EMOB24BBluetooth Microphone

Rev1/26/2023 (SDITechnologiesInc.) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA Date:2024.06.11 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID：EMOB24B [SDITechnologiesInc.](“theapplicant”)certifiesthattheequipmentforwhichauthorizationissoughtis not“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules. Sincerely, (Applicantsignature) (DavidStetin) Rev1/26/2023 (SDITechnologiesInc.) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA Date:2024.06.11 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID：EMOB24B [SDITechnologiesInc.](“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesor affiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) (DavidStetin)

SDITechnologiesInc. AttestationStatements 2024.06.11 TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestforFCCID:EMOB24B SDITechnologiesInc.,theundersigned,herebyauthorizeSDITechnologiesInc.toactas ourdesignatedU.S.agentforserviceofprocess,SDITechnologiesInc.acceptsto maintainanagentfornolessthanoneyearafterthegranteehasterminatedall marketingandimportationortheconclusionofanyCommission-relatedproceeding involvingtheequipment. SDITechnologiesInc.acceptstheresponsibilitytoactasdesignatedU.S.agentfor serviceofprocess,providesanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantInformation： Companyname:SDITechnologiesInc. ContactName:DavidStetin Address:1299,MainStreet,Rahway,NJ07065,U.S.A. TelephoneNo:732574-9000 Email:[email protected] U.S.AgentInformation: CompanyName:SDITechnologiesInc. ContactName:DavidStetin Address:1299,MainStreet,Rahway,NJ07065,U.S.A. TelephoneNo:732574-9000 Email:[email protected] FRN:0003786449 ApplicantSignature:AgentSignature: (iftheagentisdifferentfromtheapplicant) Applicantprintedname:DavidStetinAgentprintedname:DavidStetin

SDITechnologiesInc. Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethesame RFmodule,PCBlayout,Antenna,schematicsandcomponent.Onlydifferentonthemodel number,yearversion,cartoonbrands,buyersandcoloraredifferent. ProductionnameTrademarkFCCModelno. BluetoothMicrophoneeKids/iHomeEMOB24BDi-B24FR.EXv1,X-B24Y(X andYcouldbesingleor multipledigitsbyany alphabetsandpunctuation marksdenotingdifferent yearversion,cartoon brands,buyersandcolors) Confirmedby: DavidStetin SDITechnologiesInc. 2024.06.11

SDITechnologiesInc. 2024.06.11 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR( ProductName：BluetoothMicrophone ModelNumber ： Di-B24FR.EXv1,X-B24Y(XandYcouldbe singleormultipledigitsbyanyalphabetsand punctuationmarksdenotingdifferentyear version,cartoonbrands,buyersandcolors) FCCID：EMOB24B Applicant:SDITechnologiesInc. Address:1299MainStreet,Rahway,NJ07065,U.S.A ) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(BlockDiagram,Schematics,Operational Description)requiredtobesubmittedwiththisapplicationbepermanentlywithheld frompublicreview. SPECIFYREASONFORREQUEST(Theabovematerialscontaintradesecrets andproprietaryinformationnotcustomarilyreleasedtothepublic.Thepublic disclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.) Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, DavidStetin Mustbesignedbytheapplicantcontactcitedastechnicalornon-technicalcontactonthe 731formprovidedtoEurofinsMETLabs,orbytheauthorizedagentifanappropriate authorizedagentletterhasbeenprovided.Letterssignedbytheapplicantshouldbe placedonapplicantletterhead.

SDITechnologiesInc. 2024.06.11 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeSamLvatEMTEK(DONGGUAN)CO.,LTD.toacton ourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthesigning ofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, DavidStetin Mustbesignedbytheapplicantcontactcitedastechnicalornon-technicalcontactonthe 731formprovidedtoEurofinsMETLabs,orbytheauthorizedagentifanappropriate authorizedagentletterhasbeenprovided.Letterssignedbytheapplicantshouldbe placedonapplicantletterhead.

