2BRZO-MLF-A7TWS Bluetooth Headphones

DongguanMLFTech.Co.,Ltd Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Nov.21,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BRZO-MLF-A7 ProductName:TWSBluetoothHeadphones Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:WenLeChen Title:Manager Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'SREPUBLIC OFCHINA. Tel.:+86-0769-87989645 Email:[email protected] DongguanMLFTech.Co.,Ltd Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck SBOM(SoftwareBillofMaterials)[ForDeviceisnotInherentcompliance] SectionComponentNameVersionSupplier 1 2 3

DongguanMLFTech.Co.,Ltd Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Nov.21,25 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BRZO-MLF-A7 DongguanMLFTech.Co.,Ltd(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:WenLeChen Title:Manager Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. Tel.:+86-0769-87989645 Email:[email protected]

DongguanMLFTech.Co.,Ltd Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. Sep.17,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BRZO-MLF-A7 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  BlockDiagram Schematics  OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired. UserManual  InternalPhotos ExternalPhotos  TestSetupPhotos Sincerely, (Signature) PrintedName:WenLeChen Title:Manager Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. Tel.:+86-0769-87989645 Email:[email protected]

DongguanMLFTech.Co.,Ltd Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726DongguanCity,PEOPLE'S REPUBLICOFCHINA. Sep.15,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BRZO-MLF-A7 I,theundersigned,herebyauthorizeKeywayTestingTechnology(Guangdong)Co.,Ltd.toactonour behalfinallmattersrelatingtothisapplicationforequipmentcertification. AnyactcarriedoutbyKeywayTestingTechnology(Guangdong)Co.,Ltd.shallhavethesameeffectas ourownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsof certification,asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswithDongguan MLFTech.Co.,Ltd WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) PrintedName:WenLeChen Title:Manager Tel.:+86-0769-87989645Extension:/ Email:[email protected]

FCCID:2BRZO-MLF-A7

FCCID:2BRZO-MLF-A7 RFExposureEvaluation 1.1.ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbe operatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergy levelinexcessoftheCommission’sguidelines. Accordingto§1.1310and§2.1093RFexposureiscalculated. KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipment AuthorizationPolicies. 1.2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1 StandaloneSARtestexclusionconsiderations:“Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThreshold condition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedon source-basedtime-averagedmaximumconductedoutputpoweroftheRFchannel requiringevaluation,adjustedfortune-uptolerance,andtheminimumtestseparation distancerequiredfortheexposureconditions.22Theminimumtestseparationdistanceis determinedbythesmallestdistancefromtheantennaandradiatingstructuresorouter surfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatform requirements,toanypartofthebodyorextremityofauserorbystander(see5)ofsection 4.1).ToqualifyforSARtestexclusion,thetestseparationdistancesappliedmustbefully explainedandjustifiedbytheoperatingconfigurationsandexposureconditionsofthe transmitterandapplicablehostplatformrequirements,typicallyintheSARmeasurementor SARanalysisreport,accordingtotherequiredpublishedRFexposureKDBprocedures. WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualify fortheSARtestexclusion.Whenrequired,thedevicespecificconditionsdescribedinthe otherpublishedRFexposureKDBproceduresmustbesatisfiedbeforeapplyingtheseSAR testexclusionprovisions;forexample,handheldPTTtwo-wayradios,handsets,laptops& tabletsetc.23“[(max.powerofchannel,includingtune-uptolerance,mW)/(min.test separationdistance,mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR, where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2belowThetest exclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmand fortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto5)insection4.1isapplied todetermineSARtestexclusion. 1.3.Manufacturingtolerance 1.4.EvaluationResult Band/Mode f (GHz) Antenna Distance (mm) RFoutputpower (including tune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BT(EDR)2.44154.02.5120.78<3.0Yes Note:Result=P F /D P=Maximumturn-uppowerinmW F=ChannelfrequencyinGHz D=Mininmuntestseparationdistanceinmm 1.5.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093forthe uncontrolledRFExposureandSARExclusionThresholdperKDB447498v06,NoSARis required. EDR ChannelChannel00Channel39Channel78 GFSKTarget(dBm)3.02.00.0 Tolerance±(dB)1.01.01.0 π/4DQPSKTarget(dBm)3.03.01.0 Tolerance±(dB)1.01.01.0 8DPSKTarget(dBm)4.03.01.0 Tolerance±(dB)1.01.01.0

FCCID:2BRZO-MLF-A7ReportNo.2025090567397073-00 KeywayTestingTechnology(Guangdong)Co.,Ltd. Telephone:+86(769)87182258 Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of www.keywaytest.com TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Page1of37 FCCIDTESTREPORT FCCID:2BRZO-MLF-A7 Preparedfor:DongguanMLFTech.Co.,Ltd Address:No.8,QingpingRoad,QinghutouVillage,TangxiaTown, 523726DongguanCity,PEOPLE'SREPUBLICOFCHINA. TradeName: E.U.T:TWSBluetoothHeadphones ModelNumber:MLF-A7 Preparedby:KeywayTestingTechnology(Guangdong)Co.,Ltd. Address:Room2102,Building6,DongyiIntelligentEquipmentNew EnergyVehiclePark,No.30ofTangxiaDistrict,Dongshen Road,TangxiaTown,Dongguan,523710,People'sRepublic ofChina Tel:86-769-87182258 Fax:86-769-87181058 ReportNo.:2025090567397073-00 DateofTest::Aug.19~Sep.05,2025 DateofReport:Sep.05,2025 FCCID:2BRZO-MLF-A7ReportNo.2025090567397073-00 KeywayTestingTechnology(Guangdong)Co.,Ltd. Telephone:+86(769)87182258 Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of www.keywaytest.com TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Page2of37 Applicant:DongguanMLFTech.Co.,Ltd Address: No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726 DongguanCity,PEOPLE'SREPUBLICOFCHINA. Manufacturer:DongguanMLFTech.Co.,Ltd Address: No.8,QingpingRoad,QinghutouVillage,TangxiaTown,523726 DongguanCity,PEOPLE'SREPUBLICOFCHINA. E.U.T:TWSBluetoothHeadphones ModelNumber:MLF-A7 TradeName: DateofReceipt:Aug.19,2025 DateofTest:Aug.19~Sep.05,2025 TestSpecification: FCCCFR47Part15Section15.247 ANSIC63.10:2020 TestResult: Theequipmentundertestwasfoundtobecompliancewiththe requirementsofthestandardsapplied. IssueDate:Sep.05,2025 Testedby:Reviewedby:Authorizedby: HughZhang/EngineerBillyZeng/SupervisorCherryChen/Manager Abbreviations:OK/P=passedfail/F=failedN/A=notapplicableE.U.T=equipmentundertested ThisdevicedescribedabovehasbeentestedbyKeyway,andthetestresultsshowthattheequipmentundertest(EUT)isin compliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofKeyway,thisdocumentmaybealteredorrevised byKeyway,personalonly,andshallbenotedintherevisionofthedocument. FCCID:2BRZO-MLF-A7ReportNo.2025090567397073-00 KeywayTestingTechnology(Guangdong)Co.,Ltd. Telephone:+86(769)87182258 Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of www.keywaytest.com TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Page3of37 RevisionRecord VersionChapterDateModifierRemark 00 Sep.05,2025Original FCCID:2BRZO-MLF-A7ReportNo.2025090567397073-00 KeywayTestingTechnology(Guangdong)Co.,Ltd. Telephone:+86(769)87182258 Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of www.keywaytest.com TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Page4of37 TABLEOFCONTENTS Page 1TESTSUMMARY..........................................................................................................................................................6 2GENERALPRODUCTINFORMATION...................................................................................................................7 2.1DESCRIPTIONOFDEVICE(EUT)..........................................................................................................................7 2.2CHANNELLIST.....................................................................................................................................................8 2.3TESTSETUPCONFIGURATION..............................................................................................................................9 2.4TESTMODE..........................................................................................................................................................9 3TESTSITES..................................................................................................................................................................10 3.1TESTFACILITIES.................................................................................................................................................10 3.2MEASUREMENTUNCERTAINTY..........................................................................................................................10 3.3LISTOFTESTANDMEASUREMENTINSTRUMENTS............................................................................................11 3.4DESCRIPTIONOFSUPPORTUNITS.......................................................................................................................13 4CONDUCTEDEMISSION..........................................................................................................................................14 4.1E.U.T.OPERATION.............................................................................................................................................14 4.2EUTSETUP........................................................................................................................................................14 4.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)....................................................................................15 4.4MEASUREMENTPROCEDURE:.............................................................................................................................15 4.5CONDUCTEDEMISSIONLIMIT............................................................................................................................15 4.6MEASUREMENTDESCRIPTION............................................................................................................................15 4.7CONDUCTEDEMISSIONTESTRESULT................................................................................................................15 5RADIATEDSPURIOUSEMISSIONS..................................................…

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2.4GHz1608ChipAntenna:RANT1608F245C04 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT1608F245C04 (A)(B)(C)(D)(E)(F) ElectricalSpecification DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 1.6x0.8mm( ± 0.1mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=04 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 1.60±0.10 W 0.80 ± 0.10 T 0.80 ± 0.10 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ELECTRICALCHARACTERISTICSS11 Radiation ElectricalCharacteristics Freque ncy EfficPercenGain 2400-1.6472.27%2.38 2450-1.3375.34%2.7 2500-1.5972.98%2.59 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. Tester: jiang shui ling 2.4GHz1608ChipAntenna:RANT1608F245C04 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 16087”4K/Reel 4.0±0.5 4.0±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType1608 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 1 6 0 8 Chip Antenna: RANT1608F245C04 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen.

KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com E.U.T: TWSBluetoothHeadphones ModelNumber: MLF-A7 TradeName: DateofReceipt:Aug.19,2025 DateofTest:Aug19~Sep05,2025 FCCID:FCCID:2BRZO-MLF-A7 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.1DUTYCYCLE TestResult ModulationPacketsChannel OnTime (ms) Period (ms) DutyCycle (%) DutyCycle (linear) DutyCycle Factor(dB) 1/T GFSKDH1 00.3821.24930.550.30555.14992.6178 390.3821.25030.580.30585.14562.6178 780.3821.24930.550.30555.14992.6178 π/4DQPSK2-DH1 00.3921.25031.350.31355.03762.5510 390.3921.25031.350.31355.03762.5510 780.3911.24931.320.31325.04182.5575 8DPSK3-DH1 00.3921.25031.350.31355.03762.5510 390.3911.24931.320.31325.04182.5575 780.3921.24931.360.31365.03622.5510 TestGraphs GFSK(DH1)_Channel0GFSK(DH1)_Channel39 GFSK(DH1)_Channel78π/4DQPSK(2-DH1)_Channel0 π/4DQPSK(2-DH1)_Channel39π/4DQPSK(2-DH1)_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com 8DPSK(3-DH1)_Channel08DPSK(3-DH1)_Channel39 8DPSK(3-DH1)_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.2DWELLTIME TestResult ModulationPacketChannel PulseWidth (ms) Numberof Pulsesin 31.6 seconds DwellTime (ms) Limit(ms)Result GFSK DH5 Hopping 2.89697280.91 <400 PASS DH52.880115331.2PASS DH52.880123354.24PASS π/4DQPSK 2-DH52.896102295.39PASS 2-DH52.896102295.39PASS 2-DH52.880118339.84PASS 8DPSK 3-DH52.880104299.52PASS 3-DH52.19295208.24PASS 3-DH52.896116335.94PASS TestGraphs PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.3NUMBEROFHOPPINGCHANNEL TestResult ModulationPacket NumberofHopping Channel LimitResult GFSKDH17915PASS π/4DQPSK2-DH17915PASS 8DPSK3-DH17915PASS TestGraphs LowEndSpectrumChannelHoppingPlot GFSK HighEndSpectrumChannelHoppingPlot GFSK LowEndSpectrumChannelHoppingPlot π/4DQPSK HighEndSpectrumChannelHoppingPlot π/4DQPSK LowEndSpectrumChannelHoppingPlot 8DPSK HighEndSpectrumChannelHoppingPlot 8DPSK KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.4CONDUCTEDPEAKOUTPUTPOWER TestResult ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Max.Avg. Power (dBm) Limit (dBm) Result GFSKDH1 01.801.51None ≤30 PASS 391.181.31NonePASS 78-0.610.87NonePASS π/4DQPSK2-DH1 02.201.66None ≤20.97 PASS 391.691.48NonePASS 78-0.030.99NonePASS 8DPSK3-DH1 02.561.80NonePASS 392.131.63NonePASS 780.491.12NonePASS TestGraphs PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPower GFSK_Channel78 PeakOutputPower π/4DQPSK_Channel0 PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 PeakOutputPower 8DPSK_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.599%BANDWIDTH TestResult ModulationChannelCenterFrequency(MHz)99%BW(MHz) GFSK 024020.84147 3924410.86446 7824800.84917 π/4DQPSK 024021.1633 3924411.1663 7824801.1670 8DPSK 024021.1553 3924411.1519 7824801.1554 TestGraphs GFSK_DH1_Channel0π/4DQPSK_2-DH1_Channel0 GFSK_DH1_Channel39π/4DQPSK_2-DH1_Channel39 GFSK_DH1_Channel78π/4DQPSK_2-DH1_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com 8DPSK_3-DH1_Channel08DPSK_3-DH1_Channel39 8DPSK_3-DH1_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com…

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