2AZEQ-B193LWireless Earphone

NOTHINGTECHNOLOGYLIMITED FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:30June2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2AZEQ-B193L [NOTHINGTECHNOLOGYLIMITED](“theapplicant”)certifiesthattheequipmentforwhichauthorization issoughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. [NOTHINGTECHNOLOGYLIMITED](“theapplicant”)certifiesthattheequipmentforwhichauthorization issoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(or anyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, JathanLiu NOTHINGTECHNOLOGYLIMITED FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:30June2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2AZEQ-B193L [NOTHINGTECHNOLOGYLIMITED](“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, JathanLiu

RF_160,Issue04 (NothingTechnologyLimited) DeclarationofAuthorization We Nameofmanufacturer:NothingTechnologyLimited Address:BedfordHouse,21AJohnStreet,LondonWC1N2BFUnitedKingdom City:London Country:UnitedKingdom Declarethat: NameRepresentative ofagent: Wuxuewen AgentCompanyname: ShenzhenBalunTechnologyCo.,Ltd. Address: BlockB,1stFL,BaishaScienceandTechnologyPark,ShaheXiRoad, NanshanDistrict City: Shenzhen,Guangdong Country: China isauthorizedtoapplyforCertificationofthefollowingproduct(s): Productdescription: WirelessEarphone Typedesignation(s): B193 Trademark: CMFbyNothing onourbehalf. Date: 2026/6/26 City: London Name: JathanLiu Title: CertificationManager Signature:

Date:8July2026 NothingTechnologyLimited To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheNothingTechnologyLimitedtheundersigned,herebyauthorizesMr.WuXuewenfrom ShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheNothingTechnologyLimited solelyinmattersrelatingtotheapplicationforanFCCequipmentauthorizationforFCCID: 2AZEQ-B193LincludingthesigningofdocumentsinconnectionwiththisApplication.Necessary actscarriedoutbyShenzhenBALUNTechnologyCo.,Ltd.inconnectionwiththeApplication shallhavethesameeffectasactsoftheNothingTechnologyLimited TheNothingTechnologyLimitedalsoherebycertifythatnopartytothisapplicationissubject toadenialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.Section862. YoursSincerely, JathanLiu

Date:26June2026 NothingTechnologyLimited To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:NothingTechnologyLimited FCCID:2AZEQ-B193L FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.NothingTechnologyLimitedrequeststhatthefollowingdocuments regardingthissubmissionforFCCID:2AZEQ-B193Lbekeptconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Tune-upTune-up.PDF Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosExternalphotos.pdf Testsetupphotostestphoto.pdf InternalphotosInternalphotos.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichNothingTechnologyLimitedconsiderstobe confidentialproprietary,acustomdesignand,otherwise,notreleasabletothe generalpublic.Sincethisdesignisabasisformwhichfuturetechnological productswillevolve,NothingTechnologyLimitedconsidersthisinformationwould beofbenefittoitscompetitors,andthatthedisclosureoftheinformationinthese documentswouldgivecompetitorsanunfairadvantageinthemarket. YoursSincerely, JathanLiu

Nothing Technology Limited LabelPlacementDeclaration Print Name:Jathan Liu To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia,MID 21046 For the following product Model Name：B193 FCC ID:2AZEQ-B193L The FCC ID will not affix on the earbuds,but described in the product user manual and the product package due to below reasons. The earbud is too small to put the ID label on it. Sincerely

