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Copyright
©
2003 Nokia. All rights reserved.
FDA and the Cellular Telecommunications
&
Internet Association (CTIA) have a formal
Cooperative Research and Development Agreement (CRADA) to do research on wireless
phone safety. FDA provides the scientific oversight, obtaining input from experts in
government, industry, and academic organizations. CTIA-funded research is conducted
through contracts to independent investigators. The initial research will include both
laboratory studies and studies of wireless phone users. 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 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 energy (RF) exposures. FCC
established these guidelines in consultation with FDA and the other federal health and
safety agencies. The FCC limit for RF exposure from wireless telephones is set at a
Specific 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 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/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 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 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
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