2BRE52025TRTK3USB DAC EARPHONE AMPLIFIER

TK3 DACs:Dual9039Q2M Decodingsupportedbitrate:44.1k,48k,88.2k,96k,176.4k,192k,384k,768kupto32bit, DSD64/128/256/DSD512 QualcommQCCBluetoothchipsetformatsupport:LDAC,SBC,AAC,aptX,aptX-Adaptive,aptX-LL,aptX-HD, aptX-Adaptive,LHDC Input:USB/Bluetooth/Coaxialspdif Supporteddevices:Android/iphone/ipad/Windowscomputer(Win10andabovedriver-free)/MACcomputer(driver-free) Frequencyresponserange:10Hz-50kHz THDNDistortion:≈0.0008%(1khzAweighted) Signal-to-noiseratio:-120DB Dual9039q2mmaximumdynamicrange:130dB MaximumOutputPower:1200mw(LR)(32Ω) 9039Q2MDNRdynamicrange:130db Volume:ADCanalogtodigitalvolume,thewholesectionwillnotbebiased Maximumoutputlevel:10V Headphoneimpedancesupport:6-600Ω Batterylife:about8hours Batterycapacity:5000mAhsupportspowerdisplay,supportschargingseparationandchargingwhilecharging Chargingsupport:18wUSB(chargingsupportsbypasscharging,supportscharginganduse) Size:6.5*11*2cm Weight:approx.220g Warranty:Oneyear(paidrepairafteroneyear), FunctionIntroduction:SupportLDAC,SBC,AAC,aptX,aptX-Adaptive,aptX-LL,aptX-HD,aptX-Adaptive,LHDCand otherhigh-definitionBluetoothaudioprotocols,with3.5,4.4headphoneoutputinterfaces,whichcanbecompatible withallkindsofheadphones. ADCvolumecontrol:Theknobisanalog-to-CNCtoaccuratelyadjustthevolumeadjustment,effectivelyadaptingto varioushighandlowimpedanceandsensitivityheadphones,effectivelyavoidingproblemssuchasbias DedicatedLow-FrequencyGainCircuit:TheBASSswitchsupportslow-frequencygain(BYPASSmeansoff),which canbeturnedontoincreasethelowfrequencyaccordingtopersonalpreference DACdecodingadoptsthelatestSABREtechnologyoftheUnitedStatesESS,high-performancedecodingchipdual 9039q2m,themaximumdynamicrangecanreach130dB, Earampoutput:ImportedTexasInstrumentsdualOPA2211precisionamplifiedhigh-specificationopampsbring powerfulsoundqualitythatsurpassesthesamelevel. TPA6120A2thepowerfulthrustbroughtbytheHIFIaudioamplificationchipwhilethenoisefloorisinaudible. TheearamplifiersupportsUSBconnectiontocomputerandsomemobilephonesforplayback ThephonecanbeconnectedusingUSBOTGcable(Appleadapterincluded) FCCSTATEMENT1.ThisdevicecomplieswithPart15oftheFCCRules.Operationissubje cttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,a nd(2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation.2.Changesormodificationsnotexpresslyapprovedbythepar tyresponsibleforcompliancecouldvoidtheuser'sauthoritytooperatetheequipment. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB digitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtopr ovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thi sequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnotinstalled andusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocom munications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticu larinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevision reception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserise ncouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures: Reorientorrelocatethereceivingantenna.Increasetheseparationbetweentheequipment andreceiver.Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected.Consultthedealeroranexperiencedradio/TVtechnician forhelp.RFwarningstatement:ThedevicehasbeenevaluatedtomeetgeneralRFexpo surerequirement.Thedevicecanbeusedinportableexposureconditionwithoutrestrictio n. WhenthisdeviceplaysaudiothroughtheUSB-Cportofthemobilephone,ifthedevice'searphone,Bassswitch andvolumeknobencounterstaticelectricity,itmaycausetheaudioplaybacksoftwareonthemobilephone topause.Atthistime,simplyclickingtheplaybuttononthemobilephone'splaybacksoftwarecanrestore theplayback.Thisisaveryrare occurrence.

