2AZ23-LINKLimcet BOX

LimcetBOX Model:LimcetLink Usermanual 1.Introduction ThankyouforchoosingtousethisLimcetBOX. ·CarPlay TheiPhone’sbuilt-incar-machineinteractionsystemworkswiththecentralcontrolknob buttontooperatethevoicecontrolphone,information,navigation,musicandSirivoice interactionformoreinformation;supportswirelessandwiredconnectionstoCarPlay ·CarLife ThecarandmachinecaresystemdevelopedbyBaidu,supportstheconnectionofiPhoneand Androiddevices,voicecontroloftelephone,information,navigation,andmusic;built-in "Xiaodu"voicecontrolsystem,supportswirelessandwiredconnections ·AndroidAuto TheoriginalecologicalAndroidcar-machineinteractionsystemdevelopedbyGoogle,voice controlphone,information,navigation,musicbuilt-invoicecontrolsystem; ·Front/Rear/360 Theintelligentmodulecandecodevideo,andcanbeequippedwithfrontview,rearview (supportdisplayintelligentdynamictrajectoryandradar),rightviewand360panoramicview ·Mirroring SupportswiredandwirelessscreenprojectionforiphoneandAndroidphones ·AHDHDvideoprotocol AddedAHDHDrearview/360videooutputinterface ·USBvideo Automaticmediaplaybackfunction,candirectlyinsertUdisktoplayaudioandvideomedia ·DSPPoweramplifierchip AddDSPpoweramplifierchiptoimprovesoundquality 2.Boxparametersandwarranty Runningvoltage:9-16V,14.4V（rated）; Operatingtemperature：-30~+75°C; Powerconsumptioncurrent：1A（rated），3A（Max）; Quiescentcurrent：lessthan3mA; Storagetemperature：-30~+85°C； Shutdowncurrent：300mA（Clockison）； Chargingcurrent：≤1.5A.whentheUSBchargingcurrentis>3A,thehostcomputerofthe radioandreceivershouldstartthecircuitprotectionfunctiontocontrolthecurrentbelow1.5A toavoidburningtheproduct. 3.PackingList Thiscarsystemconsistsofthefollowing9units:1080Pvideodecoding,losslessmusic, Bluetoothhands-free,Mirroring,CarLife,AndroidAuto,rearview,AV-IN,Carplay,Hicar systemsettings.Inthemaininterfaceofthecarsystem,itmainlycontainseightcommonly usedmodules:video,music,Mirroring,Carplay,Hicar/CarLife/AndroidAuto,Bluetooth,video input,andsettings.Theinstructionsforeachfunctionwillbeintroducedinturnlater 4.WarrantyTerms Dearuser: Thankyouforusingourproducts.Inordertomakesurecustomersreceiveproductisgood,all ourproductshavebeenstrictlytestedinourfactorybeforedelivery.Andallourproductsenjoy 1yearwarranty. Butfollowingconditionsarenotconveredbywarranty: a.Warrantyperiodover;theapperancewithscratchesdirt,deformation. b.InformationonWarrantycarandpurchasebillinconsistentwithproduct,ormodified. c.Thereisnobarcodeorbarcodenotclearlyonhostunit. Damagecausedbyusing,disassemblingorrefittingproductnotfollowtheinstructionproperly. Notourcompanyauthorizedpersonneldisassemble.repairorrefittocausehumanmade damage. Theproductdamagedbyimpropertransportorimproperuse. Damageduetoirresistiblefactors(suchasfire,flood,trafficmattersTherefore,lightning, earthquakes,etc.). 5.Interfaceintroduction 6.Systemsettings Regardingsystemsettings,afterthevehicleisstarted,themaininterfaceofthe vehiclesystemwillbedisplayed.Inthemaininterface,thereisa[Settings]button. Youcandirectlyclickthesettingbuttontoenterthemainsettingpage.Asshownin thefollowingfigure:eachsettingpageofthesystem.Chart2.1-SystemSettings "GeneralSettings" Systemsettings"Originalcarsettings"-"Driving-reversingcamera"option SystemSettings"OriginalCarSettings"-"-Panel-Contrast"Brightness"adjustment page Inthisinterface-clicktoshow Enterbrightness,contrast,chroma,saturationadjustment 7.OpenCarplaytoviewtheoperatinginstructions Bluetoothsearchexample"rightpicture" 8.Aboutnetworkusage Thevehiclesystemusesthemobilephone'sownnetworktouse,andthetrafficcostrefersto theconnectednetwork.WhenthecarsystemisconnectedtothewirelessCarPlay,youonly needtomanuallyconnecttheBluetoothofthemobilephoneforthefirsttime,andkeepthe Bluetoothofthemobilephonealwayson.AftertheCarPlayconnectionissuccessful,the Bluetoothofthemobilephoneandthesystemwillbeautomaticallydisconnected;thenenter theWIFIauthenticationchannel,andatthesametimeThemobilephoneWIFIswitchshould alsobeturnedon,butdonotmanuallyconnecttotheWIFInetworkofthelocalsystem. CarPlaywillactivelyidentifythededicatedhotspotandtransmitthepop-upwindowtothe cardisplay.InstallthemobilephoneconnectionandtheIPhonewiredconnection,justplugin themobilephonedatacabletocompletetheconnection,nonetworkisrequired 9.Aboutdrivingsafety Driversshouldnotoperatethemachineduringdriving,soasnottoaffectsafedrivingand causetrafficaccidents.Safetyfirst,smartentertainmentsecond,pleasestrictlyabideby nationaltrafficregulations! 10.Postscript Sofar,youhavelearnedaboutthecomprehensiveandeasy-to-usein-vehiclesystemsoftware. Youcannowoperatethecarmachinetoexperiencetheconvenienceandspeedbroughtby thesmartlightscreensystemtoyourdrivinglife,andenjoytheinfinitejoybroughtbyhigh technology!Iwishyouasmoothandsafejourney!Duetothecontinuousupgradeofthe softwareversion,thescreenshotsinthismanualmaydifferfromtheversionyouactuallyuse withoutpriornotice FCCCaution. (1)§15.19Labellingrequirements. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterference received,includinginterferencethatmaycauseundesiredoperation. §15.21Changesormodificationwarning AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoid theuser'sauthoritytooperatetheequipment. §15.105Informationtotheuser. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradio frequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferenceto radioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuseris encouragedtotrytocorrecttheinterferencebyoneormoreof thefollowingmeasures: -Reorientorrelocat…

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ShenzhenLimcetTechnologyCo.,ltd. Modeldifferences We: ShenzhenLimcetTechnologyCo.,ltd.StatementthatAllthemodel“LimcetLink,Limcet-Box, Limcet-HUD,Limcet-Sound,Limcet-Audio,Limcet-Light”areidenticalexceptmodelname. AllabovemodelsareidenticalinthesamePCBlayout,interiorstructureandelectricalcircuits. Theonlydifferenceismodelnameforcommercialpurpose. CityandCountry:Date:Name: (thismustbeaperson) Function:Signature: (orofficialcompanystamp) Shenzhen2021.08.16HengZhangmanager

C5266091_X8_Ed.1 1/1 LetterofAuthorization <ShenzhenLimcetTechnologyCo.,ltd.> Company:ShenzhenLimcetTechnologyCo.,ltd. Address:Room615,BuildingB,YongqiBusinessBuilding,Yintian IndustrialZone,No.4016BaoanAvenue,BaoanDistrict,Shenzhen ProductName:LimcetBOX ModelNumber:LimcetLink,Limcet-Box,Limcet-HUD,Limcet-Sound, Limcet-Audio,Limcet-Light FCCIdentifier:2AZ23-LINK WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:HengZhangDate:2021.08.16 Title:Manager Signatureofapplicant:

C5266091_X10_Ed.1 1/1 ShenzhenLimcetTechnologyCo.,ltd. Room615,BuildingB,YongqiBusinessBuilding,YintianIndustrialZone,No.4016 BaoanAvenue,BaoanDistrict,Shenzhen Date:2021.08.16 Subject:RequestforConfidentiality FCCID:2AZ23-LINK ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo BlockDiagram Schematics TestReportNoNo TestSetupPhotosNo User’sManualNo InternalPhotosNo PartsList/TuneUp RFExposureInfo OperationalDescription CoverLetter(s)NoNo SDRSoftware/SecurityInfoNo Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Name:HengZhangDate:2021.08.16 Title:Manager Signatureofapplicant:

C5266091_X13_Ed.1 1/1 <ShenzhenLimcetTechnologyCo.,ltd.> FCCSoftwareConfigurationControlDeclaration Date:Aug.23,2021 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Attn:OETDept. Product/ModelNumber:LimcetBOX/LimcetLink,Limcet-Box,Limcet- HUD,Limcet-Sound,Limcet-Audio,Limcet-Light RegardingFCCCountryCodeSelectionguidelinesidentifiedinKDB594280. “Allapplicationsforequipmentauthorizationfortransmittersthatcanhave radioparameters,orothertechnicalparameters,reportedtotheCommission setbysoftwaremusthaveanattestationindicatingthatnothirdpartywillhave software,orconfigurationcontrol,toprogramthedeviceoutofcomplianceof thetechnicalrulesunderwhichithasbeencertified.” Wedeclarethatnothirdpartywillhavesoftware,orconfigurationcontrol,to programthedeviceoutofcomplianceofthetechnicalrulesunderwhichithas beencertified. Signatureofapplicant Name:hengzhang Title:manager

EUTPHOTO(ExternalPhotos)

FCCIDLABELINGANDLOCATION FCCIDLabel FCCIDLabelLocation Thelabelshownshallbepermanentlyaffixedataconspicuouslocationonthedeviceandbe readilyvisibletotheuseratthetimepurchase(Labelingrequirementsper2.925) LimcetBOX FCCID:2AZ23-LINK

EUTPHOTO(InternalPhotos) ※※※※※ENDOFREPORT※※※※※ IPEXAntenna(WIFI) PCBAntenna(BT)

FCCID:2AZ23-LINK RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation 5GWifimode Channel Frequen cy (MHz) Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11a 5180 7.452 5.560.00111.0PASS 5200 7.359 5.440.00111.0PASS 5240 7.124 5.160.00101.0PASS 802.11n20M 5180 6.426 4.390.00091.0PASS 5200 6.358 4.320.00091.0PASS 5240 6.152 4.120.00081.0PASS 802.11n40M 5190 5.521 3.570.00071.0PASS 5230 5.362 3.440.00071.0PASS 802.11ac80M 52104.3252.710.00051.0PASS 802.11a 57456.1234.100.00081.0PASS 57856.0824.060.00081.0PASS 58256.0023.980.00081.0PASS 802.11n20M 57455.4123.480.00071.0PASS 57855.2653.360.00071.0PASS 58255.0243.180.00061.0PASS 802.11n40M 57554.1252.590.00051.0PASS 57954.0362.530.00051.0PASS 802.11ac80M 57553.5622.270.00051.0PASS Remark:antennagain=0dBi TheproductcannottransmitBTandWiFimodesatthesametime.

ProjectNo.:ZKT-210624L2880E2 Page 1 of 68 FCCTESTREPORT FCCID:2AZ23-LINK ReportNumber. .................................... : ZKT-210624L2880E2 DateofTest ....................................................... :June.20,2021toAug.24,2021 Dateofissue.........................................:Aug.24,2021 Totalnumberofpages..........................68 TestResult .......................................... : PASS TestingLaboratory. .............................. : ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname................................:ShenzhenLimcetTechnologyCo.,ltd. Address ............................................... : Room615,BuildingB,YongqiBusinessBuilding,YintianIndustrial Zone,No.4016BaoanAvenue,BaoanDistrict,Shenzhen Manufacturer'sname.........................: ShenzhenLimcetTechnologyCo.,ltd. Address...............................................: Room615,BuildingB,YongqiBusinessBuilding,YintianIndustrial Zone,No.4016BaoanAvenue,BaoanDistrict,Shenzhen Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.407 ANSIC63.10:2013 KDB789033D02v01r02 Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-113_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ....................................... :LimcetBOX Trademark ........................................... : Model/Typereference.........................: LimcetLink,Limcet-Box,Limcet-HUD,Limcet-Sound,Limcet-Audio, Limcet-Light Ratings .................................................. :DC12V ProjectNo.:ZKT-210624L2880E2 Page 2 of 68 Testingprocedureandtestinglocation: TestingLaboratory..........................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China AlenHeTestedby(name+signature) ....................... : JoeLiuReviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-210624L2880E2 Page 3 of 68 TableofContentsPage 1.VERSION5 2.SUMMARYOFTESTRESULTS6 2.11TESTFACILITY7 2.2MEASUREMENTUNCERTAINTY7 3.GENERALINFORMATION8 3.1GENERALDESCRIPTIONOFEUT8 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED11 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)11 3.5EQUIPMENTSLISTFORALLTESTITEMS11 4.EMCEMISSIONTEST13 4.1CONDUCTEDEMISSIONMEASUREMENT13 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS13 4.1.2TESTPROCEDURE13 4.1.3DEVIATIONFROMTESTSTANDARD13 4.1.4TESTSETUP14 4.1.5EUTOPERATINGCONDITIONS14 4.1.62TESTRESULTS15 4.2RADIATEDEMISSIONMEASUREMENT17 4.2.1APPLICABLESTANDARD17 4.2.2CONFORMANCELIMIT17 4.2.3MEASURINGINSTRUMENTS17 4.2.4TESTCONFIGURATION18 4.2.5TESTPROCEDURE19 4.2.6TESTRESULT19 5.POWERSPECTRALDENSITYTEST26 5.1APPLIEDPROCEDURES/LIMIT26 5.2TESTPROCEDURE27 5.3DEVIATIONFROMSTANDARD27 5.4TESTSETUP27 5.5EUTOPERATIONCONDITIONS27 5.6TESTRESULTS28 6.26DB&6DB&99%EMISSIONBANDWIDTH34 6.1APPLIEDPROCEDURES/LIMIT34 6.2TESTPROCEDURE34 6.3EUTOPERATIONCONDITIONS35 6.4TESTRESULTS35 ProjectNo.:ZKT-210624L2880E2 Page 4 of 68 TableofContentsPage 7.MAXIMUMCONDUCTEDOUTPUTPOWER41 7.1PPLIEDPROCEDURES/LIMIT41 7.2TESTPROCEDURE41 7.3DEVIATIONFROMSTANDARD42 7.4TESTSETUP42 7.5EUTOPERATIONCONDITIONS42 7.6TESTRESULTS43 8.OUTOFBANDEMISSIONS44 8.1APPLICABLESTANDARD44 8.2TESTPROCEDURE44 8.3DEVIATIONFROMSTANDARD44 8.4TESTSETUP44 8.5EUTOPERATIONCONDITIONS45 8.6TESTRESULTS45 9.SPURIOUSRFCONDUCTEDEMISSIONS51 9.1CONFORMANCELIMIT51 9.2MEASURINGINSTRUMENTS51 9.3TESTSETUP51 9.4TESTPROCEDURE51 9.5TESTRESULTS51 10.FREQUENCYSTABILITYMEASUREMENT60 10.1LIMIT60 10.2TESTPROCEDURES60 10.3TESTSETUPLAYOUT60 10.4EUTOPERATIONDURINGTEST60 10.5TESTRESULTS60 11.ANTENNAREQUIREMENT67 12.TESTSETUPPHOTO68 13.EUTCONSTRUCTIONALDETAILS68 ProjectNo.:ZKT-210624L2880E2 Page 5 of 68 1.VERSION ReportNo.VersionDescriptionApproved ZKT-210624L2880E2Rev.01InitialissueofreportAug.24,2021 ProjectNo.:ZKT-210624L2880E2 Page 6 of 68 2.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15(15.407),SubpartE Standard Section TestItemJudgmentRemark 15.209(a), 15.407(b)(1) 15.407(b)(4) 15.407(b)(8) SpuriousRadiatedEmissionsPASS 15.207ConductedEmissionN/A 15.407(a)(12) 15.1049 26dBand99%EmissionBandwidthPASS 15.407(e)6dBbandwidthPASS 15.407(a)(1) 15.407(a)(3) MaximumConductedOutputPowerPASS 2.1051, 15.407(b)(1) 15.407(b)(4) BandEdgePASS 15.407(a)(1) 15.407(a)(3) PowerSpectralDensityPASS 2.1051, 15.407(b) SpuriousEmissionsatAntennaTerminalsPASS 15.203AntennaRequirementPASS NOTE: (1)”N/A”denotestestisnotapplicableinthisTestReport ProjectNo.:ZKT-210624L2880E2 Page 7 of 68 2.1TESTFACILITY ShenzhenZKTTechnologyCo.,Ltd. Add.:1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrialAvenue,FuhaiStreet,Bao'an District,Shenzhen,China FCCTestFirmRegistrationNumber:692225 DesignationNumber:CN1299 ICRegisteredNo.:27033 2.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedonastandard uncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidenceofapproximately95%. No.ItemUncertainty 1 3mcamberRadiatedspurious emission(30MHz-1GHz) U=4.3dB 2 3mchamberRadiatedspurious emission(1GHz-18GHz) U=4.5dB 3 3mchamberRadiatedspurious emission(18GHz-40GHz) U=3.34dB 4 ConductedAdjacentchannel power U=1.38dB 5 Condu…

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ProjectNo.:ZKT-210624L2880E2 Page 41 of 68 7.MAXIMUMCONDUCTEDOUTPUTPOWER 7.1PPLIEDPROCEDURES/LIMIT AccordingtoFCC§15.407 Themaximumconducedoutputpowershouldnotexceed: FrequencyBand(MHz)Limit 5150~5250250mW 5725~58501W 7.2TESTPROCEDURE TheEUTwasdirectlyconnectedtothePowermeter 1.DeviceConfiguration Ifpossible,configureormodifytheoperationoftheEUTsothatittransmitscontinuouslyatitsmaximum powercontrollevel(seesectionII.B.). a)Theintentistotestat100percentdutycycle;howeverasmallreductionindutycycle(tonolowerthan98 percent)ispermittedifrequiredbytheEUTforamplitudecontrolpurposes.Manufacturersareexpectedto providesoftwaretothetestlabtopermitsuchcontinuousoperation. b)Ifcontinuoustransmission(oratleast98percentdutycycle)cannotbeachievedduetohardware limitations(e.g.,overheating),theEUTshallbeoperatedatitsmaximumpowercontrollevelwiththetransmit durationaslongaspossibleandthedutycycleashighaspossible. 2.MeasurementusingaSpectrumAnalyzerorEMIReceiver(SA) Measurementofmaximumconductedoutputpowerusingaspectrumanalyzerrequiresintegratingthe spectrumacrossafrequencyspanthatencompasses,ataminimum,eithertheEBWorthe99-percent occupiedbandwidthofthesignal.1However,theEBWmustbeusedtodeterminebandwidthdependentlimits onmaximumconductedoutputpowerinaccordancewith§15.407(a). a)Thetestmethodshallbeselectedasfollows:(i)MethodSA-1orSA-1Alternative(averagingwiththeEUT transmittingatfullpowerthroughouteachsweep)shallbeappliedifeitherofthefollowingconditionscanbe satisfied: •TheEUTtransmitscontinuously(orwithadutycycle≥98percent). •Sweeptriggeringorgatingcanbeimplementedinawaythatthedevicetransmitsatthemaximumpower controllevelthroughoutthedurationofeachoftheinstrumentsweepstobeaveraged.Thisconditioncan generallybeachievedbytriggeringtheinstrument’ssweepifthedurationofthesweep(withtheanalyzer configuredasinMethodSA-1,below)isequaltoorshorterthanthedurationTofeachtransmissionfromthe EUTandifthosetransmissionsexhibitfullpowerthroughouttheirdurations. (ii)MethodSA-2orSA-2Alternative(averagingacrossonandofftimesoftheEUTtransmissions,followed bydutycyclecorrection)shallbeappliediftheconditionsof(i)cannotbeachievedandthetransmissions exhibitaconstantdutycycleduringthemeasurementduration.Dutycyclewillbeconsideredtobeconstantif variationsarelessthan±2percent. (iii)MethodSA-3(RMSdetectionwithmaxhold)orSA-3Alternative(reducedVBWwithmaxhold)shallbe appliediftheconditionsof(i)and(ii)cannotbeachieved. b)MethodSA-1(traceaveragingwiththeEUTtransmittingatfullpowerthroughouteachsweep):(i)Set spantoencompasstheentireemissionbandwidth(EBW)(or,alternatively,theentire99%occupied bandwidth)ofthesignal. (ii)SetRBW=1MHz. (iii)SetVBW≥3MHz. (iv)Numberofpointsinsweep≥2Span/RBW.(Thisensuresthatbin-to-binspacingis≤RBW/2,sothat narrowbandsignalsarenotlostbetweenfrequencybins.) (v)Sweeptime=auto. (vi)Detector=RMS(i.e.,poweraveraging),ifavailable.Otherwise,usesampledetectormode. (vii)Iftransmitdutycycle<98percent,useavideotriggerwiththetriggerlevelsettoenabletriggeringonly onfullpowerpulses.Transmittermustoperateatmaximumpowercontrollevelfortheentiredurationofevery sweep.IftheEUTtransmitscontinuously(i.e.,withnooffintervals)oratdutycycle≥98percent,andifeach transmissionisentirelyatthemaximumpowercontrollevel,thenthetriggershallbesetto“freerun”. (viii)Traceaverageatleast100tracesinpoweraveraging(i.e.,RMS)mode. ProjectNo.:ZKT-210624L2880E2 Page 42 of 68 (ix)ComputepowerbyintegratingthespectrumacrosstheEBW(or,alternatively,theentire99%occupied bandwidth)ofthesignalusingtheinstrument’sbandpowermeasurementfunctionwithbandlimitssetequal totheEBW(oroccupiedbandwidth)bandedges.Iftheinstrumentdoesnothaveabandpowerfunction,sum thespectrum 7.3DEVIATIONFROMSTANDARD Nodeviation. 7.4TESTSETUP 7.5EUTOPERATIONCONDITIONS TheEUTtestedsystemwasconfiguredasthestatementsof2.4Unlessotherwiseaspecialoperating conditionisspecifiedinthefollowsduringthetesting. ProjectNo.:ZKT-210624L2880E2 Page 43 of 68 7.6TESTRESULTS Temperature ： 26°C RelativeHumidity ： 54% Pressure： 1012hPa TestVoltage： DC12V TestMode ： TX TestChannel FrequencyMaximumoutputpowerLIMIT Result (MHz)(dBm)dBm TX802.11aMode CH3651807.45223.98Pass CH4052007.35923.98Pass CH4852407.12423.98Pass TX802.11n20MMode CH3651806.42623.98Pass CH4052006.35823.98Pass CH4852406.15223.98Pass TX802.11n40MMode CH3851905.52123.98Pass CH4652305.36223.98Pass TX802.11ac80MMode CH4252104.32523.98Pass TestChannel FrequencyMaximumoutputpower.LIMIT Result (MHz)(dBm)dBm TX802.11aMode CH14957456.12330Pass CH15757856.08230Pass CH16558256.00230Pass TX802.11n20MMode CH14957455.41230Pass CH15757855.26530Pass CH16558255.02430Pass TX802.11n40MMode CH15157554.12530Pass CH15957954.03630Pass TX802.11AC80MMode CH15557753.56230Pass ProjectNo.:ZKT-210624L2880E2 Page 44 of 68 8.OUTOFBANDEMISSIONS 8.1APPLICABLESTANDARD AccordingtoFCC§15.407(b) Undesirableemissionlimits.Exceptasshowninparagraph(b)(7)ofthissection,themaximum emissionsoutsideofthefrequencybandsofoperationshallbeattenuatedinaccordancewiththe followinglimits: (1)Fortransmittersoperatinginthe5.15-5.25GHzband:Allemissionsoutsideofthe5.15-5.35GHz bandshallnotexceedane.i.r.p.of−27dBm/MHz. (2)Fortransmittersoperatinginthe5.725-5.85GHzband:Allemissionswithinthefrequencyrange fromthebandedgeto10MHzaboveorbelowthebandedgeshallnotexceedane.i.r.p.of−17 dBm/MHz;forfrequencies10MHzorgreateraboveorbelowthebandedge,emissionsshallnot exceedane.i.r.p.of−27dBm/MHz. 8.2TESTPROCEDURE 1.Checkthecalibrationofthemeasuringinstrumentusingeitheraninternalcalibratororaknownsignal fromanexternalgenerator. 2.PositiontheEUTwithoutconnectiontomeasurementinstrument.TurnontheEUTandconnect itsantennaterminaltomeasurementinstrumentviaalowlosscable.Thensetittoanyonemeasured frequencywithinitsoperatingrange,andmakesuretheinstrumentisoperatedinitslinearrange. 3.SetRBWofspectrumanalyzerto1MHzwithaconvenientfrequencyspan. 4.Measurethehighestamplitudeappearingonspectraldisplayandsetitasareferencelevel.Plotthe graphwithmarkingthehighestpointandedgefrequency. 5.Repeataboveproceduresuntilallmeasuredfrequencieswerecomplete. 8.3DEV…

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FCCID:2AZ23-LINK