ReportNo.EDG2405280157E004Page1of4Ver.1.0 FCCID:EMOB24B ReportNo.EDG2405280157E004Page2of4Ver.1.0 ReportNo.EDG2405280157E004Page3of4Ver.1.0 ReportNo.EDG2405280157E004Page4of4Ver.1.0

ReportNo.EDG2405280157E004Page1of4Ver.1.0 FCCID:EMOB24B ReportNo.EDG2405280157E004Page2of4Ver.1.0 BTANT ReportNo.EDG2405280157E004Page3of4Ver.1.0 ReportNo.EDG2405280157E004Page4of4Ver.1.0

ReportNo.EDG2405280157E00402RPage1of7Ver.1.0 TESTREPORT ProductName：BluetoothMicrophone ModelNumber： Di-B24FR.EXv1,X-B24Y(XandYcouldbe singleormultipledigitsbyanyalphabetsand punctuationmarksdenotingdifferentyear version,cartoonbrands,buyersandcolors) FCCID：EMOB24B Preparedfor:SDITechnologiesInc. Address:1299MainStreet,Rahway,NJ07065,U.S.A Preparedby:EMTEK(DONGGUAN)CO.,LTD. Address:-1&2/F.,Building2,ZoneA,ZhongdaMarineBiotechnology ResearchandDevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86-0769-22807078 FAX:+86-0769-22807079 ReportNumber:EDG2405280157E00402R Date(s)ofTests:May28,2024toJun10,2024 Dateofissue:Jun11,2024 $二维码$ ReportNo.EDG2405280157E00402RPage2of7Ver.1.0 TableofContents 1.TESTRESULTCERTIFICATION...............................................................................................................................................3 2.EUTSPECIFICATION.................................................................................................................................................................5 3.TESTREQUIREMENT................................................................................................................................................................6 4.MEASUREMENTRESULT.........................................................................................................................................................7 ReportNo.EDG2405280157E00402RPage3of7Ver.1.0 1. TESTRESULTCERTIFICATION Applicant:SDITechnologiesInc. Address:1299MainStreet,Rahway,NJ07065,U.S.A Manufacturer:eKids,LLC./KIDDESIGNSINC. Address:1299MainStreet,Rahway,NJ07065,U.S.A Factory:DONGGUANRICHBOPLASTICMANUFACTURINGLIMITED Address: BUILDING2,NO.2LAN-GIYUANINDUSTRIALROAD,XIE-GANGTOWN, DONGGUANCITY,GUANGDONG,CHINA EUT:BluetoothMicrophone ModelName: Di-B24FR.EXv1,X-B24Y(XandYcouldbesingleormultipledigitsbyany alphabetsandpunctuationmarksdenotingdifferentyearversion,cartoon brands,buyersandcolors) Trademark:eKids,iHome MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT §15.247(i),§2.1093 PASS TheaboveequipmentwastestedbyEMTEK(DONGGUAN)CO.,LTD.Thetestdata,dataevaluation,test procedures,andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththeprocedures giveninANSIC63.10(2013)andtheenergyemittedbythesampleEUTtestedasdescribedinthisreportisin compliancewiththerequirementsofFCCRules FCC§15.247(i),§2.1093 . Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport DateofTest: May28,2024toJun10,2024 Preparedby: WarrenDeng/ Editor Reviewer: TimDong/ Supervisor Approve&AuthorizedSigner: SamLv/Manager ReportNo.EDG2405280157E00402RPage4of7Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary EDG2405280157E00402R/OriginalReport ReportNo.EDG2405280157E00402RPage5of7Ver.1.0 2. EUTSpecification CharacteristicsDescription Product:BluetoothMicrophone ModelNumber: Di-B24FR.EXv1,X-B24Y(XandYcouldbesingleormultipledigitsbyany alphabetsandpunctuationmarksdenotingdifferentyearversion,cartoon brands,buyersandcolors) Allproductsarethesame,onlythemodelnumber,yearversion,cartoon brands,buyersandcoloraredifferent.HereweselectedDi-B24FR.EXv1for allthetest. Sample:1# DataRate: 1MbpsforGFSKmodulation 2Mbpsforπ/4-DQPSKmodulation 3Mbpsfor8DPSKmodulation Modulation: GFSK,π/4-DQPSK,8DPSK OperatingFrequency Range(s): 2402-2480MHz NumberofChannels: 79channels TransmitPowerMax: 2.12dBm(0.001629W) AntennaGain:-0.76dBi Powersupply: DC5VfromUSB DC3.7Vfrombattery Evaluationapplied:MPEEvaluation SAREvaluation ReportNo.EDG2405280157E00402RPage6of7Ver.1.0 3. TestRequirement SAREvaluation Accordingto447498D01V06,systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurementsorcomputer simulation.WhenroutineSARevaluationisnotrequired,portabletransmitterswithoutputpowergreaterthan theapplicablelowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis5mm. ReportNo.EDG2405280157E00402RPage7of7Ver.1.0 4. MeasurementResult Antennagain:-0.76dBi Transmit Frequency (MHz) Mode Measured Power (dBm) Tune upPower (dBm) Maxtuneup power (dBm) Calculation Result 1-gSAR 2402GFSK0.841±120.49133 2441GFSK1.131±120.49523 2480GFSK1.201±120.49923 2402Π/4-DQPSK1.671±120.49133 2441Π/4-DQPSK1.712±130.62353 2480Π/4-DQPSK1.782±130.62843 24028DPSK1.992±130.61853 24418DPSK1.982±130.62353 24808DPSK2.122±130.62843 AccordingtoKDB447498D01V06,nostand-alonerequiredforBTantenna,andnosimultaneousSAR measurementisrequired. ***EndofReport***

