Sanyo KATANA User Guide - Page 244
Radiofrequency (RF) Energy, Specific Absorption Rate SAR for Wireless Phones - carrying case
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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 watts to 0.2 watts 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 Sprint-supplied or Sprint-approved carrying case, holster, or other body-worn accessory. If you do not use a body-worn accessory, ensure the antenna is at least 2.2 centimeters from your body when transmitting. 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. Specific Absorption Rate (SAR) for Wireless Phones The SAR is a value that corresponds to the relative amount of RF energy absorbed in the head of a user of a wireless handset. The SAR value of a phone is the result of an extensive testing, measuring and calculation process. It does not represent how much RF the phone emits. All phone models are tested at their highest value in strict laboratory settings. But when in operation, the SAR of a phone can be substantially less than the level reported to the FCC. This is because of a variety of factors including its proximity to a base station antenna, phone design and other 228 Section 4A: Important Safety Information