Report No.: Ti-EE26020251-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 34 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Nothing Technology Limited Address: Bedford House, 21A John Street, London WC1N 2BF UnitedKingdom Equipment Type: Wireless Earphone Model Name: B193 Brand Name: CMF by Nothing FCC ID: 2AZEQ-B193L Test Standard: FCC 47 CFR Part 2.1093 (refer to section 3.1) Maximum SAR: Head (1 g@0mm): 0.86 W/kg Sample Arrival Date: Feb. 27, 2026 Test Date: Mar. 04, 2026 - Aug. 17, 2026 Date of Issue: Sep. 04, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Liu Haibo Checked by: Xu Rui Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-EE26020251-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 34 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Rev. 01 May 26, 2026 Initial Issue Rev. 02 Aug. 19, 2026 1. Updated the documents in Chapter 8 and Annex B, D and F. 2. Updated Test Date. 3. Updated chapters 9, 12, ANNEX A and ANNEX B. Rev. 03 Rev. 04 Aug. 27, 2026 Sep. 04, 2026 Added Max SAR of DTS in section 3.3 and ANNEX C. Updated test equipment list in section 12. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 1.3 Test Environment Condition .......................................................................................... 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Ancillary Equipment ...................................................................................................... 5 2.5 Technical Information ................................................................................................... 6 2.6 Antenna Location .......................................................................................................... 7 3 SUMMARY OF TEST RESULT ................................................................................................. 8 3.1 Test Standards ............................................................................................................. 8 3.2 Device Category and SAR Limit ................................................................................... 9 3.3 Test Result Summary ................................................................................................. 10 3.4 Test Uncertainty ......................................................................................................... 11 4 MEASUREMENT SYSTEM ..................................................................................................... 12 4.1 Specific Absorption Rate (SAR) Definition .................................................................. 12 4.2 DASY SAR System .................................................................................................... 13 5 SYSTEM VERIFICATION ........................................................................................................ 20 Report No.: Ti-EE26020251-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 34 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 5.1 Purpose of System Check .......................................................................................... 20 5.2 System Check Setup .................................................................................................. 20 6 TEST POSITION CONFIGURATIONS .................................................................................... 21 7 MEASUREMENT PROCEDURE ............................................................................................. 22 7.1 Measurement Process Diagram ................................................................................. 22 7.2 SAR Scan General Requirement ................................................................................ 23 7.3 Measurement Procedure ............................................................................................ 24 7.4 Area & Zoom Scan Procedure .................................................................................... 24 8 CONDUCTED RF OUPUT POWER ........................................................................................ 25 9 TEST RESULT ........................................................................................................................ 26 9.1 Bluetooth .................................................................................................................... 26 10 SAR Measurement Variability .................................................................................................. 27 11 SIMULTANEOUS TRANSMISSION ...............…

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Report No.: Ti-EE26020251-AC-1 1 / 54 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7664) Report No.: Ti-EE26020251-AC-1 2 / 54 Report No.: Ti-EE26020251-AC-1 3 / 54 Report No.: Ti-EE26020251-AC-1 4 / 54 Report No.: Ti-EE26020251-AC-1 5 / 54 Report No.: Ti-EE26020251-AC-1 6 / 54 Report No.: Ti-EE26020251-AC-1 7 / 54 Report No.: Ti-EE26020251-AC-1 8 / 54 Report No.: Ti-EE26020251-AC-1 9 / 54 Report No.: Ti-EE26020251-AC-1 10 / 54 Report No.: Ti-EE26020251-AC-1 11 / 54 Report No.: Ti-EE26020251-AC-1 12 / 54 Report No.: Ti-EE26020251-AC-1 13 / 54 Report No.: Ti-EE26020251-AC-1 14 / 54 Report No.: Ti-EE26020251-AC-1 15 / 54 Report No.: Ti-EE26020251-AC-1 16 / 54 Report No.: Ti-EE26020251-AC-1 17 / 54 Report No.: Ti-EE26020251-AC-1 18 / 54 Report No.: Ti-EE26020251-AC-1 19 / 54 Report No.: Ti-EE26020251-AC-1 20 / 54 Report No.: Ti-EE26020251-AC-1 21 / 54 Report No.: Ti-EE26020251-AC-1 22 / 54 Report No.: Ti-EE26020251-AC-1 23 / 54 F.2 E-Field Probe (EX3DV4 - SN: 7510) Report No.: Ti-EE26020251-AC-1 24 / 54 Report No.: Ti-EE26020251-AC-1 25 / 54 Report No.: Ti-EE26020251-AC-1 26 / 54 Report No.: Ti-EE26020251-AC-1 27 / 54 Report No.: Ti-EE26020251-AC-1 28 / 54 Report No.: Ti-EE26020251-AC-1 29 / 54 Report No.: Ti-EE26020251-AC-1 30 / 54 Report No.: Ti-EE26020251-AC-1 31 / 54 Report No.: Ti-EE26020251-AC-1 32 / 54 Report No.: Ti-EE26020251-AC-1 33 / 54 Report No.: Ti-EE26020251-AC-1 34 / 54 Report No.: Ti-EE26020251-AC-1 35 / 54

Report No.: Ti-EE26020251-AC-1 36 / 54 Report No.: Ti-EE26020251-AC-1 37 / 54 Report No.: Ti-EE26020251-AC-1 38 / 54 Report No.: Ti-EE26020251-AC-1 39 / 54 Report No.: Ti-EE26020251-AC-1 40 / 54 Report No.: Ti-EE26020251-AC-1 41 / 54 Report No.: Ti-EE26020251-AC-1 42 / 54 Report No.: Ti-EE26020251-AC-1 43 / 54 Report No.: Ti-EE26020251-AC-1 44 / 54 Report No.: Ti-EE26020251-AC-1 45 / 54 F.3 Data Acquisition Electronics (DAE4 - SN:1711) Report No.: Ti-EE26020251-AC-1 46 / 54 Report No.: Ti-EE26020251-AC-1 47 / 54 Report No.: Ti-EE26020251-AC-1 48 / 54 F.4 2450 MHz Dipole Report No.: Ti-EE26020251-AC-1 49 / 54 Report No.: Ti-EE26020251-AC-1 50 / 54 Report No.: Ti-EE26020251-AC-1 51 / 54 Report No.: Ti-EE26020251-AC-1 52 / 54 Report No.: Ti-EE26020251-AC-1 53 / 54 Report No.: Ti-EE26020251-AC-1 54 / 54 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2025.05.06 2024.05.07 / Return Loss(dB) -27.271 -27.884 -2.20% Impedance 51.780 Ω + 5.716 jΩ 51.604 Ω + 3.776 jΩ 1.941Ω (Imaginary part) Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2026.05.06 2025.05.06 / Return Loss(dB) -24.133 -27.271 -11.51% Impedance 51.716 Ω + 5.464 jΩ 51.780 Ω + 5.716 jΩ -0.252Ω (Imaginary part) --END OF REPORT--

Ti-EE26020251-AP-1 8 CONDUCTED RF OUPUT POWER 8.1 Bluetooth 8.1.1 Bluetooth Output Power 8.1.2 Bluetooth Duty Cycle 1/4 Ti-EE26020251-AP-1 8.1Bluetooth 8.1.1Bluetooth Output Power Bluetooth Test ModeModulation Channel number Frequency( MHz) AV power (dBm) Tune up (dBm)) SAR Test BT DH5 0240210.96 12.50 Yes 39244110.83 12.50 Yes 78248010.97 12.50 Yes 2DH5 024024.33 6.00 No 3924414.37 6.00 No 7824804.69 6.00 No 3DH5 024024.38 6.00 No 3924414.34 6.00 No 7824804.50 6.00 No BLE1M 024024.45 6.00 No 1924404.54 6.00 No 3924804.69 6.00 No BLE2M 124044.35 6.00 Yes 1924404.47 6.00 Yes 3824784.72 6.00 Yes 2/4 Ti-EE26020251-AP-1 8.1.2Bluetooth Duty Cycle The Bluetooth DH5 duty cycle is 77.21% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. Duty Cycle 3/4 Ti-EE26020251-AP-1 8.1.2Bluetooth Duty Cycle The Bluetooth BLE2M duty cycle is 30.87% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. Duty Cycle 4/4

Ti-EE26020251-ASC-1 1 / 2 System Check: Head 2450MHz Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversio n Factor TSL Conductiv ity [S/m] TSL Permittivit y Ambient Temperat ure [°C] Liquid Temperat ure [°C] Flat, HSL Validati on band CW, 0-- 2450.0, 2450 7.80 1.83 38.2 22.3 21.6 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2090 HBBL-600-10000 2026-03-04 EX3DV4 - SN7664, 2025-06-30 DAE4 Sn1711, 2025-11-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 80.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid Yes Yes Grading Ratio 1.5 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2026-03-04 2026-03-04 psSAR1g [W/kg] 5.32 5.43 psSAR10g [W/kg] 2.44 2.51 Power Drift [dB] 0.08 0.06 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 79.5 Dist 3dB Peak [mm] 9.4 Ti-EE26020251-ASC-1 2 / 2 System Check: Head 2450MHz Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversio n Factor TSL Conductiv ity [S/m] TSL Permittivit y Ambient Temperat ure [°C] Liquid Temperat ure [°C] Flat, HSL Validati on band CW, 0-- 2450.0, 2450 7.71 1.83 39.0 22.3 21.7 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2090 HBBL-600-10000 2026-08-17 EX3DV4 - SN7510, 2025-11-11 DAE4 Sn1711, 2025-11-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 80.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid Yes Yes Grading Ratio 1.5 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2026-08-17 2026-08-17 psSAR1g [W/kg] 5.42 5.33 psSAR10g [W/kg] 2.49 2.53 Power Drift [dB] 0.09 0.03 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 70.4 Dist 3dB Peak [mm] 9.8 --BLANK BELOW--

