2AHFT544Smart Watch

5.13dBm

ShenzhenDOIntelligentTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-3-15 FCCID:2AHFT544 Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing ShenzhenDOIntelligentTechnologyCo.,Ltdcertifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing ShenzhenDOIntelligentTechnologyCo.,Ltdcertifiesthat,asofthedateofthefiling oftheapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. Applicant:ShenzhenDOIntelligentTechnologyCo.,Ltd Address:11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,LonghuaDistrict, Shenzhen,China ContactPerson:WuDajun Tel.:0755-82529675 Email:[email protected] Sincerely, Signature:

ShenzhenDOIntelligentTechnologyCo.,Ltd Address：11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,LonghuaDistrict, Shenzhen,China FRN:0025289893 Date:2024-03-20 FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2AHFT544 ShenzhenDOIntelligentTechnologyCo.,Ltdcertifiesthat,asofthedateofthefilingofthe application,ClevelandInternationalTradeAgency.isourdesignatedU.S.agentforserviceof processfortheabovereferencedFCCID.ShenzhenDOIntelligentTechnologyCo.,Ltd acceptstomaintainanagentfornolessthanoneyearafterthegranteehasterminatedall marketingandimportationortheconclusionofanyCommission-relatedproceedinginvolving theequipment. ClevelandInternationalTradeAgencyaccepts,asofthedateofthefilingoftheapplication, theobligationofthedesignatedU.S.agentforserviceofprocessfortheabovereferenced FCCID. DesignatedU.S.AgentInformation: Name:ClevelandInternationalTradeAgency Address:4033STClairAve,Cleveland,OH44103,USA FRN:0033401837 ContactPerson:BeckyDeng Tel.:216-600-0606 Email:[email protected] Sincerely, SignedonbehalfofShenzhenDOIntelligent TechnologyCo.,Ltd SignedonbehalfofClevelandInternational TradeAgency signature Name:WuDajun Title:Generalmanager Date:2024-3-1 signature Name: Becky Deng Title: Manager 2024-3-20 5

ShenzhenDOIntelligentTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:March20,2024 Subject;RequestforConfidentiality FCCID:2AHFT544 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:WuDajun Title:GeneralManager

Externalphotos

GTX09底壳镭雕 F C C I D : 2 A H F T 5 4 4 I C : 2 3 0 2 3 - 2 A H F T 5 4 4 GTX09 7X5mm 7X5mm 5.5X2.8mm 5X5mm 3X10.4mm

Internalphotos 2# ANT

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.:CQASZ20240200325E-03 Applicant: ShenzhenDOIntelligentTechnologyCo.,Ltd AddressofApplicant: 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,Longhua District,Shenzhen,China EquipmentUnderTest(EUT): EUTName:SmartWatch ModelNo.:GTX09 TestModelNo.:GTX09 BrandName:IDO FCCID:2AHFT544 Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2024-02-26 DateofTest: 2024-02-26to2024-03-06 DateofIssue:2024-03-20 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (AlexWang) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-03 Page:2of8 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20240200325E-03Rev.01 Initialreport 2024-03-20 Note: Thedifferencebetweenproduct#1andproduct#2isthatthemotormodelisdifferentincludinghaving differentmotorsupplier.Thekeydifferencesaretheappearanceandthemodelnumber.Thesechanges donotaffectRFperformance. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-03 Page:3of8 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE...................................................................................................................................4 3.4GENERALDESCRIPTIONOFBT......................................................................................................................................4 4RFEXPOSUREEVALUATION.......................................................................................................................................5 4.1SAREVALUATIONFORPORTABLECONDITION...........................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3SARExclusionEvaluationResult...................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-03 Page:4of8 3GeneralInformation 3.1ClientInformation Applicant: ShenzhenDOIntelligentTechnologyCo.,Ltd AddressofApplicant: 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,Longhua District,Shenzhen,China Manufacturer: ShenzhenDOIntelligentTechnologyCo.,Ltd AddressofManufacturer: 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,Longhua District,Shenzhen,China Factory: ShenzhenDOIntelligentTechnologyCo.,Ltd AddressofFactory: 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,Longhua District,Shenzhen,China 3.2GeneralDescriptionofEUT ProductName: SmartWatch ModelNo.: GTX09 TestModelNo.: GTX09 TradeMark: IDO SoftwareVersion: V1.05.24 HardwareVersion: V10 PowerSupply: Li-ionbatteryDC3.8V300mAh,ChargebyDC5Vforadapter SimultaneousTransmissionSimultaneousTXissupportedandevaluatedinthisreport. SimultaneousTXisnotsupported. 3.3GeneralDescriptionofBLE OperationFrequency:2402MHz~2480MHz ModulationType:GFSK TransferRate:1Mbps NumberofChannel:40 ProductType:MobilePortable AntennaType: Internalantenna AntennaGain: -3.7dBi 3.4GeneralDescriptionofBT OperationFrequency:2402MHz~2480MHz ModulationType:GFSK,π/4DQPSK,8DPSK TransferRate:1Mbps/2Mbps/3Mbps NumberofChannel:79 ProductType:MobilePortable AntennaType: Internalantenna AntennaGain: -3.7dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-03 Page:5of8 4RFExposureEvaluation 4.1 SAREvaluationforPortablecondition 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataasrepresentative ofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttestpositions(e.g.body, head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.Thistestreductionprocess providesfortheuseoftestdataforonespecificchannel,whilereferencingtothosedatafordemonstrating complianceinotherrequiredchannelsforeachtestpositionofanexposurecondition,withintheoperating modeofafrequencyband.Thisislimitedspecificallytowhenthereported1-gor10-gSARforthemid- bandorhighestoutputpowerchannelmeetsanyofthefollowingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbas…

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IDW20/21 Antenna report Welletronics Communication Technology Co., LTD. 1st, 2nd, and 3rd floors, No. 8 Tongfu Estate Industrial Zone, Xinshi Community, Dalang Street, Longhua District, Shenzhen 2023-7-28 Tel： Antenna type: Internal antenna BT SWR Antenna size 3 BT Efficien FreqEffiEffi Gain （dBi） (MHz)dB(%) 2402-8.8213.13-3.7 2410-9.1812.08-4.1 2420-9.0812.35-4.05 2430-9.0712.4-4.04 2440-8.8613-3.93 2450-8.8413.06-3.98 2460-8.9212.83-4.03 2470-8.8113.15-3.96 2480-8.7813.23-3.86 2490-8.7213.43-3.95 BT free space/arm radiation pattern ElementValue E1 E2 0R E3 E4 0R 5 matching Thank you！

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.:CQASZ20240200325E-01 Applicant: ShenzhenDOIntelligentTechnologyCo.,Ltd AddressofApplicant: 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,Longhua District,Shenzhen,China EquipmentUnderTest(EUT): Product: SmartWatch ModelNo.: GTX09 TestModelNo.:GTX09 BrandName: IDO FCCID: 2AHFT544 Standards:47CFRPart15,SubpartC DateofReceipt:2024-02-26 DateofTest: 2024-02-26to2024-03-06 DateofIssue:2024-03-20 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (AlexWang) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:2of96 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20240200325E-01Rev.01 Initialreport 2024-03-20 Note: Thedifferencebetweenproduct#1andproduct#2isthatthemotormodelisdifferentincludinghaving differentmotorsupplier.Thekeydifferencesaretheappearanceandthemodelnumber.Thesechanges donotaffectRFperformance. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:3of96 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement47CFRPart15.203/PASS ACPowerLineConducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.10-2013PASS ConductedPeakOutput Power 47CFRPart15.247ANSIC63.10-2013PASS 20dBOccupiedBandwidth47CFRPart15.247ANSIC63.10-2013PASS CarrierFrequencies Separation 47CFRPart15.247ANSIC63.10-2013PASS HoppingChannelNumber47CFRPart15.247ANSIC63.10-2013PASS DwellTime47CFRPart15.247ANSIC63.10-2013PASS PseudorandomFrequency HoppingSequence 47CFRPart15.247ANSIC63.10-2013PASS Band-edgeforRF ConductedEmissions 47CFRPart15.247ANSIC63.10-2013PASS RFConductedSpurious Emissions 47CFRPart15.247ANSIC63.10-2013PASS RadiatedSpurious emissions 47CFRPart15.209ANSIC63.10-2013PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15.205/15.209ANSIC63.10-2013PASS Remark: Thetestedsample(s)andthesampleinformationareprovidedbytheclient. Tx:InthiswholereportTx(ortx)meansTransmitter. Rx:InthiswholereportRx(orrx)meansReceiver. RF:InthiswholereportRFmeansRadiatedFrequency. CH:InthiswholereportCHmeanschannel. Volt:InthiswholereportVoltmeansVoltage. Temp:InthiswholereportTempmeansTemperature. Humid:InthiswholereportHumidmeanshumidity. Press:InthiswholereportPressmeansPressure. N/A:Inthiswholereportnotapplication ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:4of96 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.........................................................................................................................19 5.420DBOCCUPIEDBANDWIDTH....................…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:31of96 3DH5_Ant1_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:32of96 5.5 CarrierFrequenciesSeparation TestRequirement:47CFRPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 TestSetup: Remark:Offset=Cableloss+attenuationfactor. Limit:2/3ofthe20dBbandwidth Remark:thetransmissionpowerislessthan0.125W. ExploratoryTestMode:Hoppingtransmittingwithallkindofmodulationandallkindofdatatype FinalTestMode:Onlytheworstcaseisrecordedinthereport. TestResults:Pass ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:33of96 MeasurementData TestModeFreq(MHz)Result[MHz]Limit[MHz]Verdict DH5Hop0.997≥0.627PASS 2DH5Hop1≥0.807PASS 3DH5Hop1.003≥0.793PASS Mode 20dBbandwidth(MHz) (worsecase) Limit(MHz) (CarrierFrequenciesSeparation) GFSK0.940.627 π/4DQPSK1.210.807 8DPSK1.190.793 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:34of96 Testplotasfollows: DH5_Ant1_Hop 2DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:35of96 3DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:36of96 5.6 HoppingChannelNumber TestRequirement:47CFRPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 TestSetup: Remark:Offset=Cableloss+attenuationfactor. Limit:Atleast15channels ExploratoryTestMode:hoppingtransmittingwithallkindofmodulationandallkindofdatatype FinalTestMode:Onlytheworstcaseisrecordedinthereport. TestResults:Pass MeasurementData ModeHoppingchannelnumbersLimit GFSK79≥15 π/4DQPSK79≥15 8DPSK79≥15 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:37of96 Testplotasfollows: DH5_Ant1_Hop 2DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:38of96 3DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:39of96 5.7DwellTime TestRequirement:47CFRPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 TestSetup: Remark:Offset=Cableloss+attenuationfactor. TestMode:Hoppingtransmittingwithallkindofmodulationandallkindofdatatype. Limit:0.4Second TestResults:Pass ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:40of96 MeasurementData TestModeFreq(MHz) BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Hop0.3693300.122≤0.4PASS DH3Hop1.6091600.257≤0.4PASS DH5Hop2.8501100.314≤0.4PASS 2DH1Hop0.3763300.124≤0.4PASS 2DH3Hop1.6211700.276≤0.4PASS 2DH5Hop2.8621100.315≤0.4PASS 3DH1Hop0.3763300.124≤0.4PASS 3DH3Hop1.6191600.259≤0.4PASS 3DH5Hop2.8621200.343≤0.4PASS Remark: Thetestperiod:T=0.4Second/Channelx79Channel=31.6s ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:41of96 Testplotasfollows: DH1_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:42of96 DH3_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:43of96 DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:44of96 2DH1_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:45of96 2DH3_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:46of96 2DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:47of96 3DH1_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:48of96 3DH3_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:49of96 3DH5_Ant1_Hop ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:50of96 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:Onlytheworstcaseisrecordedinthereport. TestResults:Pass ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:51of96 MeasurementData TestModeChNameFreq(MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Low24022.01-52.76≤-17.99PASS High24802.40-54.32≤-17.6PASS LowHop_24021.25-54.75≤-18.75PASS HighHop_24802.19-54.14≤-17.81PASS 2DH5 Low24021.90-53.42≤-18.1PASS High24802.16-54.87≤-17.84PASS LowHop_24020.63-55.67≤-19.37PASS HighHop_24800.61-54.28≤-19.39PASS 3DH5 Low24021.97-51.66≤-18.03PASS High24802.34-54.09≤-17.66PASS LowHop_24020.03-55.67≤-19.97PASS HighHop_24801.68-54.6≤-18.32PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:52of96 Testplotasfollows: DH5_Ant1_Low_2402 DH5_Ant1_High_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:53of96 DH5_Ant1_Low_Hop_2402 DH5_Ant1_High_Hop_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:54of96 2DH5_Ant1_Low_2402 2DH5_Ant1_High_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:55of96 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:56of96 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:57of96 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:58of96 5.9SpuriousRFConductedEmissions TestRequirement:47CFRPart15CSection15.247(d) TestMethod:ANSIC63.10:2013 TestSetup: Remark:Offset=cableloss+attenuationfactor. Limit:Inany100kHzbandwidthoutsidethefrequencybandinwhichthespread spectrumintentionalradiatorisoperating,theradiofrequencypowertha…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:61of96 DH5_Ant1_2441_30~1000 DH5_Ant1_2441_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:62of96 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:63of96 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:64of96 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:65of96 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:66of96 2DH5_Ant1_2441_1000~26500 2DH5_Ant1_2480_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:67of96 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:68of96 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:69of96 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:70of96 3DH5_Ant1_2441_30~1000 3DH5_Ant1_2441_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:71of96 3DH5_Ant1_2480_0~Reference 3DH5_Ant1_2480_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:72of96 3DH5_Ant1_2480_1000~26500 Remark: Pretest9kHzto25GHz,findthehighestpointwhentesting,soonlytheworstdatawereshowninthetest report.PerFCCPart15.33(a)and15.31(o),Theamplitudeofspuriousemissionsfromintentionalradiators whichareattenuatedmorethan20dBbelowthepermissiblevalueneednotbereportedunlessspecifically requiredelsewhereinthispart. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:73of96 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.:CQASZ20240200325E-01 Page:74of96 Complianceforsection15.247(h) AccordingtoBluetoothCorespecification,theBluetoothsystemincorporateswithanadaptive systemtodetectotheruserwithinthespectrumbandsothatitindividuallyandindependentlyto avoidhoppingontheoccupiedchannels. AccordingtotheBluetoothCorespecification,theBluetoothsystemisdesignednothavetheability tocoordinatedwithotherFHSSSysteminanefforttoavoidthesimultaneousoccupancyofindividual hoppingfrequenciesbymultipletransmitter. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240200325E-01 Page:75of96 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-1GHzPeak120kHz300kHzPeak 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),Unlessotherwise…

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1Photographs-EUTTestSetup 1.1RadiatedEmission 9KHz~30MHz: 30MHz~1GHz: Above1GHz: 1.2ConductedEmission