2BVULWXYK-WL01Radio remote control

UserManual WL-MODEL1 Pleasetakeattentionthatchangesormodificationnotexpresslyapprovedbythe partyresponsibleforcompliancecouldvoidtheuser’sauthoritytooperatethe equipment. Theproductisusedin2-functionhigh-powerdrivingequipment,suchasautomobile winch,rollingshutterdoor,etc.Theremotecontrolleruses433.92mhzfrequencyto transmitsignals,thepowersupplyispoweredbyDC12V(23a12V)battery,andthe corresponding433.92mhzreceiverreceivesremotecontrolsignals.Theremote controlleradoptsindependentcodingrules,whichcanbeeffectivelydifferentfrom otherproductsandwillnotproducethesamecodeinterference. Remotecontrolcomponents: 1.Powerswitch 2.Infunctionkey 3.Outfunctionkey 4.Batterylocation 5.Indicatorlight instructions: A.Turnonthepowerswitch1,theindicatorlightisalwayson.B.pressthefunction key2,theindicatorlightflashesandthefunctionisnormal.C.pressthefunction switch3,theindicatorlightflashesandthefunctionisnormal.Afteruse,press powerswitch1againtoturnoffthepower.Iftheremotecontrolisnotusedfor2 minutes,thesystemwillautomaticallyturnoffthepower. FCCCaution. (1)§15.19Labellingrequirements. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustaccept anyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. §15.21Changesormodificationwarning AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance couldvoidtheuser'sauthoritytooperatetheequipment. §15.105Informationtotheuser. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital device,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable protectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoes causeharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturning theequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneor moreof thefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. RFwarningforPortabledevice: ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeused inportableexposureconditionwithoutrestriction. Accordingto§15.247(e)(i)and§1.1307(b)(1),systemsoperatingundertheprovisionsofthis sectionshallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradio frequencyenergylevelinexcessoftheCommission’sguidelines.

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BVULWXYK-WL01 WXYK-WL01, WXYK-WL02, WXYK-WL03, WXYKWL04, WXYK-WL05, WXYK-WL06 We, Applicant Company Name: Ningbo Yonglong Auto&Motor Parts Co., Ltd Address: 101Si Ming East Road Yinjiang, Haishu, Ningbo, Zhejiang, China Phone: +86-18123945317 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-04-30 Signature Date Name / Title: Xiaoqing Diao / Manager Company: Ningbo Yonglong Auto&Motor Parts Co., Ltd Address: 101Si Ming East Road Yinjiang, Haishu, Ningbo, Zhejiang, China Phone: +86-18123945317 Fax: N/A E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2BVULWXYK-WL01 WXYK-WL01, WXYK-WL02, WXYK-WL03, WXYKWL04, WXYK-WL05, WXYK-WL06 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti- virus software Compliance The memory used does not allow the running the cybersecurity and/or anti- virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: MAXLAB Testing Co., Ltd. Contact Name: Harry Chen Address: 1/F, Building B, Xinshidai GR Park,Shiyan Street, Bao'an District, Shenzhen,Guangdong, 518052, People’s Republic of China Phone: +86-15691418608 Email: [email protected] Signature: Date: 2026-04-27

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BVULWXYK-WL01 WXYK-WL01, WXYK-WL02, WXYK-WL03, WXYKWL04, WXYK-WL05, WXYK-WL06 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-04-30 Signature Date Name / Title: Xiaoqing Diao / Manager Company: Ningbo Yonglong Auto&Motor Parts Co., Ltd Address: 101Si Ming East Road Yinjiang, Haishu, Ningbo, Zhejiang, China Phone: +86-18123945317 Fax: N/A E-Mail: [email protected]

Ningbo Yonglong Auto&Motor Parts Co., Ltd 101Si Ming East Road Yinjiang, Haishu, Ningbo, Zhejiang, China Date: April 30, 2026 FCC ID: 2BVULWXYK-WL01 Model Number: WXYK-WL01, WXYK-WL02, WXYK-WL03, WXYKWL04, WXYK-WL05, WXYK-WL06 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Ningbo Yonglong Auto&Motor Parts Co., Ltd hereby declare that our product (Radio remote control) Model Number: WXYK-WL01, WXYK-WL02, WXYK-WL03, WXYKWL04, WXYK-WL05, WXYK-WL06 board, Schematic, Hardware version, Software version, structure and internal photos are same, Model named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Xiaoqing Diao / Manager Company: Ningbo Yonglong Auto&Motor Parts Co., Ltd Address: 101Si Ming East Road Yinjiang, Haishu, Ningbo, Zhejiang, China Phone: +86-18123945317 Fax: N/A E-Mail: [email protected]

Page 1 of 5 MAXLAB Testing Co.,Ltd. Reference to the appendix II for details. EUT PHOTO(External Photos) FCC ID: 2BVULWXYK-WL01 Page 2 of 5 MAXLAB Testing Co.,Ltd. Page 3 of 5 MAXLAB Testing Co.,Ltd.

