2AXSU-HT-KB333Bluetooth keyboard

ShenZhen HongTaiDingYe Electronics Co.,ltd Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 6/28/2023 U.S. Agent Designation ShenZhen HongTaiDingYe Electronics Co.,ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AXSU-HT-KB333): Name and company of U.S. agent: FCC US Agent, LLC Physical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] FCC US Agent, LLC acknowledges their obligation to accept service of process on behalf of ShenZhen HongTaiDingYe Electronics Co.,ltd. ShenZhen HongTaiDingYe Electronics Co.,ltd with the FRN 0030074058 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. 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. S incerely, Signature Huan Yang Sales Manager ShenZhen HongTaiDingYe Electronics Co.,ltd Signature Tim Payne Manager FCC US Agent, LLC 48_[model] US_Agent_2.911(d)(7)-U, V05

Covered Equipment Identification Letter For Certification Service in the USA Federal Communication 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)(5)(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows: We, applicant Company Name: ShenZhen HongTaiDingYe Electronics Co.,ltd Address: W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Phone: +86-755-23143515 certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-06-28 Name / Title: Huan Yang / Sales Manager Company: ShenZhen HongTaiDingYe Electronics Co.,ltd Address: W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Phone: +86-755-23143515 Fax: +86-769-87282782 E-Mail: [email protected]

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communication 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)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2AXSU-HT-KB333 HT-KB3, HT-030, HT-X7, HT-250C, HT-X3 We, applicant Company Name: ShenZhen HongTaiDingYe Electronics Co.,ltd Address: W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Phone: +86-755-23143515 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-06-28 Name / Title: Huan Yang / Sales Manager Company: ShenZhen HongTaiDingYe Electronics Co.,ltd Address: W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Phone: +86-755-23143515 Fax: +86-769-87282782 E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2AXSU-HT-KB333 HT-KB3, HT-030, HT-X7, HT-250C, HT-X3 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-06-28 Name / Title: Huan Yang / Sales Manager Company: ShenZhen HongTaiDingYe Electronics Co.,ltd Address: W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Phone: +86-755-23143515 Fax: +86-769-87282782 E-Mail: [email protected]

ShenZhen HongTaiDingYe Electronics Co.,ltd W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Date: June 28, 2023 FCC ID: 2AXSU-HT-KB333 Model Number: HT-KB333, HT-030, HT-X7, HT-250C, HT-X3 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, ShenZhen HongTaiDingYe Electronics Co.,ltd hereby declare that our product (Bluetooth keyboard) Model Number: HT-KB333, HT-030, HT-X7, HT-250C, HT-X3 board, Schematic, Hardware version, Software version, structure and internal photos are same, named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name/Title: Huan Yang / Sales Manager Company: ShenZhen HongTaiDingYe Electronics Co.,ltd Address: W2033,2nd floor Shenzhen chengyun Buliding,beier Road,Bantian Street,LongGang District ShenZhen, China Tel: +86-755-23143515 Fax: +86-769-87282782 E-Mail: [email protected]

Page1of4FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of4FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of4FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of4FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8

Page1of1FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L4.0cmx3.0cm) LabelLocation Bluetoothkeyboard Model:HT-KB333 FCCID:2AXSU-HT-KB333

Page1of5FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity InternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of5FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of5FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8 Antenna Page5of5FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.9 Fig.10

Page1of3FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCRFExposureEvaluation 1.ProductInformation Productname:Bluetoothkeyboard TestModel:HT-KB333 AdditionalModelNo.:HT-030,HT-X7,HT-250C,HT-X3 ModelDeclaration:PCBboard,structureandinternalofthesemodel(s)arethe same,Sonoadditionalmodelsweretested PowerSupply:Input:DC5V,0.4A DC3.7VbyRechargeableLi-ionBattery,500mAh HardwareVersion:V1.0 SoftwareVersion:V1.2 BluetoothFrequencyRange:2402MHz~2480MHz ChannelNumber: 79channelsforBluetoothV3.0(DSS) ChannelSpacing: 1MHzforBluetoothV3.0(DSS) ModulationType: GFSK,π/4-DQPSK,8-DPSKforBluetoothV3.0(DSS) BluetoothVersion:V3.0 AntennaDescription:PCBAntenna,3.12dBi(max.) Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:PortableDevice 2.EvaluationmethodandLimit AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSAR testexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDB procedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulation exposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition,listedbelow,issatisfied.Thesetest exclusionconditionsarebasedonsource-basedtime-averagedmaximumconductedoutputpower oftheRFchannelrequiringevaluation,adjustedfortune-uptolerance,andtheminimumtest separationdistancerequiredfortheexposureconditions.22Theminimumtestseparationdistance isdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresoroutersurfaceof thedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements,toany partofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbythe operatingconfigurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,typicallyintheSARmeasurementorSARanalysisreport,accordingtotherequired publishedRFexposureKDBprocedures.WhennootherRFexposuretestingorreportingis required,astatementofjustificationandcompliancemustbeincludedintheequipmentapproval,in lieuoftheSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfiedbefore applyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-wayradios,handsets, laptops&tabletsetc.“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: Page2of3FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingtof)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportablehost platformexposureconditions.ThegranteeisresponsiblefordocumentingthisaccordingtoClassI permissivechangerequirements.AntennasthatqualifyforstandaloneSARtestexclusionmust applytheestimatedstandaloneSARtodeterminesimultaneoustransmissiontestexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantennaconfiguration, adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ReferEvaluationMethod ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadio FrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevices RFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 4.ConductedPowerResults <BT> ModeChannelFrequency(MHz)PeakConductedOutputPower(dBm) GFSK 024020.52 3924410.77 7824800.4 π/4DQPSK 02402-0.01 3924410.19 7824800.22 8DPSK 024020.14 3924410.33 7824800.36 Page3of3FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 5.ManufacturingTolerance <BT> GFSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 π/4DQPSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 8DPSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 6.EvaluationResults 6.1StandaloneEvaluation Band/Mode Frequ ency (GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW BT GFSK2.48051.0 1.2589 0.3965<3.0Yes π/4DQPSK2.48051.01.25890.3965<3.0Yes 8DPSK2.48051.01.25890.3965<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)insection 4.1isappliedtodetermineSARtestexclusion. 6.2SimultaneousTransmissionforSARExclusion Thesamplesupporton…

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Bluetooth Antenna specification&Test report Yichip Microelectronics ©2014 Gian and Efficiency Frequency (MHz) Efficiency(%) Gain(dBi) 2300 28.41 -1.40 2320 38.63 -0.11 2340 42.82 0.36 2360 47.04 0.41 2380 47.39 0.58 2400 53.31 0.73 2420 63.69 2.10 2440 66.14 2.52 2460 64.61 2.72 2480 63.93 2.79 2500 65.00 2.97 2520 60.03 2.90 2540 58.27 3.12 3D and 1D Radiation Patterns Cut1 Max: 3 Min: -7 Scale: 1/div Angle (? 0 1 8 0 3 0 2 1 0 6 0 2 4 0 9 0 2 7 0 1 2 0 3 0 0 1 5 0 3 3 0 Cut2 Max: 4 Min: -16 Scale: 2/div Angle (? Cut3 Max: 4 Min: -10 Scale: 2/div Angle (? 0 1 8 0 3 0 2 1 0 6 0 2 4 0 9 0 2 7 0 1 2 0 3 0 0 1 5 0 3 3 0 0 1 8 0 3 0 2 1 0 6 0 2 4 0 9 0 2 7 0 1 2 0 3 0 0 1 5 0 3 3 0

Page 1 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity AppendixA RF Test Data for BT (ConductedMeasurement) ProductName:Bluetoothkeyboard Test Model:HT-KB333 EnvironmentalConditions Temperature: 23.8  C RelativeHumidity:52.1% ATM Pressure:10 0.0 kPa Test Engineer: Joker Hu Supervisedby:Ling Zhu Page 2 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity A.1 -20dBBandwidth ConditionModeFrequency(MHz)Antenna-20 dB Bandwidth(MHz)Limit -20 dB Bandwidth(MHz)Verdict NVNT1-DH52402Ant10.966N/APass NVNT1-DH52441Ant10.975N/APass NVNT1-DH52480Ant10.957N/APass NVNT2-DH52402Ant11.322N/APass NVNT2-DH52441Ant11.284N/APass NVNT2-DH52480Ant11.281N/APass NVNT3-DH52402Ant11.3N/APass NVNT3-DH52441Ant11.274N/APass NVNT3-DH52480Ant11.304N/APass Page 3 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity Test Graphs -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 Page 4 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 Page 5 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 Page 6 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 Page 7 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity -20dBBandwidthNVNT3-DH52480MHzAnt1 Page 8 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity A.2 MaximumConductedOutputPower ConditionModeFrequency(MHz)AntennaConductedPower(dBm)Limit (dBm)Verdict NVNT1-DH52402Ant10.5221Pass NVNT1-DH52441Ant10.7721Pass NVNT1-DH52480Ant10.421Pass NVNT2-DH52402Ant1-0.0121Pass NVNT2-DH52441Ant10.1921Pass NVNT2-DH52480Ant10.2221Pass NVNT3-DH52402Ant10.1421Pass NVNT3-DH52441Ant10.3321Pass NVNT3-DH52480Ant10.3621Pass Page 9 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity Test Graphs PowerNVNT1-DH52402MHzAnt1 PowerNVNT1-DH52441MHzAnt1 Page 10 of 54 FCC ID: 2AXSU-HT-KB333ReportNo.: LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity PowerNVNT1-DH52480MHzAnt1 PowerNVNT2-DH52402MHzAnt1 Page 11 of 54 FCC ID: 2AXSU-HT-KB333ReportNo. : LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity PowerNVNT2-DH52441MHzAnt1 PowerNVNT2-DH52480MHzAnt1 Page 12 of 54 FCC ID: 2AXSU-HT-KB333ReportNo.: LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity PowerNVNT3-DH52402MHzAnt1 PowerNVNT3-DH52441MHzAnt1 Page 13 of 54 FCC ID: 2AXSU-HT-KB333ReportNo.: LCSA061523089EA ShenzhenLCS ComplianceTestingLaboratoryLtd. Add: 101, 201 Bldg A & 301 Bldg C, Juji IndustrialPark Yabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel: +(86) 0755-82591330| E-mail:[email protected]| Web: www.lcs-cert.com Scan code to check authenticity PowerNVNT3-DH52480MHzAnt1 Page 14 of 54 FCC ID: 2AXSU-HT-KB333ReportNo…

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Page 1 of 36 FCC ID: 2AXSU-HT-KB333 Report No.: LCSA061523089EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC TEST REPORT FOR ShenZhen HongTaiDingYe Electronics Co.,ltd Bluetooth keyboard Test Model: HT-KB333 Additional Model No.: HT-030, HT-X7, HT-250C, HT-X3 Prepared for : ShenZhen HongTaiDingYe Electronics Co.,ltd Address : W2033,2nd floor Shenzhen chengyun Buliding, beier Road,Bantian Street,LongGang District ShenZhen ChinaRoad,Bantian Street,LongGang District ShenZhen China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : June 20, 2023 Number of tested samples : 2 Sample No. ： A061523089-1, A061523089-2 Serial number : Prototype Date of Test : June 20, 2023 ~ June 25, 2023 Date of Report : June 26, 2023 Page 2 of 36 FCC ID: 2AXSU-HT-KB333 Report No.: LCSA061523089EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCSA061523089EA Date of Issue ................................... : June 26, 2023 Testing Laboratory Name ............ : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ........................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Testing Location/ Procedure ........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .......................... : ShenZhen HongTaiDingYe Electronics Co.,ltd Address ........................................... : W2033,2nd floor Shenzhen chengyun Buliding, beier Road,Bantian Street,LongGang District ShenZhen China Test Specification Standard .......................................... : FCC CFR 47 PART 15 C (15.247) Test Report Form No. ..................... : LCSEMC-1.0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Bluetooth keyboard Trade Mark ...................................... : N/A Test Model ...................................... : HT-KB333 Ratings ............................................ : Input: DC 5V, 0.4A DC 3.7V by Rechargeable Li-ion Battery, 500mAh Result ........................................... : Positive Compiled by: Supervised by: Approved by: Li Huan/ Administrator Cary Luo/ Technique principal Gavin Liang/ Manager Page 3 of 36 FCC ID: 2AXSU-HT-KB333 Report No.: LCSA061523089EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC -- TEST REPORT Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSA061523089EA June 26, 2023 Date of issue Test Model.............................. : HT-KB333 EUT......................................... : Bluetooth keyboard Applicant............................... : ShenZhen HongTaiDingYe Electronics Co.,ltd Address................................... : W2033,2nd floor Shenzhen chengyun Buliding, beier Road,Bantian Street,LongGang District ShenZhen China Telephone............................... : / Fax.......................................... : / Manufacturer......................... : ShenZhen HongTaiDingYe Electronics Co.,ltd Address................................... : W2033,2nd floor Shenzhen chengyun Buliding, beier Road,Bantian Street,LongGang District ShenZhen China Telephone............................... : / Fax.......................................... : / Factory................................... : Dongguan HongtaiDingye Electronics Co., Ltd. Address................................... : 2 / F, Building A, 8 Pusha Heng Road, Shahu Community, Tangxia, Dongguan, China Telephone............................... : / Fax.......................................... : / Page 4 of 36 FCC ID: 2AXSU-HT-KB333 Report No.: LCSA061523089EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Revision History Report Version Issue Date Revision Content Revised By 000 June 26, 2023 Initial Issue --- Page 5 of 36 FCC ID: 2AXSU-HT-KB333 Report No.: LCSA061523089EA Shenzhen LCS Compliance Te…

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Page1of2FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 Page2of2FCCID:2AXSU-HT-KB333 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 TestSetupPhoto(s)ofConductedEmissionsMeasurement Fig.4