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Health and Safety
Health and Safety 151
from the head in the user’s hand or in approved body worn accessories. Cell
phones marketed in the U.S. are required to meet RF exposure compliance
requirements when used against the head and against the body.
Because there are no known risks from exposure to RF emissions from cell
phones, there is no reason to believe that hands-free kits reduce risks. Hands-
free kits can be used for convenience and comfort. They are also required by law
in many states if you want to use your phone while driving.
Cell Phone Accessories that Claim to Shield the Head from RF Radiation
Because there are no known risks from exposure to RF emissions from cell
phones, there is no reason to believe that accessories which claim to shield the
head from those emissions reduce risks. Some products that claim to shield the
user from RF absorption use special phone cases, while others involve nothing
more than a metallic accessory attached to the phone. Studies have shown that
these products generally do not work as advertised. Unlike “hands-free” kits,
these so-called “shields” may interfere with proper operation of the phone. The
phone may be forced to boost its power to compensate, leading to an increase in
RF absorption.
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