ShenzhenLingyinTechnologyCo.,Ltd. ReferenceNo.2025UD0075 1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:TTSMARKETINC. FRN:0036806057 ContactName:MaverickLim Address:1178BroadwaySte324,NewYork,NY10001,USA TelephoneNo:001-(646)305-2908 Email:[email protected] Applicant: Companyname:ShenzhenLingyinTechnologyCo.,Ltd. FRN:0037359478 Granteecode:2BRE5 FCCID:2BRE52025TRTK3 ContactName:BaironSun Address:Room801,BlockA,Building11,Buildings11&12,QinchengdaParadise, Lingzhiyuan,Bao'an,Shenzhen,China TelephoneNo:+8618607917994 FaxNo:N/A Email:[email protected] [ShenzhenLingyinTechnologyCo.,Ltd.]certifiesthat,asofthedateofthis filingoftheapplicationwiththeTCB,[TTSMARKETINC.]isourdesignatedUS agentforserviceofprocessfortheabovereferencedFCCID.[Shenzhen LingyinTechnologyCo.,Ltd.]acceptstomaintainanagentfornolessthanone yearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanycommissionrelatedproceedinginvolvingequipment.[TTS MARKETINC.]accepts,asofthedateofthefilingoftheapplication,the obligationofthedesignatedUSagentforserviceofprocessfortheabove referenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2025/08/29 Applicant’sName:BaironSun USAgent’sName:MaverickLim Title:EngineerTitle:Manager Signature:Signature

External Photos M/N: TK3 External Photos M/N: TK3 External Photos M/N: TK3 External Photos M/N: TK3 External Photos M/N: TK3

Internal Photos M/N: TK3 Internal Photos M/N: TK3 Internal Photos M/N: TK3 Bluetooth Antenna Internal Photos M/N: TK3

Page 1 of 3 Report No. ESTE-R2508153 FCC RF EXPOSURE REPORT Shenzhen Lingyin Technology Co.,Ltd. USB DAC EARPHONE AMPLIFIER Model Number: TK3 FCC ID: 2BRE52025TRTK3 Applicant: Shenzhen Lingyin Technology Co., Ltd. Address: Room 801, Block A, Building 11, Buildings 11&12, Qinchengda Paradise, Lingzhiyuan, Bao'an, Shenzhen, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2508153 Date of Test: Aug. 01, 2025~ Aug. 27, 2025 Date of Report: Aug. 29, 2025 Page 2 of 3 Report No. ESTE-R2508153 1. Applicable Standards FCC Part 2(Section 2.1093) FCC KDB 447498 D04 Interim General RF Exposure Guidance v01 2. Exposure Evaluation of Portable or Mobile Devices Human exposure to RF emissions from portable devices (47 CFR §2.1093), as defined by the FCC, must be evaluated with respect to the FCC-adopted limits for SAR. Evaluation of mobile devices, as defined by the FCC, may also be performed with respect to SAR limits, but in such cases it is usually simpler and more cost-effective to evaluate compliance with respect to field strength or power density limits. For certain devices that are designed to be used in both mobile and portable configurations similar to those described in 47 CFR §2.1091(d)(4), such as certain desktop phones and wireless modem modules, compliance for mobile configurations is also satisfied when the same device is evaluated for SAR compliance in portable configurations. The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 300 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. Page 3 of 3 Report No. ESTE-R2508153 3. Evaluation Results Mode CH Peak output Power (dBm) Antenna Gain (dBi) effective radiated power (dBm) Target power (dBm) Max. Target power (mW) SAR Test Exemption Limit (mW) GFSK 2402 -0.95 0.5 -2.6 0±1 1.259 2.72 2441 -1.03 0.5 -2.68 -1±1 1.000 2.72 2480 -1.2 0.5 -2.85 -1±1 1.000 2.72 π/4-DQPSK 2402 -0.21 0.5 -1.86 0±1 1.259 2.72 2441 -0.24 0.5 -1.89 0±1 1.259 2.72 2480 -0.44 0.5 -2.09 0±1 1.259 2.72 8-DPSK 2402 0.4 0.5 -1.25 0±1 1.259 2.72 2441 0.25 0.5 -1.4 0±1 1.259 2.72 2480 0.14 0.5 -1.51 0±1 1.259 2.72 BLE 1M 2402 -1.66 0.5 -3.31 -1±1 1.000 2.72 2440 -2.08 0.5 -3.73 -2±1 0.794 2.72 2480 -2.51 0.5 -4.16 -2±1 0.794 2.72 BLE 2M 2402 -1.42 0.5 -3.07 -1±1 1.000 2.72 2440 -1.87 0.5 -3.52 -1±1 1.000 2.72 2480 -2.2 0.5 -3.85 -2±1 0.794 2.72 Note: 1. Limited=3060*(0.5/20)^x, x=-log(60/(3060*√f)). 2. We choose f=2.48GHz (Highest frequency operate at bluetooth) to calculate MPE limit as higher frequency will have lower MPE limits. 3. SAR Test Exclusion Thresholds is 2.72mW for separation distance 5mm. Therefore, SAR test is not required. End of Test Report

