2BN92-K62helmet headset

ShenzhenFengkuTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:ShenzhenFengkuTechnologyCo.,Ltd Address:4rdFloor,BuildingB,RunchangyuanIndustrialZone,BantianStreet, LonggangDistrict,Shenzhen,China FCCID:2BN92-K62 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[ShenzhenFengkuTechnologyCo.,Ltd]designate[LinkwldLLC] NOTE1 forthe purposeofacceptingserviceofprocessonbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgentApplicant Companyname:LinkwldLLCCompanyname:ShenzhenFengku TechnologyCo.,Ltd USAAddress:7595TechnologyWaySte 100,Denver,CO80237,US Address:4rdFloor,BuildingB, RunchangyuanIndustrialZone,Bantian Street,LonggangDistrict,Shenzhen,China FRNNumber:0033625682GranteeFRNNumber:0036804920 ContactName:TimothyZhuFCCGranteeCode:2BN92 TelephoneNo:(747)717-2691ContactName:FaweiGao Email:[email protected]:/ Email:[email protected] Signature: Title:Manager Signature: Title:generalmanager Date:2026-07-30Date:2026-07-30 ShenzhenFengkuTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.5 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

ShenzhenFengkuTechnologyCo.,Ltd CoveredEquipmentCertificationAttestationLetter 7/30/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2BN92-K62 ShenzhenFengkuTechnologyCo.,Ltd(“FaweiGao”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. ShenzhenFengkuTechnologyCo.,Ltd(“FaweiGao”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. ShenzhenFengkuTechnologyCo.,Ltd(“FaweiGao”)certifiesthattheequipmentfor whichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftware producedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees, includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:FaweiGao Title:generalmanager CompanyName:ShenzhenFengkuTechnologyCo.,Ltd Date:7/30/2026

ShenzhenFengkuTechnologyCo.,Ltd August4,2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY-FCC FCCID:2BN92-K62 PursuanttoSections0.457(d)and0.459oftheCommission’sRulesandFCCGuidancedocument 726920,weherebyrequestpermanentconfidentialtreatmentofexhibitsidentifiedassuchinthe tablebelowandrequesttheyarepermanentlywithheldfrompublicreviewbasedonthedocuments containingtradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic.The publicdisclosureofthisinformationmightbeharmfultotheapplicantandprovideunjustifiedbenefits toitscompetitors. Wealsorequestshort-termconfidentialityoncertainexhibitsuntiltheintendeddateofmarketingas outlinedbelow.Werequesttheexhibitsbewithheldfrompublicviewforaperiodof180days.We attestmarketingoftheproductwillonlycommenceaftertheperiodofshort-termconfidentiality expires,orifmarketingistocommencebeforetherequestednumberofdayslistedabove,the granteewillinformNemkotoreleasetheShort-TermConfidentialityinformationwithheldontheFCC equipmentauthorizationwebsite. ExhibitTypeofConfidentialityRequested BlockDiagrams☒Permanent ☐ShortTerm ExternalPhotos------------------☒ShortTerm InternalPhotos ☐ Permanent* ☒ShortTerm OperationDescription☒Permanent ☐ShortTerm PartsList&Placement/BOM ☐Permanent☐ShortTerm Tune-UpProcedure ☐Permanent☐ShortTerm SchematicDiagrams☒Permanent ☐ShortTerm TestSetupPhotos------------------☒ShortTerm User’sManual ☐Permanent* ☒ShortTerm Theasteriskeditems(*)requirefurtherinformationtobeprovidedinthisjustificationletterbeforepermanentconfidentiality willbeextendedtotheseexhibits.PleaserefertoFCCKDB726920D01foundat: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731andreviewsectionII,3)regarding specificinformationthatmustaccompanytheserequests. Note:anydocumentsheldundertheShort-Termconfidentialitywillautomaticallybecomepublic aftertherequestedtimeifanappropriateextensionrequesthasnotbeenreceived.Anyexhibits (i.e.,schematicdiagrams)thatmayhavealreadybeenrequestedtohave“Permanent” confidentialityasshownaboveneednotberepeatedunderShort-Termconfidentialityrequest. Sincerely, Signed: Printedname:FaweiGao Title:generalmanager CompanyName:ShenzhenFengkuTechnologyCo.,Ltd

LabelLocation Confirmtheuseofrealappearancephotosasreferences Labelsize: （ L:3cm*W:2cm ） ProductName:helmetheadset ModelNo.:K62 FCCID:2BN92-K62

RFEXPOSUREEVALUATION FCCID:2BN92-K62 AccordingtoKDB447498D01MobileandPortableDevicesRFExposureProcedures andEquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnotrequired, portabletransmitterswithoutputpowergreaterthantheapplicablelowthresholdrequire SARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 2402-5.34-5.34±1-4.34050.1143 GFSK2441-4.65-4.65 ±1 -3.65050.1353 2480-4.06-4.06±1-3.06050.1563 2402-4.62-4.62±1-3.62050.1353 π/4-DQPSK2441-3.94-3.94 ±1 -2.94050.1593 2480-3.33-3.33±1-2.33050.1843 2402-4.07-4.07±1-3.07050.1533 8DPSK2441-3.54-3.54 ±1 -2.54050.1743 2480-2.76-2.76±1-1.76050.2103 2402-0.58-0.58±10.42050.3413 GFSK2440-0.01-0.01 ±1 0.99050.3923 24800.490.49±11.49050.4443 2402-0.53-0.53±10.47050.3453 GFSK 24400.030.03 ±1 1.03050.3963 24800.580.58 ±1 1.58050.4533 Result:NoStandaloneSARtestisrequired.

Page 1 of 35 FCC Test Report Report No.:1812C60385712502 Applicant:Shenzhen Fengku Technology Co., Ltd Address: 4rd Floor, Building B, Runchangyuan Industrial Zone, Bantian Street, Longgang District Shenzhen China Product Name:helmet headset Report Date:2026-07-30 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# #报告二维码# Report No.:1812C60385712502Page 2 of 35 FCC ID: 2BN92-K62 Contents 1. General Information ...............................................................................................................................6 1.1. Client Information ........................................................................................................................6 1.2. Description of Device (EUT) ........................................................................................................6 1.3. Auxiliary Equipment Used During Test........................................................................................7 1.4. Operation channel list..................................................................................................................8 1.5. Description of Test Mode(s) ........................................................................................................8 1.6. Measurement Uncertainty ...........................................................................................................8 1.7. Additional Instructions .................................................................................................................9 1.8. Test Summary .............................................................................................................................9 1.9. Description of Test Facility ........................................................................................................10 1.10. Disclaimer................................................................................................................................10 1.11. Test Equipment List.................................................................................................................11 2. Antenna requirement ...........................................................................................................................14 2.1. Conclusion.................................................................................................................................14 3. Conducted Emission at AC power line ................................................................................................15 3.1. EUT Operation ..........................................................................................................................15 3.2. Test Setup .................................................................................................................................15 3.3. Test Data ...................................................................................................................................16 4. 6dB Bandwidth ....................................................................................................................................18 4.1. EUT Operation ..........................................................................................................................18 4.2. Test Setup .................................................................................................................................18 4.3. Test Data ...................................................................................................................................18 5. Maximum Conducted Output Power....................................................................................................20 5.1. EUT Operation ..........................................................................................................................20 5.2. Test Setup .................................................................................................................................20 5.3. Test Data ...................................................................................................................................20 6. Power Spectral Density .......................................................................................................................21 6.1. EUT Operation ..........................................................................................................................21 6.2. Test Setup .................................................................................................................................21 6.3. Test Data ...................................................................................................................................21 7. Emissions in non-restricted frequency bands ......................................................................................22 7.1. EUT Operation ..........................................................................................................................22 7.2. Test Setup .................................................................................................................................22 7.3. Test Data ...................................................................................................................................22 8. Band edge emissions (Radiated) ........................................................................................................23 8.1. EUT Operation ..........................................................................................................................23 8.2. Test Setup .................................................................................................................................24 8.3. Test Data ...................................................................................................................................25 9. Emissions in restricted frequency bands (below 1GHz) ..............................................…

