Samsung SPH-A640 User Manual (user Manual) (ver.1.0) (English) - Page 217

Radio Frequency (RF) Energy

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Important Safety Information Radio Frequency (RF) Energy Understanding How Your Phone Operates Your phone is basically a radio transmitter and receiver. When it's turned on, it receives and transmits radio frequency (RF) signals. When you use your phone, the system handling your call controls the power level. This power can range from 0.006 watts to 0.2 watts in digital mode. Knowing Radio Frequency Safety The design of your phone complies with updated NCRP standards described below. In 1991-92, the Institute of Electrical and Electronics Engineers (IEEE) and the American National Standards Institute (ANSI) joined in updating ANSI's 1982 standard for safety levels with respect to human exposure to RF signals. More than 120 scientists, engineers and physicians from universities, government health agencies and industries developed this updated standard after reviewing the available body of research. In 1993, the Federal Communications Commission (FCC) adopted this updated standard in a regulation. In August 1996, the FCC adopted hybrid standard consisting of the existing ANSI/IEEE standard and the guidelines published by the National Council of Radiation Protection and Measurements (NCRP). Body-Worn Operation To maintain compliance with FCC RF exposure guidelines, if you wear a handset on your body, use the Sprint supplied or approved carrying case, holster or other body-worn accessory. Use of non-Sprint-approved accessories may violate FCC RF exposure guidelines. For more information about RF exposure, visit the FCC Web site at www.fcc.gov. Section 4A: Important Safety Information 199

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Section 4A: Important Safety Information
199
Important Safety Information
Radio Frequency (RF) Energy
Understanding How Your Phone Operates
Your phone is basically a radio transmitter and receiver. When it’s turned on, it receives and
transmits radio frequency (RF) signals. When you use your phone, the system handling your
call controls the power level. This power can range from 0.006 watts to 0.2 watts in digital
mode.
Knowing Radio Frequency Safety
The design of your phone complies with updated NCRP standards described below.
In 1991-92, the Institute of Electrical and Electronics Engineers (IEEE) and the American
National Standards Institute (ANSI) joined in updating ANSI’s 1982 standard for safety levels
with respect to human exposure to RF signals. More than 120 scientists, engineers and
physicians from universities, government health agencies and industries developed this
updated standard after reviewing the available body of research. In 1993, the Federal
Communications Commission (FCC) adopted this updated standard in a regulation. In
August 1996, the FCC adopted hybrid standard consisting of the existing ANSI/IEEE
standard and the guidelines published by the National Council of Radiation Protection and
Measurements (NCRP).
Body-Worn Operation
To maintain compliance with FCC RF exposure guidelines, if you wear a handset on your
body, use the Sprint supplied or approved carrying case, holster or other body-worn
accessory. Use of non-Sprint-approved accessories may violate FCC RF exposure
guidelines.
For more information about RF exposure, visit the FCC Web site at
www.fcc.gov
.