2BFJ5-EASEDRIFSmart tag Bluetooth Headset

UserManual Productiondescription: ThewirelessheadphoneisahighqualitystereoANCwirelessheadphone whichpossesseswirelessmusicandcallingfunction. Appearancevogue,beautifullydesigned,easytocarry,suitablefor household,outdoortravelandotherplaces,enjoymusicanytimeand anywhere.Providesuperperfectsoundqualityforyourcomputer,digital musicplayers,andmobilephonesandsoonaudio-visualproducts. Functionfeatures: 【 ANC 】 Supportactivenoisereductionwithdoublefeedback,reject externalnoiseinterference,andenjoypurermusic. 【 WirelessPlay 】 Supportpairingwirelessdevicestoplaymusicsuchas mobilephone,tablet,TV. 【 Hands-freecalls 】 Supportforhands-freecallsfunction,built-inhigh sensitivemicrophones,makingphonecallshavecarefreetoenjoy. 【 VoicePromptComingCalls 】 Itwillpromptthephonenumberwhen youhaveacomingcall,itismoreconvenient. 【 BatteryDisplay 】 Mobilephonereal-timedisplaytheearphonebattery, letyouknowtheearphonebattery. 【 FunctionofMultiPairing 】 Supporttoconnecttwomobilephones, moreconvenienttouse. 【 Gamemode 】 Supportslowlatencymode,makinggamingmore immersive. 【 SIRI 】 Supportintelligentvoiceassistantoperationforgreater convenience. 【 SmartPower-off 】 Ifnotconnectedwirelessmode ， itwillturnoff automaticallyafter5minutes,don’tworryaboutwasteofelectricityfor standby. 【 AudioInput 】 Stereoaudioinputports,easytoconnectthecomputer, digitalmusicplayer,mobilephoneandotheraudio-visualproductssoon allkindsofaudiosource. 【 RechargeableLithiumElectricity 】 Thebuilt-inrechargeablelithium battery,environmentalprotection,economicalandpractical. 【 IntelligentCharging 】 Thevoicepromptpleasechargewhenthebattery islow,whenfullchargeitwillautomaticallycutoffpowertoavoid batterychargingtoomuchtodamagetothebattery. Functiondefinitionofproductbuttonsandslot: ①② /+ ③④ ANC ⑤ Type-CChargingPorts ⑥ AudioInputPorts ⑦ StatusIndicatorLamp ⑧ Built-inMic ①： Longpresson,theblueredlightflashes,thenenterthewireless pairingstate.Againlongpresstopoweroff,indicatorlightwillbeoff. Aftertheheadsetconnectedtothemobilephone,shortpresstoplay music,thenshortpresstopauseplayback.Afterthesuccessconnectionof thewirelessandphone,whenshortpressforansweringthephonecall, longpresscanrefusetoanswerthephone.Afterthecallshortpressfor hangup,continuepresstwotimeswillredialthelasttimephone number.ClickthreetimestoopentheSIRIfunctionofthemobilephone. Clickfourtimestoswitchthegamemode,musicmode(Thedefaultis musicmode.Recommendtoswitchtothegamemodeonlywhenplaying thegametoexperiencethelowdelayeffectduringgaming.). ② /+ ： Shortpressforincreasevolume,longpressfornexttrack. ③： Shortpressfordecreasevolume,longpressforprevioustrack. Pressandholdthe"/+"and""keysfor2secondssimultaneously toturnon/offthetransparencymode. ④ ANC ： TurnontheANCfunction,thegreenindicatorlamplightedand prompts"ANCon",turnofftheANCfunction,thegreenindicatorlamp goesoffandprompts"ANCoff",whenheadphoneon. ⑤【 Type-CChargingPorts 】： Powerinputjack,canusethespecial chargingcablefromthestandardpackageortheuniversalType-Cport chargingcableofthemobilephoneforcharging. ⑥【 AudioInput 】： Usetheaudiocablecontacttothedigitalmusicplayer, mobilephoneandotheraudio-visualproductssoonallkindsofaudio source. Wirelesspairingoperationmethodofthefirsttime: Pressandholdthepowerbuttonfor3secondsuntiltheLEDredandblue lightsflashalternately.Atthistimesearchthecorrespondingwireless devicenameonthephone,clickthedevicenameonthemobilephonefor thewirelesspairing ， hear"Deviceconnected"meansthepairingis successful.Theindicatorlightisblue.Itwillreconnectautomaticallyin thenexttimeuse. Operationmethodofmultipairing: SearchtheearphonepairingnameonthemobilephoneAandmobile phoneBatthesametime,clickthepairingnameonthemobilephones separately,andwhenhear"deviceconnected"meansthepairingis successful.IfyouwanttolistentomusiconthemobilephoneBwhen youarelistentomusiconmobilephoneA,youshouldpausethemusic onthemobilephoneAbyhandandclickthemusiconthemobilephone BtolistentomusicandcontrolthemobilephoneB. Methodofturntoordinaryheadphone: Insertthe3.5mmaudiolinejackintotheaudioinputports,thewireless headphonewillautomaticallypoweroff,canusethewirelessheadphone asordinaryheadphonenow. Methodofcharging: InserttheendofthechargingcabletonativeType-Csocket,theotherend oftheUSBplugintothemobilephonecharger,theindicatorlightturns redwhencharging,theredlightwillextinguishwhenfullof. Lowbattery: Whentherewasalowvoltagepower,themachinewillprompt"Battery low”,pleaserechargeintimeatthistime.Ifitisnottobeusedforalong time,chargingonetimeeverymonthatleast,itcanprotectthebattery andextendbatterylife. Autopoweroff： Ifnotconnectedwirelessmode ， itwillturnoffautomaticallyafter5 minutes,don’tworryaboutwasteofelectricityforstandby. Reset: Whentheheadphonesuddenlycrashed,pleaselongpressthepower buttonfor15s,theheadphonewillbootsagainandbacktonormalstate. FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Re…

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Local Representative Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BFJ5-EASEDRIFT Ease Drift, Ease Go, Ease Play, Ease Tune, Ease Pro, Ease Vibe, Ease Mode, Ease Mood, Ease X, TalkPro 10, TalkAir 10, HT320, Ease Go**, Ease Play**, Ease Tune**, Ease Pro**, Ease Vibe**, Ease Mode**, Ease Mood**, Ease X**, Duoz ENC**, Duoz ANC**, Duoz Pro**, Duoz Go**, Duoz Play**( "*" can be 0-9, A-Z, or a blank ) We hereby acknowledge as follows: i. both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii. the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement for no less than one year after the grantee has terminated all junjianeting and importation or the conclusion of any Commission-related proceeding involving the equipment. iv. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. US-American Point of Contact Applicant/Approval Holder Signature Date: 2025-8-6 Signature Date: 2025-8-6 Company Name: {ASTRUM WORLD INC} {ASTRUM WORLD INC} FRN: {0035179522} {0035179522} Contact Name: {PANSARl} {Manoj Kumar} {Nina} {Liu} Address: {3242 W 8th Street #201, Los Angeles CA 90005} {3242 W 8th Street #201, Los Angeles CA 90005} Phone: {+1(213)6031574} {+1(213)6031573} Email: {[email protected]} {[email protected]} Nina Liu (Sep 28, 2025 11:57:55 GMT+8) Nina Liu 置高国际 头戴式蓝牙耳机 美代(2) Final Audit Report2025-09-28 Created:2025-09-28 By:M.K. Pansari ([email protected]) Status:Signed Transaction ID:CBJCHBCAABAArP4mZQpW-4vil_XTzn8h4NQjYUEQ2IQQ History Document created by M.K. Pansari ([email protected]) 2025-09-28 - 3:54:01 AM GMT Document emailed to Liu Shu ([email protected]) for signature 2025-09-28 - 3:54:05 AM GMT Document emailed to M.K. Pansari ([email protected]) for signature 2025-09-28 - 3:54:05 AM GMT Email viewed by M.K. Pansari ([email protected]) 2025-09-28 - 3:57:04 AM GMT Document e-signed by M.K. Pansari ([email protected]) Signature Date: 2025-09-28 - 3:57:21 AM GMT - Time Source: server Email viewed by Liu Shu ([email protected]) 2025-09-28 - 3:57:37 AM GMT Signer Liu Shu ([email protected]) entered name at signing as Nina Liu 2025-09-28 - 3:57:53 AM GMT Document e-signed by Nina Liu ([email protected]) Signature Date: 2025-09-28 - 3:57:55 AM GMT - Time Source: server Agreement completed. 2025-09-28 - 3:57:55 AM GMT

Page 1 of 4FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. External Photos Photo 1 Photo 2 Page 2 of 4FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 4FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 Page 4 of 4FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 Photo 8 ------End------

