20
Safety Guidelines
exposurelevelforeachmodelofphonetotheFCC.TheFCCwebsite(http://www.fcc.
gov/oet/rfsafety)givesdirectionsforlocatingtheFCCidentificationnumberonyour
phonesoyoucanfindyourphone’sRFexposurelevelintheonlinelisting.
8. What has the FDA done to measure the radiofrequency energy coming from
wireless phones?
TheInstituteofElectricalandElectronicEngineers(IEEE)isdevelopingatechnical
standardformeasuringtheradiofrequencyenergy(RF)exposurefromwirelessphones
andotherwirelesshandsetswiththeparticipationandleadershipofFDAscientistsand
engineers.Thestandard,‘RecommendedPracticeforDeterminingtheSpatial-Peak
SpecificAbsorptionRate(SAR)intheHumanBodyDuetoWirelessCommunications
Devices:ExperimentalTechniques,’setsforththefirstconsistenttestmethodologyfor
measuringtherateatwhichRFisdepositedintheheadsofwirelessphoneusers.The
testmethodusesatissuesimulatingmodelofthehumanhead.StandardizedSARtest
methodologyisexpectedtogreatlyimprovetheconsistencyofmeasurementsmade
atdifferentlaboratoriesonthesamephone.SARisthemeasurementoftheamount
ofenergyabsorbedintissue,eitherbythewholebodyorasmallpartofthebody.
Itismeasuredinwatts/kg(ormilliwatts/g)ofmatter.Thismeasurementisusedto
determinewhetherawirelessphone
complies
withsafetyguidelines.
9. What steps can I take to reduce my exposure to radiofrequency energy from
my wireless phone?
Ifthereisariskfromtheseproducts-andatthispointwedonotknowthatthereis-it
isprobablyverysmall.Butifyouareconcernedaboutavoidingevenpotentialrisks,
youcantakeafewsimplestepstominimizeyourexposuretoradiofrequencyenergy
(RF).Sincetimeisakeyfactorinhowmuchexposureapersonreceives,reducing
theamountoftimespentusingawirelessphonewillreduceRFexposure.Ifyoumust
conductextendedconversationsbywirelessphoneeveryday,youcouldplacemore
distancebetweenyourbodyandthesourceoftheRF,sincetheexposureleveldropsoff
dramaticallywithdistance.Forexample,youcoulduseaheadsetandcarrythewireless
phoneawayfromyourbodyoruseawirelessphoneconnectedtoaremoteantenna.
Again,thescientificdatadoesnotdemonstratethatwirelessphonesareharmful.Butif
youareconcernedabouttheRFexposurefromtheseproducts,youcanusemeasures
likethosedescribedabovetoreduceyourRFexposurefromwirelessphoneuse.