2BTIN-PM10Portable ECG Monitor

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BTIN-PM10PM10 We, Applicant CompanyName:KangyuanAixin(Guangzhou)Technology Co..Ltd. Address:Unit506,BlockE,No.80LanyueRoad,Science City,Huangpu,District,Guangzhou,Guangdon gProvince,China Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-31 SignatureDate PrintedNameofSignee:YongqinYin Company:KangyuanAixin(Guangzhou) TechnologyCo..Ltd. Phone:+8615918412017 Email:[email protected] Address:Unit506,BlockE,No.80Lanyue Road,ScienceCity,Huangpu,District,Guangzh ou,GuangdongProvince,China Fax:N/A

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BTIN-PM10PM10 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-31 SignatureDate PrintedNameofSignee/Title:YongqinYin/Manager Company:KangyuanAixin(Guangzhou)TechnologyCo..Ltd. Address:Unit506,BlockE,No.80LanyueRoad,Science City,Huangpu,District,Guangzhou,GuangdongProvince, China Phone:+8615918412017 Fax:-- Email:[email protected]

ReportNo.:CISRR25112418501 Page 43 of 46 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25112418501 Page 44 of 46

ReportNo.:CISRR25112418501 Page 45 of 46 9.2.InternalPhotos ANT ReportNo.:CISRR25112418501 Page 46 of 46 ------Endofthereport-----

ReportNo.:CISRR25112418502 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR25112418502 ProjectNo.CISR251124185 FCCID2BTIN-PM10 ApplicantKangyuanAixin(Guangzhou)TechnologyCo..Ltd. Address Unit506,BlockE,No.80LanyueRoad,ScienceCity,Huangpu District,Guangzhou,GuangdongProvince,China ManufacturerKangyuanAixin(Guangzhou)TechnologyCo..Ltd. Address Unit506,BlockE,No.80LanyueRoad,ScienceCity,Huangpu District,Guangzhou,GuangdongProvince,China ProductNamePortableECGMonitor Trademark- Model/TypereferencePM10 ListedModel(s)- Standard 47CFRPart2.1093 DateofsamplereceiptDecember25,2025 TestdateDecember25,2025toDecember29,2025 IssuedateDecember30,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR25112418502 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00December30,2025Original ReportNo.:CISRR25112418502 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothBluetooth. ReportNo.:CISRR25112418502 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radio type Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP (dBm) Minimum distance (mm) Evaluated value LimitResult BLE2.4020.021.51.5225.000.49133.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR25112418502 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result: NotApplicable --------EndofReport--------

AT3216-A2R4PAAT/LF REV:5 PAGE:1/9 ACX Advanced Ceramic X Features  Monolithic SMD with small, low-profile and light-weight type.  Wide bandwidth  RoHS compliant Applications Bluetooth/Wireless LAN/Home RF ISM band 2.4GHz applications Specifications Part Number Operating Frequency (MHz) Peak Gain (XZ-total) Average Gain (XZ-total) VSWR Impedance AT3216 -A2R4PAA_ 2400 ~ 2500 1.5 dBi typ. -1.0 dBi typ.3.0 max. 50Ω Q’ty/Reel (pcs) : 3,000pcs Operating Temperature Range : -40 ~ +85 o C Storage Temperature Range : -40 ~ +85 o C Storage Period : 12 months max. Power Capacity : 3W max. Part Number  Type AT : Antenna  Dimensions ( L × W ) 3.2× 1.6 mm  Material Code A  Initial center frequency 2R4=2400MHz  Specification Code PAA  Packaging T: Tape & Reel B: Bulk  Soldering /LF=lead-free AT3216 Series Multilayer Chip Antenna AT 3216 - A 2R4 PAA        AT3216-A2R4PAAT/LF REV:5 PAGE:2/9 ACX Advanced Ceramic X Terminal Configuration Dimensions and Recommended PC Board Pattern Mark L W T a b Dimensions 3.2±0.2 1.6±0.2 1.2±0.2 0.3+0.1 /-0.2 0.5±0.2 Without Matching Circuits - Unit in mm *Line width should be designed to match 50 characteristic impedance, depending on PCB material and thickness. No. Terminal Name No. Terminal Name  Feeding Point  GND  GND  GND     Unit : mm b T L a w b * Feeding line 1.02.01.0 0.6 0.7 0.6 4.1 4.0 0 Matching Circuits No ground Ground Land Solder Resist <TOP VIEW> AT3216-A2R4PAAT/LF REV:5 PAGE:3/9 ACX Advanced Ceramic X Typical Electrical Characteristics (T=25 o C) Test Board Return Loss-without matching circuits 2.22.42.62.82.03.0 -20 -10 -30 0 f req, GHz dB(S(1,1)) m1 m2 m3 m1 f req= dB(S(1,1))=-13.935 2.400GHz m2 f req= dB(S(1,1))=-14.774 2.500GHz m3 f req= dB(S(1,1))=-24.894 2.450GHz Via GroundV Feeding Line Antenna No Ground 40mm 20mm Matching Circuits AT3216-A2R4PAAT/LF REV:5 PAGE:4/9 ACX Advanced Ceramic X Radiation Patterns XZ cut @ 2.45GHz Vertical Horizontal XZ-V/XZ-H 180 o 270 o 0 o 90 o X Z Y XZ-cut scanning direction XY cut @ 2.45GHz Vertical Horizontal 270 o XY-V/XY-H 180 o 0 o 90 o X Z Y XY-cut scanning direction YZ cut @ 2.45GHz Vertical Horizontal YZ-V/YZ-H 180 o 270 o 0 o 90 o X Z Y YZ-cut scanning direction AT3216-A2R4PAAT/LF REV:5 PAGE:5/9 ACX Advanced Ceramic X Radiation Patterns - 3D Pattern AT3216-A2R4PAAT/LF REV:5 PAGE:6/9 ACX Advanced Ceramic X Taping Specifications Tape & Reel Dimensions (Unit: mm) vs. Quantity (pcs) Type A A’ B C D E F T Quantity/per reelTape material AT3216 4.0± 0.1 4.0± 0.05 1.88± 0.1 3.5± 0.1 2.0± 0.05 3.5± 0.05 8.00± 0.1 1.27± 0.1 3,000pcs Plastic (Embossed) Reel Dimensions (Unit: mm) Leader and Trailer Tape (Plastic material) Type W2 W3 W4 W5 AT3216 178±1 60±1 1.4±0.2 17±0.5 F A’ D E 1.75 ± 0.1 AB EMBOSS TA P E T C ∣ W2 13.5±0.5 2.3 ±0.5 Label Label: Customer’s Name, ACX P/N, Q’ty, Date, ACX Corp. W4 W5 W3 Trailer End Trailer (160 mm min.) Leader End Empty Compartments with Cover Tape (500 mm min.) AT3216-A2R4PAAT/LF REV:5 PAGE:7/9 ACX Advanced Ceramic X Peel-off Force Peel-off force should be in the range of 0.1 – 0.6 N at a peel-off speed of 300±10 mm/min . Storage Conditions (1) Temperature: 5 ~35°C, relative humidity (RH): 45~75%. (2) Non-corrosive environment Notes The contents of this data sheet are subject to change without notice. Please confirm the specifications and delivery conditions when placing your order. Peeling Direction Top Cover Tape Carrier Tape <10 0 AT3216-A2R4PAAT/LF REV:5 PAGE:8/9 ACX Advanced Ceramic X Mechanical & Environmental Characteristics Item Requirements Procedure Solderability 1. No apparent damage 2. More than 95% of the terminal electrode shall be covered with new solder 1. Preheat: 120 5 o C 2. Solder: 245 5 o C for 5 1 sec Soldering strength (Termination Adhesion) 1. 1kg minimum 1. Solder specimen onto test jig. 2. Apply push force at 0.5mm/s until electrode pads are peeled off or ceramic are broken. Pushing force is applied to longitude direction Deflection (Substrate Bending) 1. No apparent damage 1. Solder specimen onto test jig (FR4, 0.8mm) using the recommend soldering profile. 2. Apply a bending force of 2mm deflection Heat/Humidity Resistance 1. No apparent damage 2. Fulfill the electrical specification after test 1. Temperature: 85 2 o C 2. Humidity: 90% ~ 95% RH 3. Duration: 1000±48hrs 4. Recovery: 1-2hrs Thermal shock (Temperature Cycle) 1. No apparent damage 2. Fulfill the electrical specification after test 1. One cycle/step 1：125 ± 5C for 30 min step 2：- 40 ± 5C for 30 min 2. No of cycles：100 3. Recovery:1-2 hrs Low Temperature Resistance 1. No apparent damage 2. Fulfill the electrical specification after test 1. Temperature: -40 5 o C 2. Duration: 500 ±24hrs 3. Recovery: 1-2hrs 90mm Pressure Rod R230 AT3216-A2R4PAAT/LF REV:5 PAGE:9/9 ACX Advanced Ceramic X Soldering Conditions Typical Soldering Profile for Lead-free Process Reflow Soldering : Notes The contents of this data sheet are subject to change without notice. Please confirm the specifications and delivery conditions when placing your order. Temperature ( o C) Pre-heating 60-180s Time (s.) 20s max. 260 o C 150-200 o C 217 o C 60-150s. Advanced Ceramic X Corp. 16 Tzu Chiang Road, Hsinchu Industrial District Hsinchu Hsien 303, Taiwan TEL:886-3-5987008 FAX:886-3-5987001 E-mail: [email protected] http://www.acxc.com.tw

