2AVLI-EP030AWireless Earphone

FCCRequirement Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser ’ sauthoritytooperatetheequipment. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions: (1)thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause undesiredoperation. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcan radiateradiofrequencyenergy,andifnotinstalledandusedinaccordancewiththeinstructions, maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful interferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoff andon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowing measures: –Reorientorrelocatethereceivingantenna. –Increasetheseparationbetweentheequipmentandreceiver. –Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. –Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

FCCID:2AVLI-EP030A Externalphotos FCCID:2AVLI-EP030A

Size:20mm*18mm ModelName:EP030 FCCID:2AVLI-EP030A FCCID:2AVLI-EP030B Label

FCCID:2AVLI-EP030A Internalphotos FCCID:2AVLI-EP030A FCCID:2AVLI-EP030A

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20220200203E-02 Applicant: HONGKONGVIMAITECHNOLOGYCO.,LIMITED AddressofApplicant: FLAT/RMH29,1/FPHASE2KWAISHINGINDBLDGNO.42-46,TAILINPAI ROADKWAICHUNG,HONGKONG EquipmentUnderTest(EUT): EUTName: Livestreamingmonitoringwirelessearphone TestModelNo.: EP030 ModelNo.: EP030 BrandName:N/A FCCID:2AVLI-EP030A Standards: 47CFRPart1.1307 47CFRPart2.1093 447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2022-02-17 DateofTest: 2022-02-17to2022-03-28 DateofIssue:2022-03-30 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (RockHuang) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20220200203E-02Rev.01 Initialreport 2022-03-30 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-02 Page:3of7 2Contents Page 1VERSION.............................................................................................................................................................................2 2CONTENTS.........................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION....................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT....................................................................................................................................4 3.3GENERALDESCRIPTIONOFBT&BLE............................................................................................................................4 4SAREVALUATION...........................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3EUTRFExposure..............................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant: HONGKONGVIMAITECHNOLOGYCO.,LIMITED AddressofApplicant: FLAT/RMH29,1/FPHASE2KWAISHINGINDBLDGNO.42-46,TAILIN PAIROADKWAICHUNG,HONGKONG Manufacturer: SHENZHENVIMAITECHNOLOGYCO.,LTD AddressofManufacturer: Floor3,buildingB,no.5huatingroad,tongshengcommunity,dalang street,longhuadistrict,shenzhen Factory: SHENZHENVIMAITECHNOLOGYCO.,LTD AddressofFactory: Floor3,buildingB,no.5huatingroad,tongshengcommunity,dalang street,longhuadistrict,shenzhen 3.2GeneralDescriptionofEUT ProductName: Livestreamingmonitoringwirelessearphone ModelNo.: EP030 TestModelNo EP030 TradeMark: N/A EUTSupportsRadiosapplication: Bluetoothmode 2402-2480MHz SoftwareVersion: 20220101EP030Ver6.2 HardwareVersion: EP030_LX_L/R_V1.5 SampleType: MobilePortableFixLocation EUTPowerSupply: Li-ionbattery:DC3.7V70mAh,ChargebyDC3.7VforChargeBox 3.3GeneralDescriptionofBT&BLE OperationFrequency: 2402MHz~2480MHz BluetoothVersion: V5.0 ModulationTechnique: FrequencyHoppingSpreadSpectrum(FHSS) ModulationType: GFSK,π/4DQPSK,8DPSK NumberofChannel: 79 TransferRate:1Mbps/2Mbps/3Mbps TestSoftwareofEUT: BT_ToolV1.1.0 AntennaType:FPCantenna AntennaGain:-1.5dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-02 Page:5of7 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataas representativeofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttest positions(e.g.body,head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.This testreductionprocessprovidesfortheuseoftestdataforonespecificchannel,whilereferencingto thosedatafordemonstratingcomplianceinotherrequiredchannelsforeachtestpositionofan exposurecondition,withintheoperatingmodeofafrequencyband.Thisislimitedspecificallytowhen