Pantech 78 User Manual

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energy (RF) in the microwave range while being used. They also emit very 

low levels of RF when in the idle mode. Whereas high levels of RF can produce 

health effects (by heating tissue), exposure to low level RF that does not produce 

heating effects causes no known adverse health effects. Many studies of low 

level RF exposures have not found any biological effects. Some studies have 

suggested that some biological effects may occur, but such findings have not 

been confirmed by additional research. In some cases, other researchers have 

had difficulty in reproducing those studies, or in determining the reasons for 

inconsistent results.

Under the law, FDA does not review the safety of radiation-emitting consumer 

products such as wireless phones before they can be sold, as it does with new 

drugs or medical devices. However, the agency has authority to take action if 

wireless phones are shown to emit radiofrequency energy (RF) at a level that 

is hazardous to the user. In such a case, FDA could require the manufacturers of 

wireless phones to notify users of the health hazard and to repair, replace or recall 

the phones so that the hazard no longer exists. Although the existing scientific 

data do not justify FDA regulatory actions, FDA has urged the wireless phone 

industry to take a number of steps, including the following:
•  Support needed research into possible biological effects of RF of the type 

emitted by wireless phones;

•  Design wireless phones in a way that minimizes any RF exposure to the user that 

is not necessary for device function;

•  Cooperate in providing users of wireless phones with the best possible 

information on possible effects of wireless phone use on human health.

FDA belongs to an interagency working group of the federal agencies that have 

responsibility for different aspects of RF safety to ensure coordinated efforts at the