2BKMC-MA01white noise machine

FCCWarningStatement:Changesormodificationstothisunitnotexpressly approvedbythepartyresponsibleforcompliancecouldvoidtheuser’s authoritytooperatetheequipment.Thisequipmenthasbeentestedandfound tocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15ofthe FCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradio communications. However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffand on,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreof thefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. - Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected. - Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)thisdevicemaynotcauseharmfulinterference, and(2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. FCCRadiationExposureStatement ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.The devicecanbeusedinportableexposureconditionwithoutrestriction.

GuangzhouAnrunElectronicCommerceCo.,Ltd. 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:GuangzhouAnrunElectronicCommerceCo.,Ltd. Address:Room3007-2,No.157,LinhexiRoad,TianheDistrict,Guangzhou,GuangdongChina ProductName:whitenoisemachine FCCID:2BKMC-MA01 Model(s):MA01,MA02,MA03,MA012,MA013 2.911(d)(5)(i)EquipmentType We,[GuangzhouAnrunElectronicCommerceCo.,Ltd.](“theapplicant”)certifythattheequipment forwhichauthorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:PeicongChenDate:2024.8.29 TitleandCompanyname:Manager/GuangzhouAnrunElectronicCommerceCo.,Ltd. NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

GuangzhouAnrunElectronicCommerceCo.,Ltd. 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:GuangzhouAnrunElectronicCommerceCo.,Ltd. Address:Room3007-2,No.157,LinhexiRoad,TianheDistrict,Guangzhou,GuangdongChina ProductName:whitenoisemachine FCCID:2BKMC-MA01 Model(s):MA01,MA02,MA03,MA012,MA013 2.911(d)(5)(ii)Applicantfiling We,[GuangzhouAnrunElectronicCommerceCo.,Ltd.](“theapplicant”)certifythat,asofthedateof thefilingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 , establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:PeicongChenDate:2024.8.29 TitleandCompanyname:Manager/GuangzhouAnrunElectronicCommerceCo.,Ltd. NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

GuangzhouAnrunElectronicCommerceCo.,Ltd. AgentAuthorization Company:GuangzhouAnrunElectronicCommerceCo.,Ltd. Address:Room3007-2,No.157,LinhexiRoad,TianheDistrict,Guangzhou,Guangdong China ProductName:whitenoisemachine ModelNumber(s):MA01,MA02,MA03,MA012,MA013 ProductDescription:whitenoisemachine WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.8.29 Name:PeicongChen Title:Manager Company:GuangzhouAnrunElectronicCommerceCo.,Ltd.

GuangzhouAnrunElectronicCommerceCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.8.29 Subject;RequestforConfidentiality FCCID:2BKMC-MA01 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure 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:PeicongChen Title:Manager

EUTPHOTO(ExternalPhotos) ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation 3cm 2cm whitenoisemachine FCCID:2BKMC-MA01

EUTPHOTO(InternalPhotos) ※※※※※ENDOFREPORT※※※※※ ANT

FCCID:2BKMC-MA01 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, EDR ModeMax Power(dBm) Max Power(mW) Frequency(MHz)Min. distance(mm) Calc. thresholds limit GFSK7.4425.549240251.7203.0 π/4-DQPSK7.7815.999240251.8603.0 8-DPSK7.9086.177240251.9153.0 SoaSARtestisnotrequired.

QuickReferenceDate Allthetechnicaldataandinformationcontainedhereinaresubjecttochangewithoutpriornotice AntennaLayout&moduleonthe systemboard AntennaGain GainTable Ant.PortInputPwr.(dBm) Tot.Rad.Pwr.(dBm) Directivity(dBi) Efficiency(dB) MinimumPower(dBm) Avg.Power(dBm) Max/MinRatio(dB) Max/AvgRatio(dB) Min/AvgRatio(dB) AverageGain(dB) Product specification Antenna module on the system board Frequency 2.4GHz-2.48GHz 0 (Typ. BT class 2 output power) -2.3 (Input pwr – loss pwr) Peak EIRP(dBm) 1.7 1(all direction antenna) -2.3 (58.5%) Gain (dBi) 1.7 (Peak Gain XZ-plane) Maximum Power (dBm) 1.7 (XY-plane) -4(XY-plane) -0.5(XY-plane) 5.3(XY-plane) 1.8(XY-plane) -3.5(XY-plane) -0.5 (Avg Gain XY-plane) UnitindBi @2.44GHz XY-planeXZ-planeYZ-planeEfficiency PeakAvg.PeakAvg.PeakAvg. ModuleBoard 1.3-0.51.7-3.81.1-3.058.5% ReturnLoss TheEnvironmentofAntennaRadiationPattern 3Dradiationpatterndiagram XY-planeXZ-planeYZ-plane

ProjectNo.:ZKT-24081910123E Page 1 of 79 FCCTESTREPORT FCCID:2BKMC-MA01 ReportNumber.....................................:ZKT-24081910123E DateofTest......................................................:Aug.06,2024toAug.23,2024 Dateofissue.........................................:Aug.23,2024 Totalnumberofpages ......................... 79 TestResult..........................................: PASS TestingLaboratory...........................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: GuangzhouAnrunElectronicCommerceCo.,Ltd. Address...............................................: Room3007-2,No.157,LinhexiRoad,TianheDistrict,Guangzhou, Guangdong Manufacturer'sname......................: GuangzhouAnrunElectronicCommerceCo.,Ltd. Address ............................................... : Room3007-2,No.157,LinhexiRoad,TianheDistrict,Guangzhou, Guangdong Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo........................: TRF-EL-112_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2021-04-22 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :whitenoisemachine Trademark...........................................:Mavogel Model/Typereference.........................:MA01 MA02,MA03,MA012,MA013 Ratings..................................................: Input:5V400mA Battery:3.7V450mAh,1.665Wh ProjectNo.:ZKT-24081910123E Page 2 of 79 Testingprocedureandtestinglocation: TestingLaboratory ....................................... :ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China Jim.Liu Testedby(name+signature).......................: Jackson.Fang Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-24081910123E Page 3 of 79 TableofContents Page 1.VERSION..................................................................................................................................5 2.TESTSUMMARY...................................................................................................................6 2.1TESTFACILITY.........................................................................................................................7 2.2MEASUREMENTUNCERTAINTY......................................................................................7 3.GENERALINFORMATION..................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...................................................................................8 3.2TestSetupConfiguration......................................................................................................10 3.3SupportEquipment.................................................................................................................10 3.4TestMode.................................................................................................................................11 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................12 4.EMCEMISSIONTEST........................................................................................................14 4.1Conductedemissions............................................................................................................14 4.1.1POWERLINECONDUCTEDEMISSIONLimits.......................................................14 4.1.2TESTPROCEDURE..........................................................................................................14 4.1.3DEVIATIONFROMTESTSTANDARD.......................................................................14 4.1.4TESTSETUP.......................................................................................................................15 4.1.5EUTOPERATINGCONDITIONS..................................................................................15 4.1.6TestResult............................................................................................................................16 4.2Radiatedemissions................................................................................................................18 4.2.1RadiatedEmissionLimits.................................................................................................18 4.2.2TESTPROCEDURE..........................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD.......................................................................19 4.2.4TESTSETUP.......................................................................................................................19 4.2.5EUTOPERATINGCONDITIONS..................................................................................20 4.2.6TESTRESULTS..................................................................................................................21 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................29 5.1TestRequirement:.....................................................................................…

Text truncated - open the document above for the full version.

EUTTESTPHOTO ※※※※※ENDOFREPORT※※※※※