2BXCV-RX121AIR-GROUND VEHICLE

FCC Caution: 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BXCV-RX121RX121,HT45,RX101,RX102,RX103,RX105,RX1 06,RX107,RX108,RX109,RX123,RX125,RX126 ,RX127,RX128,RX129,RX151,RX152,RX153,R X155 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature Company Name: LOBOSIOWAINCshantoushirongxiakejiyouxiangongsi FRN:00364139610038697314 ContactName:HarleyLiWanglinXia Address:4623BittercreekDrColorado SpringsCO80922US ShantouCityChenghaiDistrict LianxiaTownGuanlongIndustrial Zone1 Phone:+18188180538-- Email:[email protected]@qq.com

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestasfollows fortheproductlistedbelow: FCCIDModelname 2BXCV-RX121RX121,HT45,RX101,RX102,RX103,RX105,RX 106,RX107,RX108,RX109,RX123,RX125,RX1 26,RX127,RX128,RX129,RX151,RX152,RX15 3,RX155 We, Applicant CompanyName:shantoushirongxiakejiyouxiangongsi Address:ShantouCityChenghaiDistrictLianxiaTown GuanlongIndustrialZone1 Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentifiedon theCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-08-18 SignatureDate PrintedNameofSignee:WanglinXia Company:shantoushirongxiakejiyouxiangon gsi Phone:N/A Email:N/A Address:ShantouCityChenghaiDistrict LianxiaTownGuanlongIndustrialZone1 Fax:N/A

shantoushirongxiakejiyouxiangongsi ‘ToyDrone’Attestationletter FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoadColumbia,MD21048 Towhomitmayconcern PursuanttoDA-26-588Arequirements,weattestasfollowsfortheproductlistedbelow: ModelNo.:RX121; We(shantoushirongxiakejiyouxiangongsi)certifythattheequipmentforwhichauthorizationisappliedforisa‘ToyDrone’complyingwithallthe followingcriteria. No.RequirementConfirmationResultDetailedDescription 1MaximumTake-offWeightisequaltoorlessthan150grams Yes☐No ItsmaximumTake-offweightis69grams 2Operationislimitedtoline-of-sightoperationsequaltoorlessthan100meters Yes☐No Itsmaximumflightdistanceis30m 3Maximumsustainedaltitudemustbeequaltoorlessthan300feet Yes☐No Itsmaximumsustainedaltitudeis40m 4 NoGPS/GNSSorequivalentsystem (e.g.,noreturn-to-home,waypointmissions,orsubjecttracking) Yes☐No NoGPS/GNSSandequivalentsystem. 5 Noconnectivityornetworkcapability(e.g.,noconnectiontoInternet,mobile apps,cellularnetworks,Wi-Fi),butmayincludeadedicatedradio-frequency linkbetweencontrolleranddrone,typicallyon2.4GHzor5.8GHzbands; Yes☐No Thisproductcannotconnecttowireless-network.Its remotecontrolleradopts2.4 GHzproprietarywireless technology,andtheaircraftonlyhasareceivingfunction only. 6 Noimagingorsensingcapabilities (e.g.,nophoto/videocamera,microphones,livevideofeed,onboardrecording, orsensorscapableofsurveillanceordatagatheringonthetoy); Yes☐No Noimagingorsensingcapabilities. 7Flighttimemustbeequaltoorlessthan10minutes Yes☐No Itsmaximumflighttimeis7minutes. 8Maximumhorizontalspeedmustbeequaltoorlessthan10meters/second Yes☐No Itsmaximumhorizontalspeedis5meters/second. shantoushirongxiakejiyouxiangongsi 9Explicitlymarketedasatoyforrecreationaluse Yes☐No Thisproductisdefinedasarecreationaltoydrone. 10 Nomodularpayloadinterface,suchasairdropandreleasemechanisms, searchlightsandstrobes,andmicro-FPVcamerasandprotectioncages Yes☐No Nomodularpayloadinterface. 11Doesnotcontainbrushlessmotors Yes☐No Thisproductadoptscore-lessmotors. 12 IsnotproducedbyanentityidentifiedinSection1709oftheFiscalYear2025 NationalDefenseAuthorizationAct. Yes☐No Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, Signature Date:2026-8-25 PrintedNameofSignee:WanglinXia Company:shantoushirongxiakejiyouxiangongsi Address:ShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1,GuangdongProvince,China Email:[email protected]

shantoushirongxiakejiyouxiangongsi ShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1 Date:2026-08-18 FCCID:2BXCV-RX121 ModelNumber:RX121,HT45,RX101,RX102,RX103,RX105,RX106,RX107,RX108,RX109, RX123,RX125,RX126,RX127,RX128,RX129,RX151,RX152,RX153,RX155 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,shantoushirongxiakejiyouxiangongsiherebydeclarethatourproduct(AIR-GROUND VEHICLE ) ModelNumber:RX121,HT45,RX101,RX102,RX103,RX105,RX106,RX107, RX108,RX109,RX123,RX125,RX126,RX127,RX128,RX129,RX151,RX152,RX153,RX155 electricalidentical,theSchematic,PCBlayout,structureandsoftwarearesame,theonly differencebetweenthesemodelsisthename. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:WanglinXia/Manager Company:shantoushirongxiakejiyouxiangongsi Address:ShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1 Phone:N/A FaxNumber:N/A E-Mail: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 2BXCV-RX121RX121,HT45,RX101,RX102,RX103,RX105,RX106 ,RX107,RX108,RX109,RX123,RX125,RX126,RX1 27,RX128,RX129,RX151,RX152,RX153,RX155 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicableexhibits asthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-08-18 SignatureDate PrintedNameofSignee/Title:WanglinXia/Generalmanager Company:shantoushirongxiakejiyouxiangongsi Address:ShantouCityChenghaiDistrictLianxiaTownGuanlong IndustrialZone1,GuangdongProvince,China Phone:-- Fax:-- Email:--

ReportNo.:CISRR26072252401 Page 40 of 44 8.EXTERNALANDINTERNALPHOTOS 8.1.ExternalPhotos ReportNo.:CISRR26072252401 Page 41 of 44

Label Size:20mm*10mm AIR-GROUND VEHICLE Model No.:RX121 FCC ID:2BXCV-RX121 Label Location

ReportNo.:CISRR26072252401 Page 42 of 44 8.2.InternalPhotos ReportNo.:CISRR26072252401 Page 43 of 44 ReportNo.:CISRR26072252401 Page 44 of 44 ------Endofthereport----- ANT

ReportNo.: CISRR26072252402 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.: CISRR26072252402 ProjectNo.: CISR260722524 FCCID:2BXCV-RX121 Applicant:shantoushirongxiakejiyouxiangongsi Address:ShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1 Manufacturer: shantoushirongxiakejiyouxiangongsi Address: ShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1 ProductName: AIR-GROUNDVEHICLE TradeMark:- Model/Typereference:RX121 ListedModel(s): HT45,RX101,RX102,RX103,RX105,RX106,RX107,RX108,RX109, RX123,RX125,RX126,RX127,RX128,RX129,RX151,RX152,RX153,RX155 Standard:47CFRPart2.1093 Issuedate:August14,2026 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR26072252402 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00August14,2026Original ReportNo.: CISRR26072252402 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION 2.4GHzBand Supportedtype:GFSK Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS Thesedevicesuseasingletransmittermoduleandantennaforboth2.4G,2.4Gcannottransmit simultaneously. ReportNo.: CISRR26072252402 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP(dBm) Minimum distance (mm) Evaluated value LimitResult 2.4G2.440-0-8.56-7.005.000.06233.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. 2.4G:FieldStrength:86.59dBuV/m@3m; EIRP=E-104.7+20logD=86.59-104.7+20log3=-8.56dBm ReportNo.: CISRR26072252402 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.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--------

深圳市利信辉电子有限公司 ShenzhenLixinhuiElectronicsCo.,Ltd AntennaDataSheet 客户名称 CustomerName：利信辉电子 产品名称： ProductName：2.4G天线全长35mm白色 客户型号： ProductName: 产品料号： PartNO.:C10-35-2.5 制表： WriteBy：周敏 日期：IssuedDate:2019-08-05 地址：深圳市宝安区福永街道凤凰凤业１路３号 Address:No.3,FenghuangFengye1stRoad,FuyongStreet, Bao'anDistrict,Shenzhen 客户: 工程R&DDept采购BusinessDept承认ApprovedBy 利信辉 研发R&DDept 工程EngineerDept 审核Approval ProductSpecification A.ElectricalCharacteristics Frequency2400MHz~2500MHz VSWR<3.0 Efficiency>30% Impedance50Ohm PolarizationLine Gain0DBi B.Material&MechanicalCharacteristics MaterialofRadiatorCu CableType1.019P白色 ConnectorType:NO Dimension C.Environmental OperationTemperature-30°C~+80°C StorageTemperature-30°C~+85°C TestEquipment&Conditions 1．NetworkAnalyzers: Agilent8753D5071B 2．CommunicationsTestSet: AgilentE5515C Effiency&Gain 2.40-0.00 2.440-0.11 2.48-0.13 RadiationPattern:

