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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.
8. What has the FDA done to measure the Radio Frequency energy
coming from wireless phones?
The Institute of Electrical and Electronic Engineers (IEEE) is
developing a technical standard for measuring the Radio Frequency
(RF) energy 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 Specific Absorption Rate (SAR) in the Human Body
Due to Wireless Communications Devices: Experimental
Techniques”, sets forth the first consistent test methodology for
measuring the rate at which RF is deposited in the heads of
wireless phone users. The test method uses a tissue-simulating
model of the human head. Standardized SAR test 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 milliwatts/g) of matter. This measurement is used to
determine whether a wireless phone complies with safety
guidelines.
Safety