phones are the subject of this update?
The term "wireless phone"refers here to handheld 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 (RF) energy because of the short
distance between the phone and the user's head.
These RF exposures are limited by FCC safety guidelines that were developed with
the advice of the 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
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Safety