2AVRVPBDV704DVDB7inch pdvd tablet combo

DPAUDIOVIDEOLLC Date:2020-11-27 To:FederalCommunicationsCommission FCCID:2AVRVPBDV704DVDB ToWhomItMayConcern: ThisletteristoascertainthatDPAUDIOVIDEOLLC MODELNo.:PBDV704DVDB HasbeentheunitsusedforconductingFCCcompliancetesting,theSDoCpartwill betestedbyShenzhenBCTCTestingCo.,Ltd. Ifyouhaveanyquestionorconcerns,pls.contactus. Sincerely, Client’ssignature： Client’sname/title：RoyRyan(Manager) Contactinformation/address:DPAUDIOVIDEOLLC

Rev11/20/07 (DPAUDIOVIDEOLLC) FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID: 2AVRVPBDV704DVDB PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName BlockDiagram, Schematics, OperationalDescription BlockDiagram Schematics OperationalDescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. Sincerely, (RoyRyan)

(DPAUDIOVIDEOLLC) FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2020.11.27 SUBJECT:FCCApplicationforFCCID:2AVRVPBDV704DVDB ToWhomItMayConcern: We,theundersigned,herebyauthorizeAlanMeiatShenzhenBCTCTestingCo.,Ltd. onourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment. AnyandallactscarriedoutbyAlanMeiofShenzhenBCTCTestingCo.,Ltd.onour behalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (RoyRyan)

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RFEXPOSUREEVALUATIONMETHOD FCCID:2AVRVPBDV704DVDB SARTestExclusionThresholdsfor100MHz – 6GHzand ≤ 50mm ApproximateSARTestExclusionPowerThresholdsatSelectedFrequenciesandTestSeparation DistancesareillustratedinthefollowingTable. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances ≤ 50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)] · [ √ f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. BT-EDR maxpossibleoutputpower(PK,conducted)：2±1dbm 1dBilogarithmictermsconverttonumericresultisnearly1.259 3dBm=2.00mW 2402MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=2.00/5*√2.402=0.62≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. Modulation Frequency (MHz) OutputPower (dBm) MaxAntenna Gain(dBi) GFSK 24020.5951 GFSK 24410.1861 GFSK 24800.5301 Pi/4DQPSK 24021.6591 Pi/4DQPSK 24411.6641 Pi/4DQPSK 24801.6851 8DPSK 24021.8161 8DPSK 24411.9661 8DPSK 24802.0251 2441MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=2.00/5*√2.441=0.62≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. 2480MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=2.00/5*√2.48=0.63≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. WIFI Frequency MaximumConductedOutput Power(PK) LIMIT (MHz)(dBm)dBm 802.11b 2412 8.46230 2437 8.13430 2462 8.09230 802.11g 2412 7.49130 2437 7.68730 2462 7.66230 802.11n20 2412 6.38930 2437 6.49430 2462 6.49630 802.11n40 2422 5.11830 2437 5.12730 2452 5.15830 maxpossibleoutputpower(PK,conducted)：8.5±1dbm 1dBilogarithmictermsconverttonumericresultisnearly1.259 9.5dbm=8.91mW 2412MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=8.91/5*√2.412=2.77≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. 2437MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=8.91/5*√2.437=2.78≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. 2462MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=8.91/5*√2.462=2.80≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. Conclusion:NoSARisrequired.

No.：BCTC/RF-EMC-005Page:1of67Edition：A.2 TESTREPORT ShenzhenBCTCTestingCo.,Ltd. ReportNo.:BCTC2010001250-2E Applicant:DPAUDIOVIDEOLLC ProductName:7inchpdvdtabletcombo Model/TypeRef.:PBDV704DVDB TestedDate:Oct.23,2020toNov.24,2020 IssuedDate:Nov.24,2020 ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:2of67Edition：A.2 FCCID:2AVRVPBDV704DVDB Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp.Thisresult(s)showninthisreport referonlytothesample(s)tested.WithoutwrittenapprovalofShenzhenBCTCTestingCo.,Ltd,thisreport can’tbereproducedexceptinfull.Thetestedsample(s)andthesampleinformationareprovidedbytheclient. ProductName:7inchpdvdtabletcombo Trademark:PBSKids,CoreInnovations Model/TypeRef.:PBDV704DVDB PreparedFor:DPAUDIOVIDEOLLC Address:920MalcolmAveLosAngeles,California,USA90024 Manufacturer:ShenzhenKeJinMingElectronicCO.,Limited Address: Floor1-6,BlockB7,YintianIndustrialPark,Yantian Community,XixiangStreet,Bao'anDist.,Shenzhen,China PreparedBy:ShenzhenBCTCTestingCo.,Ltd. Address: 1-2F,EastofBBuilding,PengzhouIndustrial,Fuyuan1st Road,QiaotouCommunity,FuyongStreet,Bao’anDistrict, Shenzhen,China SampleReceivedDate:Oct.23,2020 SampletestedDate:Oct.23,2020toNov.24,2020 IssueDate:Nov.24,2020 ReportNo.:BCTC2010001250-2E TestStandards FCCPart15.247 ANSIC63.10-2013 TestResultsPASS Remark:Thisis WIFI-2.4GHzband radiotestreport. Testedby:Approvedby: KelseyTan/ProjectHandlerZeroZhou/Reviewer ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:3of67Edition：A.2 TABLEOFCONTENT TestReportDeclarationPage 1.VERSION ............................................................................................................................ 5 2.TESTSUMMARY .............................................................................................................. 6 3.MEASUREMENTUNCERTAINTY ................................................................................. 7 4.PRODUCTINFORMATIONANDTESTSETUP ......................................................... 8 4.1ProductInformation ........................................................................................................... 8 4.2TestSetupConfiguration ................................................................................................. 8 4.3SupportEquipment ........................................................................................................... 9 4.4ChannelList ....................................................................................................................... 9 4.5TestMode ......................................................................................................................... 10 4.6tableofparametersoftextsoftwaresetting ................................................................ 10 5.TESTFACILITYANDTESTINSTRUMENTUSED .................................................. 11 5.1TestFacility ...................................................................................................................... 11 5.2TestInstrumentUsed ..................................................................................................... 12 6.CONDUCTEDEMISSIONS ........................................................................................... 13 6.1BlockDiagramOfTestSetup ........................................................................................ 13 6.2Limit ................................................................................................................................... 13 6.3Testprocedure ................................................................................................................. 13 6.4EUToperatingConditions .............................................................................................. 13 6.5TestResult ....................................................................................................................... 14 7.RADIATEDEMISSIONS ................................................................................................ 16 7.1BlockDiagramOfTestSetup ........................................................................................ 16 7.2Limit ................................................................................................................................... 17 7.3Testprocedure ................................................................................................................. 18 7.4EUToperatingConditions .............................................................................................. 19 7.5TestResult ....................................................................................................................... 20 8.RADIATEDBANDEMISSIONMEASUREMENTANDRESTRICTEDBANDS OFOPERATION ....................................................................................................................... 27 8.1BlockDiagramOfTestSetup ........................................................................................ 27 8.2Limit ................................................................................................................................... 27 8.3Testprocedure ................................................................................................................. 28 8.4EUToperatingConditions .............................................................................................. 28 8.5TestResult ....................................................................................................................... 29 9.POWERSPECTRALDENSITYTEST ........................................................................ 31 9.1BlockDiagramOfTestSetup ........................................................................................ 31 9.2Limit ................................................................................................................................... 31 9.3Testprocedure ...................................................................................................…

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ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:50of67Edition：A.2 11.5TestResult Temperature： 26°C Relative Humidity： 54% Pressure： 101kPa TestVoltage： DC3.7V Frequency MaximumConducted OutputPower(PK) LIMIT (MHz)(dBm)dBm 802.11b 2412 8.46230 2437 8.13430 2462 8.09230 802.11g 2412 7.49130 2437 7.68730 2462 7.66230 802.11n20 2412 6.38930 2437 6.49430 2462 6.49630 802.11n40 2422 5.11830 2437 5.12730 2452 5.15830 ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:51of67Edition：A.2 12.100KHZBANDWIDTHOFFREQUENCYBANDEDGE 12.1BlockDiagramOfTestSetup 12.2Limit Inany100kHzbandwidthoutsidethefrequencybandinwhichthespreadspectrum intentionalradiatorisoperating,theradiofrequencypowerthatisproducedbytheintentional radiatorshallbeatleast20dBbelowthatinthe100kHzbandwidthwithinthebandthat containsthehighestlevelofthedesiredpower,basedoneitheranRFconductedora radiatedmeasurement. 12.3Testprocedure Usingthefollowingspectrumanalyzersetting: a)SettheRBW=100KHz. b)SettheVBW=300KHz. c)Sweeptime=autocouple. d)Detectorfunction=peak. e)Tracemode=maxhold. f)Allowtracetofullystabilize.. 12.4EUToperatingConditions TheEUTtestedsystemwasconfiguredasthestatementsof4.6Unlessotherwiseaspecial operatingconditionisspecifiedinthefollowsduringthetesting. Note:PowerSpectralDensity(dBm)=Reading+CableLoss ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:52of67Edition：A.2 12.5TestResult Temperature： 26°C Relative Humidity： 54% Pressure： 101kPa TestVoltage： DC3.7V 802.11b:BandEdge,LeftSide 802.11b:BandEdge,RightSide ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:53of67Edition：A.2 802.11g:BandEdge,LeftSide 802.11g:BandEdge,RightSide ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:54of67Edition：A.2 802.11n-HT20:BandEdge,LeftSide 802.11n-HT20:BandEdge,RightSide ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:55of67Edition：A.2 802.11n-HT40:BandEdge,LeftSide 802.11n-HT40:BandEdge,RightSide ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:56of67Edition：A.2 12.6CONDUCTEDEMISSIONMEASUREMENT 802.11b LowChannel2412MHz MiddleChannel2437MHz HighChannel2462MHz ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:57of67Edition：A.2 802.11g LowChannel2412MHz MiddleChannel2437MHz HighChannel2462MHz ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:58of67Edition：A.2 802.11n20 LowChannel2412MHz MiddleChannel2437MHz HighChannel2462MHz ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:59of67Edition：A.2 802.11n40 LowChannel2422MHz MiddleChannel2437MHz HighChannel2452MHz ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:60of67Edition：A.2 13.DUTYCYCLEOFTESTSIGNAL 13.1Standardrequirement Pre-analysisCheck:Whileconductingaveragepowermeasurement,dutycycleofeach modeshallbecheckedtoensureitsdutycycleinordertocompensateforthelossdueto insufficientratioofdutycycle. Alldutycycleispre-scanned,andresultasobtainedbelowshowsonlythemost representativeoneswheredutycycleisconductedasthegiventransmissionwithgiven virtualoperationthatexpressesthepercentage. 13.2Formula DutyCycle=Ton/(Ton+Toff) 13.3Testprocedure 1.Setspan=Zero 2.RBW=8MHz 3.VBW=8MHz, 4.Detector=Peak 13.4TestResult DutyCycleDutyFator (dB) 802.11b10 802.11g10 802.11n(HT20)10 802.11n(HT40)10 ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:61of67Edition：A.2 802.11b 802.11g ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:62of67Edition：A.2 802.11n(HT20) 802.11n(HT40) ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:63of67Edition：A.2 14.ANTENNAREQUIREMENT 14.1Limit 15.203requirement:Forintentionaldevice,accordingto15.203:anintentionalradiatorshall bedesignedtoensurethatnoantennaotherthanthatfurnishedbytheresponsibleparty shallbeusedwiththedevice. 14.1TestResult TheEUTantennaisPCBantenna,fulfilltherequirementofthissection. ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:64of67Edition：A.2 15.EUTPHOTOGRAPHS EUTPhoto1 EUTPhoto2 ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:65of67Edition：A.2 16.EUTTESTSETUPPHOTOGRAPHS ConductedEmission ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:66of67Edition：A.2 RadiatedMeasurementPhotos ReportNo.:BCTC2010001250-2E No.：BCTC/RF-EMC-005Page:67of67Edition：A.2 STATEMENT 1.Theequipmentlistsaretraceabletothenationalreferencestandards. 2.Thetestreportcannotbepartiallycopiedunlesspriorwrittenapprovalisissuedfromourlab. 3.Thetestreportisinvalidwithoutstampoflaboratory. 4.Thetestreportisinvalidwithoutsignatureofperson(s)testingandauthorizing. 5.ThetestprocessandtestresultisonlyrelatedtotheUnitUnderTest. 6.ThequalitysystemofourlaboratoryisinaccordancewithISO/IEC17025. 7.Ifthereisanyobjectiontoreport,theclientshouldinformissuinglaboratorywithin15days fromthedateofreceivingtestreport. Address: 1-2F,EastofBBuilding,PengzhouIndustrialPark,Fuyuan1stRoad,Qiaotou,FuyongStreet,Ba o'anDistrict,Shenzhen,Guangdong,China TEL：400-788-9558 P.C.:518103 FAX：0755-33229357 Website：http://www.bctc-lab.com E-Mail：[email protected] ※※※※※END※※※※※

ReportNo.:BCTC2010001250-1E No.：BCTC/RF-EMC-005Page: 66 of 68 Edition：A.2 17.EUTTESTSETUPPHOTOGRAPHS Conductedemissions ReportNo.:BCTC2010001250-1E No.：BCTC/RF-EMC-005Page: 67 of 68 Edition：A.2 RadiatedMeasurementPhotos