EMOIBT371BWATERPROOF FLOATABLE WIRELESS SPEAKER

SDITechnologiesInc. August22,2023 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID:EMOIBT371B SDITechnologiesInc.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Sincerely, DavidStetin SDITechnologiesInc. August22,2023 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestforFCCID:EMOIBT371B SDITechnologiesInc.(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Sincerely, DavidStetin

AttestationStatements August22,2023 TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestforFCCID:EMOIBT371B 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] REN:0003786449 ApplicantSignature:AgentSignature: (iftheagentisdifferentfromtheapplicant) Applicantprintedname:DavidStetinAgentprintedname:DavidStetin

SDITechnologiesInc. Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Onlydifferentonmodel number. ProductionnameTrademarkFCCModelno. WATERPROOF FLOATABLEWIRELESS SPEAKER iHomeEMOIBT371BiBT371,iBT371X(Xcouldbe singleormultipledigitsby anyalphabetsand punctuationmarks denotingdifferentcabinet colors,yearversionsand clients) Confirmedby: DavidStetin

August22,2023 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR ( ProductName： WATERPROOFFLOATABLEWIRELESS SPEAKER ModelNumber ： iBT371,iBT371X(Xcouldbesingleormultiple digitsbyanyalphabetsandpunctuationmarks denotingdifferentcabinetcolors,year versionsandclients) FCCID：EMOIBT371B applicant:SDITechnologiesInc. Address:1299,MainStreet,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

August22,2023 SDITechnologiesInc. 1299,MainStreet,Rahway,NJ07065,U.S.A. 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

Report No. EDG2307110172E004Page 1 of 4Ver.1.0 FCC ID: EMOIBT371B Report No. EDG2307110172E004Page 2 of 4Ver.1.0 Report No. EDG2307110172E004Page 3 of 4Ver.1.0 Report No. EDG2307110172E004Page 4 of 4Ver.1.0

Report No. EDG2307110172E004Page 1 of 2Ver.1.0 FCC ID: EMOIBT371B ANT Report No. EDG2307110172E004Page 2 of 2Ver.1.0

ReportNo.EDG2307110172E00402RPage1of7Ver.1.0 TESTREPORT ProductName： WATERPROOFFLOATABLEWIRELESS SPEAKER ModelNumber： iBT371,iBT371X(Xcouldbesingleormultiple digitsbyanyalphabetsandpunctuationmarks denotingdifferentcabinetcolors,yearversions andclients) FCCID：EMOIBT371B Preparedfor:SDITechnologiesInc. Address:1299,MainStreet,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:EDG2307110172E00402R Date(s)ofTests:July11,2023toAugust18,2023 Dateofissue:August18,2023 $二维码$ ReportNo.EDG2307110172E00402RPage2of7Ver.1.0 TableofContents 1.TESTRESULTCERTIFICATION...............................................................................................................................................3 2.EUTSPECIFICATION.................................................................................................................................................................5 3.TESTREQUIREMENT................................................................................................................................................................6 4.MEASUREMENTRESULT.........................................................................................................................................................7 ReportNo.EDG2307110172E00402RPage3of7Ver.1.0 1.TESTRESULTCERTIFICATION Applicant:SDITechnologiesInc. Address:1299,MainStreet,Rahway,NJ07065,U.S.A. Manufacturer:SDITechnologiesInc. Address:1299,MainStreet,Rahway,NJ07065,U.S.A. Factory:DEREK(SHAOGUAN)LIMITED Address: GAOJILING,TAIPINGTOWN,SHIXINGCOUNTY,SHAOGUANCITY, GUANGDONGPROVINCE,CHINA EUT:WATERPROOFFLOATABLEWIRELESSSPEAKER ModelName: iBT371,iBT371X(Xcouldbesingleormultipledigitsbyanyalphabetsand punctuationmarksdenotingdifferentcabinetcolors,yearversionsandclients) Trademark:iHome MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT §15.247(i),§2.1093PASS TheaboveequipmentwastestedbyEMTEK(DONGGUAN)CO.,LTD.Thetestdata,dataevaluation,test procedures,andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththe proceduresgiveninANSIC63.10(2013)andtheenergyemittedbythesampleEUTtestedasdescribedin thisreportisincompliancewiththerequirementsofFCCRulesFCC§15.247(i),§2.1093. Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport DateofTest:July11,2023toAugust18,2023 Preparedby: XiaYang/Editor Reviewer: TimDong/Supervisor Approve&AuthorizedSigner: SamLv/Manager ReportNo.EDG2307110172E00402RPage4of7Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary EDG2307110172E00402R/OriginalReport ReportNo.EDG2307110172E00402RPage5of7Ver.1.0 2.EUTSpecification CharacteristicsDescription Product:WATERPROOFFLOATABLEWIRELESSSPEAKER ModelNumber: iBT371,iBT371X(Xcouldbesingleormultipledigitsbyanyalphabetsand punctuationmarksdenotingdifferentcabinetcolors,yearversionsand clients) Allproductsarethesame,onlythemodelnumberandcolorofappearance aredifferent HereweselectediBT371forallthetest Sample:1# DeviceType: BluetoothV5.1 DataRate: 1MbpsforGFSKmodulation 2Mbpsforπ/4-DQPSKmodulation 3Mbpsfor8DPSKmodulation Modulation: GFSK,π/4-DQPSK,8DPSK OperatingFrequency Range(s): 2402-2480MHz NumberofChannels: -0.58dBm(0.000875W) TransmitPowerMax: PCBAntenna AntennaGain:0dBi Powersupply: DC5VfromUSB,DC3.7Vfrombattery Evaluationapplied:MPEEvaluation SAREvaluation ReportNo.EDG2307110172E00402RPage6of7Ver.1.0 3.TestRequirement RFEXPOSUREEVALUATION Accordingto447498D01V06,systemsoperatingundertheprovisionsofthis sectionshallbeoperatedinamannerthatensuresthatthepublicisnotexposedto radiofrequencyenergylevelinexcessoftheCommission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicablelow thresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis5mm. ReportNo.EDG2307110172E00402RPage7of7Ver.1.0 4.MeasurementResult Antennagain:0dBi Whenasinglemoduleworks,themeasurementresultsareasfollows: BT Transmit Frequency (MHz) Mode Measure dPower (dBm) E.I.R.P (dBm) Tuneup Power (dBm) Maxtune uppower (dBm) Calculation Result 1-gSAR 2402GFSK-1.66-1.66-2±1-10.24621613 2441GFSK-2.44-2.44-3±1-20.19715783 2480GFSK-1.73-1.73-2±1-10.25018193 2402Π/4-DQPSK-0.98-0.98-1±100.30996773 2441Π/4-DQPSK-1.68-1.68-2±1-10.24820693 2480Π/4-DQPSK-1.06-1.06-2±1-10.25018193 24028DPSK-0.63-0.63-1±100.30996773 24418DPSK-1.35-1.35-2±1-10.24820693 24808DPSK-0.58-0.58-1±100.31496033 AccordingtoKDB447498,nostand-alonerequiredforantenna,andnosimultaneousSAR measurementisrequired. ***EndofReport***

Pr o Fre VS Pe a Imp Ma Rad Ma Di m oduct nam equency (M WR ak Gain (d pendance aterail diation Pa ax. In put P mensions Anten e MHz) dBi) (Ohm) attern Power (W) s (mm) nna sp ) pecifi icatio 2.4G A 2400- <2.0 0 dBi 50 PCB Omni - 10W ons Antenna -2500 MH -Direction Hz nal ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 3 2. 电气性能 Electrical Characteristics 2.1. 测试环境条件Test Environment Conditions 温度Temperature Ordinary Temperature (5 to 35°C) 湿度Humidity Ordinary Humidity (25 to 85% RH) 2.2. 测示方法Measurement method 2.2.1. 天线电压驻波比Antenna VSWR ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 4 2.2.2. 天线回波损耗Antenna Return loss 2.3. 天线无源测试数据 Antenna passive test data 2.3.1. 测试系统Test system 深圳市飞敏科技有限公司（24探头OTA 微波暗室） ANTENNA SPECIF ICATION 深圳市飞 敏科技 有限公 司 Shenzhen Feimin Technology Co.,Lt d 5 2.3.2天线效率及增益Antenna efficiency and gain Frequency ( MHz) Gai n (dBi) Ef ficien cy ( %) 2400 MHz -0.2255.39 2410 MHz -0.24 56.75 2420 MHz -0.1960.34 2430 MHz -0.28 62.88 2440 MHz -0.00 59.66 2450 MHz -0.23 57.81 2460 MHz -0.24 61.97 2470 MHz -0.18 58.53 2480 MHz -0.22 57.95 2490 MHz -0.2256.74 2500 MHz -0.2156.62 ANTENNA SPECIF ICATION 深圳市飞 敏科技 有限公 司 Shenzhen Feimin Technology Co.,Lt d 6 2.3.2. 天线辐射方向图Antenna Radiation Pattern XOY-pl ane@2440MHz YOZ-pl ane@2440MHz XOZ-pl ane@2440MHz 3D-pl ane @2440MHz

ReportNo. EDG2307110172E00401RPage 1 of 71Ver.1.0 TEST REPORT ProductName： WATERPROOFFLOATABLEWIRELESS SPEAKER ModelNumber ： iBT371,iBT371X(X couldbe singleor multiple digitsby any alphabetsand punctuationmarks denotingdifferentcabinetcolors,year versions and clients) FCC ID：EMOIBT371B Preparedfor:SDI TechnologiesInc. Address:1299,MainStreet,Rahway,NJ 07065,U.S.A. Preparedby:EMTEK(DONGGUAN)CO.,LTD. Address:-1&2/F.,Building2, ZoneA, ZhongdaMarineBiotechnology Researchand DevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86-0769-22807078 FAX:+86-0769-22807079 ReportNumber:EDG2307110172E00401R Date (s) of Test s:July 11, 2023to August18, 2023 Dateof issue:August18, 2023 $ 二维码 $ ReportNo. EDG2307110172E00401RPage 2 of 71Ver.1.0 Tableof Contents 1 TESTRESULTCERTIFICATION...............................................................................................................3 2 EUT TECHNICALDESCRIPTION..............................................................................................................5 3 SUMMARYOF TESTRESULT..................................................................................................................6 4 TESTMETHODOLOGY..............................................................................................................................7 4.1GENERALDESCRIPTIONOF APPLIEDSTANDARDS...............................................................7 4.2MEASUREMENTEQUIPMENTUSED..........................................................................................7 4.3DESCRIPTIONOF TESTMODES................................................................................................8 5 FACILITIESANDACCREDITATIONS.......................................................................................................9 5.1FACILITIES....................................................................................................................................9 5.2EQUIPMENT..................................................................................................................................9 5.3LABORATORYACCREDITATIONSANDLISTINGS....................................................................9 6 TESTSYSTEMUNCERTAINTY..............................................................................................................10 7 SETUPOF EQUIPMENTUNDERTEST..................................................................................................11 7.1RADIOFREQUENCYTESTSETUP1........................................................................................11 7.2RADIOFREQUENCYTESTSETUP2........................................................................................11 7.3CONDUCTEDEMISSIONTESTSETUP....................................................................................13 7.4BLOCKDIAGRAMCONFIGURATIONOF TESTSYSTEM........................................................14 7.5SUPPORTEQUIPMENT..............................................................................................................14 8 FREQUENCYHOPPINGSYSTEMREQUIREMENTS............................................................................15 8.1STANDARDAPPLICABLE...........................................................................................................15 8.2EUT PSEUDORANDOMFREQUENCYHOPPINGSEQUENCE...............................................15 8.3EQUALHOPPINGFREQUENCYUSE .......................................................................................16 8.4FREQUENCYHOPPINGSYSTEM.............................................................................................16 9 TESTREQUIREMENTS...........................................................................................................................17 9.120DB&99%BANDWIDTH.............................................................................................................17 9.2CARRIERFREQUENCYSEPARATION.....................................................................................29 9.3NUMBEROF HOPPINGFREQUENCIES...................................................................................32 9.4AVERAGETIMEOF OCCUPANCY(DWELLTIME)...................................................................35 9.5MAXIMUMPEAKCONDUCTEDOUTPUTPOWER...................................................................41 9.6CONDUCTEDSUPRIOUSEMISSION........................................................................................47 9.7RADIATEDSPURIOUSEMISSION.............................................................................................57 9.8CONDUCTEDEMISSIONTEST.................................................................................................66 9.9ANTENNAAPPLICATION...........................................................................................................69 ReportNo. EDG2307110172E00401RPage 3 of 71Ver.1.0 1 TEST RESULTCERTIFICATION Applicant:SDI TechnologiesInc. Address:1299,MainStreet,Rahway,NJ 07065,U.S.A. Manufacturer:SDI TechnologiesInc. Address:1299,MainStreet,Rahway,NJ 07065,U.S.A. Factory:DEREK(SHAOGUAN)LIMITED Address: GAOJILING,TAIPINGTOWN,SHIXINGCOUNTY,SHAOGUANCITY, GUANGDONGPROVINCE,CHINA EUT:WATERPROOFFLOATABLEWIRELESSSPEAKER ModelName: iBT371,iBT371X(X couldbe singleor multipledigitsby any alphabetsand punctuationmarksdenotingdifferentcabinetcolors,year versionsand clients) Trademark:iHome MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTEST RESULT FCC47 CFRPart 2, SubpartJ FCC47 CFRPart 15, SubpartC PASS IC RSS-GEN,Issue5(04-2018)+A1(03-2019)+A2(02-2021) IC RSS-247Issue2(02-2017) PASS The aboveequipmentwas testedby EMTEK(DONGGUAN) CO.,LTD.The test data,dataevaluation, test procedures,and equipmentconfigurationsshownin this reportweremadein accordancewith the proceduresgivenin ANSIC63.10(2013)and the energyemittedby the sampleEUT testedas described in this reportis in compliancewith the requirementsof FCCRulesPar…

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Report No. EDG2307110172E004Page 1 of 2Ver.1.0 FCC ID: EMOIBT371B Report No. EDG2307110172E004Page 2 of 2Ver.1.0