Samsung SCH-U900ZKAVZW - Manual (Page 158)

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What about children using wireless phones?
The scientific evidence does not show a danger to users of wireless phones,
including children and teenagers. If you want to take steps to lower exposure to
radio frequency energy (RF), the measures described above would apply to children
and teenagers using wireless phones. Reducing the time of wireless phone use and
increasing the distance between the user and the RF source will reduce RF
exposure.
Some groups sponsored by other national governments have advised that children
be discouraged from using wireless phones at all. For example, the government in
the United Kingdom distributed leaflets containing such a recommendation in
December 2000. They noted that no evidence exists that using a wireless phone
causes brain tumors or other ill effects. Their recommendation to limit wireless
phone use by children was strictly precautionary; it was not based on scientific
evidence that any health hazard exists.
Do hands-free kits for wireless phones reduce
risks from exposure to RF emissions?
Since there are no known risks from exposure to RF emissions from wireless
phones, there is no reason to believe that hands-free kits reduce risks. Hands-free
kits can be used with wireless phones for convenience and comfort. These systems
reduce the absorption of RF energy in the head because the phone, which is the
source of the RF emissions, will not be placed against the head. On the other hand, if
the phone is mounted against the waist or other part of the body 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.