2A3SYDRCF01Remote control

Any changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. 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.

HesungInnovationLimited FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:February28,2024 FCCID:2A3SYDRCF01 Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing HesungInnovationLimitedcertifiesthattheequipmentforwhichauthorizationissoughtis not“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing HesungInnovationLimitedcertifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredListasanentityproducing“covered” equipment. Applicant:HesungInnovationLimited Address:Room803,ChevalierHouse,45-51ChathamRoadSouth,TsimShaTsui,Kowloon, HongKong ContactPerson:BeraYang Tel.:+86-13826971634 Email:[email protected] Sincerely, Signature:

HesungInnovationLimited Address：Room803,ChevalierHouse,45-51ChathamRoadSouth,TsimShaTsui, Kowloon,HongKong FRN:0031685647 Date:February28,2024 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2A3SYDRCF01 HesungInnovationLimitedcertifiesthat,asofthedateofthefilingoftheapplication, ClevelandInternationalTradeAgency.isourdesignatedU.S.agentforserviceofprocessfor theabovereferencedFCCID.HesungInnovationLimitedacceptstomaintainanagentforno lessthanoneyearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanyCommission-relatedproceedinginvolvingtheequipment. ClevelandInternationalTradeAgencyaccepts,asofthedateofthefilingoftheapplication, theobligationofthedesignatedU.S.agentforserviceofprocessfortheaboveeferenced FCCID. DesignatedU.S.AgentInformation: Name:ClevelandInternationalTradeAgency Address:4033STClairAve,Cleveland,OH44103,USA FRN:0033401837 ContactPerson:BeckyDeng Tel.:216-600-0606 Email:[email protected] Sincerely, SignedonbehalfofHesungInnovation Limited SignedonbehalfofClevelandInternational TradeAgency signature signature Name:BeraYang Title: PojectManager Date:2024-2-28 Name: Becky Deng Title: Manager Date:2024-2-28

1 Antenna test report Customer name: 802 Project model: SRC-1623 Evaluation date: 2024-02-23 2 Edition record editioncontentUpdate reason Date 1.0Antenna testInitial issue2024-02-23 1.Test report cover.......................................1 2.Edition record.............................................2 3.catalogue......................................................3 4.status of the project.................................4 5.Antenna performance test diagram............ 6 6.Antenna passive test data........................ 7 7.Antenna passive 2D 3D diagram.................. 8 8.Antenna size diagram 3 catalogue 4 Project situation Customer Name802 Project nameSRC-1623 Number of antennas1 Antenna band 430-436MHz Structural form Onboard antenna/PCB antenna 5 Antenna performance test diagram 6 Antenna passive test data Frequency / MHzEfficiency / %Gain/ dBi 430 4.59-9.45 433 4.29-8.83 436 5.48-7.65 7 Antenna passive 2D 3D diagram Phi 0 2D图 Phi 90 2D图 Theta 90 2D图 430 433 436 8 Antenna size diagram 9 thanks！ Address: Building C, Hongyu Guangming Valley, No. 11, Youma Gang Road, Ma Tian Street, Guangming District, Shenzhen Dongguan Branch: Yingjiachuang Industrial Park, No. 2 Yinhe 3rd Road, Shishuikou, Qiaotou Town, Dongguan City Hangzhou R & D Center: 212, Building B, Dahua Jianghong International Innovation Park, 369 Internet of Things Street, Binjiang District, Hangzhou Mianyang R&D Center: No. 4F-34 Wanxiang High-tech International, 35 Mianxing East Road, High-tech Zone, Mianyang City, Sichuan Province phone：18926060339 http://www.szsyjc.com emal:[email protected] Shenzhen Yingjia Chuang electronic technology Co., LTD

HesungInnovationLimited OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:February28,2024 Subject;RequestforConfidentiality FCCID:2A3SYDRCF01 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram OperationalDescription Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:BeraYang Title:PojectManager

EffectiveDate:April2,2020QSF7.6.4-8–AgentAuthorizationLetterTemplatePage1of1 RevisionDate:Revision:0 HesungInnovationLimited Date:February28,2024 ProductModelNumber:DR-RM43301 FCCID：2A3SYDRCF01 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C.CanadaV5J5K5to actonourbehalfonallmattersconcerningtheabovenamedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformationrelatedtotheapproval projecttotheappliedcertificationbodyandtothenotificationentitiesandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyORGANIZATION.onour behalfshallhavethesameeffectasactsofourown. By:BeraYang ContactListedonFCCWesbite Title:PojectManager Email: [email protected] Telephone:+86-13826971634 Onbehalfof:HesungInnovationLimited

Externalphotos

14mm 26.3mm 3.4mm 4.7mm 4.0mm 8.0mm 63.3mm 11mm

Internalphotos ANT

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20240100165E-02 Applicant:HesungInnovationLimited AddressofApplicant:Room803,ChevalierHouse,45-51ChathamRoadSouth,TsimShaTsui, Kowloon,HongKong EquipmentUnderTest(EUT): EUTName:Remotecontrol TestModelNo.:DR-RM43301 ModelNo.:DR-RM43301 BrandName:DREO FCCID: 2A3SYDRCF01 Standards: 47CFRPart1.1307 47CFRPart2.1093 447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt: 2024-01-16 DateofTest: 2024-01-16to2024-02-23 DateofIssue: 2024-03-08 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (AlexWang) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240100165E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20240100165E-02Rev.01 Initialreport 2024-03-08 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240100165E-02 Page:3of7 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOF433.92MHZ........................................................................................................................4 4SAREVALUATION...........................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3EUTRFExposure..............................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240100165E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant: HesungInnovationLimited AddressofApplicant: Room803,ChevalierHouse,45-51ChathamRoadSouth,TsimSha Tsui,Kowloon,HongKong Manufacturer: ShenzhenHesungInnovationTechnologyCo.,LTD AddressofManufacturer: 26thFloor,BuildingA7,Chuangzhiyuncheng,LiuxianAvenue, NanshanDistrict,Shenzhen Factory: ShenzhenHesungInnovationTechnologyCo.,LTD AddressofFactory: 26thFloor,BuildingA7,Chuangzhiyuncheng,LiuxianAvenue, NanshanDistrict,Shenzhen 3.2GeneralDescriptionofEUT ProductName: Remotecontrol ModelNo.: DR-RM43301 TestModelNo DR-RM43301 TradeMark: DREO EUTSupportsRadiosapplication:433.92MHz SoftwareVersion: S1623A4459-E HardwareVersion: v1.3 SampleType: MobilePortable EUTPowerSupply: Buttonbattery:DC3V 3.3GeneralDescriptionof433.92MHz OperationFrequency: 433.92MHz ModulationType: FSK NumberofChannel: 1 TestSoftwareofEUT: FSK AntennaType: PCBantenna AntennaGain: -8.83dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20240100165E-02 Page:5of7 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataas representativeofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttest positions(e.g.body,head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.This testreductionprocessprovidesfortheuseoftestdataforonespecificchannel,whilereferencingto thosedatafordemonstratingcomplianceinotherrequiredchannelsforeachtestpositionofan exposurecondition,withintheoperatingmodeofafrequencyband.Thisislimitedspecificallytowhen thereported1-gor10-gSARforthemid-bandorhighestoutputpowerchannelmeetsanyofthe followingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtime averaged powerormaximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasoflengthgreaterthanλ/4wherethegainisnotwelldefined,but alwayslessthanthatofahalf-wavedipole(lengthλ/2),theavailablemaximumtime-averaged powergeneratedbythedevicemaybeusedinplaceofthemaximumtime-averagedERP,where thatvalueisnotknown. Theseparationdistance…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20240100165E-01 Applicant:HesungInnovationLimited AddressofApplicant:Room803,ChevalierHouse,45-51ChathamRoadSouth,TsimShaTsui, Kowloon,HongKong EquipmentUnderTest(EUT): EUTName:Remotecontrol ModelNo.:DR-RM43301 TestModelNo.:DR-RM43301 BrandName:DREO FCCID: 2A3SYDRCF01 Standards: 47CFRPart15,SubpartC DateofReceipt: 2024-01-16 DateofTest: 2024-01-16to2024-02-23 DateofIssue: 2024-03-08 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (AlexWang) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20240100165E-01 Page: 2 of 31 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20240100165E-01Rev.01 Initialreport 2024-03-08 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20240100165E-01 Page: 3 of 31 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203 ANSIC63.10(2013)PASS ConductedEmission (150KHzto30MHz) 47CFRPart15,SubpartC Section15.207 ANSIC63.102013N/A FieldStrengthofthe FundamentalSignal 47CFRPart15,SubpartCSection 15.231(b) ANSIC63.10(2013)PASS SpuriousEmissions 47CFRPart15,SubpartCSection 15.231(b)/15.209 ANSIC63.10(2013)PASS 20dBBandwidth 47CFRPart15,SubpartCSection 15.231(c) ANSIC63.10(2013)PASS DwellTime 47CFRPart15,SubpartCSection 15.231(a) ANSIC63.10(2013)PASS N/A:NotApplicable,theEUTwasworkingbyDC. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20240100165E-01 Page: 4 of 31 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT..............................................................................................................................5 4.3TESTENVIRONMENTANDMODE...............................................................................................................................6 4.4DESCRIPTIONOFSUPPORTUNITS...........................................................................................................................6 4.5TESTLOCATION.........................................................................................................................................................6 4.6TESTFACILITY...........................................................................................................................................................7 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY.................................................................................................7 4.8DEVIATIONFROMSTANDARDS..................................................................................................................................7 4.9ABNORMALITIESFROMSTANDARDCONDITIONS......................................................................................................7 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER.......................................................................................7 4.11EQUIPMENTLIST......................................................................................................................................................8 5TESTRESULTSANDMEASUREMENTDATA.......................................................................................................9 5.1ANTENNAREQUIREMENT...........................................................................................................................................9 5.2SPURIOUSEMISSIONS.............................................................................................................................................10 5.2.1DutyCycle......................................................................................................................................................10 5.2.2SpuriousEmissions......................................................................................................................................13 5.320DBBANDWIDTH...................................................................................................................................................21 5.4DWELLTIME.............................................................................................................................................................23 6PHOTOGRAPHS-EUTTESTSETUP.....................................................................................................................25 6.1RADIATEDEMISSION................................................................................................................................................25 7PHOTOGRAPHS-EUTCONSTRUCTIONALDETAILS......................................................................................27 ShenzhenHuaxiaTestingTechnologyCo.,Ltd Repo…

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1Photographs-EUTTestSetup 1.1RadiatedEmission 9kHz~30MHz: 30MHz~1GHz: Above1GHz: