Samsung SCH-i640 User Manual page 21

For Body Operation
For body worn operation, this model phone has been tested and meets the FCC RF
exposure guidelines when used with a Samsung-supplied or approved accessory
designated for this product or when used with and accessory that contains no metal
and that positions the handset a minimum from the body.
The minimum distance for this model phone is written in the FCC certification
information from the body. None compliance with the above conditions may violate
FCC RF exposure guidelines.
For more Information concerning exposure to radio frequency signals, see the following
websites:
Federal Communications Commission (FCC)
http://www.fcc.gov/rfsafety
Cellular Telecommunications Industry Association (CTIA):
http://www.wow-com.com
U.S.Food and Drug Administration (FDA)
http://www.fda.gov/cdrh/consumer
World Health Organization (WHO)
http://www.who.int/peh-emf/en
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