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GH68-08136A
HearingAidCompatibilitywithMobilePhones
Whensomemobilephonesareusednearsomehearingdevices(hearingaidsand
cochlearimplants),usersmaydetectabuzzing,humming,orwhiningnoise.Some
hearingdevicesaremoreimmunethanotherstothisinterferencenoise,andphones
alsovaryintheamountofinterferencetheygenerate.
Thewirelesstelephoneindustryhasdevelopedratingsforsomeoftheirmobile
phones,toassisthearingdeviceusersinfindingphonesthatmaybecompatible
withtheirhearingdevices.Notallphoneshavebeenrated.Phonesthatarerated
havetheratingontheirboxoralabelonthebox.
Theratingsarenotguarantees.Resultswillvarydependingontheuser’shearing
deviceandhearingloss.Ifyourhearingdevicehappenstobevulnerabletointerfer-
ence,youmaynotbeabletousearatedphonesuccessfully.Tryingoutthephone
withyourhearingdeviceisthebestwaytoevaluateitforyourpersonalneeds.
M-Ratings:PhonesratedM3orM4meetFCCrequirementsandarelikelytogener-
atelessinterferencetohearingdevicesthanphonesthatarenotlabeled.M4isthe
better/higherofthetworatings.
T-Ratings:PhonesratedT3orT4meetFCCrequirementsandarelikelytobemore
usablewithahearingdevice’stelecoil(“TSwitch”or“TelephoneSwitch”)than
unratedphones.T4isthebetter/higherofthetworatings.(Notethatnotallhearing
deviceshavetelecoilsinthem.)
Hearingdevicesmayalsobemeasuredforimmunitytothistypeofinterference.Your
hearingdevicemanufacturerorhearinghealthprofessionalmayhelpyoufindresults
foryourhearingdevice.Themoreimmuneyourhearingaidis,thelesslikelyyouare
toexperienceinterferencenoisefrommobilephones.
Summary of Contents for Verizon SCH-U485
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