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 num-
ber 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 anring 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 tis-
sue, 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.
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