2AQVU0073Infrared Forehead Thermometer

Rev 1/26/2023 JOYTECH HEALTHCARE CO., LTD. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: April 9, 2025 Ref: Attestation Statements Part 2.911(d)(7) Filing Grantee Code: 2AQVU Applicant FRN: 0027764067 JOYTECH HEALTHCARE CO., LTD (“the applicant”) certifies that, as of the date of the filing of the application, CTl U.S. Inc. is our designated U.S. agent for service of process for the above referenced Grantee Code. JOYTECH HEALTHCARE CO., LTD accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission- related proceeding involving the equipment. CTl U.S. Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced Grantee Code. Designated U.S. Agent Information: Name: CTl U.S. Inc. U.S. Agent FRN: 0033406968 Address: Suite 230, 1455 CTl U.S. Inc. Lincoln Parkway, Atlanta, GA, 30346 Contact Person: Robin Zhang Tel.: 248-461-3673 Email: [email protected] Sincerely, JOYTECH HEALTHCARE CO., LTD. [Insert U.S. Agent company name] Applicant printed name: Lan Yingting U.S. Agent printed name: Robin Zhang Applicant signature: U.S. Agent signature:

23.0 17.0 Made in China Infrared Forehead Thermometer Model:DET-3031b Measuring site:Forehead Reference body site:Oral Rating:DC3.0V(2xAAA alkaline battery) FCC ID:2AQVU0073 (01)06942284605783 (11)250915 (10)250915 JOYTECH Healthcare Co., Ltd. No.365, Wuzhou Road, Hangzhou,311100 Zhejiang,P.R. China 250915 2025.09.15 UDI

ReportNo. : EED32R82397002Page1 of 7 RF ExposureEvaluationReport Product:InfraredForeheadThermometer Trademark:N/A Model/Typereference:DET-3031b SerialNumber:N/A ReportNumber:EED32R82397002 FCC ID:2AQVU0073 Date of Issue:Jan. 13, 2026 Test Standards: 47 CFR Part 1.1307 47 CFR Part 1.13 10 47 CFR Part 2.1093 KDB447498D04 InterimGeneralRF ExposureGuidancev01 Test result:PASS Preparedfor: JOYTECHHealthcareCo., Ltd. No. 365, WuzhouRoad 311100Hangzhou,ZhejiangProvince, PEOPLE'SREPUBLICOF CHINA Preparedby: CentreTestingInternationalGroupCo., Ltd. HongweiIndustrialPark, Zone 70, Bao ’an District, Shenzhen,Guangdong,China TEL: +86-755-33683668 FAX: +86-755-3368 3385 Compiledby:Reviewedby: Win WeiKevenTan Approvedby:Date:Jan. 13, 2026 AaronMa CheckNo.:4343041225 ReportNo. : EED32R82397002Page2 of 7 1 Contents Page 1 CONTENTS........................................................................................................................................................................2 2 GENERALINFORMATION..............................................................................................................................................3 2.1 CLIENTINFORMATION...................................................................................................................................................3 2.2 GENERALDESCRIPTIONOFEUT ...................................................................................................................................3 2.3 PRODUCTSPECIFICATIONSUBJECTIVETO THIS STANDARD...........................................................................................3 2.4 TESTLOCATION.............................................................................................................................................................4 2.5 DEVIATIONFROMSTANDARDS......................................................................................................................................4 2.6 ABNORMALITIESFROMSTANDARDCONDITIONS..........................................................................................................4 2.7 OTHERINFORMATIONREQUESTEDBY THECUSTOMER................................................................................................4 3 SAR EVALUATION...........................................................................................................................................................5 3.1 RF EXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 3.1.1 Limits....................................................................................................................................................................5 3.1.2 T est Procedure....................................................................................................................................................5 3.1.3 EUT RF ExposureEvaluation..........................................................................................................................6 ReportNo. : EED32R82397002Page3 of 7 2 GeneralInformation 2.1 ClientInformation Applicant: JOYTECHHealthcareCo., Ltd. Addressof Applicant: No. 365, WuzhouRoad311100Hangzhou,ZhejiangProvince,PEOPLE'S REPUBLICOF CHINA Manufacturer: JOYTECHHealthcareCo., Ltd. Addressof Manufacturer: No. 365, WuzhouRoad311100Hangzhou,ZhejiangProvince,PEOPLE'S REPUBLICOF CHINA Factory: JOYTECHHealthcareCo., Ltd. Addressof Factory: Site 1:No.365, WuzhouRoad311100Hangzhou,ZhejiangProvince,PEOPLE'S REPUBLICOF CHINA SIte 2:No.502, ShundaRoad,311100Hangzhou,ZhejiangProvince,PEOPLE'S REPUBLICOF CHINA 2.2 GeneralDescriptionof EUT ProductName:InfraredForeheadThermometer Mode l No.(EUT): DET-3031b TradeMark: N/A 2.3ProductSpecificationsubjectiveto this standard FrequencyRange:2402MHz~2480MHz ModulationType:GFSK Test PowerGrade:Default Test Softwareof EUT:PhyPlusKit AntennaType: PCBAntenna AntennaGain: -1.38 dBi PowerSupply: Battery:DC 3V AAA*2battery SampleReceivedDate: Dec.18, 2025 SampletestedDate: Dec.18, 2025to Dec.23, 2025 ReportNo. : EED32R82397002Page4 of 7 2.4 Test Location All testswereperformedat: CentreTestingInternationalGroupCo., Ltd HongweiIndustrialPark,Zone70, Bao'anDistrict,Shenzhen,Guangdong,China Telephone:+86 (0) 755 33683668Fax:+86(0) 755 33683385 No testsweresub-contracted. FCCDesignationNo.: CN1164,Test Firm RegistrationNo.: 260439 2.5 Deviationfrom Standards None. 2.6 Abnormalitiesfrom StandardConditions None. 2.7 OtherInformationRequestedby the Customer None. ReportNo. : EED32R82397002Page5 of 7 3 SAR Evaluation 3.1 RF ExposureComplianceRequirement 3.1.1 Limits The SAR-basedexemptionformulaof § 1.1307(b)(3)(i)(B),repeatedhereas Formula(B.2),appliesfor singlefixed,mobile,and portableRF sourceswith availablemaximumtime-averagedpoweror effective radiatedpower(ERP),whicheveris greater,of less than or equalto the thresholdPth (mW). This methodshallonly be usedat separationdistancesfrom0.5 cm to 40 cm and at frequenciesfrom 0.3 GHz to 6 GHz (inclusive).Pth is givenby Formula and f is in GHz,d is the separationdistance(cm),and ERP20cmis per Formula(B.1). The 1 mW BlanketExemptionof § 1.1307(b)(3)(i)(A)appliesfor singlefixed,mobile,and portableRF sourceswith availablemaximumtime-averagedpowerof no morethan 1 mW,regardlessof separation distance. 3.1.2 Te st Procedure Softwareprovidedby clientenabledthe EUTto transmitand receivedata at lowest,middleand highest channelindividually. ReportNo. : EED32R82397002Page6 of 7 3.1.3 EUT RF ExposureEvaluation For Standalone: Note： ①EIRP=conductedpower+antennagain； ②ERP=EIRP-2.15; ③EIRP(dBm)= Fieldstrengthof the fundamentalsignal(dBuV/m@3m)– 95.23; ④ERP (mW)= 10^(ERP(dBm)/10); ⑤The estimationdistanceis 0.5cm; ⑥The test data pleasereferto the reportof EED32R82397001and only the worstcasedata was recorded in the report. Band Freq. (MHz) Estimation distance (cm) Max. Conducted Output power (dBm) Antenna Gain (dBi) ERP (dBm) ERP (mW) Limit (…

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Report No.: RF8230406039-L1-R Page 1 of 10 Antenna Test Report Product Name: Bluetooth Module Report No. : RF8230406039-L1-R Product Model: JMD1102/JMD1105/JMD1106 Security Classification: Open Version：V1.0 Total Page: 10 HAIYUN Laboratory Report Prepared By: Checked By: Approved By: Krain Wu Vic Cai Flank Wang Report No.: RF8230406039-L1-R Page 2 of 10 Antenna Test Report Equipment: Bluetooth Module Model: JMD1102/JMD1105/JMD1106 Applicant: JOYTECH Healthcare Co., Ltd. Applicant address: No.365,Wuzhou Road311100 Hangzhou, Zhejiang ProvincePEOPLE'S REPUBLIC OF CHINA Manufacture: JOYTECH Healthcare Co., Ltd. Address: No.365,Wuzhou Road311100 Hangzhou, Zhejiang ProvincePEOPLE'S REPUBLIC OF CHINA Date of Receipt: Apr 7.2023 Date of Test: Apr 1.2023~May 10.2023 Issue Date: May 10.2023 Tested by: Shenzhen HAIYUN Testing Co., Ltd. Laboratory TEL: 0755-89990666-21508 FAX:0755-26801723 Note: This report shall not be reproduced except in full, without the written approval of Shenzhen HAIYUN Testing Co., Ltd. Laboratory. This document may be altered or revised by Shenzhen HAIYUN Testing Co., Ltd. Laboratory. personnel only, and shall be noted in the revision section of the document. The test results of this report relate only to the tested sample identified in this report. Report No.: RF8230406039-L1-R Page 3 of 10 TABLE OF CONTENTS 1.Purose & Environment .................................................................................................................................. 4 1.1 Purpose ................................................................................................................................................. 4 1.2 Environment ......................................................................................................................................... 4 2.Test photos、Test Condition and DUT Antenna .......................................................................................... 5 2.1 Test photos ............................................................................................................................................ 5 2.2 Test Condition ...................................................................................................................................... 