2A2AR-STG6954KBLED WIRELESS SPEAKER

成品尺寸：102x130mm 展开尺寸：204X130mm 80g双胶纸+双面单黑+对折 FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference, and (2)this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. .Increase the separation between the equipment and receiver. .Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. .Consult the dealer or an experienced radio/TV technician for help . Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. RF Exposure Information The device was evaluated to meet general RF exposure requirements. This equipment should be installed and used with a minimum distance of 0 mm between the radiator and your body.

Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7 435 Oakland Mills Road Columbia, MD - DongGuan Xinvouc Electronic Co.Ltd - 21046 U.S. Agent Designatio 12/18/23 n [Donif,uan Xinvouc Electronic Co.Ltd] acknowledges their consent fo「 the following contact located in the United States to act as their agent fo「 service of process fo「 the equipment fo「 which authorization is sought (FCC ID 2A2AR-STG6954KB Name and company of U.S. agent: Physical U.S. add「essof agent: FRN of U.S. agent: Email adctess of U.S. agent: DongGuan Xinvouc Electronic Co.ltd wth the FRN [0031028954] accepts its obligation to maintain an agent to「serviceof process in the United States to「noless than one yea「afte「eithe「thegrantee has permanently terminated all ma「Ketingand importation of the applicable equipment within the U.S., o「theconclusion of any Commission-related administrative o「jucicialproceeding involving the e中ipment,whichever is late [USA MEIHUA TRADING INC] acknowledges their obligation to accept service of process on behalf of [DongGuan Xinvouc Electronic (USA MEIHUATRADING INC] ( 5379 PineValley Ct Boulde 「 co 80301United States] (0033406166] ([email protected]] Co.Ltd] 「 By signing this form, we confi「mthe above and that we a「eawa「eof the application re中1「ementslisted un知§ 2. 911 ( d ) [l ) The information p「ovidedin this letter is based on the refe「encedrule parts of Title 47 of the CFR as wen as KDB 986446 D01 An expi「ationdate fo「thislette「doesnot exist. In case the U.S. agent changes , the grantee is obligated to notify the FCC within 30 days via the granting TCB S i ncere l y , 巨 心 七 务 令 f2. 一 S O A ' n ' CXP)二6 · i 1uo11v snli•puuj 8P Signatu「e Betty Be Manager Donif,uan Xinvouc Electronic Co.Ltd Signatu「e Ha 「leyQuinn Manager USA MEIHUA TRADING INC

Page1of5 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of5 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of5 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of5 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5of5 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 ------End------

Label FCCID:2A2AR-STG6954KB

RFExposureevaluation FCCID:2A2AR-STG6954KB ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.1.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSARtest exclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholdcondition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedonsource-based time-averagedmaximumconductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-up tolerance,andtheminimumtestseparationdistancerequiredfortheexposureconditions.22Theminimum testseparationdistanceisdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresor outersurfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements, toanypartofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatformrequirements,typically intheSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRFexposureKDB procedures.WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfortheSARtest exclusion.Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposureKDB proceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTT two-wayradios,handsets,laptops&tabletsetc.23“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where: • f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison • 3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto5)insection4.1isappliedtodetermineSARtestexclusion. 1.2.Manufacturingtolerance BR-EDR Frequency (MHz) GFSK 240224412480 Target(dBm)2.0-1.0-2.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) π/4DQPSK 240224412480 Target(dBm)3.01.00.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) 8DPSK 240224412480 Target(dBm)3.02.00.0 Tolerance ± (dB) 1.01.01.0 Page2of2 2.EvaluationResult EvaluationResults Band/Modef(GHz) Antenna Distance (mm) Max.RFoutputpower (includingtune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BR-EDR2.554.02.510.79<3Yes 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06 .....................EndofReport.........................

Page1of38ReportNo.:AIT23112706FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:DongGuanXinvoucElectronicCo.Ltd Applicantadd.: 401,Building1,NO53,GaotangRoad,TangxiaTown,Dongguan, Guangdong,China Manufacturer:XinvoIndustrialCompanyLimited Manufactureradd.: Room408,4F,BuildingA,GetailongIndustrialPark,BanTian,LongGangDist, Shenzhen,Guangdong,China ProductInformation: ProductName:LEDWIRELESSSPEAKER ModelNo:STG-6954-KB BrandName:N/A FCCID:2A2AR-STG6954KB Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Nov.27,2023DateofTest:Nov.27,2023~Nov.28,2023 DateofIssue:Nov.29,2023TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthe testresultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements. Anditisapplicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: SimbaHuangSeal.chen Page2of38ReportNo.:AIT23112706FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................11 6.1Antennarequirement..................................................................................................................12 6.2PeakPowerMeasurement.........................................................................................................13 6.3FrequencySeparationand20dBBandwidth............................................................................15 6.4NumberofHoppingFrequency..................................................................................................17 6.5TimeofOccupancy(DwellTime)...............................................................................................17 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................17 6.7Restrict-bandBand-edgeMeasurements..................................................................................22 6.8RadiatedEmissionsMeasurement............................................................................................24 6.9ConductedEmissions.................................................................................................................34 6.10Pseudorandomfrequencyhoppingsequence...........................................................................37 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................38 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................38 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................38 Page3of38ReportNo.:AIT23112706FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. RevisionHistory RevisionIssueDateRevisionsRevisedBy 000Nov.29,2023InitialIssueSealChen Page4of38ReportNo.:AIT23112706FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 2T…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page1of61 AppendixA RFTestDataforBT(BDR/EDR)(ConductedMeasurement) ProductName:LEDWIRELESSSPEAKER TradeMark:N/A TestModel:STG-6954-KB EnvironmentalConditions Temperature:24.4°C RelativeHumidity:52.3% ATMPressure:101Kpa TestEngineer:SimbaHuang Supervisedby:SealChen DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page2of61 Contents Page COVERPAGE 1DutyCycle........................................................................................................................................................................................3 1.1TestResult............................................................................................................................................................................3 1.2TestGraphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................9 2.1TestResult............................................................................................................................................................................9 2.2TestGraphs.........................................................................................................................................................................10 320dBBandwidth..............................................................................................................................................................................15 3.1TestResult..........................................................................................................................................................................15 3.2TestGraphs.........................................................................................................................................................................16 4CarrierFrequencySeparation.........................................................................................................................................................21 4.1TestResult..........................................................................................................................................................................21 4.2TestGraphs.........................................................................................................................................................................22 5HoppingChannelNumber...............................................................................................................................................................24 5.1TestResult..........................................................................................................................................................................24 5.2TestGraphs.........................................................................................................................................................................25 6DwellTime......................................................................................................................................................................................27 6.1TestResult..........................................................................................................................................................................27 6.2TestGraphs.........................................................................................................................................................................28 7RFConductedSpuriousEmissions.................................................................................................................................................31 7.1TestResult..........................................................................................................................................................................31 7.2TestGraphs.........................................................................................................................................................................32 8Band-edgeforRFConductedEmissions........................................................................................................................................41 8.1TestResult..........................................................................................................................................................................41 8.2TestGraphs.........................................................................................................................................................................42 9Restrict-bandband-edgemeasurements........................................................................................................................................54 9.1TestResult..........................................................................................................................................................................54 9.2TestGraphs.........................................................................................................................................................................56 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page3of61 1DutyCycle 1.1TestResult ModeFrequency(MHz)DutyCycle(%)1/T(kHz) 1-DH1240232.82.5 1-DH1244132.442.5 1-DH1248032.82.5 2-DH1240233.62.44 2-DH1244132.82.5 2-DH1248033.612.44 3-DH1240233.62.44 3-DH1244133.412.5 3-DH1248033.612.44 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page4of61 1.2TestGraphs TestGraphs 1-DH12402MHz 1-DH12441MHz DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page5of61 1-DH12480MHz 2-DH12402MHz DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page6of61 2-DH12441MHz 2-D…

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DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page39of61 8DPSK_MCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page40of61 8DPSK_HCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page41of61 8Band-edgeforRFConductedEmissions 8.1TestResult Mode Channe l Carrier Frequency [MHz] Frequenc yHopping MaxSpurious Level[dBc] Limit [dBc] Verdict GFSK LCH2402 Off-56.98-20Pass On-55.35-20Pass HCH2480 Off-54.22-20Pass On-52.44-20Pass π/4DQPSK LCH2402 Off-57.44-20Pass On-55.78-20Pass HCH2480 Off-53.56-20Pass On-52.88-20Pass 8DPSK LCH2402 Off-57.41-20Pass On-56.02-20Pass HCH2480 Off-54.38-20Pass On-52.79-20Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page42of61 8.2TestGraphs TestGraphs Pref GFSK/LCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page43of61 Ref GFSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page44of61 Ref GFSK/HCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page45of61 Ref. GFSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page46of61 Ref π/4DQPSK/LCH/No Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page47of61 Ref π/4DQPSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page48of61 Ref π/4DQPSK/HCH/No Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page49of61 Ref π/4DQPSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page50of61 Ref 8DPSK/LCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page51of61 Ref 8DPSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page52of61 Ref 8DPSK/HCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page53of61 Ref 8DPSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page54of61 9Restrict-bandband-edgemeasurements 9.1 TestResult Test Mode HoppingFreq. Power [dBm] Gain E [dBuV/m] Detector Limit [dBuV/m] Verdict GFSK Off2310.0-48.03249.23PEAK74Pass Off2310.0-57.41239.85AV54Pass Off2339.568-44.81252.45PEAK74Pass Off2340.528-55.3241.96AV54Pass Off2390.0-46.16251.1PEAK74Pass Off2390.0-57.81239.45AV54Pass Off2483.5-48.92248.34PEAK74Pass Off2483.5-57.15240.11AV54Pass Off2498.08-46.72250.54PEAK74Pass Off2489.44-56.59240.67AV54Pass Off2500.0-49.33247.93PEAK74Pass Off2500.0-57.03240.23AV54Pass π/4DQPSK Off2310.0-49.91247.35PEAK74Pass Off2310.0-57.29239.97AV54Pass Off2363.856-45.02252.24PEAK74Pass Off2340.24-55.28241.98AV54Pass Off2390.0-49.11248.15PEAK74Pass Off2390.0-57.43239.83AV54Pass Off2483.5-34.54262.72PEAK74Pass Off2483.5-56.98240.28AV54Pass Off2483.512-34.54262.72PEAK74Pass Off2492.128-56.78240.48AV54Pass Off2500.0-47.21250.05PEAK74Pass Off2500.0-57.31239.95AV54Pass 8DPSK Off2310.0-50.22247.04PEAK74Pass Off2310.0-57.47239.79AV54Pass Off2341.872-45.71251.55PEAK74Pass Off2341.008-55.25242.01AV54Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page55of61 Off2390.0-49.3247.96PEAK74Pass Off2390.0-57.88239.38AV54Pass Off2483.5-48.67248.59PEAK74Pass Off2483.5-57.01240.25AV54Pass Off2493.112-46.6250.66PEAK74Pass Off2485.528-56.69240.57AV54Pass Off2500.0-49.71247.55PEAK74Pass Off2500.0-57240.26AV54Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page56of61 9.2TestGraphs Restrict-bandband-edgemeasurements_HoppingOff_GFSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_GFSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page57of61 Restrict-bandband-edgemeasurements_HoppingOff_GFSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_GFSK_Average(HighChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page58of61 Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page59of61 Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_Average(HighChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page60of61 Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23112706FW1 Page61of61 Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_Average(HighChannel) ---TheEnd---

Page1of2 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TestSetupPhoto RadiatedEmission Page2of2 FCCID:2A2AR-STG6954KB DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ConductedEmission ------End------