2BV8C-BWIFI-E51SDatalog-BWiFi-E51

ShenzhenEnergyControlCloudTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:ShenzhenEnergyControlCloudTechnologyCo.,Ltd Address:1405,14/F,ShangmeiTimesBuilding,No.57,LongguanEastRoad, LonghuaStreet,LonghuaDistrict,Shenzhen,Guangdong,518110China FCCID:2BV8C-BWIFI-E51 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[ShenzhenEnergyControlCloudTechnologyCo.,Ltd]designate[LinkwldLLC] NOTE1 forthepurposeofacceptingserviceofprocessonbehalfoftheapplicant. 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:ShenzhenEnergyControl CloudTechnologyCo.,Ltd USAAddress:7595TechnologyWaySte 100,Denver,CO80237,US Address:1405,14/F,ShangmeiTimes Building,No.57,LongguanEastRoad, LonghuaStreet,LonghuaDistrict, Shenzhen,Guangdong,518110China FRNNumber:0033625682GranteeFRNNumber:0038446399 ContactName:TimothyZhu FCCGranteeCode:2BV8C TelephoneNo:(747)717-2691ContactName:JihongGao Email:[email protected] TelephoneNo:18664598584 Email:[email protected] Signature: Signature: ShenzhenEnergyControlCloudTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.5 Title:Manager Title:GeneralManager Date:2026-05-22Date:2026-05-22 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

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 Shenzhen Energy Control Cloud Technology Co.,Ltd TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Shenzhen Energy Control Cloud Technology Co.,Ltd Grantee code: 2BV8C FCC ID: 2BV8C-BWIFI-E51 FRN: 0038446399 Contact Name: Jihong Gao Address: 1405,14/F, Shangmei Times Building, No. 57, Longguan East Road, Longhua Street, Longhua District Telephone No: 18664598584 Fax No: Email: [email protected] i. [Shenzhen Energy Control Cloud Technology Co.,Ltd] (“the applicant”) certifies 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. The applicant must sign this certification. ii. [Shenzhen Energy Control Cloud Technology Co.,Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [Shenzhen Energy Control Cloud Technology Co.,Ltd] (“the applicant”) certifies 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 . Date: 2026/06/16 Applicant’s Name: Jihong Gao Title: General Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

ShenzhenEnergyControlCloudTechnologyCo.,Ltd Code00018768Ed.1 Item1.Thedeviceisabletoinstallsoftware/programinstallation? ☐Yes,gotoItem2. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky cybersecurityoranti-virussoftware. DeviceSDatalog-BWiFi-E51 CompanynameShenzhenEnergyControlCloudTechnology Co.,Ltd Granteecode2BV8C FCCID2BV8C-BWIFI-E51 FRN0038446399 ContactnameJihongGao Address1405,14/F,ShangmeiTimesBuilding,No.57, LongguanEastRoad,LonghuaStreet,Longhua District,Shenzhen,Guangdong,518110China Telephonenumber18664598584 [email protected] Chipset/moduleinformationESP32-C3 OperatingSystem(ifapplicable)/ StorageCapacity(harddriveorother permanentmemorystorage,ifapplicable) / 2 Item2.TechnicalRequirementsforKasperskyCybersecuritySoftware: #GeneralRequirements(ForallDevices)Yes/NoorN/AComments 1Internetconnectionforactivationandupdates(ForallOperating Systems) N/A #GeneralRequirements(ForWindowsDevices)Yes/NoorN/AComments 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/Enterprise Microsoft Windows7Starter/HomeBasic&Premium/Professional/ UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/NoorN/AComments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 3 2OperatingSystem:iOS®17N/A #GeneralRequirements(ForLinuxsystem)Yes/NoorN/AComments 1Harddrive:1GBoffreespaceN/A 2CPU:IntelPentium1GHzorhigher 3RAM:1GB 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/Education8or later; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingtheinstallationof Kasperskysoftware? ☐Yes,gotoItem3. 4 ☒No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky software Item3.ConnectivityCapabilities: #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 Afterthereviewofthisitems,thedevice: ☒Cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecoveredlist. ☐Potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist–additionalthird- partyproofisprovidedtodemonstratecompliancewithrequirementsasof2.911(d)5(i),(ii)–“Proofof CompliancewithCoveredListSoftwareRequirements”ofthisdocumentapplies Signature:Name:JihongGao Date:2026-06-15 1 Thejustificationfieldisusedtojustifywhythesoftwarecannotbereceivedthroughthatinterface.Checktheannexformore indications.

