Samsung SCH-R710 User Manual (user Manual) (ver.f6) (English) - Page 106

Do wireless phone accessories that claim to shield the head from RF radiation work?

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during use, then that part of the body will absorb more RF energy. Wireless phones marketed in the U.S. are required to meet safety requirements regardless of whether they are used against the head or against the body. Either configuration should result in compliance with the safety limit. 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. In February 2002, the Federal trade Commission (FTC) charged two companies that sold devices that claimed to protect wireless phone users from radiation with making false and unsubstantiated claims. According to FTC, these defendants lacked a reasonable basis to substantiate their claim. 102

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102
during use, then that part of the body will absorb more RF energy.
Wireless phones marketed in the U.S. are required to meet safety
requirements regardless of whether they are used against the head
or against the body. Either configuration should result in compliance
with the safety limit.
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. In February
2002, the Federal trade Commission (FTC) charged two companies
that sold devices that claimed to protect wireless phone users from
radiation with making false and unsubstantiated claims.
According to FTC, these defendants lacked a reasonable basis to
substantiate their claim.