Samsung SGH-i907 User Manual

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Samsung SGH-i907 User Manual Manual pdf 67 page image

Health and safety information64Health and safety informationExposure to radio frequency(RF) signalsCertification Information (SAR)Your wireless phone is a radio transmitter and receiver. Itis designed and manufactured not to exceed the exposurelimits for radio frequency (RF) energy set by the FederalCommunications Commission (FCC) of the U.S.government. These FCC exposure limits are derived fromthe recommendations of two expert organizations, theNational Counsel on Radiation Protection andMeasurement (NCRP) and the Institute of Electrical andElectronics Engineers (IEEE). In both cases, therecommendations were developed by scientific andengineering experts drawn from industry, government,and academia after extensive reviews of the scientificliterature related to the biological effects of RF energy.The exposure limit set by the FCC for wireless mobilephones employs a unit of measurement known as theSpecific Absorption Rate (SAR). The SAR is a measure ofthe rate of absorption of RF energy by the human bodyexpressed in units of watts per kilogram (W/kg). The FCCrequires wireless phones to comply with a safety limit of1.6 watts per kilogram (1.6 W/kg). The FCC exposure limitincorporates a substantial margin of safety to giveadditional protection to the public and to account for anyvariations in measurements.SAR tests are conducted using standard operatingpositions accepted by the FCC with the phone transmittingat its highest certified power level in all tested frequencybands. Although the SAR is determined at the highestcertified power level, the actual SAR level of the phonewhile operating can be well below the maximum value.This is because the phone is designed to operate atmultiple power levels so as to use only the power requiredto reach the network. In general, the closer you are to awireless base station antenna, the lower the poweroutput.