ReportNo.:CISRR25112418501 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of41 TESTREPORT ReportNo.CISRR25112418501 ProjectNo.CISR251124185 FCCID2BTIN-PM10 ApplicantKangyuanAixin(Guangzhou)TechnologyCo..Ltd. Address Unit506,BlockE,No.80LanyueRoad,ScienceCity,Huangpu District,Guangzhou,GuangdongProvince,China ManufacturerKangyuanAixin(Guangzhou)TechnologyCo..Ltd. Address Unit506,BlockE,No.80LanyueRoad,ScienceCity,Huangpu District,Guangzhou,GuangdongProvince,China ProductNamePortableECGMonitor Trademark- Model/TypereferencePM10 ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptDecember25,2025 TestdateDecember25,2025toDecember29,2025 IssuedateDecember30,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR25112418501 Page 2 of 41 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Testsampleinformation.............................................................................................................................7 5.4.Environmentalconditions...........................................................................................................................7 5.5.Statementofthemeasurementuncertainty.............................................................................................7 5.6.EquipmentUsedduringtheTest................................................................................................................8 6.TESTRESULTS.............................................................................................................................................10 6.1.EvaluationResults(Evaluation)...............................................................................................................10 6.1.1.AntennaRequirement............................................................................................................................10 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................11 6.2.1.6dBBandwidth........................................................................................................................................11 6.2.2.MaximumConductedOutputPower.....................................................................................................12 6.2.3.PowerSpectralDensity..........................................................................................................................13 6.2.4.Conductedbandedgeandspuriousemission...................................................................................14 6.2.5.Radiatedbandedgeemission...............................................................................................................15 6.2.6.RadiatedSpuriousEmission(below1GHz).........................................................................................21 6.2.7.RadiatedSpuriousEmission(Above1GHz)........................................................................................25 7.APPENDIXREPORT......................................................................................................................................33 7.1.ConductedOutputPower.........................................................................................................................33 7.2.6dBBandwidth...........................................................................................................................................35 7.3.PowerSpectralDensity.............................................................................................................................36 7.4.DutyCycle..................................................................................................................................................38 7.5.ConductedSpurious&BandEdgeEmission.........................................................................................39 ReportNo.:CISRR25112418501 Page 3 of 41 1.STANDARDANDAPPLICABLETESTMETHODS Thetestswereperformedaccordingtofollowingstandards: 47CFRPart15.247:Operationwithinthebands902-928MHz,2400-2483.5MHz,and5725-5850MHz ANSIC63.…

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ReportNo.:CISRR25112418501 Page 42 of 46 8.TESTSETUPPHOTOS Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) RadiatedSpuriousEmission(below1GHz)