5 2.3 DUT Antenna ....................................................................................................................................... 6 3.2D-3D Radiation pattern ............................................................................................................................... 7 3.1 2D Radiation pattern test results ........................................................................................................... 7 3.2 3D Radiation pattern test results ........................................................................................................... 8 4.Peak Gain ...................................................................................................................................................... 9 3.3 Test results ........................................................................................................................................... 9 Report No.: RF8230406039-L1-R Page 4 of 10 1.Purose & Environment 1.1 Purpose • Meet the electrical performance index; • Confirm the antenna scheme to meet the design requirements; 1.2 Environment • Test Condition: the network analyzer(E5071C) and SATIMO microwave anechoic chamber • Passive measurement results are presented Report No.: RF8230406039-L1-R Page 7 of 10 3 2D Radiation pattern 3.1 2D Radiation pattern test results Antenna_2D Report No.: RF8230406039-L1-R Page 8 of 10 3 3D Radiation pattern 3.2 3D Radiation pattern test results Antenna_3D Report No.: RF8230406039-L1-R Page 9 of 10 4 Peak Gain 4.1Test results Antenna_Peak Gain Frequency（MHz） Peak_Gain . dBi 2400 -3.52 2410 -2.85 2420 -2.15 2430 -1.78 2440 -1.69 2450 -1.55 2460 -1.49 2470 -1.37612 2480 -1.49 2490 -1.57 2500 -1.73 Report No.: RF8230406039-L1-R Page 10 of 10 STATEMENT a) The test report applies only to the specific samples tested under conditions. b) The test report is invalid without the Inspection Seal. c) The test report is invalid without the signature of the test engineer, auditor, Approver. d) The test report is invalid if it is altered or copied. e) Partial replica is prohibited without permission of Shenzhen HAIYUN Testing Co., Ltd. Laboratory f) The test results presented in this report is only valid on the tested samples. g) Objections to this report should be submitted to the inspection organization in 15 days of receipting the report. It is not accepted if overdue. Shenzhen HAIYUN Testing Co., Ltd. Laboratory Address: No. 2 Danzi North Road, Kengzi Street, Pingshan District,Shenzhen,Guangdong, China Tel: 0755-26021222 Fax: 0755-26021723 （END OF REPORT）

ReportNo. : EED32R82397001Page 1 of 39 TESTREPORT Product:InfraredForeheadThermometer Trademark:N/A Model/Typereference:DET-3031b SerialNumber:N/A ReportNumber:EED32R82397001 FCC ID:2AQVU0073 Dateof Issue:Jan. 13, 2026 TestStandards:47 CFR Part 15 SubpartC Testresult:PASS Preparedfor: JOYTECHHealthcareCo., Ltd. No. 365, WuzhouRoad311100Hangzhou,ZhejiangProvince, PEOPLE'SREPUBLICOF CHINA Preparedby: CentreTestingInternationalGroupCo., Ltd. HongweiIndustrialPark,Zone70 , Bao ’an District, Shenzhen,Guangdong,China TEL:+86-755-33683668 FAX:+86-755-33683385 Compiledby:Reviewedby: Win WeiKevenTan Approvedby:Date:Jan. 13, 2026 AaronMa CheckNo.:4343041225 ReportNo. : EED32R82397001Page 2 of 39 1 Content 1 CONTENT............................................................................................................................................................................2 2 TESTSUMMARY...............................................................................................................................................................3 3 GENERALINFORMATION...............................................................................................................................................4 3.1 CLIENTINFORMATION....................................................................................................................................................4 3.2 GENERALDESCRIPTIONOFEUT.................................................................................................................................4 3.3 TESTCONFIGURATION..................................................................................................................................................5 3.4 TESTENVIRONMENT.....................................................................................................................................................6 3.5 DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................6 3.6 TESTLOCATION.............................................................................................................................................................6 3.7 MEASUREMENTUNCERTAINTY(95%CONFIDENCELEVELS,K=2).............................................................................7 4 EQUIPMENTLIST..............................................................................................................................................................8 5 TESTRESULTSANDMEASUREMENTDATA.........................................................................................................11 5.1 ANTENNAREQUIREMENT............................................................................................................................................11 5.2 MAXIMUMCONDUCTEDOUTPUTPOWER..................................................................................................................12 5.3 DTS BANDWIDTH........................................................................................................................................................13 5.4 MAXIMUMPOWERSPECTRALDENSITY.....................................................................................................................14 5.5 BANDEDGEMEASUREMENTSANDCONDUCTEDSPURIOUSEMISSION...................................................................15 5.6 RADIATEDSPURIOUSEMISSION& RESTRICTEDBANDS...........................................................................................16 6 APPENDIXA.....................................................................................................................................................................37 7 PHOTOGRAPHS..............................................................................................................................................................38 ReportNo. : EED32R82397001Page 3 of 39 2 TestSummary TestItemTestRequirementResult AntennaRequirement 47 CFRPart 15 SubpartC Section 15.203/15.247(c) PASS AC PowerLineConducted Emission 47 CFRPart 15 SubpartC Section 15.207 N/A DTS Bandwidth 47 CFRPart 15 SubpartC Section 15.247(a)(2) PASS MaximumConductedOutput Power 47 CFRPart 15 SubpartC Section 15.247(b)(3) PASS MaximumPowerSpectral Density 47 CFRPart 15 SubpartC Section15.247(e)PASS BandEdgeMeasurements 47 CFRPart 15 SubpartC Section 15.247(d) PASS ConductedSpuriousEmissions 47 CFRPart 15 SubpartC Section 15.247(d) PASS RadiatedSpuriousEmission& Restrictedbands 47 CFRPart 15 SubpartC Section 15.205/15.209 PASS ReportNo. : EED32R82397001Page 4 of 39 3 GeneralInformation 3.1 ClientInformation Applicant:JOYTECHHealthcareCo., Ltd. Addressof Applicant:No. 365, WuzhouRoad311100Hangzhou,ZhejiangProvince,PEOPLE'S REPUBLICOF CHINA Manufacturer:JOYTECHHealthcareCo., Ltd. Addressof Manufacturer:No. 365, WuzhouRoad311100Hangzhou,ZhejiangProvince,PEOPLE'S REPUBLICOF CHINA Factory:JOYTECHHealthcareCo., Ltd. Addressof Factory:Site 1:No.365, WuzhouRoad311100 Hangzhou,ZhejiangProvince,PEOPLE'SREPUBLICOF CHINA SIte 2:No.502, ShundaRoad,311100Hangzhou,ZhejiangProvince, PEOPLE'SREPUBLICOF CHINA 3.2 GeneralDescriptionof EUT ProductName: InfraredForeheadThermometer Model No. : DET-3031b Test Model No.: DET-3031b Trade mark: N/A ProductType: MobilePortableFix Location OperationFrequency: 2402MHz~2480MHz ModulationType: GFSK TransferRate:1Mbps Numberof Channel: 40 AntennaType :PCBAntenna AntennaGain:-1.38 dBi PowerSupply:Battery:DC 3V AAA*2battery Test Voltage:DC 3V SampleReceivedDate:Dec.18, 2025 SampletestedDate:Dec.18, 2025to Dec.23, 2025 ReportNo. : EED32R82397001Page 5 of 39 OperationFrequencyeachof channel Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 02402102422202442302462 12404112424212444312464 22406122426222446322466 32408132428232448332468 42410142430242450342470 52412152432252452352472 62414162434262454362474 72416172436272456372476 8241818243828245…

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ReportNo.:EED32R82397001Page1of35 Appendix:BluetoothLE ReportNo.:EED32R82397001Page2of35 Contents AppendixA:DTSBandwidth.......................................................................................................3 TestResult...............................................................................................................................................3 TestGraphs.............................................................................................................................................4 AppendixB:OccupiedChannelBandwidth................................................................................7 TestResult...............................................................................................................................................7 TestGraphs.............................................................................................................................................8 