2AVRVKRMC120Karaoke Microphone

DPAudioVideoLLC DeclarationofModeldifference WeDPAudioVideoLLCherebydeclare Product:KaraokeMicrophone FCCID:2AVRVKRMC120 Model:KRMC120,KRMC101BL,KRMC101RG,KRMC101LC Allmodelsareelectricallyidentical.Thedifferencesaremodelnamefor commercialpurpose Signature: Printname:RoyRyan Companyname:DPAUDIOVIDEOLLC

DATE:2023/1/9 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointBlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd./BuildingC, No.107,ShihuanRoad,ShiyanSub-DistrictBaoanDistrict,Shenzhen,Guangdong Province,China(NameofAgentcompanynameandaddress)toactasouragentinthe preparationofthisapplicationforequipmentcertification.Icertifythatsubmitted documentsproperlydescribethedeviceorsystemforwhichequipmentcertificationis sought.Ialsocertifythateachunitmanufactured,importedormarketed,asdefinedinthe FederalCommunicationsCommission’sregulationswillhaveaffixedtoitalabelidentical tothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithDPAUDIOVIDEOLLC/920MalcolmAve (ApplicantNameandaddress) <Signature> Name：RoyRyan Company：DPAUDIOVIDEOLLC

DATE2023/1/9 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:_2AVRVKRMC120__ ProductName:_KaraokeMicrophone___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. <Signature> Name：RoyRyan Company：DPAUDIOVIDEOLLC

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ProductName: KaraokeMicrophone

ProductName: KaraokeMicrophone

RFExposureevaluation ProductName: KaraokeMicrophone FCCID: 2AVRVKRMC120 TestStandard: KDB447498D04GeneralRFExposureGuidance v01 Accordingto447498D04InterimGeneralRFExposureGuidancev01 Ant gain = -0.58 dBi MAX output power ：-1.97dBm@2441MHz ERP=-1.97-0.58-2.15=-4.7dBm WORSE CASE: 10^-0.197=0.635mW < 2.715 mW Then SAR evaluation is not required

Page 1 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Add:No.41,SouthofBeihuanRoad,ShangwuCommunity,ShiyanSubdistrict,Bao’anDistrict,Shenzhen,Guangdong,China Tel:+86-755-23059481Email:[email protected] TESTREPORT ProductName: KaraokeMicrophone BrandMark: coreinnovations,packedparty ModelNo.: KRMC120 Extensionmodel: KRMC101BL,KRMC101RG KRMC101LC ReportNumber: BLA-EMC-202212-A2002 FCCID: 2AVRVKRMC120 DateofSampleReceipt: 2022/12/7 DateofTest: 2022/12/7to2022/12/20 DateofIssue: 2022/12/20 TestStandard: 47CFRPart15,SubpartC15.247 TestResult:Pass Preparedfor: DPAudioVideoLLC 920MalcolmAveLosAngeles,CA,90024 Preparedby: BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. No.41,SouthofBeihuanRoad,ShangwuCommunity,ShiyanSubdistrict, Bao’anDistrict,Shenzhen,Guangdong,China TEL:+86-755-23059481 Compiledby:Reviewby: Approvedby:Date:2022/12/20 ReportNo.:BLA-EMC-202212-A2002 Page 2 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] REPORTREVISERECORD VersionNo.DateDescription 002022/12/20Original ReportNo.:BLA-EMC-202212-A2002 Page 3 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] TABLEOFCONTENTS 1TESTSUMMARY........................................................................................................................................6 2GENERALINFORMATION.........................................................................................................................7 3GENERALDESCRIPTIONOFE.U.T..........................................................................................................7 4TESTENVIRONMENT................................................................................................................................8 5TESTMODE................................................................................................................................................8 6MEASUREMENTUNCERTAINTY..............................................................................................................8 7DESCRIPTIONOFSUPPORTUNIT..........................................................................................................9 8LABORATORYLOCATION.........................................................................................................................9 9TESTINSTRUMENTSLIST......................................................................................................................10 10ANTENNAREQUIREMENT......................................................................................................................12 10.1CONCLUSION.........................................................................................................................................................12 11CONDUCTEDSPURIOUSEMISSIONS...................................................................................................13 11.1LIMITS................................................................................................................................................................13 11.2BLOCKDIAGRAMOFTESTSETUP......................................................................................................................13 11.3TESTDATA...........................................................................................................................................................14 1220DBBANDWIDTH...................................................................................................................................15 12.1BLOCKDIAGRAMOFTESTSETUP......................................................................................................................15 12.2TESTDATA...........................................................................................................................................................15 13CONDUCTEDPEAKOUTPUTPOWER..................................................................................................16 13.1LIMITS................................................................................................................................................................16 13.2BLOCKDIAGRAMOFTESTSETUP......................................................................................................................16 13.3TESTDATA...........................................................................................................................................................17 14CONDUCTEDEMISSIONSATACPOWERLINE(150KHZ-30MHZ).....................................................18 14.1LIMITS................................................................................................................................................................18 14.2BLOCKDIAGRAMOFTESTSETUP......................................................................................................................18 14.3PROCEDURE.......................................................................................................................................................18 14.4TESTDATA...........................................................................................................................................................20 15RADIATEDSPURIOUSEMISSIONS........................................................................................................22 15.1LIMITS................................................................................................................................................................22 ReportNo.:BLA-EMC-202212-A2002 Page 4 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 15.2BLOCKDIAGRAMOFTESTSETUP......................................................................................................................23 15.3PROCEDURE..................................................................…

