2BKB3-D20D21D41D20, D21, D41

FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D41) Externalviewofunit(Model:D41) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D21) Externalviewofunit(Model:D21) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D41,D21) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D41,D21) Externalviewofunit(Model:D41,D21) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D41,D21) Externalviewofunit(Model:D41) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D21) Externalviewofunit(Model:D20) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D20) Externalviewofunit(Model:D20) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D20) Externalviewofunit(Model:D20) FCCID:2BKB3-D20D21D41 Externalviewofunit(Model:D20) Externalviewofunit(Model:D20) FCCID:2BKB3-D20D21D41 Adapter1:TJ07201W2402850US FCCID:2BKB3-D20D21D41 Adapter2:TJ05301W2402000US

D21,D41 D20

FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D41) Internalviewofunit(Model:D41) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D41) Internalviewofunit(Model:D41) Ant FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D21) Internalviewofunit(Model:D21) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D21) Internalviewofunit(Model:D21) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D41,D21) Internalviewofunit(Model:D41,D21) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D41,D21,D20) Internalviewofunit(Model:D41,D21,D20) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D20) Internalviewofunit(Model:D20) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D20) Internalviewofunit(Model:D20) FCCID:2BKB3-D20D21D41 Internalviewofunit(Model:D20) Internalviewofunit(Model:D20)

RFExposureevaluation Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:MobileDevice ReferStandard:KDB447498D01GeneralRFExposureGuidancev06 FCCPart2§2.1091 FCCID:2BKB3-D20D21D41 1.Reference Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbe operatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergy levelinexcessoftheCommission’sguidelines. Accordingto§1.1310and§2.1091RFexposureiscalculated. KDB447498D01:MobileandPortableDevicesRFExposureProceduresandEquipment AuthorizationPolicies 2.Limit LimitsforMaximumPermissibleExposure(MPE)/ControlledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.06141.63(100)*6 3.0–301842/f4.89/f(900/f 2 )*6 30–30061.40.1631.06 300–1500//f/3006 1500–100,000//56 LimitsforMaximumPermissibleExposure(MPE)/UncontrolledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.06141.63(100)*30 3.0–30824/f2.19/f(180/f 2 )*30 30–30027.50.0730.230 300–1500//f/150030 1500–100,000//1.030 F=frequencyinMHz *=Plane-waveequivalentpowerdensity 3.MPECalculationMethod PredicationofMPElimitatagivendistance Equationfrompage18ofOETBulletin65,Edition97-01 S=PG/4πR² Where:S=powerdensity P=powerinputtoantenna G=powergainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecenterofradiationoftheantenna 4.Result AsdeclaredbytheApplicant,theEUTisawirelessdeviceusedinafixapplication,atleast 20cmfromanybodypartoftheuserornearbypersons;fromthemaximumEUTRFoutput power,theminimumseparationdistance,r=20cm,aswellasthegainoftheusedBTantenna is-0.58dBi,theRFpowerdensitycanbeobtained. EDR Freq. (MHz) Output Power (dBm) Targetpower W/tolerance (dBm) Maxtuneup power tolerance (dBm) Outputpower toantenna (mW) Ant Gain (dBi) Power Densityat R=20cm (mW/cm2) Limit (mW/c m2) Result GFSK 2402-1.252-1±1.001.000-0.580.000171Pass 2441 -2.845-2±1.0-10.794-0.580.000141Pass 2480 -4.612-4±1.0-30.501-0.580.000091Pass π/4DQPSK 2402-1.300-1±1.001.000-0.580.000171Pass 2441-2.833-2±1.0-10.794-0.580.000141Pass 2480-4.580-4±1.0-30.501-0.580.000091Pass 8DPSK 2402-1.287-1±1.001.000-0.580.000171Pass 2441-2.840-2±1.0-10.794-0.580.000141Pass 2480-4.564-4±1.0-30.501-0.580.000091Pass Note:Theestimationdistanceis20cm 5.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1091fortheuncontrolled RFExposureofmobiledevice.

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2450MHz 2500MHz2400MHz 2450MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Page 1 of 60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn FCCPart15CTESTREPORT FCCID:2BKB3-D20D21D41 Product:D20,D21,D41 ModelName:D20,D21,D41 Brand:Hiwill ReportNo.:NCT24035596 Preparedfor HiwillIntelligentTechnology(Dongguan)Co.,Ltd 603,No.5LuchengWestRoad,QingxiTown,DongguanCity,GuangdongProvince, China. Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict, Shenzhen,People’sRepublicofChina TEL:400-8868-419 FAX:86-755-27790922 ReportNo.:NCT24035596 Page 2 of 60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 1TESTRESULTCERTIFICATION Applicant’sname: HiwillIntelligentTechnology(Dongguan)Co.,Ltd Address: 603,No.5LuchengWestRoad,QingxiTown,DongguanCity, GuangdongProvince,China. Manufacture'sname : HiwillIntelligentTechnology(Dongguan)Co.,Ltd Address : 603,No.5LuchengWestRoad,QingxiTown,DongguanCity, GuangdongProvince,China. Productname : D20,D21,D41 Modelname : D20,D21,D41 Additionalmodel :N/A Standards : FCCCFR47Part15Section15.247 Testprocedure : ANSIC63.10:2013 TestDate:Aug.08,2024toSep.05,2024 DateofIssue:Sep.06,2024 TestResult :Pass ThisdevicedescribedabovehasbeentestedbyNCT,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicable onlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofNCT,this documentmaybealteredorrevisedbyNCT,personalonly,andshallbenotedintherevision ofthedocument. TestEngineer: KevenWu/Engineer TechnicalManager: HenryWang/Manager ReportNo.:NCT24035596 Page 3 of 60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn Contents Page 1TESTRESULTCERTIFICATION...............................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 3TESTFACILITY.............................................................................................................................................................6 4GENERALINFORMATION..........................................................................................................................................7 4.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................7 4.2CHANNELLIST.....................................................................................................................................................8 4.3TESTSETUPCONFIGURATION............................................................................................................................9 4.4TESTMODE.........................................................................................................................................................9 5EQUIPMENTDURINGTEST....................................................................................................................................10 5.1EQUIPMENTSLIST.............................................................................................................................................10 5.2MEASUREMENTUNCERTAINTY.........................................................................................................................12 5.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................12 6CONDUCTEDEMISSION..........................................................................................................................................13 6.1E.U.T.OPERATION............................................................................................................................................13 6.2EUTSETUP.......................................................................................................................................................13 6.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................14 6.4MEASUREMENTPROCEDURE:...........................................................................................................................14 6.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................14 6.6MEASUREMENTDESCRIPTION..........................................................................................................................14 6.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................14 7RADIATEDSPURIOUSEMISSIONS......................................................................................................................21 7.1EUTOPERATION...............................................................................................................................................21 7.2TESTSETUP......................................................................................................................................................22 7.3SPECTRUMANALYZERSETUP..........................................................................................................................23 7.4TESTPROCEDURE.............................................................................................................................................24 7.5SUMMARYOFTESTRESULTS...........................................................................................................................25 8MAXIMUMPEAKOUTPUTPOWERTEST............................................................................................................36 8.1TESTSTANDARDANDLIMIT.....................................................................................................................…

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ReportNo.:NCT24035596 Page47of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 12DwellTimeTest 12.1TestStandardandLimit TestStandardFCCPart15CSection15.247(a)(1)&RSS-247.5.1(4) TestLimit 0.4sec 12.2TestSetup 12.3TestProcedure TheEUTmusthaveitshoppingfunctionenabled.Usethefollowingspectrumanalyzersettings: 1.Span=zerospan,centeredonahoppingchannel 2.SettheRBW=1MHz. 3.SettheVBW=3MHz. 4.Sweeptime=asnecessarytocapturetheentiredwelltimeperhoppingchannel. 5.Detectorfunction=peak. 6.Tracemode=maxhold. 7.Allowtracetofullystabilize. ReportNo.:NCT24035596 Page48of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 12.4TestData ModulationPacketChannel Pulse Width(ms) Numberof Pulsesin 31.6 seconds DwellTime (ms) Limit(ms)Result GFSK DH5 CH0 (2402MHz) 2.88094270.72 <400 PASS DH5 CH39 (2441MHz) 2.896108312.77PASS DH5 CH78 (2480MHz) 2.880106305.28PASS π/4DQPSK 2-DH5 CH0 (2402MHz) 2.880106305.28PASS 2-DH5 CH39 (2441MHz) 2.880107308.16PASS 2-DH5 CH78 (2480MHz) 2.880109313.92PASS 8DPSK 3-DH5 CH0 (2402MHz) 2.896110318.56PASS 3-DH5 CH39 (2441MHz) 2.896104301.18PASS 3-DH5 CH78 (2480MHz) 2.896113327.25PASS TestPlots NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth GFSK_DH5 ReportNo.:NCT24035596 Page49of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth π/4DQPSK_2-DH5 ReportNo.:NCT24035596 Page50of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 PulseWidth 8DPSK_3-DH5 ReportNo.:NCT24035596 Page51of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn NumberofPulsesin31.6seconds 8DPSK_3-DH5 PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 PulseWidth 8DPSK_3-DH5 ReportNo.:NCT24035596 Page52of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 13100kHzBandwidthofFrequencyBandEdgeRequirement 13.1TestStandardandLimit TestStandard FCCPart15CSection15.247(d)&RSS-2475.5 TestLimit inany100kHzbandwidthoutsidethefrequencybandsinwhichthe spreadspectrumintentionalradiatorinoperating,theradiofrequency powerthatisproducedbytheintentionalradiatorshallbeatleast20dB belowthatinthe100kHzbandwidthwithinthebandthatcontainsthe highestlevelofthedesiredpower,Inaddition,radiatedemissionswhich fallintherestrictedbands,asdefinedin§15.205(a),mustalsocomply withtheradiatedemissionlimitsspecifiedin15.209(a). 13.2TestSetup 13.3TestProcedure TheEUTmusthaveitshopping/Non-hoppingfunctionenabled.Usingthefollowingspectrum analyzersetting: 1.SettheRBW=100kHz. 2.SettheVBW=300kHz. 3.Sweeptime=autocouple. 4.Detectorfunction=peak. 5.Tracemode=maxhold. 6.Allowtracetofullystabilize. ReportNo.:NCT24035596 Page53of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 13.4TestData Non-Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH1 0 2400.00-36.592-21.61-14.982PASS 21117.1-47.438-21.61-25.828PASS 3924932.0-47.048-23.15-23.898PASS 78 2483.50-55.410-24.88-30.530PASS 21560.3-46.417-24.88-21.537PASS π/4DQPSK2-DH1 0 2400.00-36.635-21.63-15.005PASS 17922.1-47.660-21.63-26.030PASS 3921176.4-46.900-23.2-23.700PASS 78 2483.50-54.732-24.93-29.802PASS 21233.8-47.143-24.93-22.213PASS 8DPSK3-DH1 0 2400.00-36.805-21.54-15.265PASS 21230.1-46.751-21.54-25.211PASS 3921533.5-47.413-23.07-24.343PASS 78 2483.50-55.269-24.81-30.459PASS 21200.7-47.542-24.81-22.732PASS Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH1 Hopping 2400.00-36.877-21.73-15.147PASS 2483.50-53.875-24.75-29.125PASS π/4DQPSK2-DH1 2400.00-37.325-22.04-15.285PASS 2483.50-53.420-24.98-28.440PASS 8DPSK3-DH1 2400.00-41.438-24.42-17.018PASS 2483.50-53.903-26.14-27.763PASS ReportNo.:NCT24035596 Page54of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn TestGraphs 30.0MHz-25000.0MHz GFSK_DH1_Channel0 30.0MHz-25000.0MHz π/4DQPSK_2-DH1_Channel0 OutOfBandEmission GFSK_DH1_Channel0 OutOfBandEmission π/4DQPSK_2-DH1_Channel0 30.0MHz-25000.0MHz GFSK_DH1_Channel39 30.0MHz-25000.0MHz π/4DQPSK_2-DH1_Channel39 ReportNo.:NCT24035596 Page55of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn OutOfBandEmission GFSK_DH1_Channel39 OutOfBandEmission π/4DQPSK_2-DH1_Channel39 30.0MHz-25000.0MHz GFSK_DH1_Channel78 30.0MHz-25000.0MHz π/4DQPSK_2-DH1_Channel78 OutOfBandEmission GFSK_DH1_Channel78 OutOfBandEmission π/4DQPSK_2-DH1_Channel78 ReportNo.:NCT24035596 Page56of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 30.0MHz-25000.0MHz 8DPSK_3-DH1_Channel0 OutOfBandEmission 8DPSK_3-DH1_Channel0 30.0MHz-25000.0MHz 8DPSK_3-DH1_Channel39 OutOfBandEmission 8DPSK_3-DH1_Channel39 30.0MHz-25000.0MHz 8DPSK_3-DH1_Channel78 OutOfBandEmission 8DPSK_3-DH1_Channel78 ReportNo.:NCT24035596 Page57of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn OutOfBandEmission(Left) GFSK_DH1_ChannelHopping OutOfBandEmission(Left) π/4DQPSK_2-DH1_ChannelHopping OutOfBandEmission(Right) GFSK_DH1_ChannelHopping OutOfBandEmission(Right) π/4DQPSK_2-DH1_ChannelHopping OutOfBandEmission(Left) 8DPSK_3-DH1_ChannelHopping OutOfBandEmission(Right) 8DPSK_3-DH1_ChannelHopping ReportNo.:NCT24035596 Page58of60 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 14AntennaRequirement 14.1TestStandardandRequirement TestStandard FCCPart15Section15.203/247(c) Requirement 1)15.203requirement: Anintentionalradiatorshallbedesignedtoensurethatnoantennaotherthan thatfurnishedbytheresponsiblepartyshallbeusedwiththedevice.The useofapermanentlyattachedantennaorofanantennathatusesaunique couplingtotheintentionalradiator,themanufacturermaydesigntheunitso thatabrokenantennacanbereplacedbytheuser,buttheus…

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FCCID:2BKB3-D20D21D41 RadiatedEmission (Below1G) RadiatedEmission (Above1G) ConductedEmission