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Section 4A: Important Safety Information 255
Radiofrequency (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 radiofrequency (RF) signals.When you use your phone,the system handling your
call controls the power level.This power can range from 0.006 watt to 0.2 watt in digital
mode.
Knowing Radiofrequency 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 supplied or approved carrying case, holster or other body-worn accessory.If
you do not use a body-worn accessory, ensure the antenna is at least 1.9 centimeters from
your body when transmitting.Use of non-approved accessories may violate FCC RF exposure
guidelines.
For more information about RF exposure,visit the FCC Web site at www
.fcc.gov.
Important Safety Information