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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 identification number on your phone so you can find your
phone’s RF exposure level in the online listing.
8. What has 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 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.