2BUYW-YKT-B18Bluetooth positioning beacon

YKT-B18 蓝牙定位信标 YKT-B18 Bluetooth positioning beacon 产品使用说明书 / User Manual 一、产品简介 1. Product Overview YKT-B18 是一款基于 Bluetooth Low Energy（BLE）技术的高性能蓝牙定位信标设 备，适用于室内定位、资产追踪、智慧零售、工业物联网等应用场景。 YKT-B18 is a high-performance Bluetooth Low Energy (BLE) positioning beacon designed for indoor positioning, asset tracking, smart retail, and industrial IoT applications. 设备通过周期性广播信号，与支持 BLE 的移动设备或网关进行通信，实现精准识别与 定位。 The device periodically broadcasts signals to communicate with BLE-enabled devices or gateways for identification and positioning. 二、产品特点 2. Key Features • 支持 BLE 5.4（兼容 BLE 4.2） Supports BLE 5.4 (backward compatible with BLE 4.2) • 可调广播间隔（20ms – 10s） Adjustable advertising interval (20ms – 10s) • 可调发射功率（-30 dBm 至 +8.5 dBm） Adjustable transmission power (-30 dBm to +8.5 dBm) • 支持 iBeacon / Eddystone 协议 Supports iBeacon / Eddystone protocol • 超低功耗设计 Ultra-low power consumption • 采用锂亚电池供电 Powered by lithium thionyl chloride battery • 插入电池自动开机 Auto power-on when battery is inserted 三、技术规格 3. Technical Specifications 项目 参数 型号 YKT-B18 蓝牙版本 BLE 5.4 兼容版本 BLE 4.2 频率范围 2.4 GHz ISM 发射功率 -30 dBm ~ +8.5 dBm 广播间隔 20 ms ~ 10 s 电池类型 锂亚电池（Lithium Thionyl Chloride） 工作电压 3.6V 工作温度 -40°C ~ +85°C 防护等级 IP65 四、产品结构说明 4. Product Structure 1. 外壳（防护结构） Protective housing 2. 电池仓 Battery compartment 3. LED 指示灯 LED indicator 本产品无电源开关 This device does not include a power button 五、使用说明 5. Operation Instructions 1. 安装电池（自动开机） 1. Install Battery (Auto Power-On) • 打开设备外壳 • 按照电池仓标识正确安装锂亚电池 • 安装完成后设备自动开机 • Open the enclosure • Insert the lithium thionyl chloride battery according to polarity marking • The device powers on automatically after installation 2. 正常工作状态 2. Normal Operation 设备开机后自动进入广播模式。 LED 在正常开机状态下默认不亮，以降低功耗。 After power-on, the device automatically enters advertising mode. In normal operating state, the LED remains OFF to reduce power consumption. 3. 参数配置 3. Configuration 通过 BLE 连接配置工具或移动 APP 进行参数设置： Configure via BLE using the configuration tool or mobile APP: • UUID / Major / Minor • 广播间隔 Advertising interval • 发射功率 TX power • 设备名称 Device name 六、LED 指示说明 6. LED Indicator Status LED 状态 说明 Description 闪烁 3 次 开机成功 Flashes 3 times: Power-on successful 慢闪 BLE 已连接 Slow flashing: BLE connected 常灭 正常广播状态 OFF: Normal advertising mode 七、安全注意事项 7. Safety Instructions • 请勿拆解或改装设备 Do not disassemble or modify the device • 请勿短路或挤压电池 Do not short-circuit or crush the battery • 请使用符合规格的锂亚电池 Use compliant lithium thionyl chloride battery • 废弃电池请按照当地法规处理 Dispose of used batteries according to local regulations 八、故障排除 8. Troubleshooting 问题 可能原因 解决方法 无法启动 电池未安装或极性错误 检查电池安装方向 无法连接 超出通信距离 靠近设备重新连接 连接不稳定 信号干扰 更换安装位置 九、合规声明 9. Compliance Statement 本设备符合 CE / FCC 相关标准。 This device complies with CE / FCC standards. 未经许可的修改可能会使用户失去操作设备的权限。 Unauthorized modifications may void the user's authority to operate the device. 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BUYW-YKT-B18YKT-B18 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:LOBOSIOWAINCShenzhenEcateeIoTTechnology Co.,Ltd. FRN:00364139610038090882 ContactName:HarleyLiDavidYan Address:4623BittercreekDrColorado SpringsCO80922US Room1608,YifengBuildingNo. 28,YifengHuaInnovation IndustrialPark,Xinshi Community,DalangSubdistrict, LonghuaDistrict,Shenzhen Phone:+18188180538N/A Email:[email protected]@ecatee.com

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BUYW-YKT-B18YKT-B18 We, Applicant CompanyName:ShenzhenEcateeIoTTechnologyCo.,Ltd. Address:Room1608,YifengBuildingNo.28,Yifeng HuaInnovationIndustrialPark,Xinshi Community,DalangSubdistrict,Longhua District,Shenzhen Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-03-09 SignatureDate PrintedNameofSignee:DavidYan Company:ShenzhenEcateeIoTTechnology Co.,Ltd. Phone:+8615697550835 Email:[email protected] Address:Room1608,YifengBuildingNo.28, YifengHuaInnovationIndustrialPark,Xinshi Community,DalangSubdistrict,Longhua District,Shenzhen Fax:N/A

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BUYW-YKT-B18YKT-B18 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-03-09 SignatureDate PrintedNameofSignee/Title:DavidYan/ExecutiveManager Company:ShenzhenEcateeIoTTechnologyCo.,Ltd. Address:Room1608,YifengBuildingNo.28,YifengHua InnovationIndustrialPark,XinshiCommunity,Dalang Subdistrict,LonghuaDistrict,Shenzhen Phone:+8615697550835 Fax:-- Email:[email protected]

ReportNo.:CISRR26022408601 Page 43 of 46 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26022408601 Page 44 of 46

Label Size:30mm*20mm Bluetooth positioning beacon Model No.:YKT-B18 FCC ID:2BUYW-YKT-B18 Label Location

ReportNo.:CISRR26022408601 Page 45 of 46 9.2.InternalPhotos ANT ReportNo.:CISRR26022408601 Page 46 of 46 ------Endofthereport-----

ReportNo.:CISRR26022408602 Reporttemplateversion:CISE-TR-001-A0Page:1of6 TESTREPORT RFExposureEvaluation ReportNo.CISRR26022408602 ProjectNo.CISR260224086 FCCID2BUYW-YKT-B18 ApplicantShenzhenEcateeIoTTechnologyCo.,Ltd. Address Room1608,YifengBuildingNo.28,YifengHuaInnovationIndustrial Park,XinshiCommunity,DalangSubdistrict,LonghuaDistrict,Shenzhen ManufacturerShenzhenEcateeIoTTechnologyCo.,Ltd. Address Room1608,YifengBuildingNo.28,YifengHuaInnovationIndustrial Park,XinshiCommunity,DalangSubdistrict,LonghuaDistrict,Shenzhen ProductNameBluetoothpositioningbeacon TrademarkECATWL Model/TypereferenceYKT-B18 ListedModel(s)- Standard 47CFRPart2.1091 DateofsamplereceiptFebruary25,2026 TestdateFebruary25,2026toMarch1,2026 IssuedateMarch2,2026 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR26022408602 Reporttemplateversion:CISE-TR-001-A0Page:2of6 1.APPLICABLESTANDARD 47CFRPart2.1091:Radiofrequencyradiationexposureevaluation:mobiledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 47CFRPart1.1310:Radiofrequencyradiationexposurelimits. 2.REPORTVERSION VersionNo.IssuedateDescription 00March2,2026Original ReportNo.:CISRR26022408602 Reporttemplateversion:CISE-TR-001-A0Page:3of6 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThedeviceuseasingletransmittermoduleandantennaforBluetooth. ReportNo.:CISRR26022408602 Reporttemplateversion:CISE-TR-001-A0Page:4of6 5.TESTRESULT 5.1.SARtestexclusionEvaluation ExclusionLimit: KDB447498D01v06,Clause4.3.1b) 100MHzto1500MHz {[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·(f(MHz)/150)]}mW 1500MHzand≤6GHz {[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·10]}mW Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-upEIRP (dBm) Minimum distance #4 (mm) Exclusion Limit (dBm) Result BLE2.402-0.571.91.332200mm32.03PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR26022408602 Reporttemplateversion:CISE-TR-001-A0Page:5of6 5.2.Standalonetransmission Limit: Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironment impactofhumanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequency range(MHz) Electricfield strength(V/m) Magneticfield strength (A/m) Powerdensity (mW/cm 2 ) Averaging time(minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f *(900/f 2 ) 6 30–30061.40.1631.06 300–1500--f/3006 1500–100,000--56 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f *(180/f 2 ) 30 30–30027.50.0730.230 300–1500--f/150030 1500–100,000--1.030 Evaluationmethod: Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW, G=gainofantennainlinearscale,Pi=3.1416, R=distancebetweenobservationpointandcenteroftheradiatorincm Result:Passed TestData Radiotype Maximum outputpower (dBm) #1 Maximum tune-uppower (dBm) Antenna gain(dBi) #2 Minimun distance(cm) #3 Pd (mW/cm 2 ) Limit (mW/cm 2 ) Result 2.4GWIFI-0.5721.9200.00051.0PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR26022408602 Reporttemplateversion:CISE-TR-001-A0Page:6of6 5.3.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofReport--------