Ti-EE26020251-ATD-1 1/2 Meas.1BodyPlanewithBackSide0mmon0ChannelinBluetoothmode ExposureConditions Phanto m Section, TSL Position ,Test Distanc e[mm] Ban d Group, UID Frequenc y[MHz], Channel Number Conversio nFactor TSL Conductivit y[S/m] TSL Permittivit y Ambient Temperatur e [°C] Liquid Temperatur e [°C] Flat, HSL BACK, 0.00 ISM 2.4 GHz Band Bluetooth, 10032-CA A 2402.0, 0 7.801.7540.322.321.6 HardwareSetup PhantomTSL,MeasuredDateProbe,CalibrationDateDAE,CalibrationDate Twin-SAMV8.0(30deg probetilt)-2090 HBBL-600-100002026-03-04EX3DV4-SN7664,2025-06-30DAE4Sn1711,2025-11-11 ScanSetup AreaScanZoomScan GridExtents [mm] 96.0x96.030.0x30.0x30.0 GridSteps[mm]12.0x12.05.0x5.0x5.0 SensorSurface [mm] 3.01.4 GradedGridYesYes GradingRatio1.51.5 MAIAN/AN/A Surface Detection VMS+6pVMS+6p ScanMethodMeasuredMeasured MeasurementResults AreaScanZoomScan Date2026-03-042026-03-04 psSAR1g[W/kg]0.3770.464 psSAR10g [W/kg] 0.1380.118 PowerDrift[dB]0.010.02 PowerScalingDisabledDisabled ScalingFactor [dB] TSLCorrectionNocorrectionNocorrection M2/M1[%]40.6 Dist3dBPeak [mm] 5.6 Ti-EE26020251-ATD-1 2/2 Meas.2BodyPlanewithBackSide0mmon38ChannelinBluetoothmode ExposureConditions Phanto m Section, TSL Position ,Test Distanc e[mm] Ban d Group, UID Frequenc y[MHz], Channel Number Conversio nFactor TSL Conductivit y[S/m] TSL Permittivit y Ambient Temperatur e [°C] Liquid Temperatur e [°C] Flat, HSL BACK, 0.00 ISM 2.4 GHz Band Bluetooth, 10670-AA A 2478.0, 38 7.711.8438.422.321.7 HardwareSetup PhantomTSL,MeasuredDateProbe,CalibrationDateDAE,CalibrationDate Twin-SAMV8.0(30deg probetilt)-2090 HBBL-600-100002026-08-17EX3DV4-SN7510,2025-11-11DAE4Sn1711,2025-11-11 ScanSetup AreaScanZoomScan GridExtents [mm] 72.0x96.030.0x30.0x30.0 GridSteps[mm]12.0x12.05.0x5.0x5.0 SensorSurface [mm] 3.01.4 GradedGridYesYes GradingRatio1.51.5 MAIAN/AN/A Surface Detection VMS+6pVMS+6p ScanMethodMeasuredMeasured MeasurementResults AreaScanZoomScan Date2026-08-172026-08-17 psSAR1g[W/kg]0.0600.058 psSAR10g [W/kg] 0.0230.019 PowerDrift[dB]-0.120.05 PowerScalingDisabledDisabled ScalingFactor [dB] TSLCorrectionNocorrectionNocorrection M2/M1[%]40.9 Dist3dBPeak [mm] 6.7 --BLANKBELOW--