ReportNo.EDG2405280157E00401RPage1of75Ver.1.0 TESTREPORT ProductName：BluetoothMicrophone ModelNumber： Di-B24FR.EXv1,X-B24Y(XandYcouldbe singleormultipledigitsbyanyalphabetsand punctuationmarksdenotingdifferentyear version,cartoonbrands,buyersandcolors) FCCID：EMOB24B Preparedfor:SDITechnologiesInc. Address:1299MainStreet,Rahway,NJ07065,U.S.A Preparedby:EMTEK(DONGGUAN)CO.,LTD. Address:-1&2/F.,Building2,ZoneA,ZhongdaMarineBiotechnology ResearchandDevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86-0769-22807078 FAX:+86-0769-22807079 ReportNumber:EDG2405280157E00401R Date(s)ofTests:May28,2024toJun10,2024 Dateofissue:Jun11,2024 ReportNo.EDG2405280157E00401RPage2of75Ver.1.0 TableofContents 1TESTRESULTCERTIFICATION..................................................................................................................................................3 2EUTTECHNICALDESCRIPTION.................................................................................................................................................5 3SUMMARYOFTESTRESULT.....................................................................................................................................................6 4TESTMETHODOLOGY.................................................................................................................................................................7 4.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS......................................................................................................7 4.2MEASUREMENTEQUIPMENTUSED..................................................................................................................................7 4.3DESCRIPTIONOFTESTMODES..........................................................................................................................................8 5FACILITIESANDACCREDITATIONS........................................................................................................................................9 5.1FACILITIES..............................................................................................................................................................................9 5.2EQUIPMENT............................................................................................................................................................................9 5.3LABORATORYACCREDITATIONSANDLISTINGS.........................................................................................................9 6TESTSYSTEMUNCERTAINTY.................................................................................................................................................10 7SETUPOFEQUIPMENTUNDERTEST.....................................................................................................................................11 7.1RADIOFREQUENCYTESTSETUP1.................................................................................................................................11 7.2RADIOFREQUENCYTESTSETUP2.................................................................................................................................11 7.3CONDUCTEDEMISSIONTESTSETUP.............................................................................................................................13 7.4BLOCKDIAGRAMCONFIGURATIONOFTESTSYSTEM.............................................................................................14 7.5SUPPORTEQUIPMENT........................................................................................................................................................14 8FREQUENCYHOPPINGSYSTEMREQUIREMENTS...............................................................................................................15 8.1StandardApplicable.................................................................................................................................................................15 8.2EUTPseudorandomFrequencyHoppingSequence................................................................................................................15 8.3EqualHoppingFrequencyUse................................................................................................................................................16 8.4FrequencyHoppingSystem.....................................................................................................................................................16 9TESTREQUIREMENTS...............................................................................................................................................................17 9.120DB&99%BANDWIDTH.....................................................................................................................................................17 9.2CARRIERFREQUENCYSEPARATION..............................................................................................................................29 9.3NUMBEROFHOPPINGFREQUENCIES............................................................................................................................32 9.4AVERAGETIMEOFOCCUPANCY(DWELLTIME)........................................................................................................35 9.5MAXIMUMPEAKCONDUCTEDOUTPUTPOWER.........................................................................................................45 9.6CONDUCTEDSUPRIOUSEMISSION.................................................................................................................................51 9.7RADIATEDSPURIOUSEMISSION.....................................................................................................................................61 9.8CONDUCTEDEMISSIONTEST.......................................................................................................................................…

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ReportNo.EDG2405280157E00401RPage41of75Ver.1.0 2DH5-Ant1-Hop-PASS ReportNo.EDG2405280157E00401RPage42of75Ver.1.0 3DH1-Ant1-Hop-PASS ReportNo.EDG2405280157E00401RPage43of75Ver.1.0 3DH3-Ant1-Hop-PASS ReportNo.EDG2405280157E00401RPage44of75Ver.1.0 3DH5-Ant1-Hop-PASS ReportNo.EDG2405280157E00401RPage45of75Ver.1.0 9.5MAXIMUMPEAKCONDUCTEDOUTPUTPOWER 9.5.1ApplicableStandard AccordingtoFCCPart15.247(b)(1)andKDB558074D0115.247MEASGUIDANCEv05r02 AccordingtoICRSS-247.5.4andRSS-Gen6.12 9.5.2ConformanceLimit ThemaxForfrequencyhoppingsystemsoperatinginthe2400-2483.5MHzbandemployingatleast75 non-overlappinghoppingchannels:1watt.Forallotherfrequencyhoppingsystemsinthe2400-2483.5MHzband: 0.125watts. 9.5.3TestConfiguration Testaccordingtoclause7.1radiofrequencytestsetup1 9.5.4TestProcedure Asanalternativetoapeakpowermeasurement,compliancewiththelimitcanbebasedonameasurementofthe maximumconductedoutputpower. Usethefollowingspectrumanalyzersettings: SetSpan=approximately5timesthe20dBbandwidth,centeredonahoppingchannel(about8MHz) SetRBW>the20dBbandwidthoftheemissionbeingmeasured(about3MHz) SetVBW  RBW SetSweep=auto SetDetectorfunction=peak SetTrace=maxhold Allowthetracetostabilize.Usethemarker-to-peakfunctiontosetthemarkertothepeakoftheemissionto determinethepeakamplitudelevel. TestResults Temperature: 25 ̊C RelativeHumidity:45% ATMPressure:1011mbar Note:N/A Test Mode AntennaFrequency[MHz] ConductedPeak Powert[dBm] Conducted Limit[dBm] Verdict DH5Ant124020.84≤20.97PASS DH5Ant124411.13≤20.97PASS DH5Ant124801.20≤20.97PASS 2DH5Ant124021.67≤20.97PASS 2DH5Ant124411.71≤20.97PASS 2DH5Ant124801.78≤20.97PASS 3DH5Ant124021.99≤20.97PASS 3DH5Ant124411.98≤20.97PASS 3DH5Ant124802.12≤20.97PASS ReportNo.EDG2405280157E00401RPage46of75Ver.1.0 DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS ReportNo.EDG2405280157E00401RPage47of75Ver.1.0 DH5-Ant1-2480-PASS 2DH5-Ant1-2402-PASS ReportNo.EDG2405280157E00401RPage48of75Ver.1.0 2DH5-Ant1-2441-PASS 2DH5-Ant1-2480-PASS ReportNo.EDG2405280157E00401RPage49of75Ver.1.0 3DH5-Ant1-2402-PASS 3DH5-Ant1-2441-PASS ReportNo.EDG2405280157E00401RPage50of75Ver.1.0 3DH5-Ant1-2480-PASS ReportNo.EDG2405280157E00401RPage51of75Ver.1.0 9.6CONDUCTEDSUPRIOUSEMISSION 9.6.1ApplicableStandard AccordingtoFCCPart15.247(d)andKDB558074D0115.247MEASGUIDANCEv05r02 AccordingtoICRSS-2475.5 9.6.2ConformanceLimit Inany100kHzbandwidthoutsidethefrequencybandinwhichthespreadspectrumintentionalradiatoris operating,theradiofrequencypowerthatisproducedbytheintentionalradiatorshallbeatleast20dBbelowthat inthe100kHzbandwidthwithinthebandthatcontainsthehighestlevelofthedesiredpower,basedoneitheran RFconducted,providedthetransmitterdemonstratescompliancewiththepeakconductedpowerlimits. 9.6.3TestConfiguration Testaccordingtoclause7.1radiofrequencytestsetup1 9.6.4TestProcedure Thetransmitteroutput(antennaport)wasconnectedtothespectrumanalyzer Referencelevelmeasurement Establishareferencelevelbyusingthefollowingprocedure: SetinstrumentcenterfrequencytoDSSchannelcenterfrequency. SetSpan=approximately5timesthe20dBbandwidth,centeredonahoppingchannel. SettheRBW=100kHz.SettheVBW≥3xRBW. SetDetector=peak.SetSweeptime=autocouple. SetTracemode=maxhold.Allowtracetofullystabilize. UsethepeakmarkerfunctiontodeterminethemaximumMaximumconducetedlevel. Notethatthechannelfoundtocontainthemaximumconducetedlevelcanbeusedtoestablishthereference level. Band-edgemeasurement Usethefollowingspectrumanalyzersettings: Span=wideenoughtocapturethepeakleveloftheemissionoperatingonthechannelclosesttotheband-edge, aswellasanymodulationproductswhichfalloutsideoftheauthorizedbandofoperation SetRBW  1%ofthespan=100kHzSetVBW  3xRBW SetSweep=autoSetDetectorfunction=peakSetTrace=maxhold Allowthetracetostabilize.Setthemarkerontheemissionatthebandedge,oronthehighestmodulation productoutsideoftheband,ifthislevelisgreaterthanthatatthebandedge.Enablethemarker-deltafunction, thenusethemarker-to-peakfunctiontomovethemarkertothepeakofthein-bandemission.Themarker-delta valuenowdisplayedmustcomplywiththelimitspecifiedinthisSection. Now,usingthesameinstrumentsettings,enablethehoppingfunctionoftheEUT.Allowthetracetostabilize. Followthesameprocedurelistedabovetodetermineifanyspuriousemissionscausedbythehoppingfunction alsocomplywiththespecifiedlimit. Emissionlevelmeasurement Usethefollowingspectrumanalyzersettings: Span=wideenoughtocapturethepeaklevelofthein-bandemissionandallspuriousemissions(e.g.,harmonics) fromthelowestfrequencygeneratedintheEUTupthroughthe10thharmonic.(30MHzto25GHz).SetRBW= 100kHzSetVBW  RBW SetSweep=autoSetDetectorfunction=peakSetTrace=maxhold Allowthetracetostabilize.Setthemarkeronthepeakofanyspuriousemissionrecorded.Theleveldisplayed mustcomplywiththelimitspecifiedinthisSection. ReportNo.EDG2405280157E00401RPage52of75Ver.1.0 9.6.5TestResults Temperature: 25 ̊ C RelativeHumidity:45% ATMPressure:1011mbar Note:N/A Alltheantennaandmodesmodehavebeentested,andtheworstresultrecordedwasreportasbelow: Bandedgemeasurements TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1Low2402-0.11-45.27≤-20.11PASS DH5Ant1High24800.56-45.56≤-19.44PASS DH5Ant1LowHop_2402-0.18-46.02≤-20.18PASS DH5Ant1HighHop_24800.33-45.5≤-19.67PASS ReportNo.EDG2405280157E00401RPage53of75Ver.1.0 DH5-Ant1-2402-PASS DH5-Ant1-2480-PASS ReportNo.EDG2405280157E00401RPage54of75Ver.1.0 DH5-Ant1-Hop_2402-PASS DH5-Ant1-Hop_2480-PASS ReportNo.EDG2405280157E00401RPage55of75Ver.1.0 ConductedSpuriousEmission TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant124020~Reference-0.06-0.06---PASS DH5Ant1240230~1000-0.06-58.62≤-20.06PASS DH5Ant124021000~26500-0.06-44.56≤-20.06PASS DH5Ant124410~Reference0.100.10---PASS DH5Ant1244130~10000.10-60.31≤-19.9PASS DH5Ant124411000~265000.10-44.71≤-19.9PASS DH5Ant124800~Reference0.060.06---PASS DH5Ant1248030~10000.06-60.44≤-19.94PASS DH5Ant124801000~265000.06-44.08≤-19.94PASS ReportNo.EDG2405280157E00401RPage56of75Ver.1.0 DH5-Ant1-2402-0~Reference-PASS DH5-Ant1-2402-30~1000-PASS ReportNo.EDG2…

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ReportNo.EDG2405280157E004Page1of2Ver.1.0 FCCID:EMOB24B ReportNo.EDG2405280157E004Page2of2Ver.1.0