2A3WI-TP11AAudio DAC

GuangzhouTOPPINGTechnologyCo.,Ltd ModelDifference Productdescription:AudioDAC Modelname:TP11A TP11AA,TP11AB,TP11AC,TP11AD TradeName:TOPPING FCCID:2A3WI-TP11A AllthemodelarethesamecircuitandRFmodule,onlyformodelname. Regards Sincerely Client’ssignature: Client’sname/title:Lvlin(N/A) Contactinformation/address:Rm201,26thJiaomenRd,Huangge,Nansha,Guangzhou,China.

C5266091_X8_Ed.1 1/1 LetterofAuthorization <GuangzhouTOPPINGTechnologyCo.,Ltd> Company:GuangzhouTOPPINGTechnologyCo.,Ltd Address:Rm201,26thJiaomenRd,Huangge,Nansha,Guangzhou,China. ProductName:AudioDAC ModelNumber:TP11A TP11AA,TP11AB,TP11AC,TP11AD FCCIdentifier:2A3WI-TP11A WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:LvlinDate:2022-12.28 Title:N/A Signatureofapplicant:

1/1 Offic Fed e 7435 Colum Subje To W Purs u (47C attac Abo v cons discl o comp It is corr e docu equip Sinc e Signa Nam Title: e of Engine eral Commu 5 Oakland M mbia, MD 2 ect: Reque Whom It Ma FCC ID:2A3WI-T y uant to th CFR0.457, 0 chment(s) a ve mentione idered as osure of ab petitor an u our under s espondent d uments and pment auth erely, ature: e: Lv lin : N/A <Guang eering Techn nications Co Mills Road 21046 y s d Concern, he provisio 0.459), we as confident Exhibits ID Label/Loca Attestation St External Photo Block Diagram Schematics Test Report Test Setup Ph User’s Manua Internal Photo Parts List / Tu RF Exposure I Operational D Cover Letter(s SDR Software ed docume proprietar y bove docum nfair advan standing th during cert those infor orization is gzhou TOP nology ommission st for Confid TP11A entiality ns of Sec t are reques tial docume ation tatement os m hotos l os une Up Info Description s) e / Security Inf nt contains y informatio ments migh ntage in the hat all mea tification rev rmation wil issued. PPING Tec tions 0.457 sting the C nt from pub Lon Co n fo s detailed s on in oper ht be harm market. surement t view proce l be availab hnology Co 7 and 0.4 Commission blic disclosu g-Term nfidentiality S C No No No No No No system and ration of th mful to our test reports ess cannot ble for publ C5 o., Ltd> D 59 of Com to withho ure. Short-Term Confidentiality No No No No No equipment he equipm company s, FCC ID la be granted ic review o 266091_X10 mmission's old the follo y t descriptio ent. The p and would abel format d as confid nce the gr a 0_Ed.1 12-1Date: 2022-3 rules owing n are public give t and ential ant of

EUTPHOTO(ExternalPhotos) ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation High:2cm Wide:3cm AudioDAC FCCID:2A3WI-TP11A

EUTPHOTO(InternalPhotos)

※※※※※ENDOFREPORT※※※※※ ANT

FCCID:2A3WI-TP11A RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation BTmode ModeFrequency Outputpower toantenna (dBm) Outputpower toantenna (mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result GFSK24412.531.790.0006131.0PASS π/4-DQPSK 24803.202.090.0007161.0PASS 8-DPSK24803.322.150.0007361.0PASS Remark:antennagain=2.36dBi

承 认 书 SPECIFICATION FOR APPROVAL 客 户 名 称 CUSTOMER NAME: 产 品 名 称 PRODUCT NAME: 2.4G -2dBi 小SMA铜头公针黑色天线 客 户 料 号 CUSTOMER P/N: 电子料号 P/N: REV: A MANUFACTURER SIGNATURE CUSTOMER SIGNATURE CHECKED BY: AUDITOR BY: APPROVED BY: DATE: 2016-07-06 ShenzhenXiangboyiTechnologyCo.Ltd Tel:(+86)0755-29369912Fax:(+86)0755-61624200 R&DCenter:101,floor1,Wenchengbuilding,YousongCulturalInnovationPark,No.95, YousongRoad,LonghuaDistrict,Shenzhen. ProductionBase:5/F,buildingB,Huazhichuanggu,No.7,Yuhuastreet,138Industrial Zone,TangxiaTown,DongguanCity. Contents ltem Description 一、-----------------------------------------------------------规格表 二、 ----------------------------------------------------------成品图 三、 ---------------------------------------------------------测试报告 一、规格表: 产品主要技术参数 主要技术指标 Main technical specifications 频率范围 （MHZ） 2400-2500 Frequency Range (MHZ) 2400-2500 特性阻抗(Ω) 50 Impedance(Ω) 50 增益(dBi) 2±0.5 Gain(dBi) 2±0.5 输出电压 驻波比 ≦1.92 VSWR ≦1.92 最大功率 10W Admitted Power 10W 极化方式 垂直极化 Polarization Linear,Vertical 方向性 全向性 Radiation Omni-directional 连接方式 SMA Connector Type SMA 物理性能 Physical Properties 天线外套材料 TPEE Antenna cover TPEE 工作温度 -20°C~+70°C Operating Temp -20°C~+70°C 保存温度 -20°C~+70°C Storage Temp -20°C~+70°C 二、成品图： 三、测试报告 3.1：网络分析仪测试报告 3.2：暗室2D、3DRaditation Pattern 2.4GHz Gain:2.11 dBi Efficiency:75.6 1% 2.45GHz Gain:2.23dBi Efficiency: 78.45% 2.5GHz Gain: 2.36dBi Efficiency: 79.32%

ProjectNo.:ZKT-2212139278E Page 1 of 71 FCCTESTREPORT FCCID:2A3WI-TP11A ReportNumber. .................................... :ZKT-2212139278E DateofTest ...................................................... :Dec.19,2022toDec.29,2022 Dateofissue.........................................:Dec.29,2022 Totalnumberofpages......................... 71 TestResult .......................................... : PASS TestingLaboratory...........................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: GuangzhouTOPPINGTechnologyCo.,Ltd Address...............................................: Rm201,26thJiaomenRd,Huangge,Nansha,Guangzhou,China. Manufacturer'sname ...................... : GuangzhouTOPPINGTechnologyCo.,Ltd Address...............................................: Rm201,26thJiaomenRd,Huangge,Nansha,Guangzhou,China. Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo........................: TRF-EL-112_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2021-04-22 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:AudioDAC Trademark...........................................: TOPPING Model/Typereference.........................: TP11A TP11AA,TP11AB,TP11AC,TP11AD Ratings .................................................. : Input:AC100-240V,50/60Hz,0.2A ProjectNo.:ZKT-2212139278E Page 2 of 71 Testingprocedureandtestinglocation: TestingLaboratory .......................................... :ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature) ....................... : JacksonFang Reviewer(name+signature) ....................... : LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-2212139278E Page 3 of 71 TableofContents Page 1.VERSION.............................................................5 2.TESTSUMMARY......................................................6 2.1TESTFACILITY.......................................................7 2.2MEASUREMENTUNCERTAINTY.......................................7 3.GENERALINFORMATION..............................................8 3.1GENERALDESCRIPTIONOFEUT.....................................8 3.2TestSetupConfiguration...............................................9 3.3SupportEquipment....................................................9 3.4TestMode...........................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.............................11 4.EMCEMISSIONTEST.................................................13 4.1Conductedemissions.................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits........................13 4.1.2TESTPROCEDURE................................................13 4.1.3DEVIATIONFROMTESTSTANDARD................................13 4.1.4TESTSETUP......................................................13 4.1.5EUTOPERATINGCONDITIONS.....................................14 4.1.6TestResult........................................................15 4.2Radiatedemissions...................................................17 4.2.1RadiatedEmissionLimits............................................17 4.2.2TESTPROCEDURE................................................17 4.2.3DEVIATIONFROMTESTSTANDARD................................18 4.2.4TESTSETUP......................................................18 4.2.5EUTOPERATINGCONDITIONS.....................................19 4.2.6TESTRESULTS....................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT..........................28 5.1TestRequirement:....................................................28 5.2TESTPROCEDURE..................................................28 5.3DEVIATIONFROMTESTSTANDARD..................................29 5.4TESTSETUP........................................................29 5.5EUTOPERATINGCONDITIONS.......................................29 5.6TESTRESULT.......................................................30 6.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION..................32 6.1Limit................................................................32 6.2TestSetup..........................................................32 6.3Testprocedure.......................................................32 6.4DEVIATIONFROMSTANDARD.......................................32 6.5TestResult..........................................................33 7.20DB&99%BANDWIDTH..............................................42 7.1TestSetup..........................................................42 7.2Limit................................................................42 7.3Testprocedure.......................................................42 7.4DEVIATIONFROMSTANDARD.......................................42 ProjectNo.:ZKT-2212139278E Page 4 of 71 7.5TestResult..........................................................43 8.MAXIMUMPEAKOUTPUTPOWER....................................48 8.1BlockDiagramOfTestSetup..........................................48 8.2Limit................................................................48 8.3Testprocedure................…

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ProjectNo.:ZKT-2212139278E Page 41 of 71 8-DPSKNo-hoppingBandedge-rightside 8-DPSKHoppingBandedge-rightside ProjectNo.:ZKT-2212139278E Page 42 of 71 7.20DB&99%BANDWIDTH TestRequirement:FCCPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 7.1TestSetup 7.2Limit N/A 7.3Testprocedure 1.SetRBW=30kHz. 2.Setthevideobandwidth(VBW)≥3xRBW. 3.Detector=Peak. 4.Tracemode=maxhold. 5.Sweep=autocouple. 6.Allowthetracetostabilize. 7.Measurethemaximumwidthoftheemissionthatisconstrainedbythefrequenciesassociatedwiththetwo outermostamplitudepoints(upperandlowerfrequencies)thatareattenuatedby6dBrelativetothe maximumlevelmeasuredinthefundamentalemission. 7.4DEVIATIONFROMSTANDARD Nodeviation. ProjectNo.:ZKT-2212139278E Page 43 of 71 7.5TestResult ModeTestchannel 20dBEmission Bandwidth(MHz) Result GFSK Lowest0.8423 PassMiddle0.8528 Highest0.8444 π/4-DQPSK Lowest1.2480 PassMiddle1.2410 Highest1.2760 8-DPSK Lowest1.2470 PassMiddle1.2420 Highest1.2890 Testplots GFSKLowChannel ProjectNo.:ZKT-2212139278E Page 44 of 71 GFSKMiddleChannel GFSKHighChannel ProjectNo.:ZKT-2212139278E Page 45 of 71 π/4-DQPSKLowChannel π/4-DQPSKMiddleChannel ProjectNo.:ZKT-2212139278E Page 46 of 71 π/4-DQPSKHighChannel 8-DPSKLowChannel ProjectNo.:ZKT-2212139278E Page 47 of 71 8-DPSKMiddleChannel 8-DPSKHighChannel ProjectNo.:ZKT-2212139278E Page 48 of 71 8.MaximumPeakOutputPower TestRequirement:FCCPart15CSection15.247(b)(1) TestMethod:ANSIC63.10:2013 Limit:GFSK:30dBm π/4-DQPSK&8-DPSK:20.97dBm 8.1BlockDiagramOfTestSetup 8.2Limit Forfrequencyhoppingsystemsoperatinginthe2400-2483.5MHzbandemployingatleast75 non-overlappinghoppingchannels,andallfrequencyhoppingsystemsinthe5725-5850MHzband:1watt. Forallotherfrequencyhoppingsystemsinthe2400-2483.5MHzband:0.125watts. ForFHSsoperatingintheband2400-2483.5MHz,themaximumpeakconductedoutputpowershallnot exceed1.0Wifthehopsetuses75ormorehoppingchannels;themaximumpeakconductedoutputpower shallnotexceed0.125Wifthehopsetuseslessthan75hoppingchannels.Thee.i.r.p.shallnotexceed4W. 8.3Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setthespectrumanalyzer:RBW=2MHz.VBW=6MHz.Sweep=auto;DetectorFunction=Peak. 3.KeeptheEUTintransmittingatlowest,mediumandhighestchannelindividually.Recordthemaxvalue. 8.4DEVIATIONFROMSTANDARD Nodeviation. ProjectNo.:ZKT-2212139278E Page 49 of 71 8.5TestResult ModeTestchannel PeakOutputPower (dBm) FCCLimit (dBm) Result GFSK Lowest2.309 30.00PassMiddle2.391 Highest2.526 π/4-DQPSK Lowest3.068 21.00PassMiddle3.137 Highest3.198 8-DPSK Lowest3.006 21.00PassMiddle3.132 Highest3.314 Testplots GFSKLowChannel ProjectNo.:ZKT-2212139278E Page 50 of 71 GFSKMiddleChannel GFSKHighChannel ProjectNo.:ZKT-2212139278E Page 51 of 71 π/4-DQPSKLowChannel π/4-DQPSKMiddleChannel ProjectNo.:ZKT-2212139278E Page 52 of 71 π/4-DQPSKHighChannel 8-DPSKLowChannel ProjectNo.:ZKT-2212139278E Page 53 of 71 8-DPSKMiddleChannel 8-DPSKHighChannel ProjectNo.:ZKT-2212139278E Page 54 of 71 9.HOPPINGCHANNELSEPARATION TestRequirement:FCCPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=30KHz,VBW=100KHz,detector=Peak Limit: GFSK:20dBbandwidth π/4-DQPSK&8DSK:0.025MHzor2/3ofthe20dBbandwidth(whichever isgreater) 9.1TestSetup 9.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaport tothespectrum. 2.Setthespectrumanalyzer:RBW=30kHz.VBW=100kHz,Span=3.0MHz.Sweep=auto;Detector Function=Peak.Trace=Maxhold. 3.Allowthetracetostabilize.Usethemarker-deltafunctiontodeterminetheseparationbetweenthepeaksof theadjacentchannels.ThelimitisspecifiedinoneofthesubparagraphsofthisSectionSubmitthisplot. 9.3DEVIATIONFROMSTANDARD Nodeviation. ProjectNo.:ZKT-2212139278E Page 55 of 71 9.4TestResult ModulationTestChannelSeparation(MHz)Limit(MHz)Result GFSKLow 0.849 0.842PASS GFSKMiddle 0.984 0.853PASS GFSKHigh 0.999 0.844PASS π/4-DQPSKLow 0.9930.832 PASS π/4-DQPSKMiddle 0.9990.827 PASS π/4-DQPSKHigh 1.1640.851 PASS 8-DPSKLow 0.9990.831 PASS 8-DPSKMiddle 1.1580.828 PASS 8-DPSKHigh 1.0000.859 PASS Testplots GFSKLowChannel ProjectNo.:ZKT-2212139278E Page 56 of 71 GFSKMiddleChannel GFSKHighChannel ProjectNo.:ZKT-2212139278E Page 57 of 71 π/4-DQPSKLowChannel π/4-DQPSKMiddleChannel ProjectNo.:ZKT-2212139278E Page 58 of 71 π/4-DQPSKHighChannel 8-DPSKLowChannel ProjectNo.:ZKT-2212139278E Page 59 of 71 8-DPSKMiddleChannel 8-DPSKHighChannel ProjectNo.:ZKT-2212139278E Page 60 of 71 10.NUMBEROFHOPPINGFREQUENCY TestRequirement:FCCPart15CSection15.247(a)(1)(iii) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=100kHz,VBW=300kHz,Frequencyrange=2400MHz-2483.5MHz, Detector=Peak Limit: 15channels 10.1TestSetup 10.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setthespectrumanalyzer:RBW=100kHz.VBW=300kHz.Sweep=auto;DetectorFunction=Peak. Trace=Maxhold. 3.Allowthetracetostabilize.Itmayprovenecessarytobreakthespanuptosections.inordertoclearly showallofthehoppingfrequencies.ThelimitisspecifiedinoneofthesubparagraphsofthisSection. 4.Setthespectrumanalyzer:StartFrequency=2.4GHz,StopFrequency=2.4835GHz.Sweep=auto; 10.3DEVIATIONFROMSTANDARD Nodeviation. ProjectNo.:ZKT-2212139278E Page 61 of 71 10.4TestResult TestPlots: 79Channelsintotal GFSK ProjectNo.:ZKT-2212139278E Page 62 of 71 π/4-DQPSK 8-DPSK ProjectNo.:ZKT-2212139278E Page 63 of 71 11.DWELLTIME TestRequirement:FCCPart15CSection15.247(a)(1)(iii) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=1MHz,VBW=3MHz,Span=0Hz,Detector=Peak Limit: 0.4Second 11.1TestSetup 11.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setspectrumanalyzerspan=0Hz; 3.SetRBW=1MHzandVBW=3MHz.Sweep=asnecessarytocapturetheentiredwelltimeperhopping channel.SettheEUTforDH5,DH3andDH1packettransmitting. 4.Usethemarker-deltafunctiontodeterminethedwelltime.Ifthisvaluevarieswithdifferentmodesof operation(e.g..datarate.modulationformat.etc.).repeatthistestforeachvariation.Thelimitisspecifiedin oneofthesubparagraphsofthisSection.Submitthisplot(s). 11.3…

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EUTTESTPHOTO