ReportNo.:CISRR26072252401 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of37 TESTREPORT ReportNo.CISRR26072252401 ProjectNo.CISR260722524 FCCID2BXCV-RX121 Applicantshantoushirongxiakejiyouxiangongsi AddressShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1 Manufacturershantoushirongxiakejiyouxiangongsi AddressShantouCityChenghaiDistrictLianxiaTownGuanlongIndustrialZone1 ProductNameAIR-GROUNDVEHICLE Trademark- Model/TypereferenceRX121 ListedModel(s) HT45,RX101,RX102,RX103,RX105,RX106,RX107,RX108,RX109, RX123,RX125,RX126,RX127,RX128,RX129,RX151,RX152,RX153,RX155 Standard 47CFRPart15.249 DateofsamplereceiptJuly24,2026 TestdateJuly24,2026toAugust14,2026 IssuedateAugust14,2026 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR26072252401 Page 2 of 37 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................5 4.4.Deviationfromstandards...........................................................................................................................5 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 6.2.1.20dBOccupiedBandwidth....................................................................................................................11 6.2.2.Fieldstrengthoffundamental...............................................................................................................14 6.2.3.Bandedgeemissions(Radiated)..........................................................................................................21 6.2.4.Emissionsinfrequencybands(below1GHz)......................................................................................26 6.2.5.Emissionsinfrequencybands(above1GHz).....................................................................................30 ReportNo.:CISRR26072252401 Page 3 of 37 1.STANDARDANDAPPLICABLETESTMETHODS Thetestswereperformedaccordingtofollowingstandards: 47CFRPart15.249:Operationwithinthebands902-928MHz,2400-2483.5MHz,5725-5875MHZ,and 24.0-24.25GHz ANSIC63.10-2020:AmericanNationalStandardofProceduresforComplianceTestingofUnlicensed WirelessDevices. 2.REPORTVERSION VersionNo.IssuedateDescription 00August14,2026Original ReportNo.:CISRR26072252401 Page 4 of 37 3.TESTDESCRIPTION No.TestItemStandardRequirementResult 1Antennarequirement47CFRPart15.203Pass 220dBOccupiedBandwidth47CFR15.215(c)Pass 3Fieldstrengthoffundamental 47CFR15.249(a) 47CFR15.249(b)(1) Pass 4Bandedgeemissions(Radiated)47CFR15.249(d)Pass 5 Emissionsinfrequencybands(below 1GHz) 47CFR15.249(a) 47CFR15.249(d) 47CFR15.249(e) Pass 6 Emissionsinfrequencybands(above 1GHz) 47CFR15.249(a) 47CFR15.249(d) 47CFR15.249(e) Pass Note: ‒Themeasurementuncertaintyisnotincludedinthetestresult. ReportNo.:CISRR26072252401 Page 5 of 37 4.SUMMARY 4.1.ProductDescription* Mainunitinformation: ProductName:AIR-GROUNDVEHICLE Trademark:- ModelNo.:RX121 ListedModel(s): HT45,RX101,RX102,RX103,RX105,RX106,RX107,RX108,RX109, RX123,RX125,RX126,RX127,RX128,RX129,RX151,RX152,RX153,RX15 5 Modeldifference:Theydifferonlyinmodelnaming. Powersupply:DC4.5V(3*AAAsizebattery) Hardwareversion:- Softwareversion:- 4.2.RadioSpecificationDescription* Modulationtype:GFSK Ope…

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ReportNo.:CISRR26072252401 Page 39 of 44 7.TESTSETUPPHOTOS Fieldstrengthoffundamental Bandedgeemissions(Radiated) Emissionsinfrequencybands(above1GHz) Emissionsinfrequencybands(below1GHz)