2A434-P4P4 wireless controller

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

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenKaixudaElectronicsCo.,Ltd. Company:ShenzhenKaixudaElectronicsCo.,Ltd. Address:7thFloor,Building34,District5,LongzaiIndustrialZone,Shiyan, BaoanDistrict,Shenzhen ProductName:P4wirelesscontroller ModelNumber:P4 FCCIdentifier:2A434-P4 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:SusanLiuDate:28Feb,2022 Title:SalesExecutive Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ShenzhenKaixudaElectronicsCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:28Feb,2022 Subject:RequestforConfidentiality FCCID: 2A434-P4 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality 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______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:SusanLiu Title:SalesExecutive

Page1of3ReportNo.:FCS202202068 Externalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202202068 Photo3 Photo4 Page3of3ReportNo.:FCS202202068 Photo5 Photo6

LabelandLabelLocation FCCID:2A434-P4 L*W:10mm*5mm labelandWhitefont

Page1of6ReportNo.:FCS202202068 Internalphotos Photo1 Photo2 Page2of6ReportNo.:FCS202202068 Photo3 Photo4 Page3of6ReportNo.:FCS202202068 Photo5 ANT Photo6 Page4of6ReportNo.:FCS202202068 Photo7 Photo8 Page5of6ReportNo.:FCS202202068 Photo9 Photo10 Page6of6ReportNo.:FCS202202068 Photo11 Photo12

FCCTestReport ReportNo:FCS202202068W01 Issuedfor Applicant: ShenzhenKaixudaElectronicsCo.,Ltd. Address: Building34,Zone5,ShiyanShiLongzaiIndustrial Zone,BaoanDistrict,Shenzhen ProductName: P4wirelesscontroller BrandName: N/A ModelName: P4 SeriesModel: N/A FCCID: 2A434-P4 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com Page2of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:ShenzhenKaixudaElectronicsCo.,Ltd. Address......................................: Building34,Zone5,ShiyanShiLongzaiIndustrialZone,Baoan District,Shenzhen Manufacture'sName ................ :ShenzhenKaixudaElectronicsCo.,Ltd. Address ...................................... : Building34,Zone5,ShiyanShiLongzaiIndustrialZone,Baoan District,Shenzhen ProductDescription ProductName...........................:P4wirelesscontroller BrandName ............................. :N/A ModelName..............................:P4 SeriesModel .............................. :N/A TestStandards..........................:FCCRulesandRegulationsPart15SubpartC,Section249 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocument maybealteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests.:04Feb.2022~17Feb.2022 DateofIssue.................................:17Feb.2022 TestResult.....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page3of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS5 1.1TESTFACTORY6 1.2MEASUREMENTUNCERTAINTY6 2.GENERALINFORMATION7 2.1GENERALDESCRIPTIONOFTHEEUT7 2.2DESCRIPTIONOFTHETESTMODES9 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS10 2.4EQUIPMENTSLIST11 3CONDUCTEDEMISSIONMEASUREMENT12 3.1LIMIT12 3.2TESTPROCEDURE12 3.3TESTSETUP13 3.4TESTRESULTS14 4.RADIATEDEMISSIONMEASUREMENT16 4.1LIMIT16 4.2TESTPROCEDURE17 4.3TESTSETUP18 4.4TESTRESULTS19 5.BANDEDGETEST25 5.1LIMIT25 5.2TESTPROCEDURE25 5.3TESTSETUP26 5.4TESTRESULTS27 6.20DBBANDWIDTHTEST28 6.1LIMIT28 6.2TESTPROCEDURE28 6.3TESTSETUP28 6.4TESTRESULTS29 7.ANTENNAREQUIREMENT31 7.1STANDARDREQUIREMENT31 7.2EUTANTENNA31 Page4of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com RevisionHistory Rev.IssueDateEffectPageContents 0017Feb.2022AllInitialIssue Page5of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 1.SUMMARYOFTESTRESULTS FCCPart15.249,SubpartC Standard Section TestItemJudgmentRemark 15.207ConductedEmissionPASS-- 15.205(a),15.209(a), 15.249(a),15.249(c) RadiatedSpuriousEmissionPASS-- 15.209FieldstrengthoffundamentalPASS 15.249(d)BandEdgeEmissionPASS-- 15.215(c)20dBBandwidthPASS-- 15.203AntennaRequirementPASS-- NOTE: (1)”N/A”denotestestisnotapplicableinthisTestReport (2)AlltestsareaccordingtoANSIC63.10-2013 Page6of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 1.1TESTFACTORY CompanyName:FluxComplianceServiceLaboratory Address: Room105FloorBaohaoTechnologyBuilding1NO.15Gongye WestRoadHi-TechIndustrial,SongshanlakeDongguan Telephone:+86-769-27280901 Fax:+86-769-27280901 FCCTestFirmRegistrationNumber:514908 Designationnumber:CN0127 A2LAaccreditationnumber：5545.01 1.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedona standarduncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidenceof approximately95%. No.ItemUncertainty 1RFoutputpower,conducted±0.71dB 2UnwantedEmissions,conducted±2.98dB 3ConductedEmission(9KHz-150KHz) ±4.13dB 4ConductedEmission(150KHz-30MHz) ±4.74dB 5Allemissions,radiated(<1G)30MHz-1000MHz ±3.2dB 6Allemissions,radiated(1GHz-18GHz) ±3.66dB 7Allemissions,radiated(18GHz-40GHz) ±4.31dB Page7of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 2.GENERALINFORMATION 2.1GENERALDESCRIPTIONOFTHEEUT ProductNameP4wirelesscontroller TradeNameN/A ModelNameP4 SeriesModelN/A ModelDifferenceN/A ChannelList PleaserefertotheNote2. BT Frequency:2402-2480MHz Modulation:GFSK Datarate:1Mbps Channelnumber:40CH PowerSupplyDC5V BatteryDC3.7V HardwareversionnumberV1.0 SoftwareversionnumberV1.0 ConnectingI/OPort(s)PleaserefertotheUser'sManual Note: 1. Foramoredetailedfeaturesdescription,pleaserefertothemanufacturer’sspecifications ortheUser'sManual. Page8of31ReportNo.:FCS202202068W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 2. 3.TableforFiledAntenna Ant.Brand Model Name AntennaTypeConnectorGain(dBi)NOTE 1NANHFX PCB antenna N/A1.0Antenna Page9of31ReportNo.:FCS202202068W01 Flux…

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Page 1 of2ReportNo.:FCS202202068 Blow1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup Page 2 of2ReportNo.:FCS202202068 Conductedemissiontestsetup