Page 28 of 49 Report No. ESTE-R2508151 Appendix E: Number of hopping channels Test Result TestMode Antenna Frequency[MHz] Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 3DH5 Ant1 Hop 79 ≥15 PASS Page 29 of 49 Report No. ESTE-R2508151 Test Graphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS 3DH5-Ant1-Hop-PASS Page 30 of 49 Report No. ESTE-R2508151 Page 31 of 49 Report No. ESTE-R2508151 Appendix F: Band edge measurements Test Result TestMode Antenna ChName Frequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 -2.03 -48.2 ≤-22.03 PASS DH5 Ant1 High 2480 -2.42 -48.4 ≤-22.42 PASS DH5 Ant1 Low Hop_2402 0.12 -47.75 ≤-19.88 PASS DH5 Ant1 High Hop_2480 -0.29 -47.91 ≤-20.29 PASS 2DH5 Ant1 Low 2402 -5.11 -47.52 ≤-25.11 PASS 2DH5 Ant1 High 2480 -5.18 -48.27 ≤-25.18 PASS 2DH5 Ant1 Low Hop_2402 -4.41 -46.98 ≤-24.41 PASS 2DH5 Ant1 High Hop_2480 -3.82 -47.41 ≤-23.82 PASS 3DH5 Ant1 Low 2402 -5.16 -47.74 ≤-25.16 PASS 3DH5 Ant1 High 2480 -5.17 -48.45 ≤-25.17 PASS 3DH5 Ant1 Low Hop_2402 -3.42 -47.8 ≤-23.42 PASS 3DH5 Ant1 High Hop_2480 -2.66 -47.51 ≤-22.66 PASS Page 32 of 49 Report No. ESTE-R2508151 Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2480-PASS DH5-Ant1-Hop_2402-PASS Page 33 of 49 Report No. ESTE-R2508151 DH5-Ant1-Hop_2480-PASS 2DH5-Ant1-2402-PASS Page 34 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2480-PASS 2DH5-Ant1-Hop_2402-PASS Page 35 of 49 Report No. ESTE-R2508151 2DH5-Ant1-Hop_2480-PASS 3DH5-Ant1-2402-PASS Page 36 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2480-PASS 3DH5-Ant1-Hop_2402-PASS Page 37 of 49 Report No. ESTE-R2508151 3DH5-Ant1-Hop_2480-PASS Page 38 of 49 Report No. ESTE-R2508151 Appendix G: Conducted Spurious Emission Test Result TestMode Antenna Frequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 30~26500 -2.03 -40.72 ≤-22.03 PASS DH5 Ant1 2441 30~26500 -2.12 -40.07 ≤-22.12 PASS DH5 Ant1 2480 30~26500 -2.42 -39.86 ≤-22.42 PASS 2DH5 Ant1 2402 30~26500 -5.11 -40.38 ≤-25.11 PASS 2DH5 Ant1 2441 30~26500 -5.04 -40.41 ≤-25.04 PASS 2DH5 Ant1 2480 30~26500 -5.18 -39.71 ≤-25.18 PASS 3DH5 Ant1 2402 30~26500 -5.16 -40.04 ≤-25.16 PASS 3DH5 Ant1 2441 30~26500 -5.09 -40.23 ≤-25.09 PASS 3DH5 Ant1 2480 30~26500 -5.17 -40.06 ≤-25.17 PASS Page 39 of 49 Report No. ESTE-R2508151 Test Graphs DH5-Ant1-2402-30~26500-PASS DH5-Ant1-2441-30~26500-PASS DH5-Ant1-2480-30~26500-PASS Page 40 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2402-30~26500-PASS 2DH5-Ant1-2441-30~26500-PASS Page 41 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2480-30~26500-PASS 3DH5-Ant1-2402-30~26500-PASS Page 42 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2441-30~26500-PASS 3DH5-Ant1-2480-30~26500-PASS Page 43 of 49 Report No. ESTE-R2508151 Page 44 of 49 Report No. ESTE-R2508151 Appendix H: Reference level measurement Test Result TestMode Antenna Freq(MHz) Max.Point[MHz] Result[dBm] DH5 Ant1 2402 2402.04 -2.03 DH5 Ant1 2441 2441.04 -2.12 DH5 Ant1 2480 2480.05 -2.42 2DH5 Ant1 2402 2402.02 -5.11 2DH5 Ant1 2441 2441.02 -5.04 2DH5 Ant1 2480 2480.02 -5.18 3DH5 Ant1 2402 2401.94 -5.16 3DH5 Ant1 2441 2441.10 -5.09 3DH5 Ant1 2480 2480.09 -5.17 Page 45 of 49 Report No. ESTE-R2508151 Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS DH5-Ant1-2480-PASS Page 46 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2402-PASS 2DH5-Ant1-2441-PASS Page 47 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2480-PASS 3DH5-Ant1-2402-PASS Page 48 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2441-PASS 3DH5-Ant1-2480-PASS Page 49 of 49 Report No. ESTE-R2508151

Page 1 of 49 Report No. ESTE-R2508151 Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Frequency[MHz] 20db EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.957 2401.523 2402.480 --- --- DH5 Ant1 2441 0.957 2440.526 2441.483 --- --- DH5 Ant1 2480 0.960 2479.523 2480.483 --- --- 2DH5 Ant1 2402 1.365 2401.313 2402.678 --- --- 2DH5 Ant1 2441 1.365 2440.313 2441.678 --- --- 2DH5 Ant1 2480 1.368 2479.310 2480.678 --- --- 3DH5 Ant1 2402 1.347 2401.319 2402.666 --- --- 3DH5 Ant1 2441 1.350 2440.319 2441.669 --- --- 3DH5 Ant1 2480 1.350 2479.316 2480.666 --- --- Page 2 of 49 Report No. ESTE-R2508151 Test Graphs DH5-Ant1-2402 DH5-Ant1-2441 DH5-Ant1-2480 Page 3 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2402 2DH5-Ant1-2441 Page 4 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2480 3DH5-Ant1-2402 Page 5 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2441 3DH5-Ant1-2480 Page 6 of 49 Report No. ESTE-R2508151 Page 7 of 49 Report No. ESTE-R2508151 Appendix B: Maximum conducted output power Test Result Peak Test Mode Antenna Frequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 -0.95 ≤20.97 PASS DH5 Ant1 2441 -1.03 ≤20.97 PASS DH5 Ant1 2480 -1.20 ≤20.97 PASS 2DH5 Ant1 2402 -0.21 ≤20.97 PASS 2DH5 Ant1 2441 -0.24 ≤20.97 PASS 2DH5 Ant1 2480 -0.44 ≤20.97 PASS 3DH5 Ant1 2402 0.40 ≤20.97 PASS 3DH5 Ant1 2441 0.25 ≤20.97 PASS 3DH5 Ant1 2480 0.14 ≤20.97 PASS Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS Page 8 of 49 Report No. ESTE-R2508151 DH5-Ant1-2480-PASS 2DH5-Ant1-2402-PASS Page 9 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2441-PASS 2DH5-Ant1-2480-PASS Page 10 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2402-PASS 3DH5-Ant1-2441-PASS Page 11 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2480-PASS Page 12 of 49 Report No. ESTE-R2508151 Appendix C: Carrier frequency separation Test Result TestMode Antenna Frequency[MHz] Result[MHz] Limit[MHz] Verdict DH5 Ant1 2402 1.005 ≥0.960 PASS DH5 Ant1 2441 1.032 ≥0.960 PASS DH5 Ant1 2480 1.017 ≥0.960 PASS 2DH5 Ant1 2402 1.317 ≥0.912 PASS 2DH5 Ant1 2441 1.026 ≥0.912 PASS 2DH5 Ant1 2480 1.53 ≥1.368 PASS 3DH5 Ant1 2402 0.972 ≥0.900 PASS 3DH5 Ant1 2441 1.14 ≥0.900 PASS 3DH5 Ant1 2480 1.056 ≥0.900 PASS Page 13 of 49 Report No. ESTE-R2508151 Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS DH5-Ant1-2480-PASS Page 14 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2402-PASS 2DH5-Ant1-2441-PASS Page 15 of 49 Report No. ESTE-R2508151 2DH5-Ant1-2480-PASS 3DH5-Ant1-2402-PASS Page 16 of 49 Report No. ESTE-R2508151 3DH5-Ant1-2441-PASS 3DH5-Ant1-2480-PASS Page 17 of 49 Report No. ESTE-R2508151 Page 18 of 49 Report No. ESTE-R2508151 Appendix D: Time of occupancy Test Result TestMode Antenna Frequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH1 Ant1 Hop 0.383 319 0.122 ≤0.4 PASS DH3 Ant1 Hop 1.620 152 0.246 ≤0.4 PASS DH5 Ant1 Hop 2.870 100 0.287 ≤0.4 PASS 2DH1 Ant1 Hop 0.385 319 0.123 ≤0.4 PASS 2DH3 Ant1 Hop 1.620 154 0.249 ≤0.4 PASS 2DH5 Ant1 Hop 2.870 100 0.287 ≤0.4 PASS 3DH1 Ant1 Hop 0.385 319 0.123 ≤0.4 PASS 3DH3 Ant1 Hop 1.610 163 0.262 ≤0.4 PASS 3DH5 Ant1 Hop 2.870 102 0.293 ≤0.4 PASS Page 19 of 49 Report No. ESTE-R2508151 Test Graphs DH1-Ant1-Hop-PASS DH3-Ant1-Hop-PASS Page 20 of 49 Report No. ESTE-R2508151 DH5-Ant1-Hop-PASS Page 21 of 49 Report No. ESTE-R2508151 2DH1-Ant1-Hop-PASS Page 22 of 49 Report No. ESTE-R2508151 2DH3-Ant1-Hop-PASS Page 23 of 49 Report No. ESTE-R2508151 2DH5-Ant1-Hop-PASS Page 24 of 49 Report No. ESTE-R2508151 3DH1-Ant1-Hop-PASS Page 25 of 49 Report No. ESTE-R2508151 3DH3-Ant1-Hop-PASS Page 26 of 49 Report No. ESTE-R2508151 3DH5-Ant1-Hop-PASS Page 27 of 49 Report No. ESTE-R2508151

Page 1 of 50 Report No. ESTE-R2508151 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of Shenzhen Lingyin Technology Co.,Ltd. USB DAC EARPHONE AMPLIFIER Model Number: TK3 FCC ID: 2BRE52025TRTK3 Applicant: Shenzhen Lingyin Technology Co., Ltd. Address: Room 801, Block A, Building 11, Buildings 11&12, Qinchengda Paradise, Lingzhiyuan, Bao'an, Shenzhen, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2508151 Date of Test: Aug. 01, 2025~ Aug. 27, 2025 Date of Report: Aug. 29, 2025 Page 2 of 50 Report No. ESTE-R2508151 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION .......................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................... 5 1.1. Description of Device (EUT) ............................................................................................................ 5 1.2. Antenna Information ......................................................................................................................... 5 1.3. Information of RF Cable ................................................................................................................... 5 2. SUMMARY OF TEST ........................................................................................................................... 6 2.1. Summary of test result ..................................................................................................................... 6 2.2. Test Facilities ..................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................ 8 2.4. Assistant equipment used for test .................................................................................................. 8 2.5. Block Diagram ................................................................................................................................... 8 2.6. Test mode .......................................................................................................................................... 9 2.7. Channel List ..................................................................................................................................... 10 2.8. Power Setting of Test Software .................................................................................................... 10 2.9. Test Equipment ............................................................................................................................... 11 3. MAXIMUM PEAK OUTPUT POWER ................................................................................................... 13 3.1. Limit ................................................................................................................................................... 13 3.2. Test Setup ........................................................................................................................................ 13 3.3. Spectrum Analyzer Setting ............................................................................................................ 13 3.4. Test Procedure ................................................................................................................................ 13 3.5. Test Result ....................................................................................................................................... 13 4. 20 DB BANDWIDTH ......................................................................................................................... 14 4.1. Limit ................................................................................................................................................... 14 4.2. Test Setup ........................................................................................................................................ 14 4.3. Spectrum Analyzer Setting ............................................................................................................ 14 4.4. Test Procedure ................................................................................................................................ 14 4.5. Test Result ....................................................................................................................................... 14 5. CARRIER FREQUENCY SEPARATION .............................................................................................. 15 5.1. Limit ................................................................................................................................................... 15 5.2. Test Setup ........................................................................................................................................ 15 5.3. Spectrum Analyzer Setting ............................................................................................................ 15 5.4. Test Procedure ................................................................................................................................ 15 5.5. Test Result ....................................................................................................................................... 15 6. NUMBER OF HOPPING CHANNEL ................................................................................................... 16 6.1. Limit ................................................................................................................................................... 16 6.2. Test Setup .......................................................................................................…

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RainSun Corporation http://www.rainsun.com 1of 9 Jan, 2008 Ver.2.2 AN2051 Multilayer Chip Antenna for 2.4GHz Wireless Communication RainSun Corporation http://www.rainsun.com 2of 9 Jan, 2008 Ver.2.2 AN2051 Multilayer Chip Antenna ◆Features yLight weight and low profile 5.05mm(L)X2.0mm(W)X1.07mm(H) yOmni‐directional in azimuth yLead (Pb) Free ◆Applications y2.4GHz wireless communications y2.4GHz Modules yBluetooth System y802.11b/g Wireless LAN System Specifications 2.45GHz 0.5dBi ‐40 ~ +85 °C ‐40 ~ +85 °C 2.0 (max) 50 Ohm 2W (max) 110MHz Omni‐directional Linear Center frequency Peak gain Operation temperature Storage temperature VSWR Input Impedance Power handling Bandwidth Azimuth beamwidth Polarization RainSun Corporation http://www.rainsun.com 3of 9 Jan, 2008 Ver.2.2 Pin configuration 1.07 ±0.20H 0.50 ±0.05C 2.00 ±0.10B 5.05 ±0.10A Dimensions (mm)Symbol Dimensions Solder termination3 Feed point mark2 Feed termination1 Pin assignmentPin No 3 2 1 Top view RainSun Corporation http://www.rainsun.com 4of 9 Jan, 2008 Ver.2.2 Ground Plane Board thickness : 0.6mm Board material : FR4 Unit : mm 50 Ohm Transmission line SMA connector Top view Bottom view Recommended Test Board Pattern Testing Setup Measurement Testing Instrument: Anritsu 37369C VNA(Vector Network Analyzer) VNA calibrate with 1 path reflection only calibration sequence on test board feed point. The test board dimension and it’s layout is the same as Fig‐1. Fig-1 RainSun Corporation http://www.rainsun.com 5of 9 Jan, 2008 Ver.2.2 Return loss Typical Electrical Characteristics Smith Chart Marker data: 1 : f=2.389 GHz 2 : f=2.450 GHz 3 : f=2.504 GHz RainSun Corporation http://www.rainsun.com 6of 9 Jan, 2008 Ver.2.2 2.45 GHz H‐Plane 2.45 GHz E‐Plane Typical Radiation Patterns RainSun Corporation http://www.rainsun.com 7of 9 Jan, 2008 Ver.2.2 Typical Soldering Profile for Lead‐free Process Temperature ( °C ) Time (sec.) 340°C 300°C 150°C Peak temp 340°C Do not exceed 30 secs. 25 sec. 5 sec. Pre-heating Temperature ( °C ) Time (sec.) 260°C 230°C 180°C 10 sec, max Reflow Soldering 60 sec. 30 sec. Pre-heating RainSun Corporation http://www.rainsun.com 8of 9 Jan, 2008 Ver.2.2 Packing Blister Tape Specifications mm±0.101.40T4 mm±0.102.40T3 mm±0.050.30T2 mm±0.105.40T1 mm±0.101.50D mm±0.102.00P5 mm±0.104.00P4 mm±0.101.75P3 mm±0.105.50P2 mm±0.104.00P1 mm±0.3012.00W UnitToleranceDimensionSymbol RainSun Corporation http://www.rainsun.com 9of 9 Jan, 2008 Ver.2.2 Reel Specifications 12±0.5 W (mm) 16±0.22.2±0.562±0.513.0±0.2180±1123,000 W 1 (mm) E (mm) B (mm) C (mm) A (mm) Tape Width (mm) Quantity Per Reel

Radiated emission test: Below 1GHz Radiated emission test: Above 1GHz Conducted emission test: