2BBPLTELBMK2RSMART WIRELESS LABEL MAKER

TRUSTSTONEGROUP,LLC CoveredEquipmentCertificationAttestationLetter 05/15/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BBPLTELBMK2R TRUSTSTONEGROUP,LLC(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. TRUSTSTONEGROUP,LLC(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecifically namedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. TRUSTSTONEGROUP,LLC (“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedor providedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees,including equipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees) cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01 CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026

TRUSTSTONEGROUP,LLC * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 05/15/2026 TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTN.:ReviewingEngineer FCCID:2BBPLTELBMK2R FRNofapplicant:0033900465 Persection2.911(d)(7)oftheFCCrules,[TRUSTSTONEGROUP,LLC](“theapplicant”) certifiesthattheequipmentforwhichauthorizationissoughtisdesignatedtothefollowingU.S. agent*forserviceofprocess: CompanyName:TRUSTSTONEGROUP,LLC FCCRegistrationNumber(FRN):0033900465 PhysicalU.S.CompanyAddress:1359Broadway,3rdfloor,NewYork,NY10018,United States ContactPerson:MarcFaham AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned:AgentSigned(ifdifferentfromApplicant): Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026 Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026

DATE:05/15/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenEUTestingLaboratoryLimited (101,BuildingB1,FuqiaoFourthArea,QiaotouCommunityFuhaiSubdistrictBaoan District,Shenzhen,China)(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithTRUSTSTONEGROUP,LLC(1359Broadway,3rd floor,NewYork,NY10018,UnitedStates)(ApplicantNameandaddress) Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026

Date05/15/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026

DATE05/15/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:___2BBPLTELBMK2R______ ProductName:___SMARTWIRELESSLABELMAKER___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026

DATE:05/15/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2BBPLTELBMK2R ProductName:SMARTWIRELESSLABELMAKER RequestforShort-TermConfidentiality PursuanttoSections0.457and0.459ofthecommissionrules,andinaccordancewiththeFCCPublicnotice datedJune15,2004(DA04-1705),weherebyrequestshort-termconfidentialityforthefollowingitemspriorto marketingthedevice.: TestSetupPhotos ExternalPhotos InternalPhotos UserManual Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicview foraperiodof180daysfromthedateoftheGrantofEquipmentAuthorizationandpriortomarketing.This istoavoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothe public. Signed: Printedname:MarcFaham Title:Manager CompanyName:TRUSTSTONEGROUP,LLC Date:05/15/2026

TRUSTSTONEGROUP,LLC DeclarationonModelDifferences We, TRUSTSTONEGROUP,LLC 1359Broadway,3rdfloor,NewYork,NY10018,UnitedStates Declarethatthefollowingproduct(s): ProductName:SMARTWIRELESSLABELMAKER ModelNo.:TE-LBMK2R,TE-LBMK2R-WHT,TE-LBMK2R-PNK FCCID:2BBPLTELBMK2R Allmodelsaresamewithelectricalparametersandinternalcircuitstructure,butonlydifferin appearanceandmodelname.Therefore,the(TE-LBMK2R)modelwillbetheprimarytest model. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof NY10018,UnitedStates AuthorizedpersonLocation Name:MarcFaham Position:Manager Dateofissue:2026-05-15 *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

Label Maker Sticker 40*16 mm Transparent SMART WIRELESS LABEL MAKER Batch: 1641 Style No: TE-LBMK2R Battery: 3.7V 1200mAh Input: DC5V 1A Product Dimensions: 82.5*83*39.8MM FCC ID :2BBPLTELBMK2R Made in China 05/2026 TRUSTSTONE GROUP LLC 1359 Broadway, 3rd Floor | New York NY 10018

RFEXPOSUREEVALUATION FCCID:2BBPLTELBMK2R AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) RadiationasspecifiedinKDB447498D01: RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. BLE: Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTune UpPower (dBm) Distance (mm) Calculation results Limit Operating Mode 2402-1.89-1.89±1-0.8950.2533 BLE2440-0.32-0.32±10.6850.3653 24800.720.72±11.7250.4683 TestResults:PASS.

TESTREPORT ReportNo.:8430EU122303W Applicant:TRUSTSTONEGROUP,LLC Address:1359Broadway,3rdfloor,NewYork,NY10018,United States ProductName:SMARTWIRELESSLABELMAKER ModelNo.:TE-LBMK2R(refertoclause2.4) Trademark:N/A FCCID:2BBPLTELBMK2R TestStandard(s):47CFRPart15.247 TestResult:Pass DateofReceipt:Apr.23,2026 TestDate:Apr.23,2026-May11,2026 DateofIssue:May13,2026 ISSUEDBY: SHENZHENEUTESTINGLABORATORYLIMITED Preparedby:ReviewedandApprovedby: PeachZheng/EngineerSallyZhang/Manager Page2of56ReportNo.:8430EU122303W TRFVersion:A01 RevisionRecord ReportVersionIssuedDateDescriptionStatus V0May13,2026OriginalValid Page3of56ReportNo.:8430EU122303W TRFVersion:A01 TableofContents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION........................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION...........................................................................................................5 2.3FACTORYINFORMATION......................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T....................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................8 4TESTCONFIGURATION...........................................................................................................................9 4.1TESTENVIRONMENT...........................................................................................................................9 4.2TESTEQUIPMENT...............................................................................................................................9 4.3DESCRIPTIONOFSUPPORTUNIT......................................................................................................11 4.4TESTMODE.....................................................................................................................................11 4.5DESCRIPTIONOFCALCULATION........................................................................................................11 4.5.1FieldStrengthCalculation..................................................................................................11 4.5.2DisturbanceCalculation.....................................................................................................11 4.6MEASUREMENTUNCERTAINTY..........................................................................................................12 4.7DEVIATIONFROMSTANDARDS..........................................................................................................12 4.8ABNORMALITIESFROMSTANDARDCONDITION..................................................................................12 5EVALUATIONRESULTS(EVALUATION)..............................................................................................13 5.1ANTENNAREQUIREMENT..................................................................................................................13 5.1.1TestSpecification...............................................................................................................13 5.1.2TestData............................................................................................................................13 6RADIOSPECTRUMMATTERTESTRESULTS(RF)............................................................................14 6.1CONDUCTEDEMISSIONATACPOWERLINE......................................................................................14 6.1.1TestSpecification...............................................................................................................14 6.1.2E.U.T.Operation.................................................................................................................14 6.1.3TestSetupDiagram...........................................................................................................14 6.1.4TestData............................................................................................................................14 6.26DBBANDWIDTH.............................................................................................................................17 6.2.1TestSpecification...............................................................................................................17 6.2.2E.U.T.Operation.................................................................................................................17 6.2.3TestSetupDiagram...........................................................................................................18 6.2.4TestData............................................................................................................................18 6.3MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................19 6.3.1TestSpecification...............................................................................................................19 6.3…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dB PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) 1.57mm ▼ Address:No. 333 Kexing Road, Xiangzhou District, Zhuhai Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.