2BPBC-HBF002Smart Box Fan

ReportNo.:CQASZ20260701600E Photographs-EUTConstructionalDetails ReportNo.:CQASZ20260701600E ReportNo.:CQASZ20260701600E ReportNo.:CQASZ20260701600E ReportNo.:CQASZ20260701600E

ReportNo.:CQASZ20260701600E 1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: ReportNo.:CQASZ20260701600E Above1GHz: 1.2 ConductedEmission ReportNo.:CQASZ20260701600E 1.3 RFConductedmeasurement

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260701600E-01 Applicant:DREOPTE.LTD. AddressofApplicant:1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 EquipmentUnderTest(EUT): Product: SmartBoxFan ModelNo.: DR-HBF002S,DWBF02S TestModelNo.: DR-HBF002S BrandName: DREO,DREOHOME FCCID: 2BPBC-HBF002 Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt: 2026-07-22 DateofTest: 2026-07-22to2026-07-30 DateofIssue: 2026-8-12 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-01 Page: 2 of 29 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260701600E-01Rev.01Initialreport2026-8-12 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-01 Page: 3 of 29 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-01 Page: 4 of 29 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT...................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................8 4.6TESTCONFIGURATION................................................................................................................................................8 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.8TESTLOCATION........................................................................................................................................................10 4.9TESTFACILITY..........................................................................................................................................................10 4.10DEVIATIONFROMSTANDARDS................................................................................................................................10 4.11OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.12EQUIPMENTLIST.....................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA.....................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER..............................................................................…

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SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 TESTREPORT Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260701600E-02 Applicant:DREOPTE.LTD. AddressofApplicant:1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 EquipmentUnderTest(EUT): Product: SmartBoxFan ModelNo.: DR-HBF002S,DWBF02S TestModelNo.: DR-HBF002S BrandName: DREO,DREOHOME FCCID: 2BPBC-HBF002 Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt: 2026-07-22 DateofTest: 2026-07-22to2026-07-30 DateofIssue: 2026-8-12 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-02 Page:2of41 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260701600E-02Rev.01 Initialreport 2026-8-12 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-02 Page:3of41 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement47CFRPart15.203N/APASS ACPowerLine Conducted Emission 47CFRPart15.207 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS ConductedPeak& AverageOutputPower 47CFRPart15.247 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS 6dBOccupied Bandwidth 47CFRPart15.247 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS PowerSpectralDensity47CFRPart15.247 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS Band-edgeforRF ConductedEmissions 47CFRPart15.247 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS RFConductedSpurious Emissions 47CFRPart15.247 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS RadiatedSpurious Emissions 47CFRPart15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a- 2024 PASS SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-02 Page:4of41 Remark: Thetestedsample(s)andthesampleinformationareprovidedbytheclient. Tx:InthiswholereportTx(ortx)meansTransmitter. Rx:InthiswholereportRx(orrx)meansReceiver. RF:InthiswholereportRFmeansRadiatedFrequency. CH:InthiswholereportCHmeanschannel. Volt:InthiswholereportVoltmeansVoltage. Temp:InthiswholereportTempmeansTemperature. Humid:InthiswholereportHumidmeanshumidity. Press:InthiswholereportPressmeansPressure. N/A:Inthiswholereportnotapplication SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-02 Page:5of41 3Contents Page 1VERSION......................................................................................................................................................................2 2TESTSUMMARY........................................................................................................................................................3 3CONTENTS..................................................................................................................................................................5 4GENERALINFORMATION.......................................................................................................................................6 4.1CLIENTINFORMATION.............................................................................................................................................6 4.2GENERALDESCRIPTIONOFEUT..........................................................................................................................6 4.3PRODUCTSPECIFICATIONSUBJECTIVETOTHISSTANDARD................................................................................6 4.4TESTENVIRONMENTANDMODE...........................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS........................................................................................................................9 4.6TESTLOCATION......................................................................................................................................................9 4.7TESTFACILITY........................................................................................................................................................9 4.8TESTCONFIGURATION............................................................................................................................................9 4.9STATEMENTOFTHEMEASUREMENTUNCERTAINTY...........................................................................................10 4.10DEVIATIONFROMSTANDARDS..........................................................................................................................10 4.11ABNORMALITIESFROMSTANDARDCONDITIONS..............................................................................................10 4.12OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..................................................................................10 4.13EQUIPMENTLIST................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA..................................................................................................12 5.1ANTENNAREQUIREMENT.....................................................................................................................................1…

