2AY54-YJ-C01RV Door Lock

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment

Modeldifferencedeclarationletter DifferencesDescription WeDONGGUANYUJIEELECTRONICSTECHNOLOGYCO.,LIDstate: Product：RVDoorLock ModelName：YJ-C01,YJ-C02,YJ-KD003,YJ-KD001,YJ-KD008,YJ-KD010 Theaboveproductwithsamecircuit,PCBlayout,electricalparts,materialsand wiringstructures,Appearanceshape,thematerialsofdecorativeaccessoriesis same,onlydifferentcolor. Signatory Date:Dec30,2022 <Signature> Name ： LuoLidan Title ： manager Company:DONGGUANYUJIEELECTRONICSTECHNOLOGYCO.,LID Address:AreaB,7thFL,ABuilding,ChangyouIndustrialZone,YuanshanzaiRd, Xin'anDistrict,Chang'anTown,DongguanCity,China

C5266091_X8_Ed.1 1/1 LetterofAuthorization Name:LuoLidanDate:Dec30,202 DONGGUAN YUJIE ELECTRONICS TECHNOLOGY CO.,LID Company:DONGGUAN YUJIE ELECTRONICS TECHNOLOGY CO.,LID Address: Room 801, Building A, Changyou Industrial Zone, Yuanshanzai Rd,Xin' an District, Chang'an Town, Dongguan City, China Product Name: RV Door Lock Model Number: YJ-C01,YJ-C02,YJ-KD003,YJ-KD001,YJ-KD008,YJ-KD010 FCC Identifier: 2AY54-YJ-C01 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. 2 Title:manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 DONGGUANYUJIEELECTRONICSTECHNOLOGYCO.,LID OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Dec30,2022 Subject:RequestforConfidentiality FCCID:2AY54-YJ-C01 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:LuoLidan Title:manager

LabelandLabelLocation FCCID:2AY54-YJ-C01

Page1of3ReportNo.:FCS202212101 Internalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202212101 Photo3 Photo4 Page3of3ReportNo.:FCS202212101 Photo5 ANT Photo6

FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCTestReport ReportNo:FCS202212101W01 Issuedfor Applicant: DONGGUANYUJIEELECTRONICSTECHNOLOGY CO.,LID Address: Room801,BuildingA,ChangyouIndustrial Park,No.2,YuanshanzaiRoad,Xin'an,Chang'an Town,DongguanCity,GuangdongProvince. ProductName: RVDoorLock BrandName: N/A ModelName: YJ-C01 SeriesModel: YJ-C02,YJ-KD003,YJ-KD001,YJ-KD008,YJ-KD010 FCCID: 2AY54-YJ-C01 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoad Hi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of24ReportNo.:FCS202212101W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:DONGGUANYUJIEELECTRONICSTECHNOLOGYCO.,LID Address......................................: Room801,BuildingA,ChangyouIndustrialPark,No.2, YuanshanzaiRoad,Xin'an,Chang'anTown,DongguanCity, GuangdongProvince. Manufacture'sName................:DONGGUANYUJIEELECTRONICSTECHNOLOGYCO.,LID Address......................................: Room801,BuildingA,ChangyouIndustrialPark,No.2, YuanshanzaiRoad,Xin'an,Chang'anTown,DongguanCity, GuangdongProvince. ProductDescription ProductName ........................... :RVDoorLock BrandName ............................. :N/A ModelName..............................:YJ-C01 SeriesModel..............................:YJ-C02,YJ-KD003,YJ-KD001,YJ-KD008,YJ-KD010 TestStandards..........................:FCCRulesandRegulationsPart15SubpartC,Section231 TestProcedure..........................:ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocument maybealteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest..................................: Date(s)ofperformanceoftests.:Dec15,2022~Dec21,2022 DateofIssue ................................. :Dec21,2022 TestResult ..................................... :Pass Testedby: (ScottShen) Reviewedby: (DukeQian) Approvedby: (JackWang) Page 3 of24ReportNo.:FCS202212101W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS................................................................................................5 1.1TESTFACTORY..................................................................................................................6 1.2MEASUREMENTUNCERTAINTY......................................................................................6 2.GENERALINFORMATION.........................................................................................................7 2.1GENERALDESCRIPTIONOFTHEEUT...........................................................................7 2.2DESCRIPTIONOFTHETESTMODES.............................................................................7 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS....................9 2.4EQUIPMENTSLIST...........................................................................................................10 3.RADIATEDEMISSIONMEASUREMENT................................................................................11 3.1LIMIT...................................................................................................................................11 3.2TESTPROCEDURE..........................................................................................................12 3.3TESTSETUP.....................................................................................................................13 3.4TESTRESULTS.................................................................................................................14 4.TRANSMITTERTIME...............................................................................................................18 4.1LIMIT..................................................................................................................................18 4.2TESTPROCEDURE..........................................................................................................18 4.3TESTSETUP.....................................................................................................................18 4.4TESTRESULTS.................................................................................................................18 5.20DBBANDWIDTHTEST.......................................................................................................20 5.1LIMIT..................................................................................................................................20 5.2TESTPROCEDURE..........................................................................................................20 5.3TESTSETUP.....................................................................................................................20 5.4TESTRESULTS.................................................................................................................21 6.DUTYCYCLE............................................................................................................................22 6.1LIMIT..................................................................................................................................22 6.2TESTPROCEDURE..........................................................................................................22 6.3TEST…

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承认书项目表 ---10 --- 12 ---11 9 8 7 61增益测试 （Gain Test ）6 51S参数测试 （S Parameter ）5 41电性测试报告（Test Reports ）4 31工程成品图 （Drawing）3 21承认书项目表（Spec Item ）2 11承认书封面 （Spec Cover）1 页码 （Page Code） 页数 （Number of Page） 内容 （Contents） NO. Manufacture's NameDONGGUAN YUJIE ELECTRONICS TECHNOLOGY CO.,LID AddressRoom 801,Building A, Changyou Industrial Zone, Yuanshanzai Rd, Xin'an District, Chang'an Town, Dongguan City, China 1 BlackCable Color -40 ~ +85 ̊CStorage Temp. -40 ~ +85 ̊COperating Temp. O.D. 1.13mm // 120 mmCable Type PCBAntenna Material Physical Properties ipexConnector 1 WAdmitted Power Linear, VerticalPolarization 1.2 dB / m Max @ 2450 MHzCable Loss 1.0dBi Gain (Peak) Omni-directionalRadiation -10 dB MaxReturn Loss 1.92 : 1 MaxV.S.W.R 50 0hm Nominal Impedance 2.4GHzFrequency Electrical Properties 电性测试报告 Test Reports S 参数测试 S Parameter Test Agilent E5071C 1 增益测试 Gain Test Antenna Radiation Pattern VS Gain 0 45 90 135 180 225 270 315 -5 -5 -15 -15 -25 -25 -35 -35 -45 2400 MHz 2450 MHz 2500 MHz Gain(dBi) unit:dB

Page 1 of2ReportNo.:FCS202212101 Blow1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup