Motorola C333 Specifications download pdf (Page 137)

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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 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

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Motorola C333 Specifications Page 137