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ReportNo.:1812C60385712502-01 Page 1 of 33 AppendixTestData ReportNo.:1812C60385712502-01TestSampleNo.:1-2-2 StartTestDate:2026-7-10FinishTestDate:2026-7-15 TestEngineer:Auditor: Temperature:23.8°CRelativeHumidity:60% Pressure:99.9kPa AppendixA:6dBBandwidth TestResult Test Mode AntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.6922401.6082402.3000.5PASS BLE_1MAnt124400.7002439.6082440.3080.5PASS BLE_1MAnt124800.6522479.6282480.2800.5PASS BLE_2MAnt124021.1642401.3722402.5360.5PASS BLE_2MAnt124401.1282439.4082440.5360.5PASS BLE_2MAnt124801.1402479.3362480.4760.5PASS ReportNo.:1812C60385712502-01 Page 2 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C60385712502-01 Page 3 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C60385712502-01 Page 4 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C60385712502-01 Page 5 of 33 AppendixB:99%OccupiedBandwidth TestResult Test Mode AntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.03872401.43742402.4761------ BLE_1MAnt124401.03042439.44232440.4727------ BLE_1MAnt124801.02962479.44022480.4698------ BLE_2MAnt124022.07202400.93642403.0084------ BLE_2MAnt124402.08522438.92732441.0125------ BLE_2MAnt124802.06282478.93462480.9974------ ReportNo.:1812C60385712502-01 Page 6 of 33 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.:1812C60385712502-01 Page 7 of 33 BLE_1M-Ant1-2480 BLE_2M-Ant1-2402 ReportNo.:1812C60385712502-01 Page 8 of 33 BLE_2M-Ant1-2440 BLE_2M-Ant1-2480 ReportNo.:1812C60385712502-01 Page 9 of 33 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode Antenna Frequency [MHz] Conducted Peak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt12402-0.58≤30PASS BLE_1MAnt12440-0.01≤30PASS BLE_1MAnt124800.49≤30PASS BLE_2MAnt12402-0.53≤30PASS BLE_2MAnt124400.03≤30PASS BLE_2MAnt124800.58≤30PASS TestGraphsPeak BLE_1M-Ant1-2402-PASS ReportNo.:1812C60385712502-01 Page 10 of 33 BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1812C60385712502-01 Page 11 of 33 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS ReportNo.:1812C60385712502-01 Page 12 of 33 BLE_2M-Ant1-2480-PASS ReportNo.:1812C60385712502-01 Page 13 of 33 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-16.83≤8.00PASS BLE_1MAnt12440-16.20≤8.00PASS BLE_1MAnt12480-15.73≤8.00PASS BLE_2MAnt12402-20.01≤8.00PASS BLE_2MAnt12440-19.32≤8.00PASS BLE_2MAnt12480-18.86≤8.00PASS ReportNo.:1812C60385712502-01 Page 14 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C60385712502-01 Page 15 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C60385712502-01 Page 16 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C60385712502-01 Page 17 of 33 AppendixE:Bandedgemeasurements TestResult Test Mode AntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low2402-1.00-46.95≤-21PASS BLE_1MAnt1High24800.25-49.49≤-19.76PASS BLE_2MAnt1Low2402-1.84-33.95≤-21.84PASS BLE_2MAnt1High2480-0.88-49.71≤-20.88PASS

