2A7SG-COLORWAVColorWav Sound Bar

E-TRENDSELECTRONICCO.,LTD TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/12/23 U.S.AgentDesignation [E-TRENDSELECTRONICCO.,LTD]acknowledgestheirconsentforthefollowingcontactlocatedin theUnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorization issought(FCCID:[2A7SG-COLORWAV]): NameandcompanyofU.S.agent:WilsonTechServiceLLC PhysicalU.S.addressofagent:131217thStreetSuite692,Denver,CO,80202,US FRNofU.S.agent:0033402033 EmailaddressofU.S.agent:[email protected] [WilsonTechServiceLLC]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof [E-TRENDSELECTRONICCO.,LTD]. [E-TRENDSELECTRONICCO.,LTD]acceptsitsobligationtomaintainanagentforserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusion ofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7). Sincerely, Signature [SimoneWang] [SALESMANAGER] [E-TRENDSELECTRONICCO.,LTD] Signature [NameofU.S.agent]Wilsonchen 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 3 E-TRENDSELECTRONICCO.,LTD TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC. [TitleofU.S.agent]Manager [CompanyofU.S.agent]WilsonTechServiceLLC

E-TRENDSELECTRONICCO.,LTD TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/12/23 Towhomitmayconcern: We,[E-TRENDSELECTRONICCO.,LTD],herebycertifythattheequipmentforwhichauthorizationis sought(FCCID:[2A7SG-COLORWAV])isnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [SimoneWang] [SALESMANAGER] [E-TRENDSELECTRONICCO.,LTD] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

Code:AB-RF-05-b ExternalPhotograph Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b

LabelLocationOnEUT Label ProductName:ColorWavSoundBar ModelNo.:ColorWavSoundBar FCCID:2A7SG-COLORWAV ThisdevicecomplieswithPart15oftheFCCRules.Operationis subjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation.

Code:AB-RF-05-b InternalPhotograph Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b ANT

version01 E-TRENDSELECTRONICCO.,LTD DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:ColorWavSoundBar FCCID:2A7SG-COLORWAV fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:ColorWavSoundBar Typeofantenna:PCBAntenna Gainoftheantenna:1.7dBi Frequencyrange:2402-2480MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname: E-TRENDSELECTRONICCO.,LTD Address:No.5Floor,No.9Building,HuixinIndustrialPark,Yangwuvillage, DalingshanTown,Dongguan,Guangdong,China City:Dongguan ZIP/Postalcode:/ Country:China Place:DongguanDate:4/12/2023 Signature:

Specifications Information on the equipment product name 产品 名称 Brand 品牌 Model No.型号 Manufacturer 生产厂家 Equipment type 设备类型 Transmitter 发射 Receiver 接收 Transceiver 收发器 Frequency of operation 操作频率 2402MHz-2480MHz Type of modulation 调试方式 1M 2M 3M Channel spacing 频道间隔 1MHz Channel number 频道数 79 个 Mode of operation 工作方式 Simplex 单工 Duplex 双工 Antenna type 天线类型 1/4 波长的折叠型天线 Antenna connector 天线连接 IC 内置 Operating voltage 工作电压 3.3V-4.3V E-TRENDS ELECTRONIC CO.,LTD ColorWav Sound Bar ColorWav Sound Bar ColorWav Sound Bar Product specification Quick Reference Date Antenna module on the system board Frequency 2.45GHz *1 Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -2.3 (Input pwr – loss pwr) Peak EIRP(dBm) 1.3 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) -2.3 (58.5%) Gain (dBi) 1.7 (Peak Gain XY-plane) Maximum Power (dBm) 1.3 (XY-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Max/Min Ratio (dB) 5.3(XY-plane) Max/Avg Ratio (dB) 1.8(XY-plane) Min/Avg Ratio (dB) -3.5(XY-plane) Average Gain (dB) -0.5 (Avg Gain XY-plane) All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.3 -0.5 1.7-3.8 1.1-3.058.5% Return Loss The Environment of Antenna Radiation Pattern 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

RFEXPOSUREEVALUATION FCCID:2A7SG-COLORWAV AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 2402 1.881.88 ±1 2.88050.6023 GFSK2441 1.441.44 ±1 2.440 5 0.5483 2480 1.11.1 ±1 2.100 5 0.5113 2402 1.121.12 ±1 2.12050.5053 π/4-DQPSK 2441 0.740.74 ±1 1.740 5 0.4663 2480 0.260.26 ±1 1.260 5 0.4213 2402 1.411.41 ±1 2.41050.5403 8DPSK2441 1.061.06 ±1 2.060 5 0.5023 2480 0.430.43 ±1 1.430 5 0.4383 Result:NoStandaloneSARtestisrequired.

Page1of52 AppendixTestData ReportNo.:18220WC30019501TestSampleNo.:1-2-2 StartTestDate:2023.02.24FinishTestDate:2023.02.28 TestEngineer:Auditor: Temperature:22.7 °C RelativeHumidity:41% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24021.0322401.4692402.501------ 24411.0322440.4632441.495------ 24800.9662479.5322480.498------ 2DH5Ant1 24021.3142401.3462402.660------ 24411.3352440.3312441.666------ 24801.3202479.3432480.663------ 3DH5Ant1 24021.3142401.3432402.657------ 24411.3172440.3432441.660------ 24801.2932479.3492480.642------ Page2of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page4of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page5of52 3DH5_Ant1_2480 Page6of52 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.897942401.55372402.4517------ 24410.907672440.55272441.4604------ 24800.905652479.54852480.4541------ 2DH5Ant1 24021.19932401.39942402.5987------ 24411.19762440.40452441.6021------ 24801.18542479.40782480.5932------ 3DH5Ant1 24021.20992401.39172402.6016------ 24411.19602440.40362441.5996------ 24801.20772479.39152480.5992------ Page7of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page8of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page9of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page10of52 3DH5_Ant1_2480 Page11of52 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24021.88≤20.97PASS 24411.44≤20.97PASS 24801.1≤20.97PASS 2DH5Ant1 24021.12≤20.97PASS 24410.74≤20.97PASS 24800.26≤20.97PASS 3DH5Ant1 24021.41≤20.97PASS 24411.06≤20.97PASS 24800.43≤20.97PASS Page12of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page13of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page14of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page15of52 3DH5_Ant1_2480 Page16of52 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop2.107≥0.688PASS 2DH5Ant1Hop0.978≥0.890PASS 3DH5Ant1Hop0.996≥0.878PASS Page17of52 TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page18of52 Page19of52 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.3723150.117≤0.4PASS DH3Ant1Hop1.6281600.26≤0.4PASS DH5Ant1Hop2.8771160.334≤0.4PASS 2DH1Ant1Hop0.3803140.119≤0.4PASS 2DH3Ant1Hop1.6331630.266≤0.4PASS 2DH5Ant1Hop0.6051640.099≤0.4PASS 3DH1Ant1Hop0.6073160.192≤0.4PASS 3DH3Ant1Hop1.6311600.261≤0.4PASS 3DH5Ant1Hop2.8821100.317≤0.4PASS Page20of52 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page21of52 DH5_Ant1_Hop Page22of52 2DH1_Ant1_Hop 2DH3_Ant1_Hop Page23of52 2DH5_Ant1_Hop Page24of52 3DH1_Ant1_Hop 3DH3_Ant1_Hop Page25of52 3DH5_Ant1_Hop Page26of52 Page27of52 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS 3DH5Ant1Hop79≥15PASS Page28of52 TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page29of52 Page30of52 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24021.39-57.39≤-18.61PASS High24800.63-57.92≤-19.37PASS LowHop_24020.97-57.17≤-19.03PASS HighHop_24800.55-56.5≤-19.45PASS 2DH5Ant1 Low2402-1.57-56.01≤-21.57PASS High2480-1.86-56.98≤-21.86PASS LowHop_2402-2.39-57.25≤-22.39PASS HighHop_2480-1.69-56.47≤-21.69PASS 3DH5Ant1 Low2402-0.26-55.24≤-20.26PASS High2480-1.75-57.65≤-21.75PASS LowHop_2402-1.33-57.46≤-21.33PASS HighHop_24800.46-57.14≤-19.54PASS Page31of52 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page32of52 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 Page33of52 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 Page34of52 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 Page35of52 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 Page36of52 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference1.031.03---PASS 30~10001.03-68.56≤-18.97PASS 1000~265001.03-53.01≤-18.97PASS 2441 Reference1.111.11---PASS 30~10001.11-69.16≤-18.89PASS 1000~265001.11-52.77≤-18.89PASS 2480 Reference-0.08-0.08---PASS 30~1000-0.08-68.35≤-20.08PASS 1000~26500-0.08-53≤-20.08PASS 2DH5Ant1 2402 Reference-4.09-4.09---PASS 30~1000-4.09-56.77≤-24.09PASS 1000~26500-4.09-52.34≤-24.09PASS 2441 Reference-1.01-1.01---PASS 30~1000-1.01-68.98≤-21.01PASS 1000~26500-1.01-53.11≤-21.01PASS 2480 Reference-3.94-3.94---PASS 30~1000-3.94-53.93≤-23.94PASS 1000~26500-3.94-53.3≤-23.94PASS 3DH5Ant1 2402 Reference-1.11-1.11---PASS 30~1000-1.11-67.15≤-21.11PASS 1000~26500-1.11-35.61≤-21.11PASS 2441 Reference-2.72-2.72---PASS 30~1000-2.72-55.25≤-22.72PASS 1000~26500-2.72-52.06≤-22.72PASS 2480 Reference-3.02-3.02---PASS 30~1000-3.02-52.38≤-23.02PASS 1000~26500-3.02-53.44≤-23.02PASS Page37of52 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page38of52 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page39of52 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page40of52 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page41of52 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page42of52 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page43of52 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page44of52 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 Page45of52 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 Page46of52 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference Page47of52 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 Page48of52 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] DH5Ant1 …

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ReportNo.:18220WC30019501FCCID:2A7SG-COLORWAVPage1of32 Code:AB-RF-05-b FCCTestReport ClientName:E-TRENDSELECTRONICCO.,LTD ClientAddress: No.5Floor,No.9Building,HuixinIndustrial Park,Yangwuvillage,DalingshanTown, Dongguan,Guangdong,China ProductName:ColorWavSoundBar ReportDate:Apr.04,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30019501FCCID:2A7SG-COLORWAVPage2of32 Code:AB-RF-05-b Contents 1.GeneralInformation ............................................................................................................................................6 1.1.ClientInformation ....................................................................................................................................6 1.2.DescriptionofDevice(EUT) ..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest ................................................................................................7 1.4.DescriptionofTestConfiguration ..........................................................................................................7 1.5.DescriptionOfTestSetup ......................................................................................................................8 1.6.TestEquipmentList .................................................................................................................................9 1.7.MeasurementUncertainty ....................................................................................................................10 1.8.DescriptionofTestFacility ...................................................................................................................10 2.SummaryofTestResults ................................................................................................................................11 3.ConductedEmissionTest ................................................................................................................................12 3.1.TestStandardandLimit .......................................................................................................................12 3.2.TestSetup ...............................................................................................................................................12 3.3.TestProcedure .......................................................................................................................................12 3.4.TestData .................................................................................................................................................12 4.RadiationSpuriousEmissionandBandEdge .............................................................................................15 4.1.TestStandardandLimit .......................................................................................................................15 4.2.TestSetup ...............................................................................................................................................15 4.3.TestProcedure .......................................................................................................................................16 4.4.TestData .................................................................................................................................................17 5.MaximumPeakOutputPowerTest ...............................................................................................................25 5.1.TestStandardandLimit .......................................................................................................................25 5.2.TestSetup ...............................................................................................................................................25 5.3.TestProcedure .......................................................................................................................................25 5.4.TestData .................................................................................................................................................25 6.20DBOccupyBandwidthTest ........................................................................................................................26 6.1.TestStandard .........................................................................................................................................26 6.2.TestSetup ...............................................................................................................................................26 6.3.TestProcedure .......................................................................................................................................26 6.4.TestData .................................................................................................................................................26 7.CarrierFrequencySeparationTest ................................................................................................................27 7.1.TestStandardandLimit .......................................................................................................................27 7.2.TestSetup ...............................................................................................................................................27 7.3.TestProcedure .......................................................................................................................................27 7.4.TestData .................................................................................................................................................27 8.NumberofHoppingChannelTest ..................................................................................................................28 8.1.TestStandardandLimit ...................................................................…

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Code:AB-RF-05-b TestSetupPhotograph PhotoofConductedEmissionMeasurement PhotoofRadiationEmissionTest Code:AB-RF-05-b