· QR/RD-P01-06B SPECIFICATION 联创25231 Lchse25231LeftearBluetoothAntenna ProductSpecification 客户 connection 联创 Lchse 频段 frequencyrange 2400~2500MHz 项目名称 entryname 25231 版本 edition L2.0 物料编号 MaterialNo 12-5231X-155 颜色 Color 黑色 Black 客户料号 CustomerItem Number RF设计 RFDesign 胡鹏 Peng.Hu 结构设计 StructuralDesign 周锐斌 RuiBin.Zhou 品质经理 QualityManager 李崇瑞 ChongRui.Li 技术总监 TechnicalDirector 张磊 Lei.Zhang 日期 Date 2026-02-03 客户确认： Customerconfirmation: 装配是否符合贵司要求：□OK□NG Whethertheassemblymeetsyourcompany'srequirements：□OK□NG ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page2 V1.0 创建 found 2026-02-03 ConfidentialInformation Indexes ProjectDescription........................................................................................................................4 BTantenna.....................................................................................................................................4 1specifications.......................................................................................................................................4 1.1Electricalspecificationsandstandards........................................................................5 1.1.1Electricalperformanceindex.....................................................................................5 1.2Structuralspecificationsandstandards.......................................................................5 1.2.1Antennacomposition...........................................................................................................5 2、TheEquipmentofActiveTest...............................................................................................6 3、Test.....................................................................................................................................................7 3.1(VSWR)Testofstandingwave(VSWR)...........................................................................7 3.1.1Testconnection...................................................................................................................7 3.2TRPTISTestingofefficiency,power(TRP),sensitivity(TIS)......................7 3.2.1Testsite............................................................................................................................7 3.2.2TestedInstruments........................................................................................................7 3.2.3testdata.............................................................................................................................7-8 4VSWRParameterdiagram............................................................................................................8 5、Passivefieldpatterndiagram...................................................................................................9 6、OTAOTApatterndiagram..............................................................................................................10 7、conclusion....................................................................................................................................10 scheduledrawing...............................................................................................................................11 .Packagingdiagra................................................................................................................................12 www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page3 ConfidentialInformation ProjectDescription CustomerName 联创 Lchse Typeofcomplete machine 蓝牙天线 Bluetoothantenna Antennaband 2400~2500MHz Antennaform PIFA天线 PIFAantenna Antennapolarity 线性极化 Linearpolarization Hardwareversion 主板：左耳 Motherboard:leftear Antennamanufacturer 深圳市大显科技有限公司 Shenzhendaxiantechnologyco.,ltd Testinglaboratory SATIMO微波实验室 SATIMOmicrowavelaboratory BTAntennaassembly 1specifications 本报告主要提供25231项目天线的各项电气和结构性能参数的测试状况。下图为大显设 计的天线图片。 Thisreportmainlyprovidesthetestingstatusofvariouselectricalandstructuralperformance parametersoftheantennaforthe25231project.Thefollowingimageshowsanantennawith alargedisplaydesign. antennaappearingdiagram www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page4 ConfidentialInformation 1.1Electricalspecificationsandstandards 1.1.1Electricalperformanceindex 天线工作频段在 2400~2500MHz 下表是大显设计和量产天线的电性能的指标 . Theoperatingfrequencybandoftheantennaisbetween2400and2500MHz.Thefollowingtable showstheelectricalperformanceindicatorsoflargedisplaydesignandmassproductionantennas. FrequencyRangeFrequency(MHz)VSWR BT 2400~2500≤2 2Structuralspecificationsandstandards 1.2.1Antennacomposition 天线主要是由FPC组成。 TheantennaismainlycomposedofFPCsponge. www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page5 ConfidentialInformation 2、测试设备TheEquipmentofActiveTest Satimo3DChamber4×4×4(m) CMW500E5071C Networkanalyzer-R&SZVL 2 Figure2 www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywith…

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Report No.: Ti-EE26020251-602 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Nothing Technology Limited Address: Bedford House, 21A John Street, London WC1N 2BF UnitedKingdom Equipment Type: Wireless Earphone Model Name: B193 Brand Name: CMF by Nothing FCC ID: 2AZEQ-B193L Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Feb. 26, 2026 Test Date: Mar. 02, 2026 - Apr. 23, 2026 Date of Issue: Aug. 17, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Li Renyu Checked by: Li Ganming Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-EE26020251-602 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Rev. 01 May 26, 2026 Initial Issue Rev. 02 Aug. 17, 2026 Updated the documents in Annex B, C and D; Added the Duty Cycle data and test plots for Chapter A.1. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULTS ............................................................................................... 8 3.1 Test Standards ............................................................................................................. 8 3.2 Test Verdict .................................................................................................................. 8 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 9 4.1 Test Environments ........................................................................................................ 9 4.2 Test Equipment List ...................................................................................................... 9 4.3 Test Software List ......................................................................................................... 9 4.4 Measurement Uncertainty ........................................................................................... 10 4.5 Description of Test Setup ........................................................................................... 10 4.6 Measurement Results Explanation Example ............................................................... 13 5 TEST ITEMS ........................................................................................................................... 14 5.1 Antenna Requirements ............................................................................................... 14 5.2 Output Power ............................................................................................................. 15 5.3 Occupied Bandwidth ................................................................................................... 17 5.4 Conducted Spurious Emission .................................................................................... 18 Report No.: Ti-EE26020251-602 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 5.5 Band Edge (Authorized-band band-edge) ................................................................... 20 5.6 Conducted Emission ......................…

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