Motorola T720 User Manual - Page 79

Additional Health and Safety Information, Why the concern?, What kinds of phones are in question? - update

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The U.S. Food and Drug Administration's Center for Devices and Radiological Health Consumer Update on Mobile Phones Additional Health and Safety Information FDA has been receiving inquiries about the safety of mobile phones, including cellular phones and PCS phones. The following summarizes what is known-and what remains unknown-about whether these products can pose a hazard to health, and what can be done to minimize any potential risk. This information may be used to respond to questions. Why the concern? Mobile phones emit low levels of radio frequency energy (i.e., radio frequency radiation) in the microwave range while being used. They also emit very low levels of radio frequency energy (RF), considered nonsignificant, when in the stand-by mode. It is well known that high levels of RF can produce biological damage through heating effects (this is how your microwave oven is able to cook food). However, it is not known whether, to what extent, or through what mechanism, lower levels of RF might cause adverse health effects as well. Although some research has been done to address these questions, no clear picture of the biological effects of this type of radiation has emerged to date. Thus, the available science does not allow us to conclude that mobile phones are absolutely safe, or that they are unsafe. However, the available scientific evidence does not demonstrate any adverse health effects associated with the use of mobile phones. What kinds of phones are in question? Questions have been raised about hand-held mobile phones, the kind that have a built-in antenna that is positioned close to the user's head during normal telephone conversation. These types of mobile phones are of concern because of the short distance between the phone's antenna- 77

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77
The U.S. Food and Drug
Administration's Center for
Devices and Radiological Health
Consumer Update on Mobile Phones
Additional Health and Safety Information
FDA has been receiving inquiries about the safety of mobile phones,
including cellular phones and PCS phones. The following summarizes
what is known—and what remains unknown—about whether these
products can pose a hazard to health, and what can be done to minimize
any potential risk. This information may be used to respond to questions.
Why the concern?
Mobile phones emit low levels of radio frequency energy (i.e., radio
frequency radiation) in the microwave range while being used. They also
emit very low levels of radio frequency energy (RF), considered non-
significant, when in the stand-by mode. It is well known that high levels of
RF can produce biological damage through heating effects (this is how
your microwave oven is able to cook food). However, it is not known
whether, to what extent, or through what mechanism, lower levels of RF
might cause adverse health effects as well. Although some research has
been done to address these questions, no clear picture of the biological
effects of this type of radiation has emerged to date. Thus, the available
science does not allow us to conclude that mobile phones are absolutely
safe, or that they are unsafe. However, the available scientific evidence
does not demonstrate any adverse health effects associated with the use
of mobile phones.
What kinds of phones are in question?
Questions have been raised about hand-held mobile phones, the kind that
have a built-in antenna that is positioned close to the user's head during
normal telephone conversation. These types of mobile phones are of
concern because of the short distance between the phone's antenna—