FCCIDLABELINGANDLOCATION FCCIDLabel FCCIDLabelLocation Thelabelshownshallbepermanentlyaffixedataconspicuouslocationonthedeviceandbe readilyvisibletotheuseratthetimepurchase(Labelingrequirementsper2.925) Radioremotecontrol FCCID:2BVULWXYK-WL01

Page 4 of 5 MAXLAB Testing Co.,Ltd. PCB antenna FCC ID: 2BVULWXYK-WL01 Page 5 of 5 MAXLAB Testing Co.,Ltd.

Page 1 of3 MAXLABTestingCo.,Ltd.ReportNo.:MAX26042212P01-R01RF RFTESTREPORT ReportReferenceNo........................:MAX26042212P01-R01RF FCCID.................................................:2BVULWXYK-WL01 Compiledby (position+printedname+signature) .. : Engineer/CindyZheng Supervisedby (position+printedname+signature)..: Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue.........................................:April27,2026 TestingLaboratoryName...............:MAXLABTestingCo.,Ltd. Address ................................................. : 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname...............................: NingboYonglongAuto&MotorPartsCo.,Ltd Address ................................................. :101SiMingEastRoadYinjiang,Haishu,Ningbo,Zhejiang,China Manufacturer’sname........................: NingboYonglongAuto&MotorPartsCo.,Ltd Address ................................................. :101SiMingEastRoadYinjiang,Haishu,Ningbo,Zhejiang,China Testspecification .............................. : Standard ................................................ : FCCPart15.231 KDB447498D01V06 ANSIC95.1-2019 FCC§1.1310 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLABTesting Co.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader's interpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ :Radioremotecontrol TradeMark............................................:wlung Model/Typereference.........................:WXYK-WL01 ListedModels ...................................... : WXYK-WL02,WXYK-WL03,WXYK-WL04,WXYK-WL05,WXYK- WL06 Ratings ................................................... :DC12Vfrombattery Modulation ........................................... :ASK Frequency..............................................433.92MHz Result.....................................................:PASS Page 2 of3 MAXLABTestingCo.,Ltd.ReportNo.:MAX26042212P01-R01RF RFExposureEvaluation 1.ThecorrespondingSARExclusionThresholdcondition,listedbelow: 1)The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50 mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)].[Vf(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,16where ➢f(GHz)istheRFchanneltransmitfrequencyinGHz ➢PoweranddistanceareroundedtothenearestmWandmmbeforecalculation ➢Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmisappliedtodetermineSARtestexclusion. 2)At100MHzto6GHzandfortestseparationdistances>50mm,theSARtestexclusionthresholdis determinedaccordingtothefollowing: a)[Thresholdat50mminstep1)+(testseparationdistance-50mm):(f(MHz)/150)]mW,at100MHz to1500MHz b)[Thresholdat50mminstep1)+(testseparationdistance-50mm)-10]mWat>1500MHzand≤ 6GHz 3)Atfrequenciesbelow100MHz,thefollowingmaybeconsideredforSARtestexclusion. a)Thethresholdatthecorrespondingtestseparationdistanceat100MHzinstep2)ismultipliedby [1+log(100/f(MHz))]fortestseparationdistances>50mmand<200mm. b)Thethresholddeterminedbytheequationina)for50mmand100MHzismultipliedby/2fortest separationdistances≤50mm. c)SARmeasurementproceduresarenotestablishedbelow100MHz.WhenSARtestexclusioncannot beapplied,aKDBinquiryisrequiredtodetermineSARevaluationrequirementsforanytestresultstobe acceptable. 2.CLASSIFICATION Theantennaofthisproduct,undernormalusecondition,isatlessthan20cmawayfromthebodyofthe user.So,thisdeviceisclassifiedasPortableDevice. EUTSpecification Antennatype:PCBantenna Antennagain(Max)0dBi EvaluationappliedMPEEvaluation SAREvaluation Page 3 of3 MAXLABTestingCo.,Ltd.ReportNo.:MAX26042212P01-R01RF 3.SARTESTEXCLUSIONTHRESHOLDS ThemeasuredconductedPKPower Mode Frequency(MHz)Fieldstrength(dBuV/m@3) EIRP(dBm) TX433.9257.14-42.82 Note: EIRP=E Meas +20log(d Meas )-109.5 EIRPistheequivalentisotropicallyradiatedpower,indBm E Meas isthefieldstrengthoftheemissionatthemeasurementdistance,indBuV/m d Meas isthemeasurementdistance,inm EIRP=E+20log(d)-109.5 ThetunedconductedPKPower(declaredbyclient) Mode Frequency(MHz)TargetPower (dBm) Tolerance ±(dBm) TX433.92-421 Frequency (MHz) Minimum Separation distance(mm) RFOutputpowerResultLimit for1-g SAR Verdict (dBm)(mW) 433.925-410.000080.000013.0 Exempt from SAR Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)insection4.1 isappliedtodetermineSARtestexclusion. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50 mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)] ThetestResultislessthan3.0for1-gSARand≤7.5for10-gextremitySAR. Conclusion ThereforethisdevicecomplieswithFCC'sRFradiationexposurelimitsforgeneralpopulationwithout SARevaluation.