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ReportNo.:BLA-EMC-202212-A2002 Page 31 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] [TestMode:TXhighchannel];[Polarity:Horizontal] TestResult:Pass ReportNo.:BLA-EMC-202212-A2002 Page 32 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] [TestMode:TXhighchannel];[Polarity:Vertical] TestResult:Pass ReportNo.:BLA-EMC-202212-A2002 Page 33 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 16RADIATEDEMISSIONSWHICHFALLINTHERESTRICTEDBANDS TestStandard47CFRPart15,SubpartC15.247 TestMethodANSIC63.10(2013)Section6.10.5 TestMode(Pre-Scan)TX TestMode(FinalTest)TX TesterJozu Temperature25°C Humidity60% 16.1LIMITS Frequency(MHz) Field strength(microvolts/meter) Measurement distance(meters) 0.009-0.4902400/F(kHz)300 0.490-1.70524000/F(kHz)30 1.705-30.03030 30-881003 88-2161503 216-9602003 Above9605003 Remark:Theemissionlimitsshownintheabovetablearebasedonmeasurementsemployinga CISPRquasi-peakdetectorexceptforthefrequencybands9-90kHz,110-490kHzandabove1000 MHz.Radiatedemissionlimitsinthesethreebandsarebasedonmeasurementsemployingan averagedetector,thepeakfieldstrengthofanyemissionshallnotexceedthemaximumpermitted averagelimitsspecifiedabovebymorethan20dBunderanyconditionofmodulation. ReportNo.:BLA-EMC-202212-A2002 Page 34 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 16.2BLOCKDIAGRAMOFTESTSETUP 16.3PROCEDURE a.Forbelow1GHz,theEUTwasplacedonthetopofarotatingtable0.8metersabovethegroundata3 or10metersemi-anechoicchamber.Thetablewasrotated360degreestodeterminethepositionofthe highestradiation. b.Forabove1GHz,theEUTwasplacedonthetopofarotatingtable1.5metersabovethegroundata3 meterfully-anechoicchamber.Thetablewasrotated360degreestodeterminethepositionofthehighest radiation. c.TheEUTwasset3or10metersawayfromtheinterference-receivingantenna,whichwasmountedon thetopofavariable-heightantennatower. d.Theantennaheightisvariedfromonemetertofourmetersabovethegroundtodeterminethe maximumvalueofthefieldstrength.Bothhorizontalandverticalpolarizationsoftheantennaaresetto makethemeasurement. e.Foreachsuspectedemission,theEUTwasarrangedtoitsworstcaseandthentheantennawastuned toheightsfrom1meterto4meters(forthetestfrequencyofbelow30MHz,theantennawastunedto heights1meter)andtherotatabletablewasturnedfrom0degreesto360degreestofindthemaximum reading. f.Thetest-receiversystemwassettoPeakDetectFunctionandSpecifiedBandwidthwithMaximumHold Mode. g.IftheemissionleveloftheEUTinpeakmodewas10dBlowerthanthelimitspecified,thentesting couldbestoppedandthepeakvaluesoftheEUTwouldbereported.Otherwisetheemissionsthatdidnot have10dBmarginwouldbere-testedonebyoneusingpeak,quasi-peakoraveragemethodasspecified andthenreportedinadatasheet. ReportNo.:BLA-EMC-202212-A2002 Page 35 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] h.TesttheEUTinthelowestchannel,themiddlechannel,theHighestchannel. i.TheradiationmeasurementsareperformedinX,Y,ZaxispositioningforTransmittingmode,andfound theXaxispositioningwhichitistheworstcase. j.Repeataboveproceduresuntilallfrequenciesmeasuredwascomplete. Remark1:Level=ReadLevel+CableLoss+AntennaFactor-PreampFactor Remark2:Forfrequenciesabove1GHz,thefieldstrengthlimitsarebasedonaveragelimits.However, thepeakfieldstrengthofanyemissionshallnotexceedthemaximumpermittedaveragelimitsspecified abovebymorethan20dBunderanyconditionofmodulation.Fortheemissionswhosepeaklevelis lowerthantheaveragelimit,onlythepeakmeasurementisshowninthereport. ReportNo.:BLA-EMC-202212-A2002 Page 36 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 16.4TESTDATA [TestMode:TXlowchannel];[Polarity:Horizontal] TestResult:Pass ReportNo.:BLA-EMC-202212-A2002 Page 37 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] [TestMode:TXlowchannel];[Polarity:Vertical] TestResult:Pass ReportNo.:BLA-EMC-202212-A2002 Page 38 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] [TestMode:TXhighchannel];[Polarity:Horizontal] TestResult:Pass ReportNo.:BLA-EMC-202212-A2002 Page 39 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] [TestMode:TXhighchannel];[Polarity:Vertical] TestResult:Pass ReportNo.:BLA-EMC-202212-A2002 Page 40 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 17CONDUCTEDBANDEDGESMEASUREMENT TestStandard47CFRPart15,SubpartC15.247 TestMethodANSIC63.10(2013)Section7.8.8&Section11.13.3.2 TestMode(Pre-Scan)TX TestMode(FinalTest)TX TesterJozu Temperature25°C Humidity60% 17.1LIMITS Limit: Inany100kHzbandwidthoutsidethefrequencybandinwhichthespread spectrumordigitallymodulatedintentionalradiatorisoperating,theradio frequencypowerthatisproducedbytheintentionalradiatorshallbeatleast20dB belowthatinthe100kHzbandwidthwithinthebandthatcontainsthehighest levelofthedesiredpower,basedoneitheranRFconductedoraradiated measurement,providedthetransmitterdemonstratescompliancewiththepeak conductedpowerlimits.Ifthetransmittercomplieswiththeconductedpower limitsbasedontheuseofRMSaveragingoveratimeinterval,aspermittedunder paragraph(b)(3)ofthissection,theattenuationrequiredunderthisparagraphshall be30dBinsteadof20dB.Attenuationbelowthegenerallimitsspecifiedin §15.209(a)isnotrequired.Inaddition,radiatedemissionswhichfallinthe restrictedbands,asdefinedin§15.205(a),mustalsocomplywiththeradiated emissionlimitsspecifiedin§15.209(a)(see§15.205(c)). 17.2BLOCKDIAGRAMOFTESTSETUP ReportNo.:BLA-EMC-202212-A2002 Page 41 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected]…

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ReportNo.:BLA-EMC-202212-A2002 Page 81 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 ReportNo.:BLA-EMC-202212-A2002 Page 82 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] DH5_Ant1_Low_Hop_2402 DH5_Ant1_High_Hop_2480 ReportNo.:BLA-EMC-202212-A2002 Page 83 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 2DH5_Ant1_Low_2402 2DH5_Ant1_High_2480 ReportNo.:BLA-EMC-202212-A2002 Page 84 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 ReportNo.:BLA-EMC-202212-A2002 Page 85 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 ReportNo.:BLA-EMC-202212-A2002 Page 86 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 ReportNo.:BLA-EMC-202212-A2002 Page 87 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 21.8APPENDIXH:CONDUCTEDSPURIOUSEMISSION TestResult TestModeAntennaChannel FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference-5.23-5.23---PASS 30~1000-5.23-68.56<=-25.23PASS 1000~26500-5.23-50.38<=-25.23PASS 2441 Reference-3.67-3.67---PASS 30~1000-3.67-69.5<=-23.67PASS 1000~26500-3.67-51.72<=-23.67PASS 2480 Reference-5.58-5.58---PASS 30~1000-5.58-68.07<=-25.58PASS 1000~26500-5.58-53.75<=-25.58PASS 2DH5Ant1 2402 Reference-5.24-5.24---PASS 30~1000-5.24-68.48<=-25.24PASS 1000~26500-5.24-50.16<=-25.24PASS 2441 Reference-3.69-3.69---PASS 30~1000-3.69-67.72<=-23.69PASS 1000~26500-3.69-51.37<=-23.69PASS 2480 Reference-5.55-5.55---PASS 30~1000-5.55-68.84<=-25.55PASS 1000~26500-5.55-53.86<=-25.55PASS 3DH5Ant1 2402 Reference-5.20-5.20---PASS 30~1000-5.20-68.92<=-25.2PASS 1000~26500-5.20-50.49<=-25.2PASS 2441 Reference-3.65-3.65---PASS 30~1000-3.65-68.89<=-23.65PASS 1000~26500-3.65-51.22<=-23.65PASS 2480 Reference-5.53-5.53---PASS 30~1000-5.53-68.43<=-25.53PASS 1000~26500-5.53-53.49<=-25.53PASS ReportNo.:BLA-EMC-202212-A2002 Page 88 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 ReportNo.:BLA-EMC-202212-A2002 Page 89 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] DH5_Ant1_2402_1000~26500 DH5_Ant1_2441_0~Reference ReportNo.:BLA-EMC-202212-A2002 Page 90 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] DH5_Ant1_2441_30~1000 DH5_Ant1_2441_1000~26500 ReportNo.:BLA-EMC-202212-A2002 Page 91 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 ReportNo.:BLA-EMC-202212-A2002 Page 92 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference ReportNo.:BLA-EMC-202212-A2002 Page 93 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 ReportNo.:BLA-EMC-202212-A2002 Page 94 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 ReportNo.:BLA-EMC-202212-A2002 Page 95 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 2DH5_Ant1_2441_1000~26500 2DH5_Ant1_2480_0~Reference ReportNo.:BLA-EMC-202212-A2002 Page 96 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 ReportNo.:BLA-EMC-202212-A2002 Page 97 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 ReportNo.:BLA-EMC-202212-A2002 Page 98 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference ReportNo.:BLA-EMC-202212-A2002 Page 99 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_2441_30~1000 3DH5_Ant1_2441_1000~26500 ReportNo.:BLA-EMC-202212-A2002 Page 100 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_2480_0~Reference 3DH5_Ant1_2480_30~1000 ReportNo.:BLA-EMC-202212-A2002 Page 101 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 3DH5_Ant1_2480_1000~26500 ReportNo.:BLA-EMC-202212-A2002 Page 102 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] APPENDIXA:PHOTOGRAPHSOFTESTSETUP RadiatedSpuriousEmissions ReportNo.:BLA-EMC-202212-A2002 Page 103 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] ConductedEmissionsatACPowerLine(150kHz-30MHz) ReportNo.:BLA-EMC-202212-A2002 Page 104 of 104 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] APPENDIXB:PHOTOGRAPHSOFEUT ReferencetothetestreportNo.BLA-EMC-202212-A2001 ----ENDOFREPORT---- Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,T…

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ProductName: KaraokeMicrophone RadiatedSpuriousEmissions ConductedEmissionsatACPowerLine(150kHz-30MHz)