Productspecification Directivity(dBi Antennamoduleonthesystemboard FrequencyRange2400~2500MHz Ant.PortInputPwr.(dBm)0 Tot.Rad.Pwr.(dBm) -1.2(Inputpwr–losspwr) )1(alldirectionantenna) Efficiency(dB)60.2% Gain(dBi) MaximumPower(dBm 1.9(AvgGainXZ-plane) )1.7(XY-plane) MinimumPower(dBm)-4(XY-plane) Avg.Power(dBm)-0.5(XY-plane) InputImpendence(ohm)50 PolarizationTypeVertical&Horizontal V.S.W.R<1.4 ManufacturerShenzhenEcateeIoTTechnologyCo.,Ltd. ManufacturerAddressRoom1608,YifenghuaBuilding,No.28,Yifenghua InnovationIndustrialPark,XinshiCommunity,Dalang Subdistrict,LonghuaDistrict,ShenzhenCity Allthetechnicaldataandinformationcontainedhereinaresubjecttochangewithout priornotice. AntennaLayout&moduleonthesystemboard AntennaGain

ReportNo.:CISRR26022408601 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of41 TESTREPORT ReportNo.CISRR26022408601 ProjectNo.CISR260224086 FCCID2BUYW-YKT-B18 ApplicantShenzhenEcateeIoTTechnologyCo.,Ltd. Address Room1608,YifengBuildingNo.28,YifengHuaInnovationIndustrial Park,XinshiCommunity,DalangSubdistrict,LonghuaDistrict,Shenzhen ManufacturerShenzhenEcateeIoTTechnologyCo.,Ltd. Address Room1608,YifengBuildingNo.28,YifengHuaInnovationIndustrial Park,XinshiCommunity,DalangSubdistrict,LonghuaDistrict,Shenzhen ProductNameBluetoothpositioningbeacon TrademarkECATWL Model/TypereferenceYKT-B18 ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptFebruary25,2026 TestdateFebruary25,2026toMarch1,2026 IssuedateMarch2,2026 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR26022408601 Page 2 of 41 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Testsampleinformation.............................................................................................................................7 5.4.Environmentalconditions...........................................................................................................................7 5.5.Statementofthemeasurementuncertainty.............................................................................................7 5.6.EquipmentUsedduringtheTest................................................................................................................8 6.TESTRESULTS.............................................................................................................................................10 6.1.EvaluationResults(Evaluation)...............................................................................................................10 6.1.1.AntennaRequirement............................................................................................................................10 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................11 6.2.1.6dBBandwidth........................................................................................................................................11 6.2.2.MaximumConductedOutputPower.....................................................................................................12 6.2.3.PowerSpectralDensity..........................................................................................................................13 6.2.4.Conductedbandedgeandspuriousemission...................................................................................14 6.2.5.Radiatedbandedgeemission...............................................................................................................15 6.2.6.RadiatedSpuriousEmission(below1GHz).........................................................................................21 6.2.7.RadiatedSpuriousEmission(Above1GHz)........................................................................................25 7.APPENDIXREPORT......................................................................................................................................33 7.1.ConductedOutputPower.........................................................................................................................33 7.2.6dBBandwidth...........................................................................................................................................35 7.3.PowerSpectralDensity.............................................................................................................................36 7.4.DutyCycle..................................................................................................................................................38 7.5.ConductedSpurious&BandEdgeEmission.........................................................................................39 ReportNo.:CISRR26022408601 Page 3 of 41 1.STANDARDANDAPPLICABLETESTMETHODS Thetestswereperformedaccordingtofollowingstandards: 47CFRPart15.247:Operationwithinthe…

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ReportNo.:CISRR26022408601 Page 42 of 46 8.TESTSETUPPHOTOS Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) RadiatedSpuriousEmission(below1GHz)