2AYJ7CHE-643Wireless Earphones

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 Theproductistoosmalltoplacecompletelabelinformation,sothelabel isplacedinthePackagingboxandusermanual. Label

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 TRACOMPANYLTD. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.: CHE-643,CHE-637,CHE-N-001,CHE-N-002,CHE-N-003,CHE-N-004 FCCID:2AYJ7CHE-643 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:N/A Typeofantenna:CeramicAntenna Gainoftheantenna:0.8dBi Frequencyrange:2402-2480MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname: TRACOMPANYLTD. Address: Osaka-shi,Chuo-ku,Kitahama-higashi6-6OsakaJAPAN City: Osaka ZIP/Postalcode:/ Country: JAPAN Place: OsakaDate:10/19/2022 Signature:

2.4GHz 2012Chip Antenna: ANT2012R24005KL2 1 / 6 Application: WLAN, 802.11b/g, Bluetooth, etc... Features SMD, high reliability, ultra compact, Omni-directional... Part number ANT 2012 R 2400 5K L2 (1) (2) (3) (4) (5) (1)Size Code 2.0x1.2mm (2) Packing Tape and reel (3) Frequency 2.4GHz (4) Packing Number 5K (5)Code L2 Electrical Specification Working Frequency Range 2400 ~2484 MHz Peak Gain 0.8dBi (Typ.) Impedance 50 Ohm VSWR 2.5(Max) Polarization Linear Azimuth Beamwidth Omni-directional Operation Temperature(°C) -40 ~85°C The specification is defined on HEK EVB. Dimension and Terminal Configuration Dimension (mm) No. Terminal Name L 2.00±0.15 1 Feeding W 1.20±0.15 2 Ground T 0.50±0.10 D 0.20±0.15 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 2 / 6 Evaluation Board Reference PCB Dimension Antenna Layout Reference Unit : mm : Chip Antenna : Land Pattern Matching circuit 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 3 / 6 Electrical Characteristics VSWR&Efficiency Radiation Pattern ZX-Plane -40 -30 -20 -10 0 10 0 45 90 135 180 225 270 315 dBi 270 Horizontal Polarization 0° 270°90° Y Z X 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2.32.42.52.6 Efficiency(% ） Frequency (GHz) Efficiency 1 2 3 4 5 6 7 8 9 10 2.32.42.52.6 VSWR Frequency (GHz) VSWR X Y Z 2. 4 ZY- XY - 4GHz 20 Plane -Plane 012Chipp Antenna: ANTT2012RR24005KKL2 4 / 6 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 5 / 6 Taping Specifications Reel and Taping Specification Reel Specification TYPE SIZE A ψB ψC ψD W ψM 2012 7” 5K/Reel 2.0±0.5 13.5±1.021±1.060±1.0 11.5±2.0 178±2.0 Taping Specification Packaging Type A B W E F G H T ψD P Paper Type 2012 1.50±0.20 2.30±0.20 8.0±0.20 1.75±0.10 3.5±0.054.0±0.102.0±0.05 0.75±0.10 +0.10 1.50 -0 4.0±0.1 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 6 / 6 Recommended Reflow Profile Pb free solder Soaking Working Soldering Peak Temp. Time Temp. Time Temp. Time Temp. T1 T2 t1 T3 t2 T4 t3 T5 150°C 180°C 60 to 120sec230°C more than 30sec 247 to 253°Cwithin 10sec 260°C Max. Apr. 2022 Ver.H02

RFEXPOSUREEVALUATION FCCID:2AYJ7CHE-643 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 24022.112.11 ±1 3.1150.6343 GFSK24411.741.74 ±1 2.7450.5873 24801.091.09±12.0950.5103 24022.152.15 ±1 3.1550.6403 π/4-DQPSK24411.781.78 ±1 2.7850.5933 24801.081.08±12.0850.5083 24022.122.12 ±1 3.1250.6363 8DPSK24411.781.78 ±1 2.7850.5933 24801.081.08±12.0850.5083 Result:NoStandaloneSARtestisrequired.

Page 1 of 48 Appendix Test Data Report No.:18220WC20170201 Test Sample No.:1-2-2 Start Test Date:2022.7.28Finish Test Date:2022.8.10 Test Engineer:Auditor: Temperature:26.3 °C Relative Humidity: 47 % Pressure:1012 hPa Appendix A: 20dB Emission Bandwidth Test Result TestModeAntennaFrequency[MHz] 20db EBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24021.0202401.472 2402.492------ 24411.0112440.475 2441.486------ 24800.9842479.517 2480.501------ 2DH5Ant1 24021.3382401.328 2402.666------ 24411.2902440.364 2441.654------ 24801.3292479.334 2480.663------ 3DH5Ant1 24021.3022401.349 2402.651------ 24411.3112440.346 2441.657------ 24801.3262479.337 2480.663------ Page 2 of 48 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 3 of 48 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 4 of 48 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 5 of 48 3DH5_Ant1_2480 Page 6 of 48 Appendix B: Occupied Channel Bandwidth Test Result TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.90937 2401.5505 2402.4598------ 24410.89718 2440.5502 2441.4474------ 24800.90122 2479.5484 2480.4497------ 2DH5Ant1 24021.1998 2401.3978 2402.5976------ 24411.2051 2440.3986 2441.6037------ 24801.2033 2479.4000 2480.6033------ 3DH5Ant1 24021.1925 2401.4010 2402.5935------ 24411.2043 2440.3941 2441.5984------ 24801.2097 2479.3904 2480.6001------ Page 7 of 48 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 8 of 48 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 9 of 48 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 10 of 48 3DH5_Ant1_2480 Page 11 of 48 Appendix C: Maximum conducted output power Test Result Peak Test Mode AntennaFrequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24022.11≤20.97PASS 24411.74≤20.97PASS 24801.09≤20.97PASS 2DH5Ant1 24022.15≤20.97PASS 24411.78≤20.97PASS 24801.08≤20.97PASS 3DH5Ant1 24022.12≤20.97PASS 24411.78≤20.97PASS 24801.08≤20.97PASS Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 Page 12 of 48 DH5_Ant1_2480 2DH5_Ant1_2402 Page 13 of 48 2DH5_Ant1_2441 2DH5_Ant1_2480 3DH5_Ant1_2402 Page 14 of 48 3DH5_Ant1_2441 3DH5_Ant1_2480 Page 15 of 48 Appendix D: Carrier frequency separation Test Result TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop1.324≥0.680PASS 2DH5Ant1Hop0.98≥0.892PASS 3DH5Ant1Hop1.264≥0.884PASS Page 16 of 48 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page 17 of 48 Page 18 of 48 Appendix E: Time of occupancy Test Result TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.373200.118≤0.4PASS DH3Ant1Hop1.631600.261≤0.4PASS DH5Ant1Hop2.88106.670.307≤0.4PASS 2DH1Ant1Hop0.383200.122≤0.4PASS 2DH3Ant1Hop1.631600.261≤0.4PASS 2DH5Ant1Hop2.88106.670.307≤0.4PASS 3DH1Ant1Hop0.383200.122≤0.4PASS 3DH3Ant1Hop1.631600.261≤0.4PASS 3DH5Ant1Hop2.88106.670.307≤0.4PASS Page 19 of 48 Test Graphs DH1_Ant1_Hop DH3_Ant1_Hop DH5_Ant1_Hop Page 20 of 48 2DH1_Ant1_Hop 2DH3_Ant1_Hop Page 21 of 48 2DH5_Ant1_Hop 3DH1_Ant1_Hop 3DH3_Ant1_Hop Page 22 of 48 3DH5_Ant1_Hop Page 23 of 48 Appendix F: Number of hopping channels Test Result TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS 3DH5Ant1Hop79≥15PASS Page 24 of 48 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page 25 of 48 Page 26 of 48 Appendix G: Band edge measurements Test Result TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24024.92-55.53≤-15.08 PASS High24803.72-56.85≤-16.28 PASS LowHop_24024.55-57.86≤-15.45 PASS HighHop_24803.53-57.51≤-16.47 PASS 2DH5Ant1 Low24023.50-52.26≤-16.5 PASS High24802.48-56.65≤-17.52 PASS LowHop_24022.92-57.57≤-17.09 PASS HighHop_24802.29-57.9≤-17.71 PASS 3DH5Ant1 Low24023.18-52.85≤-16.82 PASS High24802.53-57.18≤-17.47 PASS LowHop_24022.08-58.11≤-17.92 PASS HighHop_24800.05-57.86≤-19.95 PASS Page 27 of 48 Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page 28 of 48 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 Page 29 of 48 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 Page 30 of 48 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 Page 31 of 48 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 Page 32 of 48 Appendix H: Conducted Spurious Emission Test Result TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference4.874.87---PASS 30~10004.87-69.78≤-15.13 PASS 1000~265004.87-53.71≤-15.13 PASS 2441 Reference4.524.52---PASS 30~10004.52-69.46≤-15.48 PASS 1000~265004.52-53.92≤-15.48 PASS 2480 Reference3.823.82---PASS 30~10003.82-68.68≤-16.18 PASS 1000~265003.82-53.81≤-16.18 PASS 2DH5Ant1 2402 Reference3.393.39---PASS 30~10003.39-69.21≤-16.61 PASS 1000~265003.39-53.82≤-16.61 PASS 2441 Reference3.133.13---PASS 30~10003.13-68.65≤-16.87 PASS 1000~265003.13-54.33≤-16.87 PASS 2480 Reference2.642.64---PASS 30~10002.64-69.97≤-17.36 PASS 1000~265002.64-54.06≤-17.36 PASS 3DH5Ant1 2402 Reference3.383.38---PASS 30~10003.38-70.03≤-16.62 PASS 1000~265003.38-53.96≤-16.62 PASS 2441 Reference3.243.24---PASS 30~10003.24-69.35≤-16.76 PASS 1000~265003.24-53.41≤-16.76 PASS 2480 Reference2.612.61---PASS 30~10002.61-69.61≤-17.39 PASS 1000~265002.61-53.5≤-17.39 PASS Page 33 of 48 Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page 34 of 48 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page 35 of 48 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page 36 of 48 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page 37 of 48 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page 38 of 48 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page 39 of 48 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page 40 of 48 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 Page 41 of 48 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 Page 42 of 48 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference Page 43 of 48 3DH5_Ant1_2…

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ReportNo.:18220WC20170201FCCID:2AYJ7CHE-643Page1of33 Code:AB-RF-05-b FCCTestReport ClientName:TRACOMPANYLTD. ClientAddress: Osaka-shi,Chuo-ku,Kitahama-higashi6-6 OsakaJAPAN ProductName:WirelessEarphones ReportDate:Oct.19,2022 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC20170201FCCID:2AYJ7CHE-643Page2of33 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 ....................................................................................................................11 1.8.DescriptionofTestFacility ...................................................................................................................11 2.SummaryofTestResults .................................................................................................................................12 3.ConductedEmissionTest ................................................................................................................................13 3.1.TestStandardandLimit ........................................................................................................................13 3.2.TestSetup ...............................................................................................................................................13 3.3.TestProcedure .......................................................................................................................................13 3.4.TestData .................................................................................................................................................13 4.RadiationSpuriousEmissionandBandEdge .............................................................................................16 4.1.TestStandardandLimit ........................................................................................................................16 4.2.TestSetup ...............................................................................................................................................16 4.3.TestProcedure .......................................................................................................................................17 4.4.TestData .................................................................................................................................................18 5.MaximumPeakOutputPowerTest ...............................................................................................................26 5.1.TestStandardandLimit ........................................................................................................................26 5.2.TestSetup ...............................................................................................................................................26 5.3.TestProcedure .......................................................................................................................................26 5.4.TestData .................................................................................................................................................26 6.20DBOccupyBandwidthTest ........................................................................................................................27 6.1.TestStandard .........................................................................................................................................27 6.2.TestSetup ...............................................................................................................................................27 6.3.TestProcedure .......................................................................................................................................27 6.4.TestData .................................................................................................................................................27 7.CarrierFrequencySeparationTest ................................................................................................................28 7.1.TestStandardandLimit ........................................................................................................................28 7.2.TestSetup ...............................................................................................................................................28 7.3.TestProcedure .......................................................................................................................................28 7.4.TestData .................................................................................................................................................28 8.NumberofHoppingChannelTest ..................................................................................................................29 8.1.TestStandardandLimit ........................................................................................................................29 Rep…

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