2AZBU-43RXBaby Monitor

SAR Max. Values:0.719 W/Kg (1g) for body-worn device. The back of the device kept 0mm from the body.

ShenzhenMingchuangzhilianTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-2-10 FCCID:ZAZBU-43RX Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing ShenzhenMingchuangzhilianTechnologyCo.,Ltdcertifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing ShenzhenMingchuangzhilianTechnologyCo.,Ltdcertifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredListasan entityproducing“covered”equipment. Applicant:ShenzhenMingchuangzhilianTechnologyCo.,Ltd Address:4/F,BBlock,No.3,EastRegion,ShangxueSciencePark,Bantian St,Longgang,Shenzhen,China ContactPerson:SambShuai Tel.:+86-13714264917 Email:[email protected] Sincerely, Signature:

FRN:0033401837

ShenzhenMingchuangzhilianTechnologyCo.,Ltd Date：2023-1-14 ProductModelNumber:SM43A,SM43ARX,SM43B,SM43BRX,SM43C, SM43CRX,SM43RX,SM43D,SM43DRX FCCID：2AZBU-43RX Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyORGANIZATION.onourbehalf shallhavethesameeffectasactsofourown. By:SambShuai ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:+86-13714264917 Onbehalfof:ShenzhenMingchuangzhilianTechnologyCo.,Ltd

ShenzhenMingchuangzhilianTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:February6,2023 Subject;RequestforConfidentiality FCCID:2AZBU-43RX ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram OperationalDescription Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:SambShuai Title:Manager

ShenzhenMingchuangzhilianTechnologyCo.,Ltd ModelConfirmationLetter We,(ShenzhenMingchuangzhilianTechnologyCo.,Ltd)certifytheproduct: BabyMonitor ModelNo.: SM43A,SM43ARX,SM43B,SM43BRX,SM43C,SM43CRX,SM43RX,SM43D, SM43DRX Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringare identical,Onlythemodelisdifferent. Signiture: GranteeContact:SambShuai CompanyName:ShenzhenMingchuangzhilianTechnologyCo.,Ltd Date:2023-1-14

SmartreeTechnologyCO.,Ltd AntennaInformation ManufacturerSmartreeTechnologyCO.,Ltd AntennaType2.4Gbuilt-inmetalantenna AntennaModelST43RX-24L-ANT-V01 AntennaPartNumberJ7 AntennaFrequencyRange 2400-2483(MHZ) AntennaInputPowerLimitation 1W AntennaPeakGain0.48(dBi) AntennaDimension(LxHxW)23.58*5.62*1(mm) AntennaPhoto AntennaTopView[WithRuler] AntennaBottomView[WithRuler] CompanyLetterHead AntennaPattern/GainMeasurementdata/Table:

Externalphotos

Internalphotos

Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com SARTESTREPORT FCCID.................................: 2AZBU-43RX TestReportNo.....................: TCT221128E011 Dateofissue.........................: 29 th Nov.2022 Testinglaboratory...............: SHENZHENTONGCETESTINGLAB Testinglocation/address.....: 2101&2201,ZhenchangFactoryRenshanIndustrialZone,Fuhai Subdistrict,Bao'anDistrict,Shenzhen,Guangdong,518103, People'sRepublicofChina Applicant'sname.................: ShenzhenMingchuangzhilianTechnologyCo.,Ltd. Address.................................: 4/F,BBlock,No.3,EastRegion,ShangxueSciencePark,Bantian St.,LonggangDist.,Shenzhen,China Manufacturer'sname........: ShenzhenMingchuangzhilianTechnologyCo.,Ltd. Address.................................: 4/F,BBlock,No.3,EastRegion,ShangxueSciencePark,Bantian St.,LonggangDist.,Shenzhen,China ProductName......................: BabyMonitor TradeMark..........................: N/A Model/Typereference..........: SM43A SARMax.Values..............: 0.719W/Kg(1g)forbody-worndevice Dateofreceiptoftestitem..: 28 th Nov.2022 Date(s)ofperformanceoftest: 28 th Nov.2022 Testedby(+signature).........: KarlWANG Checkby(+signature).........: BerylZhao Approvedby(+signature)...: Tomsin Generaldisclaimer: Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofSHENZHENTONGCE TESTINGLAB.ThisdocumentmaybealteredorrevisedbySHENZHENTONGCETESTINGLAB personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthereport onlyapplytothetestedsample. ReportNo.:TCT221128E011 Page 2 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com TABLEOFCONTENTS 1.GeneralProductInformation............................................................................................................................................................................................3 1.1.EUTDESCRIPTION...............................................................................................................................................................................................3 1.2.MODEL(S)LIST....................................................................................................................................................................................................3 2.Teststandard.....................................................................................................................................................................................................................4 3.FacilitiesandAccreditations..............................................................................................................................................................................................5 3.1.FACILITIES..........................................................................................................................................................................................................5 3.2.LOCATION...........................................................................................................................................................................................................5 3.3.ENVIRONMENTCONDITION:................................................................................................................................................................................5 4.TestResultSummary.........................................................................................................................................................................................................6 5.RFExposureLimit.............................................................................................................................................................................................................7 6.SARMeasurementSystemConfiguration.........................................................................................................................................................................8 6.1.SARMEASUREMENTSET-UP...............................................................................................................................................................................8 6.2.E-FIELDPROBE...................................................................................................................................................................................................9 6.3.PHANTOM............................................................................................................................................................................................................9 6.4.DEVICEHOLDER...............................................................................................................................................................................................10 6.5.DATASTORAGEANDEVALUATION....................................................................................................................................................................11 6.6.POSITIONOFTHEWIRELESSDEVICEINRELATIONTOTHEPHANTOM...............................................................................................................12 6.7.TISSUEDIELECTRICPARAMETERS....................................................................................................................................................................15 6.8.TISSUE-EQUIVALENTLIQUIDPROPERTIES........................................................................................................................................................16 6.9.SYSTEMCHECK.................................................................................................................................................................................................17 7.MeasurementProcedure.......................................................................................................…

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ReportNo.:TCT221128E011 Page 4 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 2.Teststandard Thetestswereperformedaccordingtofollowingstandards: FCC47CFR§2.1093 IEEE1528-2013:RecommendedPracticeforDeterminingthePeakSpatial-AverageSpecific AbsorptionRateintheHumanHeadfromWirelessCommunicationsDevices:Measurement Techniques KDB447498D01:GeneralRFExposureGuidancev06 KDB447498D04:InterimGeneralRFExposureGuidancev01 KDB865664D01:SARmeasurement100MHzto6GHzv01r04 KDB865664D02:RFExposureReportingv01r02. KDB690783D01:SARListingsonGrantv01r03 ReportNo.:TCT221128E011 Page 5 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 3.FacilitiesandAccreditations 3.1.Facilities Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: ●FCC-RegistrationNo.:645098 ShenzhenTongceTestingLab The3mSemi-anechoicchamberhasbeenregisteredandfullydescribedinareportwiththe (FCC)FederalCommunicationsCommission.TheacceptanceletterfromtheFCCis maintainedinourfiles. ●IC-RegistrationNo.:10668A-1 The3mSemi-anechoicchamberofShenzhenTongceTestingLab..hasbeenregisteredby CertificationandEngineeringBureauofIndustryCanadaforradioequipmenttesting 3.2.Location SHENZHENTONGCETESTINGLAB. Address:2101&2201,ZhenchangFactoryRenshanIndustrialZone,FuhaiSubdistrict,Bao'an District,Shenzhen,Guangdong,518103,People'sRepublicofChina 3.3. EnvironmentCondition: Temperature: 18C~25C Humidity: 35%~75%RH AtmosphericPressure:1011mbar ReportNo.:TCT221128E011 Page 6 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 4.TestResultSummary ThemaximumresultsofSpecificAbsorptionRate(SAR)foundduringtestasbellows: <HighestReportedstandaloneSARSummary> ExposurePositionFrequencyBand ReportedSAR (W/kg) EquipmentClass HighestReported SAR(W/kg) body-worn 1-gSAR (0mmGap) 2.4GCustom0.719DSS0.719 1.Thedeviceonlyhasoneantenna,sowedon’tneedtoconsidersimultaneoustransmission. 2.ThisdeviceiscompliancewithSpecificAbsorptionRate(SAR)forgeneralpopulation/uncontrolledexposurelimits specifiedinFCC47CFRpart2(2.1093)andANSI/IEEEC95.1-2005,andhadbeentestedinaccordancewiththe measurementmethodsandproceduresspecifiedinIEEE1528-2013. ReportNo.:TCT221128E011 Page 7 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 5.RFExposureLimit TypeExposure SAR(W/kg) UncontrolledExposureLimit SpatialPeakSAR(averagedoverany1g oftissue) 1.60 SpatialPeakSAR(hands/wrists/feet/ankles averagedover10g) 4.00 SpatialPeakSAR(averagedoverthe wholebody) 0.08 Note: 1.TheSpatialPeakvalueoftheSARaveragedoverany1gramoftissue(definedasatissuevolumeinthe shapeofacube)andovertheappropriateaveragingtime. 2.TheSpatialAveragevalueoftheSARaveragedoverthewholebody. 3.TheSpatialPeakvalueoftheSARaveragedoverany10gramsoftissue(definedasatissuevolumeinthe shapeofacube)andovertheappropriateaveragingtime. ReportNo.:TCT221128E011 Page 8 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 6.SARMeasurementSystemConfiguration 6.1.SARMeasurementSet-up TheOPENSARsystemforperformingcompliancetestsconsistofthefollowingitems: Astandardhighprecision6-axisrobot(KUKA)withcontrollerandsoftware. KUKAControlPanel(KCP) Adosimetricprobe,i.e.,anisotropicE-fieldprobeoptimizedandcalibratedforusageintissuesimulatingliquid. TheprobeisequippedwithaVideoPositioningSystem(VPS). Thestresssensoriscomposedwithmechanicalandelectronicwhentheelectronicpartdetectsachangeonthe electro-mechanicalswitch;itsendsan“Emergencysignal”totherobotcontrollerthattostoprobot’smovesA computeroperatingWindowsXP. OPENSARsoftwareRemotecontrolwithteachespendantandadditionalcircuitryforrobotsafetysuchas warninglamps,etc. TheSAMphantomenablingtestingleft-handright-handandbodyusage. ThePositiondeviceforhandheldEUT Tissuesimulatingliquidmixedaccordingtothegivenrecipes. Systemvalidationdipolestovalidatetheproperfunctioningofthesystem. KUKASARTestSysytemConfiguration ReportNo.:TCT221128E011 Page 9 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 6.2.E-fieldProbe TheSARmeasurementisconductedwiththedosimetricprobe(manufacturedbyMVG). Theprobeisspeciallydesignedandcalibratedforuseinliquidwithhighpermittivity.Thedosimetricprobehas specialcalibrationinliquidatdifferentfrequency. Thisprobehasabuiltinopticalsurfacedetectionsystemtopreventfromcollisionwithphantom. ProbeSpecification ConstructionSymmetricaldesignwithtriangularcore Interleavedsensors Built-inshieldingagainststaticcharges PEEKenclosurematerial(resistanttoorganicsolvents,e.g.,DGBE) CalibrationISO/IEC17025calibrationserviceavailable. DeviceTypeCOMOSARDOSIMETRICEFIELDPROBE ManufacturerMVG ModelSSE2 SerialNumberSN36/20EPGO346 FrequencyRangeofProbe0.15GHz-6GHz ResistanceofThreeDipolesatConnector Dipole1:R1=0.217MΩ Dipole2:R3=0.245MΩ Dipole3:R3=0.219MΩ PhotoofE-FieldProbe 6.3. Phantom TheSAMPhantomSAM120isconstructedofafiberglassshellintegratedinawoodentable.Theshapeofthe shellisincompliancewiththespecificationsetinIEEEP1528andCENELECIEC62209-1, IEC62209-2:2010. Thephantomenablesthedosimetricevaluationofleftandrighthandphoneusageaswellasbodymountedusage attheflatphantomregion. Acoverpreventstheevaporationoftheliquid. ReferencemarkingsonthePhantomallowthecompletesetupofallpredefinedphantompositionsand measurementgridsbymanuallyteachingthreepointsintherobot Systemcheckingwasperformedusingtheflatsection,whilstHeadSARtestsusedtheleftandrightheadprofile sections. BodySARtestingalsousedtheflatsectionbetweentheheadprofiles. Name:COMOSARIEEESAMPHANTOM S/N:SN19/15SAM120 Manufacture:MVG

ReportNo.:TCT221128E011 Page 10 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com SAMTwinPhantom 6.4. DeviceHolder IncombinationwiththeGenericTwinPhantomSAM120,theMountingDeviceenablestherotationofthe mountedtransmitterinsphericalcoordinateswherebytherotationpointsistheearopening. Thedevicescanbeeasily,accurately,andrepeatedlypositionedaccordingtotheFCCandCENELEC specifications. Thedeviceholdercanbelockedatdifferentphantomlocations(lefthead,righthead,flatphantom). C O M O S A R M o b i l e p h o n e p o s i t i o n i n g s y s t e m ReportNo.:TCT221128E011 Page 11 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 6.5.DataStorageandEvaluation DataStorage TheOPENSARsoftwarestorestheacquireddatafromthedataacquisitionelectronicsasrawdata(inmicrovolt readingsfromtheprobesensors),togetherwithallnecessarysoftwareparametersforthedataevaluation(probe calibrationdata,liquidparametersanddevicefrequencyandmodulationdata)inmeasurementfiles.Thesoftware evaluatesthedesiredunitandformatforoutputeachtimethedataisvisualizedorexported.Thisallows verificationofthecompletesoftwaresetupevenafterthemeasurementandallowscorrectionofincorrect parametersettings.Forexample,ifameasurementhasbeenperformedwithawrongcrestfactorparameterinthe devicesetup,theparametercanbecorrectedafterwardsandthedatacanbere-evaluated. Themeasureddatacanbevisualizedorexportedindifferentunitsorformats,dependingontheselectedprobe type([V/m],[A/m],[°C],[mW/g],[mW/cm²],[dBrel],etc.).Someoftheseunitsarenotavailableincertain situationsorshowmeaninglessresults,e.g.,aSARoutputinalosslessmediawillalwaysbezero.Rawdatacan alsobeexportedtoperformtheevaluationwithothersoftwarepackages. DataEvaluation TheOPENSARsoftwareautomaticallyexecutesthefollowingprocedurestocalculatethefieldunitsfromthe microvoltreadingsattheprobeconnector.Theparametersusedintheevaluationarestoredintheconfiguration modulesofthesoftware: Probeparameters:-SensitivityNormi,ai0,ai1,ai2 -ConversionfactorConvFi -DiodecompressionpointDcpi Deviceparameters:-Frequencyf -Crestfactorcf Mediaparameters:-Conductivityσ -Densityρ Theseparametersmustbesetcorrectlyinthesoftware.Theycanbefoundinthecomponentdocumentsorthey canbeimportedintothesoftwarefromtheconfigurationfilesissuedfortheOPENSARcomponents.Inthedirect measuringmodeofthemillimeteroption,theparametersoftheactualsystemsetupareused.Inthescan visualizationandexportmodes,theparametersstoredinthecorrespondingdocumentfilesareused. Thefirststepoftheevaluationisalinearizationofthefilteredinputsignaltoaccountforthecompression characteristicsofthedetectordiode.Thecompensationdependsontheinputsignal,thediodetypeandthe DC-transmissionfactorfromthediodetotheevaluationelectronics.Iftheexcitingfieldispulsed,thecrestfactor ofthesignalmustbeknowntocorrectlycompensateforpeakpower.Theformulaforeachchannelcanbegiven as: Vi=Ui+Ui2·cf/dcpi WithVi=compensatedsignalofchanneli(i=x,y,z) Ui=inputsignalofchanneli(i=x,y,z) cf=crestfactorofexcitingfield(MVGparameter) dcpi=diodecompressionpoint(MVGparameter) Fromthecompensatedinputsignalstheprimaryfielddataforeachchannelcanbeevaluated: E-fieldprobes:Ei=(Vi/Normi·ConvF)1/2 H-fieldprobes:Hi=(Vi)1/2·(ai0+ai1f+ai2f2)/f WithVi=compensatedsignalofchanneli(i=x,y,z) Normi=sensorsensitivityofchanneli(i=x,y,z) [mV/(V/m)2]forE-fieldProbes ConvF=sensitivityenhancementinsolution aij=sensorsensitivityfactorsforH-fieldprobes f=carrierfrequency[GHz] Ei=electricfieldstrengthofchanneliinV/m Hi=magneticfieldstrengthofchanneliinA/m TheRSSvalueofthefieldcomponentsgivesthetotalfieldstrength(Hermitianmagnitude): Etot=(Ex2+EY2+Ez2)1/2 ReportNo.:TCT221128E011 Page 12 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com Theprimaryfielddataareusedtocalculatethederivedfieldunits. SAR=(Etot)2·σ/(ρ·1000) withSAR=localspecificabsorptionrateinmW/g Etot=totalfieldstrengthinV/m σ=conductivityin[mho/m]or[Siemens/m] ρ=equivalenttissuedensitying/cm3 Notethatthedensityisnormallysetto1(or1.06),toaccountforactualbraindensityratherthanthedensityofthe simulationliquid.Thepowerflowdensityiscalculatedassumingtheexcitationfieldtobeafreespacefield. 6.6.Positionofthewirelessdeviceinrelationtothephantom HandsetReferencePoints Ppwe=Etot2/3770orPpwe=Htot2·37.7 WithPpwe=equivalentpowerdensityofaplanewaveinmW/cm2 Etot=totalelectricfieldstrengthinV/m Htot=totalmagneticfieldstrengthinA/m WtWidthofthehandsetattheleveloftheacoustic WbWidthofthebottomofthehandset AMidpointofthewidthwtofthehandsetattheleveloftheacousticoutput BMidpointofthewidthwbofthebottomofthehandset PositioningforCheek/Touch ReportNo.:TCT221128E011 Page 13 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com PositioningforEar/15ºTilt BodyWornAccessoryConfigurations Topositionthedeviceparalleltothephantomsurfacewitheitherkeypadupordown. Toadjustthedeviceparalleltotheflatphantom. Toadjustthedistancebetweenthedevicesurfaceandtheflatphantomto15mmorholstersurfaceandtheflat phantomto0mm. IllustrationforBodyWornPosition WirelessRouter（Hotspot）Configurations Somebattery-operatedhandsetshavethecapabilitytotransmitandreceiveinternetconnectivitythrough simultaneoustransmissionofWIFIinconjunctionwithaseparatelicensedtransmitter.TheFCChasprovided guidanceinKDBPublication941225D06whereSARtestconsiderationsforhandsets(LxW≥ 9cmx5cm)arebasedonacompositetestseparationdistanceof10mmfromthefront,backandedgesofthe devicewithantennas2.5cmorclosertotheedgeofthedevice,determinedfromgeneralmixeduseconditionsfor thistypeofdevices.SincethehotspotSARresultsmayoverlapwiththebody-wornaccessorySARrequirements, themoreconservativeconfigurationscanbeconsidered,thusexcludingsomebody-wornaccessorySARtests. Whentheuserenablesthepersonalwirelessrouterfunctionsforthehandset,actualoperationsinclude simultaneoustransmissionofboththeWIFItransmitterandanotherlicensedtransmitter.Bothtransmittersoften donottransmitatthesametransmittingfrequencyandthuscannotbeevaluatedforSARunderactualuse conditions.Theref…

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ReportNo.:TCT221128E011 Page 20 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com interpolationschemecombinesaleast-squarefittedfunctionmethodandaweightedaveragemethodwhicharethe twobasictypesofcomputationalinterpolationandapproximation. ExtrapolationroutinesareusedtoobtainSARvaluesbetweenthelowestmeasurementpointsandtheinner phantomsurface.Theextrapolationdistanceisdeterminedbythesurfacedetectiondistanceandtheprobesensor offset.Theuncertaintyincreaseswiththeextrapolationdistance.Tokeeptheuncertaintywithin1%forthe1gand 10gcubes,theextrapolationdistanceshouldnotbelargerthan5mm. PowerDriftMonitoring AllSARtestingisundertheEUTinstallfullchargedbatteryandtransmitmaximumoutputpower.InMVG measurementsoftware,thepowerreferencemeasurementandpowerdriftmeasurementproceduresareusedfor monitoringthepowerdriftofEUTduringSARtest.Boththeseproceduresmeasurethefieldataspecified referencepositionbeforeandaftertheSARtesting.ThesoftwarewillcalculatethefielddifferenceindB.Ifthe powerdriftsmorethan5%,theSARwillberetested. PowerDriftmeasurement Thedriftjobmeasuresthefieldatthesamelocationasthemostrecentreferencejobwithinthesameprocedure, andwiththesamesettings.ThedriftmeasurementgivesthefielddifferenceindBfromthereadingconducted withinthelastreferencemeasurement.Severaldriftmeasurementsarepossiblefor MeasurementUncertainty PerKDB865664D01SARMeasurement100KHzto6GHz,whenthehighestmeasurement1-gSARwithina frequencybandis<1.5W/kg,theextensiveSARmeasurementuncertaintyanalysisdescribedIEEEStd1528-2013 isnotrequiredinSARreportsubmittedforequipmentapproval. ReportNo.:TCT221128E011 Page 21 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 8.ConductedOutputPower 2.4GCustom(rate:1Mbps) ModeGFSK Channel012 Frequency24102441.52473 AveragePower(dBm)9.910.3710.83 Tune-upLimit(dBm)10.0010.5011.00 Note 1.PerKDB447498D04InterimGeneralRFExposureGuidancev01,the1-gSARtestexclusionthresholdsfor300MHzto6 GHzattestseparationdistances≤40cmaredeterminedby: 2.Baseontheresultofnote1,RFexposureevaluationof2.4GCustomisrequired. 3.PerKDB248227D01v02r02,choosethehighestoutputpowerchanneltotestSARanddeterminefurtherSARexclusion. 4.Theoutputpowerofalldataratewereprescan,justtheworstcase(thelowestdatarate)ofallmodewereshowninreport. ReportNo.:TCT221128E011 Page 22 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 9.ExposurePositionConsideration 9.1. EUTAntennaInformation Antennainformation： 2.4GCustomAntenna2.4GCustomTX/RX 9.2.TestPositionConsideration TestPositions ModeFrontSideBackSide 2.4GCustomYesYes Note： Thedevicebelongstobody-worndevice,andthisdevicedoesn’tsupporthotspotcapability,weusebodyexposureconditionwith separationdist.0mmasthemostconservativedistancetoevaluatethisdeviceperKDB447498D01GeneralRFExposureGuidance v06. ReportNo.:TCT221128E011 Page 23 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 10.SARTestResultsSummary 10.1. Body-worn1gSARData BandMode Test Position with0 mm CH. Freq. (MHz) Ave. Power (dBm) Tune-U pLimit (dBm) Power Drift (%) Meas. SAR1g (W/kg) Scaling Factor Reported SAR1g (W/kg) Limit (W/Kg) 2.4G Custom GFSK Front22473.010.8311.00-0.7000.6911.0400.719 1.60 Back22473.010.8311.00-0.7800.3261.0400.339 Note: 1.PerKDB447498D01v06,foreachexposureposition,ifthehighestoutputpowerchannelReportedSAR≤0.8W/kg,otherchannelsSARtestingisnot necessary. 2.PerKDB447498D01v06,body-wornuseisevaluatedwiththedevicepositionedat0mmfromaflatphantomfilledwithbodytissue-equivalent medium. 3.PerKDB447498D01v06,thereportSARismeasuredSARvalueadjustedformaximumtune-uptolerance.ScalingFactor=10^[(tune-uplimit power(dBm)-Ave.powerpower(dBm))/10],wheretune-uplimitisthemaximumratedpoweramongallproductionunits. ReportedSAR(W/kg)=MeasuredSAR(W/kg)*ScalingFactor. 4.PerKDB865664D01v01r04performasecondrepeatedmeasurementonlytheratiooflargesttosmallestSARfortheoriginalandfirstrepeated measurementis>1.20orwhentheoriginalorrepeatedmeasurementis≥1.45W/kg. 5.Performasecondmeasurementonlyiftheoriginal,firstandsecondrepeatedmeasurementis≥1.5w/kgandtheratiooflargesttosmallestSARforthe original,firstandsecondrepeatedmeasurementis>1.20. ReportNo.:TCT221128E011 Page 24 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com 10.2.SimultaneousTransmissionConclusion Multi-BandSimultaneousTransmissionConsiderations AccordingtoFCCKDBPublication447498D01v05r02,transmittersareconsideredtobetransmittingsimultaneously whenthereisoverlappingtransmission,withtheexceptionoftransmissionsduringnetworkhand-offswithmaximum hand-offdurationlessthan30seconds.PossibletransmissionpathsfortheEUTareshowninbelowFigureandare color-codedtoindicatecommunicationmodeswhichsharethesamepath.Modeswhichsharethesametransmission pathcannottransmitsimultaneouslywithoneanother. SimultaneousTransmissionPaths SimultaneousTransmissionProcedures Thisdevicecontainsonlyonetransmitterthatcan'toperatesimultaneously.Butstillgivesimultaneoustransmission analysisforyourreference,whichisrequired.PerFCCKDB447498D01v05r02,simultaneoustransmissionSARtest exclusionmaybeappliedwhenthesumofthe1-gSARforallthesimultaneoustransmittingantennasinaspecifica physicaltestconfigurationis≤1.6W/kg.WhenstandaloneSARisnotrequiredtobemeasured,perFCCKDB447498 D01v05r024.3.2.2),thefollowingequationmustbeusedtoestimatethestandalone1gSARand10gextremitySARfor simultaneoustransmissionassessmentinvolvingthattransmitter. EstimatedSAR= )75.18(5.7 )(GHzf  mmDistance, Separation Min. mWchannel, ofpower Max. Note: 1.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingisappliedtodetermineestimatedSAR. 2.(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)/x]W/kgfortest separationdistances≤50mm;wherex=7.5for1-gSAR,andx=18.75for10-gSAR. SimultaneousTransmissionConclusion Causethisdeviceonlyhasonetransmitter,wedon’tneedtoconsidersimultaneoustransmissionconditions. Therefore,measuredvolumetricsimultaneousSARsummatio…

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ReportNo.:TCT221128E011 Page 33 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com AppendixB:TestSetupPhotos Body-worn(gap0mm):FrontBody-worn(gap0mm):Back ReportNo.:TCT221128E011 Page 34 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com AppendixC:ProbeCalibrationCertificate COMOSARE-FIELDProbe ReportNo.:TCT221128E011 Page 35 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 36 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 37 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 38 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 39 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 40 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 41 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 42 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com

ReportNo.:TCT221128E011 Page 43 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 44 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com DielectricProbeCalibration ReportNo.:TCT221128E011 Page 45 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 46 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 47 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 48 of 61 Hotline:400-6611-140Tel:86-755-27673339Fax:86-755-27673332http://www.tct-lab.com ReportNo.:TCT221128E011 Page 49 of 61 Hotline:400-6611-140Tel:86-755-2…

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