ReportNo.:1812C60385712502-01 Page 18 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1812C60385712502-01 Page 19 of 33 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C60385712502-01 Page 20 of 33 AppendixF:ConductedSpuriousEmission TestResult Test Mode Antenna Frequency [MHz] Freq.Range [MHz] Ref. Level [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt124020~Reference-1.74-1.74---PASS BLE_1MAnt1240230~1000-1.74-51.79≤-21.74PASS BLE_1MAnt124021000~26500-1.74-37.85≤-21.74PASS BLE_1MAnt124400~Reference-1.15-1.15---PASS BLE_1MAnt1244030~1000-1.15-51.22≤-21.15PASS BLE_1MAnt124401000~26500-1.15-36.9≤-21.15PASS BLE_1MAnt124800~Reference-0.60-0.60---PASS BLE_1MAnt1248030~1000-0.60-52.11≤-20.6PASS BLE_1MAnt124801000~26500-0.60-37.24≤-20.6PASS BLE_2MAnt124020~Reference-1.73-1.73---PASS BLE_2MAnt1240230~1000-1.73-52.09≤-21.73PASS BLE_2MAnt124021000~26500-1.73-37.52≤-21.73PASS BLE_2MAnt124400~Reference-1.24-1.24---PASS BLE_2MAnt1244030~1000-1.24-51.92≤-21.24PASS BLE_2MAnt124401000~26500-1.24-37.33≤-21.24PASS BLE_2MAnt124800~Reference-0.58-0.58---PASS BLE_2MAnt1248030~1000-0.58-52.13≤-20.58PASS BLE_2MAnt124801000~26500-0.58-37.34≤-20.58PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosshavebeensetinthe 'InputCorrection'oftheSpectrumAnalyzerduringthetest. ReportNo.:1812C60385712502-01 Page 21 of 33 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS ReportNo.:1812C60385712502-01 Page 22 of 33 BLE_1M-Ant1-2402-1000~26500-PASS BLE_1M-Ant1-2440-0~Reference-PASS ReportNo.:1812C60385712502-01 Page 23 of 33 BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS ReportNo.:1812C60385712502-01 Page 24 of 33 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS ReportNo.:1812C60385712502-01 Page 25 of 33 BLE_1M-Ant1-2480-1000~26500-PASS BLE_2M-Ant1-2402-0~Reference-PASS ReportNo.:1812C60385712502-01 Page 26 of 33 BLE_2M-Ant1-2402-30~1000-PASS BLE_2M-Ant1-2402-1000~26500-PASS ReportNo.:1812C60385712502-01 Page 27 of 33 BLE_2M-Ant1-2440-0~Reference-PASS BLE_2M-Ant1-2440-30~1000-PASS ReportNo.:1812C60385712502-01 Page 28 of 33 BLE_2M-Ant1-2440-1000~26500-PASS BLE_2M-Ant1-2480-0~Reference-PASS ReportNo.:1812C60385712502-01 Page 29 of 33 BLE_2M-Ant1-2480-30~1000-PASS BLE_2M-Ant1-2480-1000~26500-PASS ReportNo.:1812C60385712502-01 Page 30 of 33 AppendixG:DutyCycle TestResult Test Mode Antenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124022.132.5184.860.71 BLE_1MAnt124402.132.5184.860.71 BLE_1MAnt124802.132.5184.860.71 BLE_2MAnt124021.062.4942.573.71 BLE_2MAnt124401.062.4942.573.71 BLE_2MAnt124801.072.4942.973.67 ReportNo.:1812C60385712502-01 Page 31 of 33 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 ReportNo.:1812C60385712502-01 Page 32 of 33 NTNV-BLE_1M-Ant1-2480 NTNV-BLE_2M-Ant1-2402 ReportNo.:1812C60385712502-01 Page 33 of 33 NTNV-BLE_2M-Ant1-2440 NTNV-BLE_2M-Ant1-2480 ---End---

2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F24507 (A)(B)(C)(D)(F X (E)) ElectricalSpecification DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=07 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7 dBi (Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 3.20±0.20 W 1.60±0.20 T 0.85±0.20 Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. Shenzhen Yongcheng International Technology Co., Ltd. 2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation 2400MHz2450MHz2500MHz Efficiency82.52%85.26%83.01% X Y Z Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”4K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. _ 2.4GHz 3216 Chip Antenna: RANT3216F245X07 Reliability Table TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 2Add2Dradiationcharacteristi2022/02/22c Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen.