2BXINWETOXD2WETOX D2 V2L ADAPTER

(WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD) Rev2026-04-24 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:08-06-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)andPart2.911(d)(5)(ii) FCCID:2BXINWETOXD2 Part2.911(d)(5)(i) [WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentanddoesnotcontainanti-virussoftwareor cybersecuritysoftwareprohibitedfromreceivinganequipmentauthorizationpursuantto47CFR2.903, KDB986446D01CoveredEquipmentGuidance,andFCCCoveredList (www.fcc.gov/supplychain/coveredlist). Part2.911(d)(5)(ii) [WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD](“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, XiaofengZhou/CEO WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD

WEIDIAN (HANGZHOU) TECHNOLOGY CO., LTD U.S. Agent Designation for Service of Process - Certification Attestation Letter 08/11/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BXINWETOXD2 Applicant FRN: 0038735080 WEIDIAN (HANGZHOU) TECHNOLOGY CO., LTD certifies that, as of the date of the filing of the application, Global Product Services and Consultation LLCis our designated U.S. agent for service of process for the above referenced FCC ID. WEIDIAN (HANGZHOU) TECHNOLOGY CO., LTD accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion ofany Commission-related proceeding involving the equipment. Global Product Services and ConsultationLLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for serviceofprocess for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Global Product Services and Consultation LLC FCC Registration Number (FRN): 0033406703 Physical U.S. Company Address: 328 W Palm Ave. Monrovia, CA91016 Contact Person: Michael Chan Cell Phone :626-366-4358 Agent Email Address: [email protected] Sincerely, Company: WEIDIAN (HANGZHOU) TECHNOLOGY CO., LTD Designated Agent: Global Product Services and Consultation LLC Company Representative: Xiaofeng Zhou Title: Designated Agent Representative: Michael Chan CEO Signature: Title:Technical Director Signature: Date : 08/11/2026 SC : 6084977

(Weidian （ Hangzhou ） TechnologyCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationof FCCID:2BXINWETOXD2 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName Blockdiagram, Schematic, OperationalDescription Blockdiagram.pdf, Schematic.pdf, OperationalDescription.pdf Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: Short-termconfidentialityrequested:180days ExhibitTypeFileName Internalphotos, Testsetupphotos, UserManual Internalphotos.pdf, Testsetupphotos.pdf, UserManual.pdf Sincerely, XiaofengZhou/CEO2026/08/11 Weidian（Hangzhou）TechnologyCo.,Ltd

( WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD ) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:August06,2026 SUBJECT:FCCApplicationforFCCID:2BXINWETOXD2 ToWhomItMayConcern: We,theundersigned,herebyauthorizeTonyWeiatEMTEK(NINGBO)CO.,LTD.onour behalf,toapplytotheFederalCommunicationsCommissiononourequipment.Anyand allactscarriedoutbyEMTEK(NINGBO)CO.,LTD.onourbehalfshallhavethesame effectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, XiaofengZhou/CEO WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD

ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause undesiredoperation.

FCCID:2BXINWETOXD2 RFEXPOSUREEVALUATION AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)Radiationasspecifiedin §1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) Power Density(mW/cm 2 ) AverageTime (A)LimitsforOccupational/ControlExposures 300-1500----F/3006 1500-100000----56 (B)LimitsforGeneralPopulation/UncontrolExposures 300-1500----F/15006 1500-100000----130 11.1Friistransmissionformula:Pd=(Pout*G)\(4*pi*R 2 ) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainmW G=Numericgainoftheantennarelativetoisotropicantenna Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandtotalpowerinput totheantenna,throughthecalculation,wewillknowthedistancewheretheMPElimitisreached. mW=10^(dBm/10) 11.2MeasurementResult Antennagain:2.338dBi; R=20cm BLE OperationFrequency:2402MHz-2480MHz; Channel Freq. (MHz) modulation Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric Evaluationresult (mW/cm2) Powerdensity Limits (mW/cm2) 2480GFSK1.761.76±12.762.3380.00031 ***EndofReport***

ReportNo.ENB2606180008W00201RPage1of46Ver.1.0 TESTREPORT ProductName:WETOXD2V2LADAPTER ModelNumber:WETOXD2 FCCID:2BXINWETOXD2 Preparedfor:WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD Address:3rdFloor,NorthernSoftwarePark,No.33Xiangyuan Road,GongshuDistrict,Hangzhou,Zhejiang Preparedby:EMTEK(NINGBO)CO.,LTD. Address:No.8,Building8,Lane216,QingyiRoad,Ningbo High-TechZone,Ningbo,Zhejiang,China Tel:+86-574-27907998 Fax:+86-574-27721538 ReportNumber:ENB2606180008W00201R Date(s)ofTests:June18,2026toJuly20,2026 Dateofissue:July20,2026 $ 二维码 $ ReportNo.ENB2606180008W00201RPage2of46Ver.1.0 TableofContents 1TESTRESULTCERTIFICATION......................................................................................................................3 2EUTTECHNICALDESCRIPTION....................................................................................................................5 3SUMMARYOFTESTRESULT...........................................................................................................................6 4TESTMETHODOLOGY......................................................................................................................................7 4.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS.............................................................................7 4.2MEASUREMENTEQUIPMENTUSED.........................................................................................................7 4.3DESCRIPTIONOFTESTMODES.................................................................................................................9 5FACILITIESANDACCREDITATIONS...........................................................................................................10 5.1FACILITIES....................................................................................................................................................10 5.2EQUIPMENT..................................................................................................................................................10 5.3LABORATORYACCREDITATIONSANDLISTINGS...............................................................................10 6TESTSYSTEMUNCERTAINTY......................................................................................................................11 7SETUPOFEQUIPMENTUNDERTEST.........................................................................................................12 7.1RADIOFREQUENCYTESTSETUP1.........................................................................................................12 7.2RADIOFREQUENCYTESTSETUP2.........................................................................................................12 7.3CONDUCTEDEMISSIONTESTSETUP.....................................................................................................15 7.4BLOCKDIAGRAMCONFIGURATIONOFTESTSYSTEM....................................................................16 7.5SUPPORTEQUIPMENT...............................................................................................................................16 8TESTREQUIREMENTS....................................................................................................................................17 8.1DTS6DBBANDWIDTH...............................................................................................................................17 8.2DTS99%BANDWIDTH................................................................................................................................19 8.3MAXIMUMPEAKCONDUCTEDOUTPUTPOWER...............................................................................21 8.4MAXIMUMPOWERSPECTRALDENSITY..............................................................................................23 8.5UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS............................................25 8.6RADIATEDSPURIOUSEMISSION.............................................................................................................31 8.7CONDUCTEDEMISSIONSTEST...............................................................................................................45 8.8ANTENNAAPPLICATION...........................................................................................................................46 ReportNo.ENB2606180008W00201RPage3of46Ver.1.0 1TESTRESULTCERTIFICATION Applicant:WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD Address: 3rdFloor,NorthernSoftwarePark,No.33XiangyuanRoad,Gongshu District,Hangzhou,Zhejiang Manufacturer:WEIDIAN(HANGZHOU)TECHNOLOGYCO.,LTD Address: 3rdFloor,NorthernSoftwarePark,No.33XiangyuanRoad,Gongshu District,Hangzhou,Zhejiang EUT:WETOXD2V2LADAPTER ModelName:WETOXD2 Trademark:N/A MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT FCC47CFRPart2,SubpartJ FCC47CFRPart15,SubpartC PASS TheaboveequipmentwastestedbyEMTEK(SHENZHEN)CO.,LTD.Thetestdata,dataevaluation,test procedures,andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththe proceduresgiveninANSIC63.10(2020)andtheenergyemittedbythesampleEUTtestedasdescribed inthisreportisincompliancewiththerequirementsofFCCRulesPart2,Part15.247,ICRSS-247Issue 4andICRSS-GEN,Issue5. Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport. DateofTest:June18,2026toJuly20,2026 Preparedby: WKLuo/Engineer Reviewer: JuneGao/Supervisor Approved&AuthorizedSigner: TonyWei/Manager ReportNo.ENB2606180008W00201RPage4of46Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary /ENB2606180008W00201R/OriginalReport ReportNo.ENB2606180008W00201RPage5of46Ver.1.0 2EUTTECHNICALDESCRIPTION Characteristics Description Product: WETOXD2V2LADAPTER ModelNumber: WETOXD2 TestSampleS/N:ENB2606180008W002-1-1 VariantNumber:N/A DeviceType： BluetoothV5.1 DataRate: 1Mbps Modulation:GFSK OperatingFrequencyRange:2402-2480MHz NumberofChannels:40Channels AntennaType: PCBAntenna AntennaGain:2.338dBi TestVoltage:DC360V TemperatureRange:-40°C~+50°C SoftwareVersion: N/A HardwareVersion: N/A Note:formo…

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2.4G-2.48G 频段板载 ANT-F-1-2.4G 天线测试报告 2.4G-2.48GANT-F-1-2.4GAntennaSpecification SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.338 AverageGain（dBi）＞-5.5 VSWR＜3.2 Impedance（Ω）50Ω AntennaTypePlannarInvertedFAntennaonboard PolarizationLinear ManufactureShenzhenHuihuaElectronicsCo.,Ltd Address:1701-6,Building4A,HuaqiangCreativeIndustryPark,Intersectionof SightseeingRoadandKetaiRoad,BlueEyeCommunity,GuangmingStreet, GuangmingDistrict,ShenzhenCity,GuangdongProvince TestequipmentShenzhenHongxinTechnologyElectronicsCo.,Ltd 天线无源S参数： AntennapassiveS-parameters: 驻波比（VSWR）、回波损耗（ReturnLoss）及史密斯圆图（Smith） 天线效率及增益： Antennaefficiencyandgain： Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24002.33859.39%-2.915-2.263 24101.60349.11%-3.883-3.088 24201.29546.04%-4.014-3.369 24300.38836.89%-4.91-4.331 24400.18734.00%-5.276-4.685 24500.0231.71%-5.431-4.988 24600.50734.88%-5.02-4.575 24700.29131.89%-5.323-4.963 24800.42932.89%-5.195-4.83 Average0.7839.64%-4.66-4.12 Peak2.33859.39%-2.915-2.263 天线2400MHz2D-ThetaPattern 天线2400MHz2D-PhiPattern 2400MHz3D-TotalPattern