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5SBOTGFS FCC Caution: 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: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BTSW-T-HDT-HD,A-HD,B-HD,U-BG,C-HD,D-HD,E-HD, F-HD,G-HD,I-HD,K-HD,O-HD,P-HD,Q-HD, R-HD,S-HD,M-HD,N-HD,X-HD,Z-HD,Y-HD We, Applicant CompanyName:ShenzhenMonokaroTechnologyCo.,Ltd. Address:Room1527,SouthTower,Resources-Tech- Building,No.1SongpingshanRoad.Hi-tech IndustrialPark(NorthDistrict),Nanshan District,Shenzhen Phone:0755-86562397 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-29 SignatureDate PrintedNameofSignee:BojianYin Company:ShenzhenMonokaroTechnology Co.,Ltd. Phone:0755-86562397 Email:[email protected] Address:Room1527,SouthTower, Resources-Tech-Building,No.1 SongpingshanRoad.Hi-techIndustrialPark (NorthDistrict),NanshanDistrict,Shenzhen Fax:N/A

ShenzhenMonokaroTechnologyCo.,Ltd. Room1527,SouthTower,Resources-Tech-Building,No.1SongpingshanRoad.Hi-tech IndustrialPark(NorthDistrict),NanshanDistrict,Shenzhen Date:2025-12-29 FCCID:2BTSW-T-HD ModelNumber:T-HD,A-HD,B-HD,U-BG,C-HD,D-HD,E-HD,F-HD,G-HD,I-HD,K-HD, O-HD,P-HD,Q-HD,R-HD,S-HD,M-HD,N-HD,X-HD,Z-HD,Y-HD To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,ShenzhenMonokaroTechnologyCo.,Ltd.herebydeclarethatourproduct(Wireless Doorbell ) ModelNumber:T-HD,A-HD,B-HD,U-BG,C-HD,D-HD,E-HD,F-HD,G-HD, I-HD,K-HD,O-HD,P-HD,Q-HD,R-HD,S-HD,M-HD,N-HD,X-HD,Z-HD,Y-HDelectrical identical,theSchematic,PCBlayout,structureandsoftwarearesame,onlythedifference issalesmodelnamingdifference. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:BojianYin/CEO Company:ShenzhenMonokaroTechnologyCo.,Ltd. Address:Room1527,SouthTower,Resources-Tech-Building,No.1Songpingshan Road.Hi-techIndustrialPark(NorthDistrict),NanshanDistrict,Shenzhen Phone:0755-86562397 FaxNumber:N/A E-Mail:[email protected]

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BTSW-T-HDT-HD,A-HD,B-HD,U-BG,C-HD,D-HD,E-HD, F-HD,G-HD,I-HD,K-HD,O-HD,P-HD,Q-HD,R-HD, S-HD,M-HD,N-HD,X-HD,Z-HD,Y-HD Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-29 SignatureDate PrintedNameofSignee/Title:BojianYin/CEO Company:ShenzhenMonokaroTechnologyCo.,Ltd. Address:Room1527,SouthTower,Resources-Tech-Building,No.1 SongpingshanRoad.Hi-techIndustrialPark(North District),NanshanDistrict,Shenzhen Phone:0755-86562397 Fax:-- Email:[email protected]

ReportNo.:CISRR25121631901 Page 59 of 62 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25121631901 Page 60 of 62

Label Size:10mm*10mm FCC ID:2BTSW-T-HD Label Location

ReportNo.:CISRR25121631901 Page 61 of 62 9.2.InternalPhotos ReportNo.:CISRR25121631901 Page 62 of 62 ------Endofthereport----- ANT

ReportNo.:CISRR25121631903 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR25121631903 ProjectNo.CISR251216319 FCCID2BTSW-T-HD ApplicantShenzhenMonokaroTechnologyCo.,Ltd. Address Room1527,SouthTower,Resources-Tech-Building,No.1Songpingshan Road.Hi-techIndustrialPark(NorthDistrict),NanshanDistrict,Shenzhen ManufacturerShenzhenTiekechengElectronicsCo.,Ltd. Address 505,SoundBoxBuilding,JiuweiPioneerScienceandTechnologyCulture IndustryPark,JiuweiCommunity,HangchengSub-district,ao'anDistrict, ShenzhenCity ProductNameElectronicDisplayBadge Trademark- Model/TypereferenceT-HD ListedModel(s) A-HD、B-HD、U-BG、C-HD、D-HD、E-HD、F-HD、G-HD、I-HD、K- HD、O-HD、P-HD、Q-HD、R-HD、S-HD、M-HD、N-HD、X-HD、Z- HD、Y-HD Standard 47CFRPart2.1093 DateofsamplereceiptDecember17,2025 TestdateDecember18,2025toDecember22,2025 IssuedateDecember24,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR25121631903 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00December24,2025Original ReportNo.:CISRR25121631903 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThedeviceuseasingletransmittermoduleandantennaforbothBluetooth. ReportNo.:CISRR25121631903 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP(dBm) Minimum distance (mm) Evaluated value LimitResult BR&EDR2.480 0.58 -7.13-6.55-6.005.000.07913.00PASS BLE2.4802.83-7.13-4.30-4.005.000.12543.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR25121631903 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofReport--------

Room 101, Building C, Shenzhen Qianwan Hard Technology Industrial Park, Nanchang Community, Xixiang Sub- Shenzhen Yishengbang Technology Co., Ltd Antenna Data Sheet Model name :Bluetooth Antenna Maximum antenna gain: -7.13dBi district, Bao'an District, Shenzhen City 深圳市亿圣邦科技有限公司 1 Purpose This report is to measure the performance of SLKfor Master Antenna on 羽恒. All measure data are showed below. Content 1. Product Overview 2.Test Result 3 2.1 Bluetooth Antenna Gain/Efficiency DATA . Conclusions 深圳市亿圣邦科技有限公司 2 1. Product Overview 深圳市亿圣邦科技有限公司 3 4 深圳市亿圣邦科技有限公司 5 深圳市亿圣邦科技有限公司 2. Test Result 2.1Bluetooth Antenna Gain/Efficiency DATA Frequenc y (MHz) Efficiency (dBi) Gain (dBi) Efficiency (%) 2400.0 -12.47-7.40 5.65 2410.0 -12.43-7.34 5.71 2420.0 -12.48-7.13 5.64 2430.0 -12.34-7.37 5.82 2440.0 -12.46-7.47 5.66 2450.0 -12.39-7.56 5.76 2460.0 -12.63-7.64 5.45 2470.0 -12.49-7.94 5.62 2480.0 -12.68-8.59 5.39 2490.0 -12.64-8.46 5.44 2500.0 -12.55-8.40 5.56 3. Conclusions 6 深圳市亿圣邦科技有限公司 Thank you

ReportNo.:CISRR25121631902 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of44 TESTREPORT ReportNo.CISRR25121631902 ProjectNo.CISR251216319 FCCID2BTSW-T-HD ApplicantShenzhenMonokaroTechnologyCo.,Ltd. Address Room1527,SouthTower,Resources-Tech-Building,No.1Songpingshan Road.Hi-techIndustrialPark(NorthDistrict),NanshanDistrict,Shenzhen ManufacturerShenzhenTiekechengElectronicsCo.,Ltd. Address 505,SoundBoxBuilding,JiuweiPioneerScienceandTechnologyCulture IndustryPark,JiuweiCommunity,HangchengSub-district,ao'anDistrict, ShenzhenCity ProductNameElectronicDisplayBadge Trademark- Model/TypereferenceT-HD ListedModel(s) A-HD、B-HD、U-BG、C-HD、D-HD、E-HD、F-HD、G-HD、I-HD、K- HD、O-HD、P-HD、Q-HD、R-HD、S-HD、M-HD、N-HD、X-HD、Z- HD、Y-HD Standard 47CFRPart15.247 DateofsamplereceiptDecember17,2025 TestdateDecember18,2025toDecember22,2025 IssuedateDecember24,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR25121631902 Page 2 of 44 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Testsampleinformation.............................................................................................................................7 5.4.Environmentalconditions...........................................................................................................................7 5.5.Statementofthemeasurementuncertainty.............................................................................................7 5.6.EquipmentUsedduringtheTest................................................................................................................8 6.TESTRESULTS.............................................................................................................................................10 6.1.EvaluationResults(Evaluation)...............................................................................................................10 6.1.1.AntennaRequirement............................................................................................................................10 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................11 6.2.1.ConductedEmissionatACpowerline.................................................................................................11 6.2.2.6dBBandwidth........................................................................................................................................14 6.2.3.MaximumConductedOutputPower.....................................................................................................15 6.2.4.PowerSpectralDensity..........................................................................................................................16 6.2.5.Conductedbandedgeandspuriousemission...................................................................................17 6.2.6.Radiatedbandedgeemission...............................................................................................................18 6.2.7.RadiatedSpuriousEmission(below1GHz).........................................................................................24 6.2.8.RadiatedSpuriousEmission(Above1GHz)........................................................................................28 7.APPENDIXREPORT......................................................................................................................................36 7.1.ConductedOutputPower.........................................................................................................................36 7.2.6dBBandwidth...........................................................................................................................................38 7.3.PowerSpectralDensity.............................................................................................................................39 7.4.DutyCycle..................................................................................................................................................41 7.5.ConductedSpurious&BandEdgeEmissio…

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ReportNo.:CISRR25121631901 Page 57 of 62 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR25121631901 Page 58 of 62 RadiatedSpuriousEmission(below1GHz)