TCB CALL página 1 File FCC ID: 2BV8C-BWIFI-E51 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : Search | coloradosos.gov TCB CALL página 2 TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 ShenzhenEnergyControlCloudTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026-06-15 Subject:RequestforConfidentiality FCCID:2BV8C-BWIFI-E51 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-TermConfidentiality 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_180_daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:JihongGao Title:GeneralManager 2026.06.15

C5266091_X8_Ed.1 1/1 Letter of Authorization Shenzhen Energy Control Cloud Technology Co.,Ltd Company: Shenzhen Energy Control Cloud Technology Co.,Ltd Address: 1405,14/F, Shangmei Times Building, No. 57, Longguan East Road, Longhua Street, Longhua District Product Name: SDatalog-BWiFi-E51 Model Number: SDatalog-BWiFi-E51 FCC Identifier: 2BV8C-BWIFI-E51 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. Name: Jihong Gao Date: 2026.06.16 Title: General Manager Signature of applicant:

LabelLocation Confirmtheuseofrealappearancephotosasreferences Labelsize: （ L:2cm*W:0.3cm ） FCCID:2BVBC-VWIFI-E51

MAXIMUMPERMISSIBLEEXPOSURE KDB447498D01MobileandPortableDevicesRFExposureProceduresand EquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b) EUTSpecification FCCID2BV8C-BWIFI-E51 EUTSDatalog-BWiFi-E51 Frequencyband(Operating)BT:2.402GHz~2.480GHz WLAN:2.412GHz~2.462GHz RLAN:5.180GHz~5.240GHz RLAN:5.260GHz~5.320GHz RLAN:5.500GHz~5.700GHz RLAN:5.745GHz~5.825GHz Others: DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure GeneralPopulation/Uncontrolledexposure AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Antennagain(Max)-0.27dBi EvaluationappliedMPEEvaluation SAREvaluation 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/150030 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.Ifweknowthemaximumgainoftheantennaandtotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancewheretheMPElimitis reached. MeasurementResult Operating Mode Maximum outputpower (dBm) Tuneup tolerance (dBm) Max.Tuneup Power (dBm) Antenna Gain (dBi) Power densityat 20cm (mW/cm 2 ) Power density Limits (mW/cm 2 ) BLE1.501.50±12.50-0.270.00031 WLAN15.4415.44±116.44-0.270.00821 TheBLEandWLANcannotsimultaneoustransmission. Result:NoStandaloneSARtestisrequired.

Page 1 of 34 FCC Test Report Report No.:1819C60049312501 Applicant: Shenzhen Energy Control Cloud Technology Co.,Ltd Address: 1405,14/F, Shangmei Times Building, No. 57, Longguan East Road, Longhua Street, Longhua District, Shenzhen, Guangdong, 518110 China Product Name:SDatalog-BWiFi-E51 Report Date:2026-06-15 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# #报告二维码# Report No.:1819C60049312501Page 2 of 34 FCC ID: 2BV8C-BWIFI-E51 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 .................................................................................................................................18 4.3. Test Data ...................................................................................................................................18 5. Maximum Conducted Output Power....................................................................................................19 5.1. EUT Operation ..........................................................................................................................19 5.2. Test Setup .................................................................................................................................19 5.3. Test Data ...................................................................................................................................19 6. Power Spectral Density .......................................................................................................................20 6.1. EUT Operation ..........................................................................................................................20 6.2. Test Setup .................................................................................................................................20 6.3. Test Data ...................................................................................................................................20 7. Emissions in non-restricted frequency bands ......................................................................................21 7.1. EUT Operation ..........................................................................................................................21 7.2. Test Setup .................................................................................................................................21 7.3. Test Data ...................................................................................................................................21 8. Band edge emissions (Radiated) ........................................................................................................22 8.1. EUT Operation ..........................................................................................................................22 8.2. Test Setup .................................................................................................................................23 8.3. Test Data ...................................................................................................................................24 9. Emissions in restricted frequency bands (belo…

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FAX：+860755-2309718TEL：+860755-230735999E-mail:[email protected] 地址：深圳市宝安区航空路锦驰中心3015 SHENZHE 深圳市云顶通讯电子有限公司 Shenzhen Yunding Communication Electronics Co., Ltd. N 客户 ： 深圳能控云科技有限公司 项目名称 PROJECT： SDatalog-BWIFI 品名规格 DESCRIPTION： FPC(YD-SDatalog-BWiFi-V1.0)1.13黑-L35MM-1代 料号 PARTNO.： 客户料号 CUSPARTNO. ： 日期 DATE： 2026-4-1 云顶呈样签章 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 业务 SALESDEPARTMENT 客户承认签章 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 采购 PURCHASINGDEPARTMENT 联系电话：075523073599 ж承认书一式三份，惠蒙贵司承认签章 жApprovalinduplicate,pleasesignedbyyourcompany. 承認書 APPROVALSHEET Room 315, No.1 Sanwei South Road, Sanwei Community, Hangcheng Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, P.R.China TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] 地址：深圳市宝安区航空路锦驰中心3015 深圳市云顶通讯电子有限公司 Shenzhen Yunding Communication Electronics Co., Ltd. SHENZHEN 1. 测试项目与设备(Test items and equipment) 测试项目Test items设备equipment 1.S11参 数 （S-parameter） 1.回波损耗（ReturnLoss） 2.电压驻波比（VSWR） 网络分析仪:AgilentE5071B HP8753D 2.有源测试（Active）1.发射功率（TRP） 2.接收灵敏度（TIS） 1.暗室：ETS7x4x3m(3D)Chamber ETS5x3x3m(3D)Chamber 2.综合测试仪:Agilent8960E5515B×2 StarPointSP6011Cmw500 3.无源测试 （Passive） 1.天 线 增 益（Gain）2.天 线 效 率（Efficiency） 1.暗室：ETS7x4x3m(3D)Chamber ETS5x3x3m(3D)Chamber 2.网络分析仪：AgilentE5071B HP8753D Room 315, No.1 Sanwei South Road, Sanwei Community, Hangcheng Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, P.R.China TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] 地址：深圳市宝安区航空路锦驰中心3015 深圳市云顶通讯电子有限公司 Shenzhen Yunding Communication Electronics Co., Ltd. SHENZHEN 2. 天线性能antenna performance SWR Room 315, No.1 Sanwei South Road, Sanwei Community, Hangcheng Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, P.R.China TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] 地址：深圳市宝安区航空路锦驰中心3015 深圳市云顶通讯电子有限公司 Shenzhen Yunding Communication Electronics Co., Ltd. SHENZHEN 3. 天线效率与增益 FreqEffiGain (MHz)(%)(dBi) 240047.05-0.75 241046.27-0.75 242043.32-0.95 243043.45-0.81 244044.16-0.66 245045.68-0.43 246044.61-0.51 247045.04-0.34 248044.08-0.43 249044.41-0.39 250045.49-0.27 Room 315, No.1 Sanwei South Road, Sanwei Community, Hangcheng Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, P.R.China TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] 地址：深圳市宝安区航空路锦驰中心3015 深圳市云顶通讯电子有限公司 Shenzhen Yunding Communication Electronics Co., Ltd. SHENZHEN 4. 天线装配图Antenna assembly diagram Room 315, No.1 Sanwei South Road, Sanwei Community, Hangcheng Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, P.R.China TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] 地址：深圳市宝安区航空路锦驰中心3015 深圳市云顶通讯电子有限公司 Shenzhen Yunding Communication Electronics Co., Ltd. SHENZHEN 电器技术参数 电性能指标 ElectricalSpecifications 频率范围 2400~2500MHzFrequencyRange2400~2500MHz 电压驻波比≤2.0 VSWR ≤2.0 输入阻抗 50ΩInputImpedance50Ω 最大增益 0DBIMaximumgain0DBI 最大输入功率 50WMaximumInputPower50W 机械指标 MechanicalSpecifications 线材颜色黑 WireColorBlack 接口形式1代端子 InputconnectorIPEX1 线材长度 35MMWirelength35MM 工作温度-40°C~+85°C WorkingTemperature -40°C~+85°C 工作湿度 20~80%WorkingHumidity20~80% Room 315, No.1 Sanwei South Road, Sanwei Community, Hangcheng Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, P.R. China

ReportNo.:1819C60049312501-01 Page1of33 AppendixTestData ReportNo.:1819C60049312501-01TestSampleNo.:1-2-2 StartTestDate:2026-5-15FinishTestDate:2026-5-18 TestEngineer:Auditor: Temperature:25 °C RelativeHumidity:60% Pressure:101kPa AppendixA:6dBBandwidth TestResult Test Mode AntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.6522401.6762402.3280.5PASS BLE_1MAnt124400.6362439.6802440.3160.5PASS BLE_1MAnt124800.6602479.6602480.3200.5PASS BLE_2MAnt124021.0682401.4642402.5320.5PASS BLE_2MAnt124401.0522439.4722440.5240.5PASS BLE_2MAnt124801.0562479.4762480.5320.5PASS ReportNo.:1819C60049312501-01 Page2of33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1819C60049312501-01 Page3of33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1819C60049312501-01 Page4of33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1819C60049312501-01 Page5of33 AppendixB:99%OccupiedBandwidth TestResult Test Mode AntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.06912401.46302402.5321------ BLE_1MAnt124401.07172439.46272440.5344------ BLE_1MAnt124801.07692479.45942480.5363------ BLE_2MAnt124022.10452400.95672403.0612------ BLE_2MAnt124402.12032438.95012441.0704------ BLE_2MAnt124802.12932478.93452481.0638------ ReportNo.:1819C60049312501-01 Page6of33 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.:1819C60049312501-01 Page7of33 BLE_1M-Ant1-2480 BLE_2M-Ant1-2402 ReportNo.:1819C60049312501-01 Page8of33 BLE_2M-Ant1-2440 BLE_2M-Ant1-2480 ReportNo.:1819C60049312501-01 Page9of33 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode Antenna Frequency [MHz] Conducted Peak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt12402-0.79≤30PASS BLE_1MAnt124401.03≤30PASS BLE_1MAnt124801.50≤30PASS BLE_2MAnt12402-1.07≤30PASS BLE_2MAnt124400.96≤30PASS BLE_2MAnt124801.46≤30PASS TestGraphsPeak BLE_1M-Ant1-2402-PASS ReportNo.:1819C60049312501-01 Page10of33 BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1819C60049312501-01 Page11of33 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS ReportNo.:1819C60049312501-01 Page12of33 BLE_2M-Ant1-2480-PASS ReportNo.:1819C60049312501-01 Page13of33 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-16.42≤8.00PASS BLE_1MAnt12440-14.49≤8.00PASS BLE_1MAnt12480-14.08≤8.00PASS BLE_2MAnt12402-18.33≤8.00PASS BLE_2MAnt12440-16.40≤8.00PASS BLE_2MAnt12480-15.88≤8.00PASS ReportNo.:1819C60049312501-01 Page14of33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1819C60049312501-01 Page15of33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1819C60049312501-01 Page16of33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1819C60049312501-01 Page17of33 AppendixE:Bandedgemeasurements TestResult Test Mode AntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low2402-2.51-55.07≤-22.51PASS BLE_1MAnt1High24800.94-57.09≤-19.06PASS BLE_2MAnt1Low2402-2.41-52.35≤-22.41PASS BLE_2MAnt1High2480-1.47-56.98≤-21.47PASS ReportNo.:1819C60049312501-01 Page18of33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1819C60049312501-01 Page19of33 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1819C60049312501-01 Page20of33 AppendixF:ConductedSpuriousEmission TestResult Test Mode Antenna Frequency [MHz] Freq.Range [MHz] Ref. Level [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt124020~Reference-1.33-1.33---PASS BLE_1MAnt1240230~1000-1.33-58.99≤-21.33PASS BLE_1MAnt124021000~26500-1.33-40.34≤-21.33PASS BLE_1MAnt124400~Reference-0.89-0.89---PASS BLE_1MAnt1244030~1000-0.89-58.78≤-20.89PASS BLE_1MAnt124401000~26500-0.89-48.22≤-20.89PASS BLE_1MAnt124800~Reference-0.13-0.13---PASS BLE_1MAnt1248030~1000-0.13-58.72≤-20.13PASS BLE_1MAnt124801000~26500-0.13-47.02≤-20.13PASS BLE_2MAnt124020~Reference-1.16-1.16---PASS BLE_2MAnt1240230~1000-1.16-58.75≤-21.16PASS BLE_2MAnt124021000~26500-1.16-46.06≤-21.16PASS BLE_2MAnt124400~Reference-1.63-1.63---PASS BLE_2MAnt1244030~1000-1.63-59.05≤-21.63PASS BLE_2MAnt124401000~26500-1.63-48.19≤-21.63PASS BLE_2MAnt124800~Reference0.980.98---PASS BLE_2MAnt1248030~10000.98-58.83≤-19.02PASS BLE_2MAnt124801000~265000.98-48.73≤-19.02PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosshavebeensetinthe 'InputCorrection'oftheSpectrumAnalyzerduringthetest. ReportNo.:1819C60049312501-01 Page21of33 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS ReportNo.:1819C60049312501-01 Page22of33 BLE_1M-Ant1-2402-1000~26500-PASS BLE_1M-Ant1-2440-0~Reference-PASS ReportNo.:1819C60049312501-01 Page23of33 BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS ReportNo.:1819C60049312501-01 Page24of33 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS ReportNo.:1819C60049312501-01 Page25of33 BLE_1M-Ant1-2480-1000~26500-PASS BLE_2M-Ant1-2402-0~Reference-PASS ReportNo.:1819C60049312501-01 Page26of33 BLE_2M-Ant1-2402-30~1000-PASS BLE_2M-Ant1-2402-1000~26500-PASS ReportNo.:1819C60049312501-01 Page27of33 BLE_2M-Ant1-2440-0~Reference-PASS BLE_2M-Ant1-2440-30~1000-PASS ReportNo.:1819C60049312501-01 Page28of33 BLE_2M-Ant1-2440-1000~26500-PASS BLE_2M-Ant1-2480-0~Reference-PASS ReportNo.:1819C60049312501-01 Page29of33 BLE_2M-Ant1-2480-30~1000-PASS BLE_2M-Ant1-2480-1000~26500-PASS ReportNo.:1819C60049312501-01 Page30of33 AppendixG:DutyCycle TestResult Test Mode Antenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124022.102.5084.000.76 BLE_1MAnt124402.102.5084.000.76 BLE_1MAnt124802.082.4983.530.78 BLE_2MAnt124021.061.8856.382.49 BLE_2MAnt124401.061.8756.682.47 BLE_2MAnt124801.061.8856.382.49 ReportNo.:1819C60049312501-01 Page31of33 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 ReportNo.:1819C60049312501-01 Page32of33 NTNV-BLE_1M-Ant1-2480 NTNV-BLE_2M-Ant1-2402 ReportNo.:1819C60049312501-01 Page33of33 NTNV-BLE_2M-Ant1-2440 NTNV-BLE_2M-Ant1-2480 ---End---

Page 1 of 34 FCC Test Report Report No.:1819C60049312502 Applicant: Shenzhen Energy Control Cloud Technology Co.,Ltd Address: 1405,14/F, Shangmei Times Building, No. 57, Longguan East Road, Longhua Street, Longhua District, Shenzhen, Guangdong, 518110 China Product Name:SDatalog-BWiFi-E51 Report Date:2026-06-15 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# #报告二维码# Report No.:1819C60049312502Page 2 of 34 FCC ID: 2BV8C-BWIFI-E51 Contents 1. General Information ...............................................................................................................................6 1.1. Client Information ......................…

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