2A8WK-CLFD02CATLINK Automatic Feeder- FRESH 2

-ShanghaiCatlinkIntelligentTechnologyCo.,Ltd- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCCwithin30daysvia thegrantingTCB. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 2/26/24 NameandcompanyofU.S.agent:LinkwldLLC PhysicalU.S.addressofagent:1942BroadwaySt.STE314C,Boulder,CO,80302,US FRNofU.S.agent:0033625682 EmailaddressofU.S.agent:[email protected] Linkwld LLC acknowledges their obligation to accept service of process on behalf of Shanghai Catlink Intelligent Technology Co.,Ltd. Shanghai Catlink Intelligent Technology Co.,Ltd with the FRN [0032968091] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRas wellas KDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeis obligatedtonotifytheFCCwithin30daysviathegranting U.S.AgentDesignation Shanghai Catlink Intelligent Technology Co.,Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought FCC ID: 2A8WK-CLFD02 TCB. Sincerely, Signature [Name]Connor He [Title]Project Manager [Company]Shanghai Catlink Intelligent Technology Co.,Ltd Signature [NameofU.S.agent]TimothyZhu [TitleofU.S.agent]Manager [CompanyofU.S.agent]LinkwldLLC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 4

ShanghaiCatlinkIntelligentTechnologyCo.,Ltd 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd Address:No.800Naxianroad,Pudongnewdistrict,Shanghai,China ProductName:CATLINKAutomaticFeeder-FRESH2 FCCID:2A8WK-CLFD02 Model(s):CL-FD-02,CL-FD-01,CL-FD-03,CL-FD-04,CL-FD-05,CL-FD-06,CL-FD-07,CL-FD-08, CL-FD-09 2.911(d)(5)(i)EquipmentType We,[ShanghaiCatlinkIntelligentTechnologyCo.,Ltd](“theapplicant”)certifythattheequipmentfor whichauthorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:JingwenHeDate:2024-09-02 TitleandCompanyname:ProjectManager/ShanghaiCatlinkIntelligentTechnologyCo.,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

ShanghaiCatlinkIntelligentTechnologyCo.,Ltd 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd Address:No.800Naxianroad,Pudongnewdistrict,Shanghai,China ProductName:CATLINKAutomaticFeeder-FRESH2 FCCID:2A8WK-CLFD02 Model(s):CL-FD-02,CL-FD-01,CL-FD-03,CL-FD-04,CL-FD-05,CL-FD-06,CL-FD-07,CL-FD-08, CL-FD-09 2.911(d)(5)(ii)Applicantfiling We,[Insertapplicantname](“theapplicant”)certifythat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedonthe“CoveredList”,establishedpursuantto§1.50002ofthis chapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:JingwenHeDate:2024-09-02 TitleandCompanyname:ProjectManager/ShanghaiCatlinkIntelligentTechnologyCo.,Ltd “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

ShanghaiCatlinkIntelligentTechnologyCo.,Ltd AgentAuthorization Company:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd Address:No.800Naxianroad,Pudongnewdistrict,Shanghai,China ProductName:CATLINKAutomaticFeeder-FRESH2 ModelNumber(s):CL-FD-02,CL-FD-01,CL-FD-03,CL-FD-04,CL-FD-05,CL-FD-06, CL-FD-07,CL-FD-08,CL-FD-09 ProductDescription:CATLINKAutomaticFeeder-FRESH2 WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024-09-02 Name:JingwenHe Title:ProjectManager Company:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd

ShanghaiCatlinkIntelligentTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-09-02 Subject;RequestforConfidentiality FCCID:2A8WK-CLFD02 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription SWSECURITYDESCRIPTION PartsList Tuneup 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:JingwenHe Title:ProjectManager

ShanghaiCatlinkIntelligentTechnologyCo.,Ltd DeclarationonModelDifferences We, ShanghaiCatlinkIntelligentTechnologyCo.,Ltd No.800Naxianroad,Pudongnewdistrict,Shanghai,China Declarethatthefollowingproduct(s): FCCID:2A8WK-CLFD02 ProductName:CATLINKAutomaticFeeder-FRESH2 ModelNo.:CL-FD-02,CL-FD-01,CL-FD-03,CL-FD-04,CL-FD-05,CL-FD-06,CL-FD-07, CL-FD-08,CL-FD-09 Utilizetheidenticalcircuitdesign,PCBlayout,shieldingandinterfacewith(CL-FD-02),only themodelnamedifferent.Thereforethisapplicationcanberegardedasidenticalin performancetothesubmittedtestsample. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Authorizedperson Name:JingwenHe Position:ProjectManager Dateofissue:2024-09-02 *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

LabelLocationOnEUT Label ProductName:CATLINKAutomaticFeeder-FRESH2 ModelNo.:CLFD02 FCCID:2A8WK-CLFD02 IC:30445-CLFD02A ThisdevicecomplieswithPart15oftheFCCRules.Operationis subjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2) Thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation.

RFEXPOSUREEVALUATION KDB447498D01MobileandPortableDevicesRFExposureProceduresand EquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b) EUTSpecification FCCID 2A8WK-CLFD02 EUTCATLINKAutomaticFeeder-FRESH2 Frequencyband(Operating)BT:2.402GHz~2.480GHz BLE:2.402GHz~2.480GHz WLAN:2.412GHz~2.462GHz RLAN:5.180GHz~5.240GHz RLAN:5.260GHz~5.320GHz RLAN:5.500GHz~5.700GHz RLAN:5.745GHz~5.825GHz Others:RFID:125kHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure(S=5mW/cm2) GeneralPopulation/Uncontrolledexposure(S=1mW/cm2) AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Antennagain(Max)BTBLE:2dBi Wi-Fi2.4G:5.1dBi RFID:0dBi EvaluationappliedMPEEvaluation SAREvaluation LimitsforMaximumPermissibleExposure(MPE) Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) Power Density(mW/cm 2 ) Average Time (A)LimitsforOccupational/ControlExposures 300-1500----F/3006 1500-100000----56 (B)LimitsforGeneralPopulation/UncontrolExposures 300-1500----F/15006 1500-100000----130 Friistransmissionformula:Pd=(Pout*G)\(4*pi*R2) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainMw G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantenna andtotalpowerinputtotheantenna,throughthecalculation,wewillknowthe distancewheretheMPElimitisreached. MaxMeasurementResult OperatingMode E-Fieldstrength (dBμV/m) MaxOutputpower (dBm) NFC46.97-48.23 MaxOutputpower=E-Fieldstrength-95.2=46.97-95.2=-48.23dBm Note:EIRP(dBm)=E(dBμV/m)-95.2 OperatingMode Measured Power Tuneup tolerance Max.Tune upPower Antenna Gain Power densityat 20cm Power densityLimits (mW/cm2) (dBm)(dBm)(dBm)(dBi)(mW/cm2) BLE1.471.47±12.4720.00061 WiFi2.4G 15.7715.77±116.775.10.03061 NFC-48.23-48.23±1-47.350 0.00001891 No.ApplicableSimultaneousTransmission 1.BLE+WiFi2.4G+RFID TheMaximumsimultaneoustransmissionforBLE+WiFi2.4G+RFID: =S BLE /S limit-BLE +S WiFi2.4G /S limit-2.4+ S RFID /S RFID =0.0006/1+0.0306/1+0.0000189/1 =0.0312189 <1.0 Result:NoStandaloneSARtestisrequired.

ReportNo.:182514C400003103FCCID:2A8WK-CLFD02Page1of25 Code:AB-RF-05-b FCCTestReport Applicant: ShanghaiCatlinkIntelligentTechnology Co.,Ltd Address: No.800Naxianroad,Pudongnewdistrict, Shanghai,China ProductName:CATLINKAutomaticFeeder-FRESH2 ReportDate:Aug.30,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182514C400003103FCCID:2A8WK-CLFD02Page2of25 Code:AB-RF-05-b Contents 1.GeneralInformation...........................................................................................................................................5 1.1.ClientInformation....................................................................................................................................5 1.2.DescriptionofDevice(EUT)..................................................................................................................5 1.3.AuxiliaryEquipmentUsedDuringTest................................................................................................6 1.4.DescriptionofTestConfiguration.........................................................................................................6 1.5.DescriptionOfTestSetup......................................................................................................................7 1.6.TestEquipmentList.................................................................................................................................8 1.7.MeasurementUncertainty.....................................................................................................................9 1.8.DescriptionofTestFacility.....................................................................................................................9 1.9.Disclaimer...............................................................................................................................................10 2.SummaryofTestResults................................................................................................................................11 3.ConductedEmissionTest................................................................................................................................12 3.1.TestStandardandLimit.......................................................................................................................12 3.2.TestSetup...............................................................................................................................................12 3.3.TestProcedure.......................................................................................................................................12 3.4.TestData.................................................................................................................................................12 4.RadiationSpuriousEmission.........................................................................................................................15 4.1.TestStandardandLimit.......................................................................................................................15 4.2.TestSetup...............................................................................................................................................15 4.3.TestProcedure.......................................................................................................................................16 4.4.TestData.................................................................................................................................................16 5.20DBOccupyBandwidthTest........................................................................................................................23 5.1.TestStandardandLimit.......................................................................................................................23 5.2.TestSetup...............................................................................................................................................23 5.3.TestProcedure.......................................................................................................................................23 5.4.TestData.................................................................................................................................................23 6.AntennaRequirement......................................................................................................................................24 6.1.TestStandardandRequirement.........................................................................................................24 6.2.AntennaConnectedConstruction......................................................................................................24 APPENDIXI--TESTSETUPPHOTOGRAPH................................................................................................25 APPENDIXII--EXTERNALPHOTOGRAPH..................................................................................................25 APPENDIXIII--INTERNALPHOTOGRAPH..................................................................................................25 ReportNo.:182514C400003103FCCID:2A8WK-CLFD02Page4of25 Code:AB-RF-05-b RevisionHistory ReportVersionDescriptionIssuedDate R00OriginalIssue.Aug.30,2024 ReportNo.:182514C400003103FCCID:2A8WK-CLFD02Page5of25 Code:AB-RF-05-b 1.GeneralInformation 1.1.ClientInformation Applicant:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd Address:No.800Naxianroad,Pudongnewdistrict,Shanghai,China Manufacturer:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd Address:No.800Naxianroad,Pudongnewdistrict,Shanghai,China Factory:ShanghaiCatlinkIntelligentTechnologyCo.,Ltd Address:No.800Naxianroad,Pudongnewdistrict,Shanghai,China 1.2.DescriptionofDevice(EUT) ProductName:CATLINKAutomaticFeeder-FRESH2 TestModelNo.:CL-FD-02 ReferenceModelNo.: CL-FD-01,CL-FD-03,CL-FD-04,CL-FD-05,CL-FD-06,CL-FD-07, CL-FD-08,CL-FD-09 (Note:Allsamplesarethesameexceptthemodelnumber,sowep…

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CoilSpecifications Specifications ModelF04feedercoil Material0.3mmsinglestrandenameledwire DimensionsInnerdiameter154*178mm Height2mm Inductance700uH LeadLength200mm