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The FDA and the Cellular Telecommunications & Internet
Association (CTIA) have a formal Cooperative Research And
Development Agreement (CRADA) to do research on wireless
phone safety. The FDA provides the scientific oversight,
obtaining input from experts in government, industry, and
academic organizations. CTIA-funded research is conducted
through contracts with 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 (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 (1.6 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 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
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