AppendixC:Maximumconductedoutputpower....................................................................11 TestResultPeak...................................................................................................................................11 TestGraphsPeak.................................................................................................................................12 AppendixD:Maximumpowerspectraldensity.......................................................................15 TestResult.............................................................................................................................................15 TestGraphs...........................................................................................................................................16 AppendixE:Bandedgemeasurements...................................................................................19 TestResult.............................................................................................................................................19 TestGraphs...........................................................................................................................................20 AppendixF:ConductedSpuriousEmission..............................................................................22 TestResult.............................................................................................................................................22 TestGraphs...........................................................................................................................................23 AppendixG:DutyCycle............................................................................................................32 TestResult.............................................................................................................................................32 TestGraphs...........................................................................................................................................33 ReportNo.:EED32R82397001Page3of35 AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.6802401.6682402.3480.5PASS BLE_1MAnt124400.6842439.6642440.3480.5PASS BLE_1MAnt124800.6802479.6682480.3480.5PASS BLE_2MAnt124021.0362401.4242402.4600.5PASS BLE_2MAnt124401.1242439.4362440.5600.5PASS BLE_2MAnt124801.0682479.4282480.4960.5PASS ReportNo.:EED32R82397001Page4of35 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:EED32R82397001Page5of35 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:EED32R82397001Page6of35 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:EED32R82397001Page7of35 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntenna Frequency [MHz] OCB[MHz] FL[MHz]FH[MHz] Limit[MH z] Verdict BLE_1MAnt124021.04482401.48162402.5264------ BLE_1MAnt124401.06102439.46922440.5302------ BLE_1MAnt124801.06632479.46432480.5306------ BLE_2MAnt124022.04832400.98742403.0357------ BLE_2MAnt124402.05732438.98102441.0383------ BLE_2MAnt124802.03022478.98762481.0178------ ReportNo.:EED32R82397001Page8of35 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.:EED32R82397001Page9of35 BLE_1M-Ant1-2480 BLE_2M-Ant1-2402 ReportNo.:EED32R82397001Page10of35 BLE_2M-Ant1-2440 BLE_2M-Ant1-2480 ReportNo.:EED32R82397001Page11of35 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt12402-2.87≤30PASS BLE_1MAnt12440-3.85≤30PASS BLE_1MAnt12480-5.02≤30PASS BLE_2MAnt12402-2.92≤30PASS BLE_2MAnt12440-3.91≤30PASS BLE_2MAnt12480-5.01≤30PASS ReportNo.:EED32R82397001Page12of35 TestGraphsPeak BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:EED32R82397001Page13of35 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:EED32R82397001Page14of35 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:EED32R82397001Page15of35 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-19.19≤8.00PASS BLE_1MAnt12440-20.13≤8.00PASS BLE_1MAnt12480-21.36≤8.00PASS BLE_2MAnt12402-21.74≤8.00PASS BLE_2MAnt12440-22.18≤8.00PASS BLE_2MAnt12480-23.45≤8.00PASS ReportNo.:EED32R82397001Page16of35 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:EED32R82397001Page17of35 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:EED32R82397001Page18of35 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:EED32R82397001Page19of35 AppendixE:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz]RefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1MAnt1Low2402-3.53-35.43≤-23.53PASS BLE_1MAnt1High2480-6.28-44.25≤-26.28PASS BLE_2MAnt1Low2402-4.14-34.78≤-24.14PASS BLE_2MAnt1High2480-6.68-44.96≤-26.68PASS ReportNo.:EED32R82397001Page20of35 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.:EED32R82397001Page21of35 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2480-PASS Repo…

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