thereported1-gor10-gSARforthemid-bandorhighestoutputpowerchannelmeetsanyofthe followingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtimeaveraged powerormaximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasoflengthgreaterthanλ/4wherethegainisnotwelldefined,but alwayslessthanthatofahalf-wavedipole(lengthλ/2),theavailablemaximumtime-averaged powergeneratedbythedevi…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20220200203E-01 Applicant: HONGKONGVIMAITECHNOLOGYCO.,LIMITED AddressofApplicant: FLAT/RMH29,1/FPHASE2KWAISHINGINDBLDGNO.42-46,TAILINPAI ROADKWAICHUNG,HONGKONG EquipmentUnderTest(EUT): Product: Livestreamingmonitoringwirelessearphone ModelNo.: EP030 TestModelNo.: EP030 BrandName: N/A FCCID: 2AVLI-EP030A Standards:47CFRPart15,SubpartC DateofReceipt:2022-02-17 DateofTest: 2022-02-17to2022-03-28 DateofIssue:2022-03-30 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (RockHuang) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:2of87 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20220200203E-01Rev.01 Initialreport 2022-03-30 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:3of87 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.10(2013)PASS ACPowerLineConducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.10(2013)PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(1) ANSIC63.10(2013)PASS 20dBOccupiedBandwidth 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS CarrierFrequencies Separation 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS HoppingChannelNumber 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS DwellTime 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS PseudorandomFrequency HoppingSequence 47CFRPart15,SubpartCSection 15.247(b)(4)&TCBExclusionList (7July2002) ANSIC63.10(2013)PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.10(2013)PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.10(2013)PASS RadiatedSpurious emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.10(2013)PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.10(2013)PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:4of87 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT....................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS................................................................................................................................8 4.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.7TESTLOCATION.........................................................................................................................................................10 4.8TESTFACILITY...........................................................................................................................................................10 4.9ABNORMALITIESFROMSTANDARDCONDITIONS......................................................................................................10 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.11EQUIPMENTLIST......................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA......................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER..........................................................................................................................17 5.420DBOCCUPYBANDWIDTH......................................................................................................................................24 5.5CARRIERFREQUENCIESSEPARATION........................................................................................................................30 5.6HOPPINGCHANNELNU…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:41of87 DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:42of87 2DH1_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:43of87 2DH3_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:44of87 2DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:45of87 3DH1_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:46of87 3DH3_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:47of87 3DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:48of87 5.8 Band-edgeforRFConductedEmissions TestRequirement:47CFRPart15CSection15.247(d) TestMethod:ANSIC63.10:2013 TestSetup: Remark:Offset=cableloss+attenuationfactor. Limit:Inany100kHzbandwidthoutsidethefrequencybandinwhichthespread spectrumintentionalradiatorisoperating,theradiofrequencypowerthatis producedbytheintentionalradiatorshallbeatleast20dBbelowthatinthe 100kHzbandwidthwithinthebandthatcontainsthehighestlevelofthe desiredpower,basedoneitheranRFconductedoraradiatedmeasurement. ExploratoryTestMode:HoppingandNon-hoppingtransmittingwithallkindofmodulationandallkind ofdatatype FinalTestMode:ThroughPre-scan,findtheDH5ofdatatypeistheworstcaseofGFSK modulationtype,2-DH5ofdatatypeistheworstcaseofπ/4DQPSK modulationtype,3-DH5ofdatatypeistheworstcaseof8DPSKmodulation type. Onlytheworstcaseisrecordedinthereport. TestResults:Pass ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:49of87 MeasurementData TestModeAntennaChNameChannel RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24024.97-48.06≤-15.03PASS High24804.32-47.38≤-15.68PASS LowHop_24024.42-48.69≤-15.58PASS HighHop_24803.87-46.99≤-16.13PASS 2DH5Ant1 Low24025.06-48.47≤-14.94PASS High24804.30-47.55≤-15.7PASS LowHop_24023.34-48.45≤-16.66PASS HighHop_24803.24-47.31≤-16.76PASS 3DH5Ant1 Low24025.01-44.73≤-14.99PASS High24804.53-47.48≤-15.47PASS LowHop_24023.39-48.11≤-16.61PASS HighHop_24804.29-46.87≤-15.71PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:50of87 Testplotasfollows: DH5_Ant1_Low_2402 DH5_Ant1_High_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:51of87 DH5_Ant1_Low_Hop_2402 DH5_Ant1_High_Hop_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:52of87 2DH5_Ant1_Low_2402 2DH5_Ant1_High_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:53of87 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:54of87 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:55of87 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:56of87 5.9SpuriousRFConductedEmissions TestRequirement:47CFRPart15CSection15.247(d) TestMethod:ANSIC63.10:2013 TestSetup: Remark:Offset=cableloss+attenuationfactor. Limit:Inany100kHzbandwidthoutsidethefrequencybandinwhichthespread spectrumintentionalradiatorisoperating,theradiofrequencypowerthatis producedbytheintentionalradiatorshallbeatleast20dBbelowthatinthe 100kHzbandwidthwithinthebandthatcontainsthehighestlevelofthe desiredpower,basedoneitheranRFconductedoraradiated measurement. ExploratoryTestMode:Non-hoppingtransmittingwithallkindofmodulationandallkindofdatatype FinalTestMode:ThroughPre-scan,findtheDH5ofdatatypeistheworstcaseofGFSK modulationtype,2-DH5ofdatatypeistheworstcaseofπ/4DQPSK modulationtype,3-DH5ofdatatypeistheworstcaseof8DPSKmodulation type. TestResults:Pass ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:57of87 DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:58of87 DH5_Ant1_2402_1000~26500 DH5_Ant1_2441_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:59of87 DH5_Ant1_2441_30~1000 DH5_Ant1_2441_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:60of87 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:61of87 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:62of87 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:63of87 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:64of87 2DH5_Ant1_2441_1000~26500 2DH5_Ant1_2480_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:65of87 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:66of87 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:67of87 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:68of87 3DH5_Ant1_2441_30~1000 3DH5_Ant1_2441_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:69of87 3DH5_Ant1_2480_0~Reference 3DH5_Ant1_2480_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:70of87 3DH5_Ant1_2480_1000~26500 Remark: Pretest9kHzto25GHz,findthehighestpointwhentesting,soonlytheworstdatawereshowninthetest report.PerFCCPart15.33(a)and15.31(o),Theamplitudeofspuriousemissionsfromintentionalradiators whichareattenuatedmorethan20dBbelowthepermissiblevalueneednotbereportedunlessspecifically requiredelsewhereinthispart. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:71of87 5.10 OtherrequirementsFrequencyHoppingSpreadSpectrumSystem TestRequirement:47CFRPart15CSection15.247(a)(1),(h)requirement: Thesystemshallhoptochannelfrequenciesthatareselectedatthesystemhopping ratefromaPseudorandomorderedlistofhoppingfrequencies.Eachfrequencymustbeusedequally ontheaveragebyeachtransmitter.Thesystemreceiversshallhaveinputbandwidthsthatmatchthe hoppingchannelbandwidthsoftheircorrespondingtransmittersandshallshiftfrequenciesin synchronizationwiththetransmittedsignals. Frequencyhoppingspreadspectrumsystemsarenotrequiredtoemployallavailablehopping channelsduringeachtransmission.However,thesystem,consistingofboththetransmitterandthe receiver,mustbedesignedtocomplywithalloftheregulationsinthissectionshouldthe transmitterbepresentedwithacontinuousdata(orinformation)stream.Inaddition,asystem employingshorttransmissionburstsmustcomplywiththedefinitionofafrequencyhoppingsystem andmustdistributeitstransmissionsovertheminimumnumberofhoppingchannelsspecifiedin thissection. Theincorporationofintelligencewithinafrequencyhoppingspreadspectrumsystemthatpermits thesystemtorecognizeotheruserswithinthespectrumbandsothatitindividuallyand independentlychoosesandadaptsitshopsetstoavoidhoppingonoccupiedchannelsispermitted. Thecoordinationoffrequencyhoppingsystemsinanyothermannerfortheexpresspurposeof avoidingthesimultaneousoccupancyofindividualhoppingfrequenciesbymultipletransmittersis notpermitted. Complianceforsection15.247(a)(1) AccordingtoBluetoothCoreSpecification,thepseudorandomsequencemaybegeneratedinanine- stageshiftregisterwhose5thand9thstage outputsareaddedinamodulo-twoadditionstage.Andtheresultisfedbacktotheinputofthefirst stage.ThesequencebeginswiththefirstONEof9consecutiveONEs;i.e.theshiftregisterisinitialized withnineones. •Numberofshiftregisterstages:9 •Lengthofpseudo-randomsequence:2 9 -1=511bits •Longestsequenceofzeros:8(non-invertedsignal) AnexampleofPseudorandomFrequencyHoppingSequenceasfollow: Eachfrequencyusedequallyontheaveragebyeachtransmitter. AccordingtoBluetoothCoreSpecification,BluetoothreceiversaredesignedtohaveinputandIF bandwidthsthatmatchthehoppingchannelbandwidthsofanyBluetoothtransmittersandshift frequenciesinsynchronizationwiththetransmittedsignals. Complianceforsection15.247(g) AccordingtoBluetoothCoreSpecification,theBluetoothsystemtransmitsthepacketwiththe pseudorandomhoppingfrequencywithacontinuousdataandtheshortbursttransmissionfromthe Bluetoothsystemisalsotransmittedunderthefrequencyhoppingsystemwiththepseudorandom hoppingfrequencysystem. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:72of87 Complianceforsection15.247(h) AccordingtoBluetoothCorespecification,theBluetoothsystemincorporateswithanadaptive systemtodetectotheruserwithinthespectrumbandsothatitindividuallyandindependentlyto avoidhoppingontheoccupiedchannels. AccordingtotheBluetoothCorespecification,theBluetoothsystemisdesignednothavetheability tocoordinatedwithotherFHSSSysteminanefforttoavoidthesimultaneousoccupancyofindividual hoppingfrequenciesbymultipletransmitter. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220200203E-01 Page:73of87 5.11 RadiatedSpuriousEmission&Restrictedbands TestRequirement:47CFRPart15CSection15.209and15.205 TestMethod:ANSIC63.10:2013 TestSite:MeasurementDistance:3m(Semi-AnechoicChamber) ReceiverSetup: FrequencyDetectorRBWVBWRemark 0.009MHz-0.090MHzPeak10kHz30kHzPeak 0.009MHz-0.090MHzAverage10kHz30kHzAverage 0.090MHz-0.110MHzQuasi-peak10kHz30kHzQuasi-peak 0.110MHz-0.490MHzPeak10kHz30kHzPeak 0.110MHz-0.490MHzAverage10kHz30kHzAverage 0.490MHz-30MHzQuasi-peak10kHz30kHzQuasi-peak 30MHz-1GHzPeak100kHz300kHzPeak Above1GHz Peak1MHz3MHzPeak Peak1MHz10HzAverage Limit: Frequency Fieldstrength (microvolt/meter) Limit (dBuV/m) Remark Measurement distance(m) 0.009MHz-0.490MHz2400/F(kHz)--300 0.490MHz-1.705MHz24000/F(kHz)--30 1.705MHz-30MHz30--30 30MHz-88MHz10040.0Quasi-peak3 88MHz-216MHz15043.5Quasi-peak3 216MHz-960MHz20046.0Quasi-peak3 960MHz-1GHz50054.0Quasi-peak3 Above1GHz50054.0Average3 Note:15.35(b),Unlessotherwisespecified,thelimitonpeakradiofrequency emissionsis20dBabovethemaximumpermittedaverageemissionlimit applicabletotheequipmentundertest.Thispeaklimitappliestothetotal peakemissionlevelradiatedbythedevice. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ2022…

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FCCID:2AVLI-EP030A Setupphotos 1Photographs-EUTTestSetup 1.1RadiatedEmission 9KHz~30MHz: 30MHz~1GHz: FCCID:2AVLI-EP030A Above1GHz: 1.2ConductedEmission