Productspecification Customer name Product name Product item Sample delivery date Frequency Range(MHz) 431-436 BandWidth(MHz)5 Impedance(Ω） 50 Return Loss（dB） Gain(dBi) MAX PolarizaonLinear Vercal Antenna MaterialPCB Operang Temp（°C） -30~70 Storage Temp（°C ） -40~85 2. Product picture WL01 Ningbo Yonglong Auto&Motor Parts Co.,Ltd 101Si Ming East Road Yinjiang ,Haishu ,Ningbo,Zhejiang, China 0 dBi -5.4 1.Technical indicatorsof products Antenna model RexPCB_JF-06 ManufacturerRexense We statement that All measurements were performed radiated and therefore additional antenna gain documentation is not required.

MAXLABTestingCo.,Ltd. ReportNo.:MAX26042212P01-R01 Page 1 of22 Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. FCCPART15SUBPARTCTESTREPORT FCCPART15.231 ReportReferenceNo........................:MAX26042212P01-R01 FCCID.................................................:2BVULWXYK-WL01 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :April27,2026 TestingLaboratoryName .............. :MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname ............................... : NingboYonglongAuto&MotorPartsCo.,Ltd Address.................................................:101SiMingEastRoadYinjiang,Haishu,Ningbo,Zhejiang,China Manufacturer’sname...................... : NingboYonglongAuto&MotorPartsCo.,Ltd Address.................................................:101SiMingEastRoadYinjiang,Haishu,Ningbo,Zhejiang,China Testspecification..............................: Standard................................................: FCCPart15.231 ANSIC63.10:2020 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:Radioremotecontrol TradeMark ............................................ :wlung Model/Typereference ......................... :WXYK-WL01 ListedModels......................................: WXYK-WL02,WXYK-WL03,WXYK-WL04,WXYK-WL05,WXYK- WL06 Ratings...................................................:DC12Vfrombattery Modulation...........................................:ASK Frequency .............................................. 433.92MHz Result ..................................................... :PASS MAXLABTestingCo.,Ltd. ReportNo.:MAX26042212P01-R01 Page 2 of22 Contents 1TESTSTANDARDS...........................................................................................................................................3 2SUMMARY................................................................................................................................................................4 2.1GeneralRemarks ......................................................................................................................................................... 4 2.2ProductDescription ................................................................................................................................................... 4 2.3EquipmentUnderTest...............................................................................................................................................4 2.4ShortdescriptionoftheEquipmentunderTest(EUT).....................................................................................4 2.5BlockDiagramofTestSetup...................................................................................................................................4 2.6SpecialAccessories...................................................................................................................................................5 2.7RelatedSubmittal(s)/Grant(s) ............................................................................................................................... 5 2.8Modifications ................................................................................................................................................................ 5 3TESTENVIRONMENT.....................................................................................................................................6 3.1Addressofthetestlaboratory.................................................................................................................................6 3.2TestFacility...................................................................................................................................................................6 3.3Environmentalconditions.........................................................................................................................................6 3.4Summaryofmeasurementresults ......................................................................................................................... 7 3.5Statementofthemeasurementuncertainty ........................................................................................................ 7 3.6EquipmentsUsedduringtheTest..........................................................................................................................8 4TESTCONDITIONSANDRESULTS................................................................................................10 4.1ACPowerConductedEmission............................................................................................................................10 4.2RadiatedEmission....................................................................................................................................................11 4.320dBBandwidth ........................................................................................................................................................ 18 4.4DeactivationTime ..................................................................................................................................................... 19 4.5AntennaRequirement.................................…

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Page 1 of 1 MAXLAB Testing Co.,Ltd. Reference to the appendix I for details. EUT TEST PHOTO FCC ID: 2BVULWXYK-WL01