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operation, iPhone’s SAR measurement may exceed the
FCC exposure guidelines if positioned less than 5/8
inch (15 mm) from the body. For optimal mobile device
performance and to be sure that human exposure to RF
energy does not exceed the FCC guidelines, always follow
these instructions and precautions: When on a call using
the built-in audio receiver in iPhone, hold iPhone with the
30-pin connector pointed down toward your shoulder
to increase separation from the antenna. For body-worn
operation, keep iPhone at least 5/8 inch (15 mm) away
from the body, and only use carrying cases, belt clips, or
holders that do not have metal parts and that maintain at
least 5/8 inch (15 mm) separation between iPhone and the
body. When using the EDGE data transmission feature of
iPhone (see the iPhone User’s Guide for more information),
position iPhone’s antenna at least 5/8 inch (15 mm) from
the body.
If you are still concerned about exposure to RF energy, you
can further limit your exposure by limiting the amount
of time using iPhone, since time is a factor in how much
exposure a person receives, and by placing more distance
between your body and iPhone, since exposure level
drops o∂ dramatically with distance.
Additional Information
For more information from the FCC about exposure to RF
energy, see: www.fcc.gov/oet/rfsafety
The FCC and the U.S. Food and Drug Administration (FDA)
also maintain a consumer website at
www.fda.gov/cellphones to address inquiries about
the safety of mobile phones. Please check the website
periodically for updates.
For information about the scientifi c research related to
RF energy exposure, see the EMF Research Database
maintained by the World Health Organization at:
www.who.int/emf
Radio Frequency Interference
Nearly every electronic device is subject to radio
frequency interference from external sources if
inadequately shielded or designed, or otherwise not
confi gured to be compatible. As a result, iPhone may
cause interference with other devices. Follow these
instructions to avoid interference problems.
Aircraft Federal Aviation Administration (FAA) regulations
may prohibit using wireless devices while in the air. For
more information about using Airplane Mode to turn o∂
the iPhone wireless transmitters, see the iPhone User’s
Guide.
Vehicles RF signals may a∂ ect installed or inadequately
shielded electronic systems in motor vehicles. Check with
the manufacturer or its representative regarding your
vehicle.
Electronic Devices Most modern electronic equipment
is shielded from RF signals. However, certain electronic
equipment may not be shielded against the RF signals
from iPhone.
Pacemakers The Health Industry Manufacturers
Association recommends that a minimum separation
of 6 inches (15 cm) be maintained between a handheld
wireless phone and a pacemaker to avoid potential
interference with the pacemaker. Persons with
pacemakers: