User manual
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methodology is expected to greatly improve the consistency of measurements made at different 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 mill-watts/g) of matter. This measurement is used to determine whether a
wireless phone complies with safety guidelines.
8. How can I find out how much Radio Frequency 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
Radio Frequency (RF) energy 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 phones is set at a Specific
Absorption Rate (SAR) of 1.6 watts per kilogram (1.6W/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 effects. 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/cgb/cellular.html) gives directions for locating the FCC identification number on
your phone, so you can find your phone’s RF exposure level in the online listing.
9. What about children using wireless phones?
The scientific evidence does not show a danger to users of wireless phones, including children and teenagers. If you
want to take steps to lower exposure to Radio Frequency (RF) energy, the measures described above would apply to
children and teenagers using wireless phones. Reducing the time of wireless phone use and increasing the distance
between the user and the RF source will reduce RF exposure.
Some groups sponsored by other national governments have advised that children be discouraged from using wireless
phones at all. For example, the government in the United Kingdom distributed leaflets containing such a
recommendation in December 2000. They noted that no evidence exists that using a wireless phone causes brain
tumors or other ill effects. Their recommendation to limit wireless phone use by children was strictly precautionary; it was
not based on scientific evidence that any health hazard exists.
10. What steps can I take to reduce my exposure to Radio Frequency energy from my wireless phone?
If there is a risk from these products- and at this point we do not know that there is - it is probably very small. But if you
are concerned about avoiding even potential risks, you can take a few simple steps to minimize your exposure to Radio
Frequency (RF) energy. Since time is a key factor in how much exposure a person receives, reducing the amount of time
spent using a wireless phone will reduce RF exposure. If you must conduct extended conversations by wireless phone
on a daily basis, consider placing more distance between your body and the source of the RF, since the exposure level
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