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For Your Safety
X  Cooperateinprovidingusersofwirelessphoneswiththebestpossibleinformationon
possibleeffectsofwirelessphoneuseonhumanhealth.
TheFDAbelongstoaninteragencyworkinggroupofthefederalagenciesthathave
responsibilityfordifferentaspectsofRFsafetytoensurecoordinatedeffortsatthefederal
level.Thefollowingagenciesbelongtothisworkinggroup:
X  NationalInstituteforOccupationalSafetyandHealth
X  EnvironmentalProtectionAgency
X  OccupationalSafetyandHealthAdministration
X  NationalTelecommunicationsandInformationAdministration
TheNationalInstitutesofHealthparticipatesinsomeinteragencyworkinggroupactivities,
aswell.
TheFDAsharesregulatoryresponsibilitiesforwirelessphoneswiththeFederal
CommunicationsCommission(FCC).AllphonesthataresoldintheUnitedStatesmust
complywithFCCsafetyguidelinesthatlimitRFexposure.TheFCCreliesontheFDAand
otherhealthagenciesforsafetyquestionsaboutwirelessphones.
TheFCCalsoregulatesthebasestationsthatthewirelessphonenetworksrelyupon.While
thesebasestationsoperateathigherpowerthandothewirelessphonesthemselves,the
RFexposuresthatpeoplegetfromthesebasestationsaretypicallythousandsoftimes
lowerthanthosetheycangetfromwirelessphones.Basestationsarethusnotthesubject
ofthesafetyquestionsdiscussedinthisdocument.
3. What kinds of phones are the subject of this update?
Theterm“wirelessphone”refersheretohandheldwirelessphoneswithbuilt-inantennas,
oftencalled“cell”,“mobile”,or“PCS”phones.Thesetypesofwirelessphonescanexpose
theusertomeasurableRadioFrequency(RF)energybecauseoftheshortdistancebetween
thephoneandtheuser’shead.
TheseRFexposuresarelimitedbyFCCsafetyguidelinesthatweredevelopedwiththe
adviceoftheFDAandotherfederalhealthandsafetyagencies.Whenthephoneis
locatedatgreaterdistancesfromtheuser,theexposuretoRFisdrasticallylowerbecause
aperson'sRFexposuredecreasesrapidlywithincreasingdistancefromthesource.The
so-called“cordlessphones,”whichhaveabaseunitconnectedtothetelephonewiringina