2ADINU25NUU Buds A

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

LabelLocationOnEUT Label Model:U25 Capacity:3.7V400mA Input:5V⎓400mA Output:5V⎓75mA FCCID:2ADINU25

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

version01 SunCupidTechnology(HK)Ltd. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:U25 FCCID:2ADINU25 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:N/A Typeofantenna:ChipAntenna Gainoftheantenna:1.95dBi Frequencyrange:BDR+EDR&BLE:2402~2480MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:SunCupidTechnology(HK)Ltd. Address:16/F,CEOTower,77WingHongSt,CheungShaWan,Kowloon,Hong Kong City:HongKong ZIP/Postalcode:/ Country:HongKong Place:Date:9/26/2022 Signature:

2.4GHz2012ChipAntenna:RANT2012F245C07 Dimension(mm) L2.05+-0.15 W1.20+-0.15 T0.85+-0.10 No.TerminalName 1Feeding/GNG 2GND Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT2012F245C07 (A)(B)(C)(D)(E)(F) (A)ProductTypeChipAntenna (B)SizeCode2.0x1.2mm(+-0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=06 ElectricalSpecification WorkingFrequencyRange2400~2484MHz Bandwidth84(Min.) PeakGain1.95dBi (Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280°C) TerminationNi/Au(Leadless) ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz2012ChipAntenna:RANT2012F245C07 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss ReturnLoss&Radiation 1 Frequency(MHz) S11(dB) 2400-10.77 2450-24.81 2484-10.243 Radiation Z Y X 2400MHz2450MHz2500MHz Efficiency70.56%75.25%71.01% PeakGain1.72dBi1.95dBi1.69dBi Directivity2.26dBi2.69dBi2.11dBi 2.4GHz2012ChipAntenna:RANT2012F245C07 TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 20127”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTDP PaperType2012 1.50±0.202.30±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.101.57±0.104.0±0.1 2.4GHz2012ChipAntenna:RANT2012F245C07 ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz2012ChipAntenna:RANT2012F245C06 2.4GHz2012ChipAntenna:RANT2012F245C07 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12020/10/15NewDatasheet

RFEXPOSUREEVALUATION FCCID:2ADINU25 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 24021.281.28 ±1 2.2850.5243 BDR+EDR 24411.391.39±12.3950.5423 24801.011.01±12.0150.5003 24023.543.54 ±1 4.5450.8823 24413.713.71±14.7150.9243 24803.253.25±14.2550.8383 24021.271.27 ±1 2.2750.5233 BLE24401.381.38±12.3850.5403 24800.950.95±11.9550.4933 Result:NoStandaloneSARtestisrequired.

Page1of38 AppendixTestData ReportNo.:18220WC20212001TestSampleNo.:1-2-2 StartTestDate:2022.9.7FinishTestDate:2022.9.13 TestEngineer:Auditor: Temperature:27.3 °C RelativeHumidity:47% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz]20dbEBW[MHz]FL[MHz]FH[MHz] DH5Ant1 24020.9602401.5322402.492 24410.9452440.5382441.483 24800.9482479.5382480.486 2DH5Ant1 24021.3232401.3342402.657 24411.3142440.3432441.657 24801.3172479.3372480.654 Page2of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page4of38 2DH5_Ant1_2480 Page5of38 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz] DH5Ant1 24020.855342401.56792402.4233 24410.847112440.57352441.4206 24800.855152479.56892480.4240 2DH5Ant1 24021.17492401.40822402.5831 24411.17592440.40802441.5839 24801.18582479.40372480.5895 Page6of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page7of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page8of38 2DH5_Ant1_2480 Page9of38 AppendixC:Maximumconductedoutputpower TestResult TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24021.28≤20.97PASS 24411.39≤20.97PASS 24801.01≤20.97PASS 2DH5Ant1 24023.54≤20.97PASS 24413.71≤20.97PASS 24803.25≤20.97PASS Page10of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page11of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page12of38 2DH5_Ant1_2480 Page13of38 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop1.014≥0.960PASS 2DH5Ant1Hop1.172≥0.882PASS TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop Page14of38 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.4023190.128≤0.4PASS DH3Ant1Hop1.6571550.257≤0.4PASS DH5Ant1Hop2.9041080.314≤0.4PASS 2DH1Ant1Hop0.4123190.131≤0.4PASS 2DH3Ant1Hop1.6621710.284≤0.4PASS 2DH5Ant1Hop2.9111090.317≤0.4PASS Page15of38 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page16of38 DH5_Ant1_Hop Page17of38 2DH1_Ant1_Hop 2DH3_Ant1_Hop Page18of38 2DH5_Ant1_Hop Page19of38 Page20of38 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop Page21of38 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24020.90-52.85≤-19.11PASS High24800.74-54.61≤-19.26PASS LowHop_2402-0.02-55.62≤-20.02PASS HighHop_24800.77-44.55≤-19.23PASS 2DH5Ant1 Low24020.58-50.79≤-19.42PASS High2480-0.06-56.96≤-20.06PASS LowHop_2402-1.78-55.64≤-21.78PASS HighHop_24800.77-44.45≤-19.23PASS Page22of38 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page23of38 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 Page24of38 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 Page25of38 Page26of38 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference0.850.85---PASS 30~10000.85-64.43≤-29.15PASS 1000~265000.85-33.61≤-29.15PASS 2441 Reference0.400.40---PASS 30~10000.40-64.04≤-29.6PASS 1000~265000.40-35.21≤-29.6PASS 2480 Reference-0.02-0.02---PASS 30~1000-0.02-64.25≤-30.02PASS 1000~26500-0.02-36.63≤-30.02PASS 2DH5Ant1 2402 Reference-1.77-1.77---PASS 30~1000-1.77-63.31≤-31.77PASS 1000~26500-1.77-34≤-31.77PASS 2441 Reference0.240.24---PASS 30~10000.24-64.11≤-29.76PASS 1000~265000.24-36.3≤-29.76PASS 2480 Reference0.040.04---PASS 30~10000.04-63.31≤-29.96PASS 1000~265000.04-38.51≤-29.96PASS Page27of38 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page28of38 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page29of38 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page30of38 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page31of38 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page32of38 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page33of38 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page34of38 Page35of38 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] DH5Ant1 24022.903.7577.331.12 24412.903.7577.331.12 24802.913.7577.601.10 2DH5Ant1 24022.923.7577.871.09 24412.913.7577.601.10 24802.913.7477.811.09 Page36of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page37of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page38of38 2DH5_Ant1_2480 ---End---

ReportNo.:18220WC20212001FCCID:2ADINU25Page1of32 Code:AB-RF-05-b FCCTestReport ClientName:SunCupidTechnology(HK)Ltd. ClientAddress: 16/F,CEOTower,77WingHongSt,Cheung ShaWan,Kowloon,HongKong ProductName:NUUBudsA ReportDate:Sept.26,2022 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC20212001FCCID:2ADINU25Page2of32 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 ........................................................................................................................2…

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