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LG-C900B | User Guide
The CRADA will also include a broad
assessment of additional research needs
in the context of the latest research
developments around the world.
7. How can I nd out how much
radiofrequency energy exposure I can
get by using my wireless phone?
All phones sold in the United
States must comply with Federal
Communications Commission (FCC)
guidelines that limit radiofrequency
energy (RF) exposures.
The FCC established these guidelines in
consultation with the FDA and the other
federal health and safety agencies. The
FCC limit for RF exposure from wireless
telephones is set at a Speci c Absorption
Rate (SAR) of 1.6 watts per kilogram
(1.6 W/kg). The FCC limit is consistent
with the safety standards developed by
the Institute of Electrical and Electronic
Engineering (IEEE) and the National
Council on Radiation Protection and
Measurement. The exposure limit takes
into consideration the body’s ability
to remove heat from the tissues that
absorb energy from the wireless phone
and is set well below levels known to
have e ects. Manufacturers of wireless
phones must report the RF exposure
level for each model of phone to the
FCC. The FCC website
(http://www.fcc.gov/oet/rfsafety)
gives directions for locating the FCC
identi cation number on your phone so
you can nd your phone’s RF exposure
level in the online listing.
8. What has the FDA done to measure
the radiofrequency energy coming
from wireless phones?
The Institute of Electrical and Electronic
Engineers (IEEE) is developing a
technical standard for measuring the
radiofrequency energy (RF) exposure
from wireless phones and other
wireless handsets with the participation
and leadership of FDA scientists and
engineers. The standard, ‘Recommended
Practice for Determining the Spatial-
Peak Speci c Absorption Rate (SAR)
in the Human Body Due to Wireless
Communications Devices: Experimental
Techniques,’ sets forth the rst consistent
test methodology for measuring the
rate at which RF is deposited in the
heads of wireless phone users. The test
method uses a tissuesimulating model
of the human head. Standardized
SAR test methodology is expected
to greatly improve the consistency
of measurements made at di erent
laboratories on the same phone. SAR
is the measurement of the amount of
energy absorbed in tissue, either by the
whole body or a small part of the body.
It is measured in watts/kg (or milliwatts/
g) of matter. This measurement is used
to determine whether a wireless phone
complies with safety guidelines.
9.
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Safety Guidelines