Loading ...
Loading ...
Loading ...
15
numberonyourphonesoyoucanfindyour
phone’sRFexposurelevelintheonline
listing.
8. What has the FDA done to measure
the radio frequency energy coming
from wireless phones?
TheInstituteofElectricalandElectronic
Engineers(IEEE)isdevelopingatechnical
standardformeasuringtheradiofrequency
energy(RF)exposurefromwireless
phonesandotherwirelesshandsetswith
theparticipationandleadershipofFDA
scientistsandengineers.Thestandard,
“RecommendedPracticeforDetermining
theSpatial-PeakSpecificAbsorptionRate
(SAR)intheHumanBodyDuetoWireless
CommunicationsDevices:Experimental
Techniques,”setsforththefirstconsistent
testmethodologyformeasuringtherate
atwhichRFisdepositedintheheadsof
wirelessphoneusers.
Thetestmethodusesatissue-simulating
modelofthehumanhead.Standardized
SARtestmethodologyisexpectedtogreatly
improvetheconsistencyofmeasurements
madeatdifferentlaboratoriesonthe
samephone.SARisthemeasurementof
theamountofenergyabsorbedintissue,
eitherbythewholebodyorasmallpart
ofthebody.Itismeasuredinwatts/kg(or
milliwatts/g)ofmatter.Thismeasurementis
usedtodeterminewhetherawirelessphone
complieswithsafetyguidelines.
9. What steps can I take to reduce my
exposure to radio frequency energy
from my wireless phone?
Ifthereisariskfromtheseproducts—and
atthispointwedonotknowthatthere
is—itisprobablyverysmall.Butifyouare
concernedaboutavoidingevenpotential
risks,youcantakeafewsimplestepsto
minimizeyourexposuretoradiofrequency
energy(RF).Sincetimeisakeyfactorin
howmuchexposureapersonreceives,
reducingtheamountoftimespentusinga
wirelessphonewillreduceRFexposure.If
youmustconductextendedconversations
bywirelessphoneeveryday,youcould
placemoredistancebetweenyourbodyand
thesourceoftheRF,sincetheexposure
leveldropsoffdramaticallywithdistance.
Forexample,youcoulduseaheadsetand
carrythewirelessphoneawayfromyour
bodyoruseawirelessphoneconnectedto
aremoteantenna.Again,thescientificdata
donotdemonstratethatwirelessphonesare
harmful.Butifyouareconcernedaboutthe
RFexposurefromtheseproducts,youcan
usemeasureslikethosedescribedabove
toreduceyourRFexposurefromwireless
phoneuse.
Loading ...
Loading ...
Loading ...