2BUEU-S30MAXTripod

ChangshaLingboTechnologyCo.,Ltd. Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Feb.25,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BUEU-S30MAX ChangshaLingboTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:JoxinHuang Title:Manager Address:Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict Tel.:+8617872624836 Email:[email protected]

ChangshaLingboTechnologyCo.,Ltd. Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Feb.25,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2BUEU-S30MAX] ProductName:[Tripod] Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:JoxinHuang Title:Manager Address:Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict Tel.:+8617872624836 Email:[email protected] ChangshaLingboTechnologyCo.,Ltd. Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance. ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

ChangshaLingboTechnologyCo.,Ltd. Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Feb.25,26 Ref: AttestationStatement–Part 2.911(d)(7)filing FCCID:[2BUEU-S30MAX] [ChangshaLingboTechnologyCo.,Ltd.](“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,HOPEKCORPORATIONINC(“theagent”)isourdesignatedU.S.agentforservice ofprocessfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentforservice ofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater.TheapplicantfurtheracknowledgesitisourresponsibilitytoinformtheFCC whenevertheagentinformationchanges. HOPEKCORPORATIONINC("theagent)understanditistheagent'sobligationtoacceptservice ofprocessintheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysical U.S.addressandemailaddress. DesignatedU.S.Agent CompanyName:HOPEKCORPORATIONINC FRN:0034562900 Address:16755CoyoteBushDrUnit84,SanDiego, CA92127UnitedStates Signature: ContactPerson:YangyangXu Tel:(561)875-9826Email:[email protected] Applicant CompanyName:ChangshaLingboTechnologyCo.,Ltd. FRN:0037870284 Address:Room705,7thFloor,BlockB,Building1, 699QingshanRoad,YueluDistrict Signature: ContactPerson:JoxinHuang Tel:+8617872624836Email:tnwchanpinbu- [email protected]

ChangshaLingboTechnologyCo.,Ltd. Room705,7thFloor,BlockB,Building1,699QingshanRoad,Yuelu District (Feb.25, 2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BUEU-S30MAX PursuanttoSections0.457and0.459oftheCommission’s Rules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  Block Diagram Schematics  Operational Description  Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsin developing.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowfora periodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingin theUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMin theeventinformationregardingtheproductorthe productis madeavailabletothepublicbeforetherequestedperiodhasexpired.  User Manual  Internal Photos  Test Setup Photos  Sincerely, Title:Manager Address:Room705,7thFloor,BlockB,Building1,699QingshanRoad,YueluDistrict Tel.:+8617872624836 Email:[email protected]

ChangshaLingboTechnologyCo.,Ltd. Room705,7thFloor,BlockB,Building1,699QingshanRoad,Yuelu District (Feb.25,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BUEU-S30MAX I,theundersigned,herebyauthorizeShenzhenBKCTestingCo.,Ltd.toactonourbehalfinallmatters relatingtothisapplicationforequipmentcertification. AnyactcarriedoutbyShenzhenBKCTestingCo.,Ltd.shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswithChangshaLingbo TechnologyCo.,Ltd.. WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, JoxinHuang Manager Tel:+8617872624836 Email:[email protected]

FCCID:2BUEU-S30MAX Photo1 Photo2 FCCID:2BUEU-S30MAX Photo3 Photo4 FCCID:2BUEU-S30MAX Photo5 Photo6 FCCID:2BUEU-S30MAX Photo7 Photo8

FCCID:2BUEU-S30MAX Label Size:10mm*8mm FCCID:2BUEU-S30MAX LabelLocation

RFExposureevaluation FCCID2BUEU-S30MAX ProductNameTripod ModelNo.LINBER-S30MAX ListedModel(s)N/A 1.Reference ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposureto RadioFrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortable DevicesRFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1Standalone SARtestexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposure KDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneral populationexposureconditions,bymeasurementornumericalsimulation,isnotrequired whenthecorrespondingSARTestExclusionThresholdcondition,listedbelow,issatisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions.22The minimumtestseparationdistanceisdeterminedbythesmallestdistancefromtheantenna andradiatingstructuresoroutersurfaceofthedevice,accordingtothehostformfactor, exposureconditionsandplatformrequirements,toanypartofthebodyorextremityofauser orbystander(see5)ofsection4.1).ToqualifyforSARtestexclusion,thetestseparation distancesappliedmustbefullyexplainedandjustifiedbytheoperatingconfigurationsand exposureconditionsofthetransmitterandapplicablehostplatformrequirements,typicallyin theSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRF exposureKDBprocedures.WhennootherRFexposuretestingorreportingisrequired,a statementofjustificationandcompliancemustbeincludedintheequipmentapproval,inlieuof theSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfied beforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-way radios,handsets,laptops&tabletsetc.23” [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto5)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportable hostplatformexposureconditions.Thegranteeisresponsiblefordocumentingthisaccording toClassIpermissivechangerequirements.AntennasthatqualifyforstandaloneSARtest exclusionmustapplytheestimatedstandaloneSARtodeterminesimultaneoustransmission testexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantenna configuration,adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤ 1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ConductedPeakOutputPower ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) GFSKBLE1M 00.281.07 190.051.01 39-0.080.98 4.ManufacturingTolerance BLE ChannelChannel0Channel19Channel39 Target(dBm)000 Tolerance±(dB)1.01.01.0 5.EvaluationResult Band/Modef(GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW BLE2.48050 1 0.3100<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)in section4.1isappliedtodetermineSARtestexclusion. 6.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolled RFExposureandSARExclusionThresholdperKDB447498v06. ------Endofthereport------

Summary InvertedFAntennaSpecification ITEMANTSPEC ModelName2.4GANT Center Frequency HorizontalVertical 2400MHz 2450MHz 2500MHz2400MHz 2450MHz 2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX.Gain-0.58dBi PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance50Ohm AntennaLength37.38mm AntennatypePCBAntenna ManufactureYichipMicroelectronics(Hangzhou)Co.,Ltd. TestCompanyTATechnology(Shanghai)Co.,Ltd. TestAddressBuilding1,No.400,FangchunRoad,China(Shanghai) PilotFreeTradeZone TestInstrumentKeysightE5071B AntennaPhoto&Length(mm) Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dBi) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dBi) MaxMinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 3DRadiationPattern

ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26010167AE TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of41 TESTREPORT Applicant:ChangshaLingboTechnologyCo.,Ltd. Address: Room705,7thFloor,BlockB,Building1,699QingshanRoad,Yuelu District Manufacturer: ChangshaLingboTechnologyCo.,Ltd. Address: Room705,7thFloor,BlockB,Building1,699QingshanRoad,Yuelu District ProductName:Tripod ModelNumber:LINBER-S30MAX Trademark:N/A FCCID:2BUEU-S30MAX TestDate: Jan.09,2026-Jan.15,2026 DateofReport: Jan.15,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2020 RSS-GenIssue5,Amendment2(February2021) Preparedby(TestEngineer): StenHuang Approved(Manager): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26010167AE TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of41 TABLEOFCONTENT 1.GeneralInformation......................................................................................5 1.1.Customerbasicinformation........................................................................................................................5 1.2.DescriptionofDevice(EUT).......................................................................................................................5 1.3.ChannelList..................................................................................................................................................5 1.4.Summaryoftestresult................................................................................................................................6 1.5.SpecialAccessoriesandAuxiliaryEquipment........................................................................................6 1.6.Testmode......................................................................................................................................................6 1.7.BlockDiagram...............................................................................................................................................6 1.8.TestConditions.............................................................................................................................................7 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................7 1.10.TestFacility..................................................................................................................................................8 1.11.TestEquipment...........................................................................................................................................9 2.Conductedemissionatthemainsterminalstest....................................11 2.1.Limit..............................................................................................................................................................11 2.2.TestSetup....................................................................................................................................................11 2.3.TestProcedure............................................................................................................................................11 2.4.TestResult...................................................................................................................................................12 3.RadiatedSpuriousEmissions...................................................................14 3.1.Limit..............................................................................................................................................................14 3.2.TestSetup....................................................................................................................................................15 3.3.TestProcedure............................................................................................................................................17 3.4.TestResult...................................................................................................................................................18 4.ConductedSpuriousEmissions................................................................23 4.1.Limit..............................................................................................................................................................23 4.2.TestSetup....................................................................................................................................................23 4.3.TestProcedure............................................................................................................................................23 4.4.TestResult...................................................................................................................................................23 5.BandEdgeMeasurement...........................................................................27 5.1.Limit..............................................................................................................................................................27 5.2.Testsetup....................................................................................................................................................27 5.3.TestProcedure............................................................................................................................................27 5.4.TestResult...................................................................................................................................................27 6.-6dBBandwidthand99%BandwidthMeasurement..............................30 6.1.Limit.........................................…

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