2BEWXSC399ASmart camera

Zhejiang Lingzhu Technology Co., Ltd.

Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Jan 12, 2026
Application Purpose: Original Equipment
Equipment Note: Smart camera
Frequency Range: 2402.00000000 - 2480.00000000
Company: Zhejiang Lingzhu Technology Co., Ltd.
Country: China

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Attestation Statements

ZhejiangLingzhuTechnologyCo.,Ltd. Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Jan.7,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BEWXSC399A ProductName:Smartcamera Thisletterservesasanattestationthattheequipmentidentifiedaboveisnot(selectone)"covered"software asdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,asoutlined inFCC22-84andKDB986446. 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, PrintedName:LinyunLi Title:Manager Address:Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China Tel.:0571-86581786 Email:[email protected] ZhejiangLingzhuTechnologyCo.,Ltd. Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China 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

Attestation Statements

ZhejiangLingzhuTechnologyCo.,Ltd. Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:1/7/2026 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BEWXSC399A ZhejiangLingzhuTechnologyCo.,Ltd.certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002ofreferencechapter, asanentityproducing“covered”communicationequipment.Theequipmentforwhichauthorizationis soughtisnot“covered”telecommunicationsequipmentandvideosurveillanceequipmentproducedby entitiesidentifiedontheCommission’sCoveredListthatprohibitedfromreceivinganequipment authorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, PrintedName:LinyunLi Title:Manager Address:Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China Tel.:0571-86581786 Email:[email protected]

Attestation Statements

ZhejiangLingzhuTechnologyCo.,Ltd. 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:ZhejiangLingzhuTechnologyCo.,Ltd. Address:Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China FCCID:2BEWXSC399A 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[ZhejiangLingzhuTechnologyCo.,Ltd.]designate[LinkwldLLC] NOTE1 forthe purposeofacceptingserviceofprocessonbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgentApplicant Companyname:LinkwldLLCCompanyname:ZhejiangLingzhu TechnologyCo.,Ltd. USAAddress:7595TechnologyWaySte 100,Denver,CO80237,US Address:Room302,No1BuildingHuace Center,XihuDistrict,Hangzhou,China FRNNumber:0033625682GranteeFRNNumber:0034841213 ContactName:TimothyZhuFCCGranteeCode:2BEWX TelephoneNo:(747)717-2691ContactName:LinyunLi Email:[email protected]:0571-86581786 Email:[email protected] Signature: Title:Manager Signature: Title:Manager Date:2025-12-25Date:2025-12-25 ZhejiangLingzhuTechnologyCo.,Ltd. 2.911(d)(7)USAAgentv1.5 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

Cover Letter(s)

ZhejiangLingzhuTechnologyCo.,Ltd. Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China 1/7/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BEWXSC399A PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  BlockDiagram Schematics  OperationalDescription PartsList  FCCSoftwareSecurityRequirementsforUNIIdevicesRev1.0 Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired. UserManual  InternalPhotos ExternalPhotos  TestSetupPhotos Sincerely, Title:Manager Address:Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China Tel.:0571-86581786 Email:[email protected]

Cover Letter(s)

ZhejiangLingzhuTechnologyCo.,Ltd. Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China 2026/1/7 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BEWXSC399A I,theundersigned,herebyauthorize(ShenzhenAnbotekComplianceLaboratoryLimited.)toactonour behalfinallmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenAnbotekComplianceLaboratoryLimited.)shallhavethesameeffectas ourownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsof certification,asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Zhejiang LingzhuTechnologyCo.,Ltd.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, PrintedName:LinyunLi Title:Manager Tel.:0571-86581786 Fax:0571-86581786 Email:[email protected]

Cover Letter(s)

ZhejiangLingzhuTechnologyCo.,Ltd. Room302,No1BuildingHuaceCenter,XihuDistrict,Hangzhou,China ProductSimilarityDeclaration Productname:Smartcamera Modelname:SC399-WBA4,SC399-WBA4A,SC399-WBA4B, SC399-WBA4C, SC399-WBA4D,SC399-WBA4E,SC399-WBA4F,SC399-WBA4G FCCID:2BEWXSC399A We(ZhejiangLingzhuTechnologyCo.,Ltd.)herebystatethatallthe modelsareelectricalidenticalincludingthesamesoftwareparameter andhardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,componentson PCB,etc.,),samemechanicalstructureanddesign(includingproduct enclosure,materials,etc.,),theonlydifferenceisthemodelname. Signature: Name:LinyunLi Title:Manager Date:Jan.7,26

ID Label/Location Info

LabelLocationOnEUT Confirmtheuseofrealappearancephotosasreferences Label

RF Exposure Info

RFEXPOSUREEVALUATION KDB447498D01MobileandPortableDevicesRFExposureProceduresand EquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b) EUTSpecification FCCID2BEWXSC399A EUT Smartcamera Frequencyband(Operating)BT:2.402GHz~2.480GHz WLAN:2.412GHz~2.462GHz RLAN:5.180GHz~5.240GHz RLAN:5.260GHz~5.320GHz RLAN: 5.500 GHz~ 5.700 GHz RLAN:5.745GHz~5.825GHz Others: DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure(S=5mW/cm2) GeneralPopulation/Uncontrolledexposure(S=1mW/cm2) AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Antennagain(Max)BT:2.24dBi Wi-Fi2.4G:2.24dBi Wi-Fi5.2G:1.42dBi Wi-Fi5.3G:1.42dBi Wi-Fi5.8G:1.51dBi 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 Measured Power Tuneup tolerance Max.Tune upPower Antenna Gain Power densityat 20cm Power densityLimits (mW/cm 2 ) (dBm)(dBm)(dBm)(dBi)(mW/cm 2 ) BLE1.611.61±12.612.240.00061 WiFi2.4G14.6514.65±115.652.240.01221 WiFi5.2G14.6214.62 ±1 15.621.420.01011 WiFi5.3G14.3214.32±115.321.420.00941 WiFi5.8G13.9413.94±114.941.510.00881 Result:PASS.

Test Report

Antena Test Report 专业的4G/3G/GPS/WIFI等天线方案设计及供应商 Test system Series N/A Antenna PA Shunt 01 N/A Shunt 02 N/A LocationDescriptionVendor Shunt 01N/AN/A SeriesN/AN/A Shunt 02N/AN/A Antenna Matching Network The motherboard circuit has not been modified Size: 3cm*1cm S11 SWR /Smith/ Log Mag 频率（MHZ） 2400 2450250051505300550057005850 驻波比 1.531.271.041.291.291.821.711.32 频率（MHZ） 2400 2450250051505300550057005850 阻抗 32.6Ω39.3Ω48.2Ω64.1Ω52.9Ω24.1Ω31.1Ω40.2Ω 频率（MHZ） 2400 2450250051505300550057005850 回损 -13.4-18.4-24-17.6-17.9-9.14-11.5-17.1 Gain & Efficiency Frequency (MHz) Efficiency (%) Peak GAIN (dBi) 2400 44.261.73 2450 44.392.11 2500 45.122.24 5150 43.171.13 5550 42.641.42 5850 43.561.51 6 WIFI OTA Data 2.4G 802.11b，(2.4G)11M ChannelCH1CH6CH11 TRP12.5113.3012.86 TIS -77.23-76.90-76.58 5G 802.11a，54M ChannelCH36CH60CH161 TRP11.4710.5810.35 TIS -68.13-68.12-68.19 Thanks

Test Report

ReportNo.:1812C50513512501-01 Page 1 of 33 AppendixTestData ReportNo.:1812C50513512501-01TestSampleNo.:1-2-2 StartTestDate:2025-10-17FinishTestDate:2025-10-20 TestEngineer:Auditor: Temperature:27°CRelativeHumidity:47% Pressure:101kPa AppendixA:6dBBandwidth TestResult Test Mode AntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.722401.622402.340.5PASS BLE_1MAnt124400.702439.662440.360.5PASS BLE_1MAnt124800.702479.652480.350.5PASS BLE_2MAnt124021.322401.352402.680.5PASS BLE_2MAnt124401.162439.422440.580.5PASS BLE_2MAnt124801.282479.332480.600.5PASS ReportNo.:1812C50513512501-01 Page 2 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50513512501-01 Page 3 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C50513512501-01 Page 4 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50513512501-01 Page 5 of 33 AppendixB:99%OccupiedBandwidth TestResult Test Mode AntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.12692401.44862402.5754------ BLE_1MAnt124401.18282439.42062440.6034------ BLE_1MAnt124801.24282479.40862480.6513------ BLE_2MAnt124022.08192400.98102403.0629------ BLE_2MAnt124402.10592438.96102441.0669------ BLE_2MAnt124802.13392478.94512481.0789------ ReportNo.:1812C50513512501-01 Page 6 of 33 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.:1812C50513512501-01 Page 7 of 33 BLE_1M-Ant1-2480 BLE_2M-Ant1-2402 ReportNo.:1812C50513512501-01 Page 8 of 33 BLE_2M-Ant1-2440 BLE_2M-Ant1-2480 ReportNo.:1812C50513512501-01 Page 9 of 33 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode Antenna Frequency [MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt124021.59≤30PASS BLE_1MAnt124401.27≤30PASS BLE_1MAnt124800.54≤30PASS BLE_2MAnt124021.61≤30PASS BLE_2MAnt124401.32≤30PASS BLE_2MAnt124800.61≤30PASS ReportNo.:1812C50513512501-01 Page 10 of 33 TestGraphsPeak BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50513512501-01 Page 11 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C50513512501-01 Page 12 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50513512501-01 Page 13 of 33 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-14.47≤8.00PASS BLE_1MAnt12440-14.68≤8.00PASS BLE_1MAnt12480-15.70≤8.00PASS BLE_2MAnt12402-17.86≤8.00PASS BLE_2MAnt12440-17.45≤8.00PASS BLE_2MAnt12480-18.06≤8.00PASS ReportNo.:1812C50513512501-01 Page 14 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50513512501-01 Page 15 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C50513512501-01 Page 16 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50513512501-01 Page 17 of 33 AppendixE:Bandedgemeasurements TestResult Test Mode AntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low24020.42-48.86≤-19.58PASS BLE_1MAnt1High24800.26-49.16≤-19.74PASS BLE_2MAnt1Low2402-1.66-34.83≤-21.66PASS BLE_2MAnt1High2480-2.68-52.29≤-22.68PASS ReportNo.:1812C50513512501-01 Page 18 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1812C50513512501-01 Page 19 of 33 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50513512501-01 Page 20 of 33 AppendixF:ConductedSpuriousEmission TestResult Test Mode Antenna Frequency [MHz] Freq.Range [MHz] Ref. Level [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt124020~Reference0.240.24---PASS BLE_1MAnt1240230~10000.24-58.38≤-19.76PASS BLE_1MAnt124021000~265000.24-39.24≤-19.76PASS BLE_1MAnt124400~Reference0.400.40---PASS BLE_1MAnt1244030~10000.40-60.64≤-19.6PASS BLE_1MAnt124401000~265000.40-39.83≤-19.6PASS BLE_1MAnt124800~Reference-0.18-0.18---PASS BLE_1MAnt1248030~1000-0.18-63.64≤-20.18PASS BLE_1MAnt124801000~26500-0.18-39.51≤-20.18PASS BLE_2MAnt124020~Reference-1.62-1.62---PASS BLE_2MAnt1240230~1000-1.62-59.38≤-21.62PASS BLE_2MAnt124021000~26500-1.62-41.17≤-21.62PASS BLE_2MAnt124400~Reference-0.32-0.32---PASS BLE_2MAnt1244030~1000-0.32-59.91≤-20.32PASS BLE_2MAnt124401000~26500-0.32-39.69≤-20.32PASS BLE_2MAnt124800~Reference-0.92-0.92---PASS BLE_2MAnt1248030~1000-0.92-58.4≤-20.92PASS BLE_2MAnt124801000~26500-0.92-39.58≤-20.92PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosshavebeensetinthe 'TDF'oftheSpectrumAnalyzerduringthetest. ReportNo.:1812C50513512501-01 Page 21 of 33 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS ReportNo.:1812C50513512501-01 Page 22 of 33 BLE_1M-Ant1-2402-1000~26500-PASS BLE_1M-Ant1-2440-0~Reference-PASS ReportNo.:1812C50513512501-01 Page 23 of 33 BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS ReportNo.:1812C50513512501-01 Page 24 of 33 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS ReportNo.:1812C50513512501-01 Page 25 of 33 BLE_1M-Ant1-2480-1000~26500-PASS BLE_2M-Ant1-2402-0~Reference-PASS ReportNo.:1812C50513512501-01 Page 26 of 33 BLE_2M-Ant1-2402-30~1000-PASS BLE_2M-Ant1-2402-1000~26500-PASS ReportNo.:1812C50513512501-01 Page 27 of 33 BLE_2M-Ant1-2440-0~Reference-PASS BLE_2M-Ant1-2440-30~1000-PASS ReportNo.:1812C50513512501-01 Page 28 of 33 BLE_2M-Ant1-2440-1000~26500-PASS BLE_2M-Ant1-2480-0~Reference-PASS ReportNo.:1812C50513512501-01 Page 29 of 33 BLE_2M-Ant1-2480-30~1000-PASS BLE_2M-Ant1-2480-1000~26500-PASS ReportNo.:1812C50513512501-01 Page 30 of 33 AppendixG:DutyCycle TestResult TestModeAntenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124022.132.5184.860.71 BLE_1MAnt124402.132.5184.860.71 BLE_1MAnt124802.132.5184.860.71 BLE_2MAnt124021.082.5043.203.65 BLE_2MAnt124401.082.5043.203.65 BLE_2MAnt124801.082.5043.203.65 ReportNo.:1812C50513512501-01 Page 31 of 33 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 ReportNo.:1812C50513512501-01 Page 32 of 33 NTNV-BLE_1M-Ant1-2480 NTNV-BLE_2M-Ant1-2402 ReportNo.:1812C50513512501-01 Page 33 of 33 NTNV-BLE_2M-Ant1-2440 NTNV-BL…

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Test Report

Page 1 of 33 FCC Test Report Report No.:1812C50513512501 Applicant:Zhejiang Lingzhu Technology Co., Ltd. Address: Room 302, No 1 Building Huace Center, Xihu District, Hangzhou, China Product Name:Smart camera Report Date:2026-01-07 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# Report No.:1812C50513512501Page 2 of 33 FCC ID: 2BEWXSC399A Contents 1. General Information ...............................................................................................................................6 1.1. Client Information ........................................................................................................................6 1.2. Description of Device (EUT) ........................................................................................................6 1.3. Auxiliary Equipment Used During Test........................................................................................7 1.4. Operation channel list..................................................................................................................7 1.5. Description of Test Modes...........................................................................................................7 1.6. Measurement Uncertainty ...........................................................................................................8 1.7. Additional Instructions .................................................................................................................8 1.8. Test Summary .............................................................................................................................9 1.9. Description of Test Facility ........................................................................................................10 1.10. Disclaimer................................................................................................................................10 1.11. Test Equipment List.................................................................................................................11 2. Antenna requirement ...........................................................................................................................13 2.1. Conclusion.................................................................................................................................13 3. Conducted Emission at AC power line ................................................................................................14 3.1. EUT Operation ..........................................................................................................................14 3.2. Test Setup .................................................................................................................................14 3.3. Test Data ...................................................................................................................................15 4. 6dB Bandwidth ....................................................................................................................................17 4.1. EUT Operation ..........................................................................................................................17 4.2. Test Setup .................................................................................................................................17 4.3. Test Data ...................................................................................................................................17 5. Maximum Conducted Output Power....................................................................................................18 5.1. EUT Operation ..........................................................................................................................18 5.2. Test Setup .................................................................................................................................18 5.3. Test Data ...................................................................................................................................18 6. Power Spectral Density .......................................................................................................................19 6.1. EUT Operation ..........................................................................................................................19 6.2. Test Setup .................................................................................................................................19 6.3. Test Data ...................................................................................................................................19 7. Emissions in non-restricted frequency bands ......................................................................................20 7.1. EUT Operation ..........................................................................................................................20 7.2. Test Setup .................................................................................................................................20 7.3. Test Data ...................................................................................................................................20 8. Band edge emissions (Radiated) ........................................................................................................21 8.1. EUT Operation ..........................................................................................................................21 8.2. Test Setup .................................................................................................................................22 8.3. Test Data ...................................................................................................................................23 9. Emissions in restricted frequency bands (below 1GHz) ......................................................................24 9.1. EUT Ope…

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Test Report

ReportNo.:1812C50513512502-01 Page 1 of 86 AppendixTestData ReportNo.:1812C50513512502-01TestSampleNo.:1-2-2 StartTestDate:2025-10-17FinishTestDate:2025-10-20 TestEngineer:Auditor: Temperature:27°CRelativeHumidity:47% Pressure:101kPa AppendixA:6dBBandwidth TestResult TestModeAntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11BAnt1241210.202406.882417.080.5PASS 11BAnt1243710.122432.002442.120.5PASS 11BAnt1246210.202456.882467.080.5PASS 11GAnt1241216.362403.842420.200.5PASS 11GAnt1243716.242429.002445.240.5PASS 11GAnt1246216.242453.922470.160.5PASS 11N20SISOAnt1241217.402403.242420.640.5PASS 11N20SISOAnt1243717.362428.362445.720.5PASS 11N20SISOAnt1246217.762453.122470.880.5PASS 11N40SISOAnt1242236.402403.602440.000.5PASS 11N40SISOAnt1243736.002418.922454.920.5PASS 11N40SISOAnt1245235.602434.162469.760.5PASS 11AX20SISOAnt1241218.682402.602421.280.5PASS 11AX20SISOAnt1243718.402427.522445.920.5PASS 11AX20SISOAnt1246218.722452.602471.320.5PASS 11AX40SISOAnt1242238.002402.882440.880.5PASS 11AX40SISOAnt1243737.202418.762455.960.5PASS 11AX40SISOAnt1245237.522433.442470.960.5PASS ReportNo.:1812C50513512502-01 Page 2 of 86 TestGraphs 11B-Ant1-2412-PASS 11B-Ant1-2437-PASS ReportNo.:1812C50513512502-01 Page 3 of 86 11B-Ant1-2462-PASS 11G-Ant1-2412-PASS ReportNo.:1812C50513512502-01 Page 4 of 86 11G-Ant1-2437-PASS 11G-Ant1-2462-PASS ReportNo.:1812C50513512502-01 Page 5 of 86 11N20SISO-Ant1-2412-PASS 11N20SISO-Ant1-2437-PASS ReportNo.:1812C50513512502-01 Page 6 of 86 11N20SISO-Ant1-2462-PASS 11N40SISO-Ant1-2422-PASS ReportNo.:1812C50513512502-01 Page 7 of 86 11N40SISO-Ant1-2437-PASS 11N40SISO-Ant1-2452-PASS ReportNo.:1812C50513512502-01 Page 8 of 86 11AX20SISO-Ant1-2412-PASS 11AX20SISO-Ant1-2437-PASS ReportNo.:1812C50513512502-01 Page 9 of 86 11AX20SISO-Ant1-2462-PASS 11AX40SISO-Ant1-2422-PASS ReportNo.:1812C50513512502-01 Page 10 of 86 11AX40SISO-Ant1-2437-PASS 11AX40SISO-Ant1-2452-PASS ReportNo.:1812C50513512502-01 Page 11 of 86 AppendixB:99%OccupiedBandwidth TestResult TestModeAntenna Channel Frequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11BAnt1241213.9462405.04702418.9930------ 11BAnt1243713.9462430.04702443.9930------ 11BAnt1246213.9862455.00702468.9930------ 11GAnt1241216.2242403.92812420.1518------ 11GAnt1243716.3042428.88812445.1918------ 11GAnt1246216.2642453.84822470.1119------ 11N20SISOAnt1241217.3832403.28872420.6713------ 11N20SISOAnt1243717.3432428.28872445.6314------ 11N20SISOAnt1246217.3432453.28872470.6314------ 11N40SISOAnt1242235.8042404.09792439.9021------ 11N40SISOAnt1243735.9642419.01802454.9820------ 11N40SISOAnt1245235.8042434.01802469.8222------ 11AX20SISOAnt1241218.7012402.60942421.3107------ 11AX20SISOAnt1243718.6612427.60942446.2707------ 11AX20SISOAnt1246218.7012452.56942471.2707------ 11AX40SISOAnt1242237.4032403.29872440.7013------ 11AX40SISOAnt1243737.1632418.37862455.5415------ 11AX40SISOAnt1245237.4032433.29872470.7013------ ReportNo.:1812C50513512502-01 Page 12 of 86 TestGraphs 11B-Ant1-2412 11B-Ant1-2437 ReportNo.:1812C50513512502-01 Page 13 of 86 11B-Ant1-2462 11G-Ant1-2412 ReportNo.:1812C50513512502-01 Page 14 of 86 11G-Ant1-2437 11G-Ant1-2462 ReportNo.:1812C50513512502-01 Page 15 of 86 11N20SISO-Ant1-2412 11N20SISO-Ant1-2437 ReportNo.:1812C50513512502-01 Page 16 of 86 11N20SISO-Ant1-2462 11N40SISO-Ant1-2422 ReportNo.:1812C50513512502-01 Page 17 of 86 11N40SISO-Ant1-2437 11N40SISO-Ant1-2452 ReportNo.:1812C50513512502-01 Page 18 of 86 11AX20SISO-Ant1-2412 11AX20SISO-Ant1-2437 ReportNo.:1812C50513512502-01 Page 19 of 86 11AX20SISO-Ant1-2462 11AX40SISO-Ant1-2422 ReportNo.:1812C50513512502-01 Page 20 of 86 11AX40SISO-Ant1-2437 11AX40SISO-Ant1-2452 ReportNo.:1812C50513512502-01 Page 21 of 86 AppendixC:Maximumconductedoutputpower TestResultAverage Test Mode AntennaFrequency[MHz] Result [dBm] Limit [dBm] Verdict 11BAnt1241214.64≤30.00PASS 11BAnt1243714.65≤30.00PASS 11BAnt1246214.06≤30.00PASS 11GAnt1241214.30≤30.00PASS 11GAnt1243714.48≤30.00PASS 11GAnt1246214.10≤30.00PASS 11N20SISOAnt1241214.12≤30.00PASS 11N20SISOAnt1243714.31≤30.00PASS 11N20SISOAnt1246213.93≤30.00PASS 11N40SISOAnt1242213.98≤30.00PASS 11N40SISOAnt1243714.23≤30.00PASS 11N40SISOAnt1245213.92≤30.00PASS 11AX20SISOAnt1241214.05≤30.00PASS 11AX20SISOAnt1243714.29≤30.00PASS 11AX20SISOAnt1246213.93≤30.00PASS 11AX40SISOAnt1242214.06≤30.00PASS 11AX40SISOAnt1243714.30≤30.00PASS 11AX40SISOAnt1245213.95≤30.00PASS Note：1.Thecablelossarecompensatedinthegraph ReportNo.:1812C50513512502-01 Page 22 of 86 TestGraphsAverage 11B-Ant1-2412-PASS 11B-Ant1-2437-PASS ReportNo.:1812C50513512502-01 Page 23 of 86 11B-Ant1-2462-PASS 11G-Ant1-2412-PASS ReportNo.:1812C50513512502-01 Page 24 of 86 11G-Ant1-2437-PASS 11G-Ant1-2462-PASS ReportNo.:1812C50513512502-01 Page 25 of 86 11N20SISO-Ant1-2412-PASS 11N20SISO-Ant1-2437-PASS ReportNo.:1812C50513512502-01 Page 26 of 86 11N20SISO-Ant1-2462-PASS 11N40SISO-Ant1-2422-PASS ReportNo.:1812C50513512502-01 Page 27 of 86 11N40SISO-Ant1-2437-PASS 11N40SISO-Ant1-2452-PASS ReportNo.:1812C50513512502-01 Page 28 of 86 11AX20SISO-Ant1-2412-PASS 11AX20SISO-Ant1-2437-PASS ReportNo.:1812C50513512502-01 Page 29 of 86 11AX20SISO-Ant1-2462-PASS 11AX40SISO-Ant1-2422-PASS ReportNo.:1812C50513512502-01 Page 30 of 86 11AX40SISO-Ant1-2437-PASS 11AX40SISO-Ant1-2452-PASS ReportNo.:1812C50513512502-01 Page 31 of 86 AppendixD:Maximumpowerspectraldensity TestResult Test Mode Antenna Frequency [MHz] Result [dBm/3kHz] Limit [dBm/3kHz] Verdict 11BAnt12412-15.77≤8.00PASS 11BAnt12437-15.50≤8.00PASS 11BAnt12462-16.57≤8.00PASS 11GAnt12412-13.98≤8.00PASS 11GAnt12437-14.21≤8.00PASS 11GAnt12462-14.67≤8.00PASS 11N20SISOAnt12412-12.83≤8.00PASS 11N20SISOAnt12437-12.63≤8.00PASS 11N20SISOAnt12462-13.09≤8.00PASS 11N40SISOAnt12422-15.90≤8.00PASS 11N40SISOAnt12437-15.46≤8.00PASS 11N40SISOAnt12452-15.80≤8.00PASS 11AX20SISOAnt12412-12.74≤8.00PASS 11AX20SISOAnt12437-12.62≤8.00PASS 11AX20SISOAnt12462-12.89≤8.00PASS 11AX40SISOAnt12422-15.41≤8.00PASS 11AX40SISOAnt12437-15.17≤8.00PASS 11AX40SISOAnt12452-14.81≤8.00PAS…

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Test Report

ReportNo.:1812C50513512502-01 Page 44 of 86 11N20SISO-Ant1-2412-PASS 11N20SISO-Ant1-2462-PASS ReportNo.:1812C50513512502-01 Page 45 of 86 11N40SISO-Ant1-2422-PASS 11N40SISO-Ant1-2452-PASS ReportNo.:1812C50513512502-01 Page 46 of 86 11AX20SISO-Ant1-2412-PASS 11AX20SISO-Ant1-2462…

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Contact Information

Applicant

Linyun Li(Manager)

[email protected]Fax: 0571-86581786

Technical Contact

Linkwld LLCTimothy Zhu

[email protected]

7595 Technology Way Ste 100 · Denver, Colorado, 80237 · United States

Test Firm

Shenzhen Anbotek Compliance Laboratory LimitedJeff Zhu

[email protected]

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	1.40 mW
2	15C	2.41 GHz - 2.46 GHz	29.20 mW

Confidentiality

Long Term

Grant Notes

Power output listed is max conducted power. This device contains 20 and 40 MHz signal bandwidth. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance.

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Attestation Statements

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ID Label/Location Info

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RF Exposure Info

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Test Report

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

Cover Letter(s)

ID Label/Location Info

LabelLocationOnEUT Confirmtheuseofrealappearancephotosasreferences Label

RF Exposure Info

Test Report

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Test Report

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Test Report

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Test Report

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Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	1.40 mW
2	15C	2.41 GHz - 2.46 GHz	29.20 mW

Confidentiality

Long Term

Grant Notes