2BKLM-NF205ADiesel Air Heater

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 Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:REPAmericaLLC FRN:0034192500 ContactName:BenXu Address:REPAmericaLLC,BenXU,6510SAcademyBlvd,SteA#523,Colorado Springs,CO80906 Applicant: Companyname:RenqiuKaitengautopartsCo.,LTD ProductDescription:DieselAirHeater Granteecode:2BKLM FCCID:2BKLM-NF205A FRN:0035871771 ContactName:Kaifeiwang Email:[email protected] Address:EastofYingbinRoadandnorthofShihuaRoad,RenqiuEconomicDevelopmentZone, CangzhouCity,HebeiProvince [RenqiuKaitengautopartsCo.,LTD]certifiesthat,asofthedateofthisfiling oftheapplicationwiththeTCB,[REPAmericaLLC]isourdesignatedUSagent forserviceofprocessfortheabovereferencedFCCID.[RenqiuKaitengauto partsCo.,LTD]acceptstomaintainanagentfornolessthanoneyearafterthe granteehasterminatedallmarketingandimportationortheconclusionofany commissionrelatedproceedinginvolvingequipment. [REPAmericaLLC]accepts,asofthedateofthefilingoftheapplication,the obligationofthedesignatedUSagentforserviceofprocessfortheabove referenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:09/03/2024 Applicant’sName:KaifeiwangUSAgent’sName:BenXu Title:ManagerTitle:Manager Signature Signature

C5266091_X24_Ed.2 1/1 Renqiu Kaiteng auto parts Co., LTD “Attestation Statements” 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: Renqiu Kaiteng auto parts Co., LTD FRN：0035871771 Grantee code: 2BKLM FCC ID: 2BKLM-NF205A Contact Name: Kaife wang Address: ast of Yingbin Road and north of Shihua Road, Renqiu Economic Development Zone, Cangzhou City, Hebei Province Telephone No: 15031785599 Fax No: / Email: [email protected] i. [Renqiu Kaiteng auto parts 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. [Renqiu Kaiteng auto parts 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. [Renqiu Kaiteng auto parts 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: 2024/08/27 Applicant’s Name: Kaife wang Title: 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

Modeldifferencedeclarationletter DifferencesDescription FCCID：2BKLM-NF205A WeRenqiuKaitengautopartsCo.,LTDstate: Product： DieselAirHeater ModelName ： NF205A,KT001,KT002,KT003,KT004,KT005, KT006,KT007,KT008KT009 We(RenqiuKaitengautopartsCo.,LTD)herebystatethatallthemodelsareelectrical identicalincludingthesamesoftwareparameterandhardwaredesign(i.e.,circuitdesign, PCBLayout,RFmodule/circuit,antennatype(s)andantennalocation,componentsonPCB, etc.,),samemechanicalstructureanddesign(includingproductenclosure,materials,etc.,), theonlydifferenceisthemodelnameandappearancecolor. Signatory Date:08-27.2024 Name:KaifeiwangDate:August27,2024 Title:Manager Signatureofapplicant:

C5266091_X8_Ed.1 1/1 Letter of Authorization Renqiu Kaiteng auto parts Co., LTD Company: Renqiu Kaiteng auto parts Co., LTD Address: ast of Yingbin Road and north of Shihua Road, Renqiu Economic Development Zone, Cangzhou City, Hebei Province Product Name: Diesel Air Heater Model Number: NF205A, KT001,KT002,KT003,KT004,KT005,KT006,KT007,KT008,KT009 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: Kaife wang Date: 2024.08.27 Title: Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 Renqiu Kaiteng auto parts Co., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024.8.27 Subject: Request for Confidentiality FCC ID: 2BKLM-NF205A To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Kaife wang Title: Manager 2024.08.27

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LabelandLabelLocation FCCID:2BKLM-NF205A

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Page1of2ReportNo.:FCS202408314 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCRFExposure EUTDescription:DieselAirHeater Testtype.:NF205A Seriesmodel:KT001,KT002,KT003,KT004,KT005,KT006,KT007,KT008KT009 FCCID:2BKLM-NF205A Equipmenttype:Mobileequipment Testproceduresaccordingtothetechnicalstandards:KDB447498D01V06andFCC2.1091. 1.Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactof humanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) F=frequencyinMHz Formula:Pd=(Pout*G)/(4*π*r 2 ) Where: Pd=powerdensityinmW/cm 2 , Pout=outputpowertoantennainmW; G=gainofantennainlinearscale, π=3.14; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantennaandthetotal powerinputtotheantenna,throughthecalculation,wewillknowthedistancerwheretheMPE limitisreached. Page2of2ReportNo.:FCS202408314 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com 2.TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleand highestchannelindividually. 3.TestResultofRFExposureEvaluation Modulation Channel Freq. (MHz) Conduct edpower (dBm) Max tune-up power (mW) Antenna Gain (dBi) Antenna gainnumeric Evaluation result (mW/cm2) Power density Limits (mW/cm2) GFSK 24024.21 2.64 1.871.540.00080923 6 1 24404.382.741.871.540.000839881 24804.61 2.89 1.871.540.00088586 8 1 Conclusion:themaxresult:0.00088586≤1.0compliancewithFCC'sRFExposure. Conclusion:NoSARisrequired

FCCTestReport ReportNo:FCS202408314W01 Issuedfor Applicant: RenqiuKaitengautopartsCo.,LTD Address: EastofYingbinRoadandnorthofShihuaRoad,Renqiu EconomicDevelopmentZone,CangzhouCity,Hebei Province ProductName: DieselAirHeater BrandName: N/A ModelName: NF205A SeriesModel: KT001,KT002,KT003,KT004,KT005,KT006,KT007,KT008 KT009 FCCID: 2BKLM-NF205A IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of34ReportNo.:FCS202408314W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:RenqiuKaitengautopartsCo.,LTD Address ...................................... : EastofYingbinRoadandnorthofShihuaRoad,RenqiuEconomic DevelopmentZone,CangzhouCity,HebeiProvince Manufacture'sName................:RenqiuKaitengautopartsCo.,LTD Address......................................: EastofYingbinRoadandnorthofShihuaRoad,RenqiuEconomic DevelopmentZone,CangzhouCity,HebeiProvince ProductDescription ProductName ........................... :DieselAirHeater BrandName ............................... :N/A ModelName..............................:NF205A SeriesModel..............................:KT001,KT002,KT003,KT004,KT005,KT006,KT007,KT008,KT009 TestStandards .......................... :FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure..........................:ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument.. DateofTest..................................: Date(s)ofperformanceoftests . :August22,2024~August26,2024 DateofIssue.................................:August26,2024 TestResult....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page 3 of34ReportNo.:FCS202408314W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS...........................................................................................6 1.1TESTFACTORY............................................................................................................7 1.2MEASUREMENTUNCERTAINTY.................................................................................7 2.GENERALINFORMATION...................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT.......................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS...............11 2.4EQUIPMENTSLIST.....................................................................................................12 3.CONDUCTEDEMISSIONMEASUREMENT.......................................................................13 4.6DBBANDWIDTH...............................................................................................................15 4.1Limit..............................................................................................................................16 4.2TestProcedure.............................................................................................................16 4.3Testsetup.....................................................................................................................16 4.4Testresults...................................................................................................................16 4.5OriginalTestData.........................................................................................................17 5.CONDUCTEDOUTPUTPOWER........................................................................................18 5.1LIMIT............................................................................................................................18 5.2TESTPROCEDURE.....................................................................................................18 5.3TESTSETUP...............................................................................................................18 5.5TESTRESULTS...........................................................................................................18 6.BANDEDGEANDSPURIOUS(CONDUCTED)..................................................................19 6.1LIMIT............................................................................................................................19 6.2TESTPROCEDURE.....................................................................................................19 6.3TESTSETUP...............................................................................................................19 6.4TESTRESULTS...........................................................................................................20 6.5Originaltestdata..........................................................................................................20 7.POWERSPECTRALDENSITY...........................................................................................22 7.1LIMIT............................................................................................................................22 7.2TESTPROCEDURE................................................................................…

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UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Report for Broadcom By Alfred Grau Manufacture's Name:ZLG Zhiyuan Electronics ZLG Zhiyuan Electronics Building, No. 43, Sicheng Road, Tianhe District, Guangzhou City, Guangdong Province UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Tested Products.• Antenna 1: integrated antenna. • Frequency = 2.402GHz. • Frequency = 2.441GHz. • Frequency = 2.480GHz. UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Coordinate System Reference: Antenna 1. 3-1NormalModuleWiggleAntenna TheperformanceofS11asblowshowandtheworkingfrequencybandcover2.4G ISM. UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Return Loss: Antenna 1 BW(-10dB) ¡ 13.48% 2 2.2 2.4 2.6 2.8 3 Frequency (GHz) -16-14-12-10 -8-6-4-2 R e t u r n L o s s ( d B ) UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Measurements summary Frequency (GHz) Plane Return Loss (dB) Polarization Gain max. (dBi) θ for Gain max. φ for Gain max. Antenna 1 2.402 XZ -10.90 Vertical -7.8 290 2.402 XZ -10.90 Horizontal 0.786 182 2.402 YZ -10.90 Vertical 1.21 226 2.402 YZ -10.90 Horizontal -7.75 10 2.402 XY -10.90 Vertical -15.4 20 2.402 XY -10.90 Horizontal 0.93 180 2.441 XZ -12.20 Vertical -7.36 318 2.441 XZ -12.20 Horizontal 1.32 180 2.441 YZ -12.20 Vertical 0.981 204 2.441 YZ -12.20 Horizontal -8.23 24 2.441 XY -12.20 Vertical -14.1 -14 2.441 XY -12.20 Horizontal 1.74 180 2.48 XZ -13.80 Vertical -7.95 312 2.48 XZ -13.80 Horizontal 1.81 186 2.48 YZ -13.80 Vertical 0.204 214 2.48 YZ -13.80 Horizontal -8.38 8 2.48 XY -13.80 Vertical -15.8 12 2.48 XY -13.80 Horizontal 1.87 180

Page 1 of1ReportNo.:FCS202408314 Below1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup