2BH47-PC425AMECHANICAL KEYBOARD

DongguanFengqiTechnologyCo.,Ltd 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:DongguanFengqiTechnologyCo.,Ltd Address:No.104DalangShuixinRoad,DalangTown,DongguanCity,GuangdongProvince ProductName:MECHANICALKEYBOARD FCCID:2BH47-PC425A Model(s):PC425A 2.911(d)(5)(i)EquipmentType We,[DongguanFengqiTechnologyCo.,Ltd](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot: Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules. Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:WangYupengDate:2024.08.06 TitleandCompanyname:Manager/DongguanFengqiTechnologyCo.,Ltd NOTE1 “CoveredList ” ;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

DongguanFengqiTechnologyCo.,Ltd 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:DongguanFengqiTechnologyCo.,Ltd Address:No.104DalangShuixinRoad,DalangTown,DongguanCity,GuangdongProvince ProductName:MECHANICALKEYBOARD FCCID:2BH47-PC425A Model(s):PC425A 2.911(d)(5)(ii)Applicantfiling We,[DongguanFengqiTechnologyCo.,Ltd](“theapplicant”)certifythat,asofthedateofthefilingof theapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,established pursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:WangYupengDate:2024.08.06 TitleandCompanyname:Manager/DongguanFengqiTechnologyCo.,Ltd NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList ” ;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

DongguanFengqiTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:DongguanFengqiTechnologyCo.,Ltd Address:No.104DalangShuixinRoad,DalangTown,DongguanCity,Guangdong Province ProductName:MECHANICALKEYBOARD FCCID:2BH47-PC425A Model(s):PC425A 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[DongguanFengqiTechnologyCo.,Ltd](“theapplicant”)designate[UA INTERNATIONALINC.] NOTE1 forthepurposeofacceptingserviceofprocesson behalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgent Companyname:UAINTERNATIONALINC. Address:5030BoardwalkDrSuite818 ColoradoSprings,COLORADO80919,USA FRN:0033510736 ContactName:JessicaZhong TelephoneNo:001-719-6787182 Email:[email protected] Applicant Companyname:DongguanFengqi TechnologyCo.,Ltd Address:No.104DalangShuixinRoad, DalangTown,DongguanCity,Guangdong Province FRN:0035767235 FCCGranteeCode:2BH47 ContactName:WangYupeng TelephoneNo:13729985014 Email:[email protected] DongguanFengqiTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.5 Signature: Title:GeneralManager Signature: Title:Manager Date:2024.02.28Date:2024.08.06 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

DongguanFengqiTechnologyCo.,Ltd AgentAuthorization Company:DongguanFengqiTechnologyCo.,Ltd Address:No.104DalangShuixinRoad,DalangTown,DongguanCity,Guangdong Province ProductName:MECHANICALKEYBOARD ModelNumber(s):PC425A ProductDescription:MECHANICALKEYBOARD WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.08.06 Name: WangYupeng Title: Manage Company:DongguanFengqiTechnologyCo.,Ltd

DongguanFengqiTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.08.06 Subject;RequestforConfidentiality FCCID:2BH47-PC425A ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:WangYupeng Title:Manage

FCCID:2BH47-PC425A RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoSARtestisnotrequired ModeFreque ncy (MHz) Max Power (dBm) Target power W/ tolerance (dBm) Maxtune uppower tolerance (dBm) Max Power (mW) Min. Distanc e (mm) Calc. threshol ds limit BLEGFSK 2402-2.34 -2±1 -10.79435.000.2462 3.0 2440-2.83 -2±1 -10.79435.000.2482 3.0 2480-2.43 -2±1 -10.79435.000.2502 3.0 FHSSGFSK 2406-2.88 -3 ± 1 -20.50125.000.1554 3.0 2440-3.08 -3 ± 1 -20.50125.000.1566 3.0 2476-2.75 -3 ± 1 -20.50125.000.1579 3.0

TableofContents 1.-6dBBandwidth............................................................................................................................................................2 2.99%OccupiedBandwidth............................................................................................................................................4 3.DutyCycle.....................................................................................................................................................................6 4.PeakOutputPower.......................................................................................................................................................8 5.PowerSpectralDensity...............................................................................................................................................10 6.Bandedge....................................................................................................................................................................12 7.SpuriousEmission.......................................................................................................................................................14 Page2of16 FCCIDBLE FCC_BLE(Part15.247)TestData 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT11Mbps2402.00680.99500Pass NVNTANT11Mbps2440.00674.18500Pass NVNTANT11Mbps2480.00666.71500Pass -6dB_Bandwidth_NVNT_ANT1_1Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2440 Page3of16 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2480 Page4of16 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT11Mbps2402.001.005 NVNTANT11Mbps2440.001.017 NVNTANT11Mbps2480.001.007 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2440 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2480 Page5of16 Page6of16 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor NVNTANT11Mbps2402.0019.357.13 NVNTANT11Mbps2440.0016.137.92 NVNTANT11Mbps2480.0016.137.92 Duty_Cycle_NVNT_ANT1_1Mbps_2402 Duty_Cycle_NVNT_ANT1_1Mbps_2440 Duty_Cycle_NVNT_ANT1_1Mbps_2480 Page7of16 Page8of16 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT11Mbps2402.00-2.340.581000Pass NVNTANT11Mbps2440.00-2.830.521000Pass NVNTANT11Mbps2480.00-2.430.571000Pass Peak_Output_Power_NVNT_ANT1_1Mbps_2402 Peak_Output_Power_NVNT_ANT1_1Mbps_2440 Peak_Output_Power_NVNT_ANT1_1Mbps_2480 Page9of16 Page10of16 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz)PowerSpectralDensity(dBm)Limit(dBm/3kHz)Result NVNTANT11Mbps2402.00-17.688Pass NVNTANT11Mbps2440.00-17.838Pass NVNTANT11Mbps2480.00-18.508Pass Power_Spectral_Density_NVNT_ANT1_1Mbps_2402 Power_Spectral_Density_NVNT_ANT1_1Mbps_2440 Power_Spectral_Density_NVNT_ANT1_1Mbps_2480 Page11of16 Page12of16 6.Bandedge ConditionAntennaRate TX_Frequency (MHz) Max.MarkFrequency (MHz) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.002399.965-52.682-22.863Pass NVNTANT11Mbps2480.002484.250-58.419-23.021Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Bandedge_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page13of16 2_Bandedge_NVNT_ANT1_1Mbps_2480 Page14of16 7.SpuriousEmission ConditionAntennaRateTX_Frequency(MHz)SpuriousMAX.Value(dBm)LimitResult NVNTANT11Mbps2402.00-41.654-22.863Pass NVNTANT11Mbps2440.00-42.460-23.493Pass NVNTANT11Mbps2480.00-40.839-23.021Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Spurious_Emission_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2440 Page15of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2440 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page16of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2480

TESTREPORT FCCID:2BH47-PC425A Product:MECHANICALKEYBOARD ModelName:PC425A Brand:/ ReportNo.:NCT24031812E1-2 Preparedfor DongguanFengqiTechnologyCo.,Ltd No.104DalangShuixinRoad,DalangTown,DongguanCity,GuangdongProvince Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict, Shenzhen,People’sRepublicofChina TEL:400-8868-419 ReportNo.:NCT24031812E1-2 Page2of34 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn 1TESTRESULTCERTIFICATION Applicant’sname:DongguanFengqiTechnologyCo.,Ltd Address: No.104DalangShuixinRoad,DalangTown,DongguanCity,Guangdong Province Manufacture'sname:DongguanFengqiTechnologyCo.,Ltd Address: No.104DalangShuixinRoad,DalangTown,DongguanCity,Guangdong Province Productname:MECHANICALKEYBOARD Modelname:PC425A Standards:FCCCFR47Part15Section15.247 Testprocedure:ANSIC63.10:2013 Dateoftest:Jul.25,2024toAug.05,2024 DateofIssue:Aug.05,2024 ThisdevicedescribedabovehasbeentestedbyNCT,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonly tothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofNCT,this documentmaybealteredorrevisedbyNCT,personalonly,andshallbenotedintherevisionof thedocument. TestEngineer: KevenWu/Engineer TechnicalManager: HenryWang/Manager ReportNo.:NCT24031812E1-2 Page3of34 Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn Contents Page 1TESTRESULTCERTIFICATION...............................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 2.1TESTSITE............................................................................................................................................................6 3GENERALINFORMATION..........................................................................................................................................7 3.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................7 3.2CHANNELLIST.....................................................................................................................................................8 3.3TESTSETUPCONFIGURATION............................................................................................................................9 3.4TESTCONFIGURATION.........................................................................................................................................9 4EQUIPMENTDURINGTEST....................................................................................................................................10 4.1EQUIPMENTSLIST.............................................................................................................................................10 4.2MEASUREMENTUNCERTAINTY.........................................................................................................................12 4.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................12 5CONDUCTEDEMISSION..........................................................................................................................................13 5.1E.U.T.OPERATION............................................................................................................................................13 5.2EUTSETUP.......................................................................................................................................................13 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................14 5.4MEASUREMENTPROCEDURE............................................................................................................................14 5.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................14 5.6MEASUREMENTDESCRIPTION..........................................................................................................................14 5.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................14 6RADIATEDSPURIOUSEMISSIONS......................................................................................................................17 6.1EUTOPERATION...............................................................................................................................................17 6.2TESTSETUP......................................................................................................................................................18 6.3SPECTRUMANALYZERSETUP..........................................................................................................................19 6.4TESTPROCEDURE.............................................................................................................................................20 6.5SUMMARYOFTESTRESULTS...........................................................................................................................22 7CONDUCTBANDEDGEANDSPURIOUSEMISSIONSMEASUREMENT....................................................29 7.1TESTPROCEDURE.............................................................................................................................................29 7.2TESTRESULT....................................................................................................................................................29 ReportNo.:NCT24031812E1-2 Page4of34 Hotline:400-8868-419Fax:86-755-27790922h…

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Antenna Specification Specifications Summary ITEMSPEC. Model Name ISM 2.4 GHz Center Frequency& Gain 2.402GHz 2. 440GHz 2.480GHz 2. 39 dBi 2 . 26 dBi 2.41 dBi MAX. GAIN 2.41 dBi PolarizationHorizontal Azimuth Beam Pattern Omni-directional Impedance 50 Ω Antenna Length 41 mm Antenna Photo & Length Radiationpattern:Antenna1.XZPlaneatf=2.402GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.402GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.402GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.440GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.440GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.440GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.480GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.480GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.480GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION