2BTIP-X25Smart Cat Litter Box

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BTIP-X25X25,X31 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:LOBOSIOWAINCShenzhenTianzhengUnited TechnologyCo.,Ltd FRN:00364139610037717501 ContactName:HarleyLiTianbinKe Address:4623BittercreekDrColorado SpringsCO80922US No.8.Building1.PinghuDawang IndustrialZone. XinshaAvenue,Pinghu Subdistrict,Longgang District,ShenzhenCity. Phone:+18188180538-- Email:[email protected]@qq.com

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BTIP-X25X25,X31 We, Applicant CompanyName:ShenzhenTianzhengUnitedTechnology Co.,Ltd Address:No.8.Building1.PinghuDawangIndustrial Zone.XinshaAvenue,PinghuSubdistrict, LonggangDistrict,ShenzhenCity. Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-06-03 SignatureDate PrintedNameofSignee:TianbinKe Company:ShenzhenTianzhengUnited TechnologyCo.,Ltd Phone:N/A Email:[email protected] Address:No.8.Building1.PinghuDawang IndustrialZone. XinshaAvenue,PinghuSubdistrict, LonggangDistrict,ShenzhenCity. Fax:N/A

ShenzhenTianzhengUnitedTechnologyCo.,Ltd No.8.Building1.PinghuDawangIndustrialZone.XinshaAvenue,PinghuSubdistrict, LonggangDistrict,ShenzhenCity. Date:2026-06-10 FCCID:SmartCatLitterBox ModelNumber:X25,X31 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,ShenzhenTianzhengUnitedTechnologyCo.,Ltdherebydeclarethatourproduct (SmartCatLitterBox ) ModelNumber:X25,X31electricalidentical,theSchematic,PCB layout,structureandsoftwarearesame,theonlydifferencebetweenthesemodelsisthe colorofthehousing. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:TianbinKe/Manager Company:ShenzhenTianzhengUnitedTechnologyCo.,Ltd Address:No.8.Building1.PinghuDawangIndustrialZone.XinshaAvenue,Pinghu Subdistrict,LonggangDistrict,ShenzhenCity. Phone:N/A 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 2BTIP-X25X25,X31 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-06-10 SignatureDate PrintedNameofSignee/Title:TianbinKe/Manager Company:ShenzhenTianzhengUnitedTechnologyCo.,Ltd Address:No.8.Building1.PinghuDawangIndustrialZone. XinshaAvenue,PinghuSubdistrict,Longgang District,ShenzhenCity. Phone:-- Fax:-- Email:[email protected]

ReportNo.:CISRR26052624401 Page 42 of 50 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26052624401 Page 43 of 50 ReportNo.:CISRR26052624401 Page 44 of 50 ReportNo.:CISRR26052624401 Page 45 of 50

Label Size:30mm*20mm Smart Cat Litter Box Model No:X25 FCC ID:2BTIP-X25 Label Location

ReportNo.:CISRR26052624401 Page 46 of 50 9.2.InternalPhotos ReportNo.:CISRR26052624401 Page 47 of 50 ReportNo.:CISRR26052624401 Page 48 of 50 ReportNo.:CISRR26052624401 Page 49 of 50 ReportNo.:CISRR26052624401 Page 50 of 50 ------Endofthereport-----

ReportNo.:CISRR26052624403 Reporttemplateversion:CISE-TR-001-A0Page:1of6 TESTREPORT RFExposureEvaluation ReportNo.CISRR26052624403 ProjectNo.CISR260526244 FCCID2BTIP-X25 ApplicantShenzhenTianzhengUnitedTechnologyCo.,Ltd Address No.8.Building1.PinghuDawangIndustrialZone,XinshaAvenue, PinghuSubdistrict,LonggangDistrict,ShenzhenCity. ManufacturerShenzhenTianzhengUnitedTechnologyCo.,Ltd Address No.8.Building1.PinghuDawangIndustrialZone,XinshaAvenue, PinghuSubdistrict,LonggangDistrict,ShenzhenCity. ProductNameSmartCatLitterBox Trademark- Model/TypereferenceX25 ListedModel(s)X31 Standard 47CFRPart2.1091 DateofsamplereceiptMay27,2026 TestdateMay27,2026toJune06,2026 IssuedateJune09,2026 TestresultComplied Reviewedby:GenryLong Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR26052624403 Reporttemplateversion:CISE-TR-001-A0Page:2of6 1.APPLICABLESTANDARD 47CFRPart2.1091:Radiofrequencyradiationexposureevaluation:mobiledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 47CFRPart1.1310:Radiofrequencyradiationexposurelimits. 2.REPORTVERSION VersionNo.IssuedateDescription 00June09,2026Original ReportNo.:CISRR26052624403 Reporttemplateversion:CISE-TR-001-A0Page:3of6 3.RADIOSPECIFICATIONDESCRIPTION WIFI-2.4GHzBand Supportedtype:802.11b802.11g802.11n 802.11ax Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforWLANorBLE. ReportNo.:CISRR26052624403 Reporttemplateversion:CISE-TR-001-A0Page:4of6 5.TESTRESULT 5.1.SARtestexclusionEvaluation ExclusionLimit: KDB447498D01v06,Clause4.3.1b) 100MHzto1500MHz {[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·(f(MHz)/150)]}mW 1500MHzand≤6GHz {[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·10]}mW Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-upEIRP (dBm) Minimum distance #4 (mm) Exclusion Limit (dBm) Result 2.4GWIFI2.41213.192.4515.6416200mm32.03PASS BLE2402-1.622.540.922200mm32.03PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR26052624403 Reporttemplateversion:CISE-TR-001-A0Page:5of6 5.2.Standalonetransmission Limit: Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironment impactofhumanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequency range(MHz) Electricfield strength(V/m) Magneticfield strength (A/m) Powerdensity (mW/cm 2 ) Averaging time(minutes) (A)LimitsforOccupational/ControlledExposures 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 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f *(180/f 2 ) 30 30–30027.50.0730.230 300–1500--f/150030 1500–100,000--1.030 Evaluationmethod: Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW, G=gainofantennainlinearscale,Pi=3.1416, R=distancebetweenobservationpointandcenteroftheradiatorincm Result:Passed TestData Radiotype Maximum outputpower (dBm) #1 Maximum tune-uppower (dBm) Antenna gain(dBi) #2 Minimun distance(cm) #3 Pd (mW/cm 2 ) Limit (mW/cm 2 ) Result 2.4GWIFI13.19162.45200.01391.0PASS BLE-1.6222.54200.00061.0PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR26052624403 Reporttemplateversion:CISE-TR-001-A0Page:6of6 5.3.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--------

ReportNo.:CISRR26052624401 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of38 TESTREPORT ReportNo.CISRR26052624401 ProjectNo.CISR260526244 FCCID2BTIP-X25 ApplicantShenzhenTianzhengUnitedTechnologyCo.,Ltd Address No.8.Building1.PinghuDawangIndustrialZone,XinshaAvenue,Pinghu Subdistrict,LonggangDistrict,ShenzhenCity. ManufacturerShenzhenTianzhengUnitedTechnologyCo.,Ltd Address No.8.Building1.PinghuDawangIndustrialZone,XinshaAvenue,Pinghu Subdistrict,LonggangDistrict,ShenzhenCity. ProductNameSmartCatLitterBox Trademark- Model/TypereferenceX25 ListedModel(s)X31 Standard 47CFRPart15.247 DateofsamplereceiptMay27,2026 TestdateMay27,2026toJune06,2026 IssuedateJune09,2026 TestresultComplied Reviewedby:GenryLong Approvedby:HansHu ReportNo.:CISRR26052624401 Page 2 of 38 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).........................................................................................23 6.2.8.RadiatedSpuriousEmission(Above1GHz)........................................................................................26 7.APPENDIXREPORT......................................................................................................................................33 7.1.ConductedOutputPower.........................................................................................................................33 7.2.PowerSpectralDensity.............................................................................................................................34 7.3.6dBBandwidth...........................................................................................................................................35 7.4.DutyCycle..................................................................................................................................................36 7.5.ConductedSpurious&BandEdgeEmission.........................................................................................37 ReportNo.:CISRR26052624401 Page 3 of 38 1.STANDARDANDAPPLICABLETESTMETHODS Thetest…

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ReportNo.:CISRR26052624402 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of51 TESTREPORT ReportNo.CISRR26052624402 ProjectNo.CISR260526244 FCCID2BTIP-X25 ApplicantShenzhenTianzhengUnitedTechnologyCo.,Ltd Address No.8.Building1.PinghuDawangIndustrialZone,XinshaAvenue,Pinghu Subdistrict,LonggangDistrict,ShenzhenCity. ManufacturerShenzhenTianzhengUnitedTechnologyCo.,Ltd Address No.8.Building1.PinghuDawangIndustrialZone,XinshaAvenue,Pinghu Subdistrict,LonggangDistrict,ShenzhenCity. ProductNameSmartCatLitterBox Trademark- Model/TypereferenceX25 ListedModel(s)X31 Standard 47CFRPart15.247 DateofsamplereceiptMay27,2026 TestdateMay27,2026toJune05,2026 IssuedateJune09,2026 TestresultComplied Reviewedby:GenryLong Approvedby:HansHu ReportNo.:CISRR26052624402 Page 2 of 51 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................5 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.............................................................................................8 5.6.EquipmentUsedduringtheTest................................................................................................................9 6.TESTRESULTS.............................................................................................................................................11 6.1.EvaluationResults(Evaluation)...............................................................................................................11 6.1.1.AntennaRequirement.............................................................................................................................11 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................12 6.2.1.ConductedEmissionatACpowerline.................................................................................................12 6.2.2.6dBBandwidth........................................................................................................................................15 6.2.3.MaximumConductedOutputPower.....................................................................................................16 6.2.4.PowerSpectralDensity..........................................................................................................................17 6.2.5.Conductedbandedgeandspuriousemission...................................................................................18 6.2.6.Radiatedbandedgeemission...............................................................................................................19 6.2.7.RadiatedSpuriousEmission(below1GHz).........................................................................................24 6.2.8.RadiatedSpuriousEmission(Above1GHz)........................................................................................27 7.APPENDIXREPORT......................................................................................................................................34 7.1.ConductedPeakOutputPower................................................................................................................34 7.2.PowerSpectralDensity.............................................................................................................................37 7.3.6dBBandwidth...........................................................................................................................................40 7.4.DutyCycle..................................................................................................................................................43 7.5.ConductedSpurious&BandEdgeEmission.........................................................................................46 ReportNo.:CISRR26052624402 Page 3 of 51 1.STANDARDANDAPPLICABLETESTMETHODS Thetestswer…

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AntennaSpecification Manufacture：TUYA ProductName：WBR3Antenna AntennaType：PCB TestDate：2021.05.20 Testedby：LongWang Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................6 5.EUTPhoto................................................................................................6 6.TestSetupPhoto......................................................................................7 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameWBR3Antenna Productmodel WBR3 AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400 1.6252.29 2410 1.7152.17 2420 1.9353.14 2430 1.9854.16 2440 2.0057.62 2450 2.1759.64 2460 2.4561.55 2470 2.3860.64 2480 2.5462.86 2490 2.3059.85 2500 2.4960.41 4 3.2RadiationPattern Phi02D Phi902D 5 Theta902D 2480MHz3D 6 4.AntennaDimensions 5.EUTPhoto 7 6.TestSetupPhoto

ReportNo.:CISRR26052624401 Page 40 of 50 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR26052624401 Page 41 of 50 RadiatedSpuriousEmission(below1GHz)