LG US780 - Page 100

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Safety
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house,typicallyoperateatfarlowerpowerlevels,andthus
produceRFexposuresfarbelowtheFCCsafetylimits.
4. What are the results of the research done already?
Theresearchdonethusfarhasproducedconictingresults,andmany
studieshavesufferedfromawsintheirresearchmethods.Animal
experimentsinvestigatingtheeffectsofRadioFrequency(RF)energy
exposurescharacteristicofwirelessphoneshaveyieldedconicting
resultsthatoftencannotberepeatedinotherlaboratories.Afewanimal