Label FCCID:2BFJ5-EASEDRIFT

Page 1 of 5FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Internal Photos Photo 1 Photo 2 Page 2 of 5FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 5FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 Page 4 of 5FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 Photo 8 BT Antenna Page 5 of 5FCC ID: 2BFJ5-EASEDRIFT Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 9 Photo 10 ------End------

Page 2 of 8 ReportNo.:AiTDG-250801002W2 ReportReviseRecord ReportVersionIssuedDateNotes V1.0Aug.18,2025InitialRelease Page 3 of 8 ReportNo.:AiTDG-250801002W2 Contents 1GENERALINFORMATION.............................................................................................................................................4 1.1ENVIRONMENTALCONDITIONS........................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT......................................................................................................................................4 1.3TESTFACILITY...............................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY........................................................................................................................................6 2METHODOFMEASUREMENT......................................................................................................................................7 2.1APPLICABLESTANDARD.................................................................................................................................................7 2.2EVALUATIONMETHODANDLIMIT...................................................................................................................................7 2.3MANUFACTURINGTOLERANCE........................................................................................................................................8 2.4EVALUATIONRESULT......................................................................................................................................................8 2.5CONCLUSION................................................................................................................................................................8 Page 4 of 8 ReportNo.:AiTDG-250801002W2 1GENERALINFORMATION 1.1Environmentalconditions Duringthemeasurementtheenvironmentalconditionswerewithinthelistedranges: NormalTemperature:25°C RelativeHumidity:55% AirPressure:101kPa 1.2GeneralDescriptionofEUT ProductName:SmarttagBluetoothHeadset Model/Type reference: EaseDrift SerialModel: EaseGo,EasePlay,EaseTune,EasePro,EaseVibe,EaseMode,Ease Mood,EaseX,TalkPro10,TalkAir10,HT320,EaseGo**,EasePlay**, EaseTune**,EasePro**,EaseVibe**,EaseMode**,EaseMood**,Ease X**,("*"canbe0-9,A-Z,orablank) PowerSupply: DC3.7Vby800mAhRechargeableLi-ionbatteryorDC5.0Vfromexternal circuit Hardwareversion.:N/A Softwareversion.:N/A Testsample(s)ID:AiTDG-250801002-1 BT: Modulation:GFSK,π/4-DQPSK,8-DPSK Operationfrequency:2402MHz-2480MHz Channelnumber:79Channels Channelseparation:1MHz Antennatype:PCBAntenna Antennagain:2.338dBi Remark:TheaboveDUT'sinformationwasdeclaredbymanufacturer.Formoredetailedfeatures description,pleaserefertothemanufacturer’sspecificationsortheUser'sManual. Page 5 of 8 ReportNo.:AiTDG-250801002W2 1.3TestFacility TestLaboratory: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan,Guangdong,China Thetestfacilityisrecognized,certifiedoraccreditedbythefollowingorganizations: CNAS-RegistrationNo:L6177 DongguanYaxu(AiT)technologyLimitedisaccreditedtoISO/IEC17025:2017generalRequirements forthecompetenceoftestingandcalibrationlaboratories(CNAS-CL01AccreditationCriteriaforthe competenceoftestingandcalibrationlaboratories)onApril18,2022 FCC-RegistrationNo.:703111DesignationNumber:CN1313 DongguanYaxu(AiT)TechnologyLimitedhasbeenregisteredandfullydescribedinareportfiledwith the(FCC)FederalCommunicationsCommission.TheacceptanceletterfromtheFCCismaintainedin ourfiles. IC—RegistrationNo.:6819ACABidentifier:CN0122 The3mSemi-anechoicchamberofDongguanYaxu(AiT)TechnologyLimitedhasbeenregisteredby CertificationandEngineeringBureauofIndustryCanadaforradioequipmenttestingwithRegistration No.:6819A A2LA-LabCert.No.:6317.01 DongguanYaxu(AiT)TechnologyLimitedhasbeenaccreditedbyA2LAfortechnicalcompetencein thefieldofelectricaltesting,andprovedtobeincompliancewithISO/IEC17025:2017General RequirementsfortheCompetenceofTestingandCalibrationLaboratoriesandanyadditionalprogram requirementsintheidentifiedfieldoftesting. Page 6 of 8 ReportNo.:AiTDG-250801002W2 1.4Measurementuncertainty Thedataandresultsreferencedinthisdocumentaretrueandaccurate.Thereaderiscautionedthat theremaybeerrorswithinthecalibrationlimitsoftheequipmentandfacilities.Themeasurement uncertaintywascalculatedforallmeasurementslistedinthistestreportaccordingtoCISPR16- 4“Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods–Part4: UncertaintyinEMCMeasurements”andisdocumentedintheDongguanYaxu(AiT)Technology Limited’squalitysystemaccordingtoDINENISO/IEC17025.Furthermore,componentandprocess variabilityofdevicessimilartothattestedmayresultinadditionaldeviation.Themanufacturerhasthe soleresponsibilityofcontinuedcomplianceofthedevice. HereafterthebestmeasurementcapabilityforYaxu(AiT)laboratoryisreported: Test Measurement Uncertainty Notes PowerLineConductedEmission150KHz~30MHz±1.20dB(1) RadiatedEmission9KHz~30Hz±3.10dB(1) RadiatedEmission9KHz~1GHz ± 3.75dB(1) RadiatedEmission1GHz~18GHz ± 3.88dB(1) RadiatedEmission18GHz-40GHz±3.88dB(1) Thereportuncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedonastandard uncertaintyMultipliedbyacoveragefactorofk=2,providingalevelofconfidenceofapproximately 95%. Page 7 of 8 ReportNo.:AiTDG-250801002W2 2Methodofmeasurement 2.1ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedin amannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposureiscalculated. FCCKDB447498D01GeneralRFExposureGuidancev06:MobileandPortableDevice,RFExposure, EquipmentAuthorizationProcedures 2.2EvaluationMethodandLimit AccordingtoKDB447498D01GeneralRFExposureGuidanc…

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Page2of39ReportNo.:AiTDG-250801002W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................13 6.1Antennarequirement..................................................................................................................13 6.2PeakPowerMeasurement.........................................................................................................14 6.3FrequencySeparationand20dBBandwidth............................................................................16 6.4NumberofHoppingFrequency..................................................................................................18 6.5TimeofOccupancy(DwellTime)...............................................................................................19 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................21 6.7Restrict-bandBand-edgeMeasurements..................................................................................23 6.8RadiatedEmissionsMeasurement............................................................................................25 6.9ConductedEmissions.................................................................................................................35 6.10Pseudorandomfrequencyhoppingsequence...........................................................................38 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................39 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................39 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................39 Page3of39ReportNo.:AiTDG-250801002W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. REPORTREVISERECORD Report Version ReviseTimeIssuedDateValidVersionNotes V1.0/ Aug.18,2025 ValidInitialrelease Page4of39ReportNo.:AiTDG-250801002W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 2TestSummary TestItemSectioninCFR47Result MaximumConductedOutputPower§15.247(b)Pass 20dBBandwidth§15.247(a)Pass FrequencySeparation§15.247(a)Pass NumberOfHoppingFrequency§15.247(a)Pass TimeOfOccupancy (DwellTime) §15.247(a)Pass ConductedSpuriousEmissionsand BandEdgesEmissions §15.205,§15.247(d)Pass RadiatedSpuriousEmissions§15.209,§15.247(d)Pass EmissionsatRestrictedBand§15.205Pass ACMainsConductedEmissions§15.207(a)Pass AntennaRequirements§15.203Pass Note 1.TestaccordingtoANSIC63.10:2020. 2.Themeasurementuncertaintyisnotincludedinthetestresult. 3.Testresultsinothertestreport(RFExposureEvaluationReport) 2.1StatementoftheMeasurementUncertainty Thedataandresultsreferencedinthisdocumentaretrueandaccurate.Thereaderiscautionedthat theremaybeerrorswithinthecalibrationlimitsoftheequipmentandfacilities.Themeasurement uncertaintywascalculatedforallmeasurementslistedinthistestreportacc.ToCISPR16–4 “Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods–Part4: UncertaintyinEMCMeasurements”andisdocumentedintheAiTqualitysystemacc.ToDINEN ISO/IEC17025.Furthermore,componentandprocessvariabilityofdevicessimilartothattestedmay resultinadditionaldeviation.Themanufacturerhasthesoleresponsibilityofcontinuedcomplianceof thedevice. 2.2MeasurementUncertainty TestItemFrequencyRangeMeasurementUncertaintyNotes RadiatedEmission0.009MHz-30MHz3.10dB(1) RadiatedEmission30MHz-1GHz3.75dB(1) RadiatedEmission1GHz-18G…

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2.4G-2.48G Inverted FAntenna Specification SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.338 AverageGain（dBi）＞-5.5 VSWR＜3.2 Impedance（Ω）50Ω AntennaTypePlannarInvertedF Antennaon board PolarizationLinear ManufactureZHUHAIJIELITECHNOLOGYCO.,LTD Address: No.333KexingRoad,NanpingSciencePark,XiangzhouDistrict, Zhuhai TestequipmentHWA-TECH AntennaPhoto& Length(mm) 天线无源S参数： AntennapassiveS-parameters: 驻波比（ VSWR ）、回波损耗（ ReturnLoss ）及史密斯圆图（ Smith ） 天线效率及增益： Antennaefficiencyandgain ： Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24002.33859.39%-2.915-2.263 24101.60349.11%-3.883-3.088 24201.29546.04%-4.014-3.369 24300.38836.89%-4.91-4.331 24400.18734.00%-5.276-4.685 24500.0231.71%-5.431-4.988 24600.50734.88%-5.02-4.575 24700.29131.89%-5.323-4.963 24800.42932.89%-5.195-4.83 Average0.7839.64%-4.66-4.12 Peak2.33859.39%-2.915-2.263 天线2400MHz2D-ThetaPattern 天线2400MHz2D-PhiPattern 2400MHz3D-TotalPattern

Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 1 of 61 Appendix A RF Test Data for BT(BDR/EDR) (Conducted Measurement) Product Name: Smart tag Bluetooth Headset Trade Mark: Test Model: Ease Drift Environmental Conditions Temperature: 25.6  C Relative Humidity:52.4% ATM Pressure:100.0 kPa Test Engineer:Emiya lin Supervised by:Simba Haung Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 2 of 61 Contents Page COVER PAGE 1 Duty Cycle........................................................................................................................................................................................ 3 1.1Test Result............................................................................................................................................................................3 1.2Test Graphs...........................................................................................................................................................................4 2 Maximum Conducted Peak Output Power........................................................................................................................................ 9 2.1Test Result............................................................................................................................................................................9 2.2Test Graphs.........................................................................................................................................................................10 3 20dB Bandwidth..............................................................................................................................................................................15 3.1Test Result..........................................................................................................................................................................15 3.2Test Graphs.........................................................................................................................................................................16 4 Carrier Frequency Separation.........................................................................................................................................................21 4.1Test Result..........................................................................................................................................................................21 4.2Test Graphs.........................................................................................................................................................................22 5 Hopping Channel Number...............................................................................................................................................................24 5.1Test Result..........................................................................................................................................................................24 5.2Test Graphs.........................................................................................................................................................................25 6 Dwell Time...................................................................................................................................................................................... 27 6.1Test Result..........................................................................................................................................................................27 6.2Test Graphs.........................................................................................................................................................................28 7 RF Conducted Spurious Emissions.................................................................................................................................................31 7.1Test Result..........................................................................................................................................................................31 7.2Test Graphs.........................................................................................................................................................................32 8 Band-edge for RF Conducted Emissions........................................................................................................................................41 8.1Test Result..........................................................................................................................................................................41 8.2Test Graphs.........................................................................................................................................................................42 9 Restrict-band band-edge measurements........................................................................................................................................54 9.1Test Result..........................................................................................................................................................................54 9.2Test Graphs.........................................................................................................................................................................56 Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 3 of 61 1 Duty Cycle 1.1 Test Result ModeFrequency (MHz)Duty Cycle (%)Correction Factor 1/T (kHz) 1-DH12402324.952.56 1-DH1244131.734.992.56 1-DH12480324.952.56 2-DH12402324.952.56 2-DH12441324.952.56 2-DH12480324.952.56 3-DH1240232.84.842.5 3-DH12441324.952.56 3-DH1248032.814.842.5 Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W…

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Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 38 of 61 8DPSK_LCH_Graphs Pref Puw Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 39 of 61 8DPSK_MCH_Graphs Pref Puw Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 40 of 61 8DPSK_HCH_Graphs Pref Puw Dongguan Yaxu(AiT) Technology Limited Report No.: AiTDG-250801002W1 FCC ID: 2BFJ5-EASEDRIFT Page 41 of 61 8 Band-edge for RF Conducted Emissions 8.1 Test Result Mode Channe l Carrier Frequency [MHz] Fre…

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