User's Manual
Table Of Contents
FDA consumer information on wireless phones
85
Do wireless phone accessories that claim to shield the head
from RF radiation work?
Since there are no known risks from exposure to RF emissions from
wireless phones, there is no reason to believe that accessories that
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 "hand-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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