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1 CQASZ20260701600E FCC-02 2 Summary NO. Item Verdict 1 DTS Bandwidth Pass 2 Occupied Channel Bandwidth Pass 3 Maximum conducted output power Pass 4 Maximum power spectral density Pass 5 Band edge measurements Pass 6 Conducted Spurious Emission Pass 7 Emissions in Restricted Bands Pass 8 Duty Cycle Pass 3 Appendix A: DTS Bandwidth Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna 6dB Occupy Bandwidth (MHz) FL (MHz) FH (MHz) Limit (MHz) Verdict 1 NTNV 802.11b(20M) 2412 1Mbps ANT1 9.37 2407.00 2417.00 ≥0.5 Pass 2 NTNV 802.11b(20M) 2437 1Mbps ANT1 9.28 2432.00 2442.00 ≥0.5 Pass 3 NTNV 802.11b(20M) 2462 1Mbps ANT1 9.32 2457.00 2467.00 ≥0.5 Pass 4 NTNV 802.11g(20M) 2412 6Mbps ANT1 16.88 2404.00 2420.00 ≥0.5 Pass 5 NTNV 802.11g(20M) 2437 6Mbps ANT1 16.43 2429.00 2445.00 ≥0.5 Pass 6 NTNV 802.11g(20M) 2462 6Mbps ANT1 16.89 2454.00 2470.00 ≥0.5 Pass 7 NTNV 802.11n(20M) 2412 MCS0 ANT1 16.15 2404.00 2420.00 ≥0.5 Pass 8 NTNV 802.11n(20M) 2437 MCS0 ANT1 16.10 2429.00 2445.00 ≥0.5 Pass 9 NTNV 802.11n(20M) 2462 MCS0 ANT1 16.18 2454.00 2470.00 ≥0.5 Pass 4 Test Graphs NTNV_802.11b(20M)_2412_1Mbps_ANT1 NTNV_802.11b(20M)_2437_1Mbps_ANT1 NTNV_802.11b(20M)_2462_1Mbps_ANT1 NTNV_802.11g(20M)_2412_6Mbps_ANT1 5 NTNV_802.11g(20M)_2437_6Mbps_ANT1 NTNV_802.11g(20M)_2462_6Mbps_ANT1 NTNV_802.11n(20M)_2412_MCS0_ANT1 6 NTNV_802.11n(20M)_2437_MCS0_ANT1 NTNV_802.11n(20M)_2462_MCS0_ANT1 7 Appendix B: Occupied Channel Bandwidth Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna 99% OBW (MHz) Limit (MHz) FL (MHz) FH (MHz) Verdict 1 NTNV 802.11b(20 M) 2412 1Mbps ANT1 15.46 ≥0.5 2404.00 2420.00 Pass 2 NTNV 802.11b(20 M) 2437 1Mbps ANT1 15.40 ≥0.5 2429.00 2445.00 Pass 3 NTNV 802.11b(20 M) 2462 1Mbps ANT1 15.69 ≥0.5 2454.00 2470.00 Pass 4 NTNV 802.11g(20 M) 2412 6Mbps ANT1 17.42 ≥0.5 2403.00 2421.00 Pass 5 NTNV 802.11g(20 M) 2437 6Mbps ANT1 17.42 ≥0.5 2428.00 2446.00 Pass 6 NTNV 802.11g(20 M) 2462 6Mbps ANT1 17.54 ≥0.5 2453.00 2471.00 Pass 7 NTNV 802.11n(20 M) 2412 MCS0 ANT1 18.29 ≥0.5 2403.00 2421.00 Pass 8 NTNV 802.11n(20 M) 2437 MCS0 ANT1 18.29 ≥0.5 2428.00 2446.00 Pass 9 NTNV 802.11n(20 M) 2462 MCS0 ANT1 18.41 ≥0.5 2453.00 2471.00 Pass 8 Test Graphs NTNV_802.11b(20M)_2412_1Mbps_ANT1 NTNV_802.11b(20M)_2437_1Mbps_ANT1 NTNV_802.11b(20M)_2462_1Mbps_ANT1 NTNV_802.11g(20M)_2412_6Mbps_ANT1 9 NTNV_802.11g(20M)_2437_6Mbps_ANT1 NTNV_802.11g(20M)_2462_6Mbps_ANT1 NTNV_802.11n(20M)_2412_MCS0_ANT1 10 NTNV_802.11n(20M)_2437_MCS0_ANT1 NTNV_802.11n(20M)_2462_MCS0_ANT1 11 Appendix C: Maximum conducted output power Test Result NO. Test Condition Test Mode Freq (MHz) Detector Antenna Conducted Peak Power (dBm) Conducted Limit (dBm) Verdict 1 NTNV 802.11b(20 M) 2412 AVER ANT1 11.55 ≤30 Pass 2 NTNV 802.11b(20 M) 2437 AVER ANT1 8.51 ≤30 Pass 3 NTNV 802.11b(20 M) 2462 AVER ANT1 7.27 ≤30 Pass 4 NTNV 802.11g(20 M) 2412 AVER ANT1 3.91 ≤30 Pass 5 NTNV 802.11g(20 M) 2437 AVER ANT1 3.77 ≤30 Pass 6 NTNV 802.11g(20 M) 2462 AVER ANT1 2.49 ≤30 Pass 7 NTNV 802.11n(20 M) 2412 AVER ANT1 3.95 ≤30 Pass 8 NTNV 802.11n(20 M) 2437 AVER ANT1 3.76 ≤30 Pass 9 NTNV 802.11n(20 M) 2462 AVER ANT1 2.50 ≤30 Pass 12 Test Graphs NTNV_802.11b(20M)_2412_1Mbps_ANT1_AV NTNV_802.11b(20M)_2437_1Mbps_ANT1_AV NTNV_802.11b(20M)_2462_1Mbps_ANT1_AV NTNV_802.11g(20M)_2412_6Mbps_ANT1_AV 13 NTNV_802.11g(20M)_2437_6Mbps_ANT1_AV NTNV_802.11g(20M)_2462_6Mbps_ANT1_AV NTNV_802.11n(20M)_2412_MCS0_ANT1_AV 14 NTNV_802.11n(20M)_2437_MCS0_ANT1_AV NTNV_802.11n(20M)_2462_MCS0_ANT1_AV 15 Appendix D: Maximum power spectral density Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna Power Spectral Density (dBm/3kHz) Limit (dBm/3kHz) Verdict 1 NTNV 802.11b(20M) 2412 1Mbps ANT1 -15.35 ≤8 Pass 2 NTNV 802.11b(20M) 2437 1Mbps ANT1 -18.74 ≤8 Pass 3 NTNV 802.11b(20M) 2462 1Mbps ANT1 -20.23 ≤8 Pass 4 NTNV 802.11g(20M) 2412 6Mbps ANT1 -24.22 ≤8 Pass 5 NTNV 802.11g(20M) 2437 6Mbps ANT1 -24.06 ≤8 Pass 6 NTNV 802.11g(20M) 2462 6Mbps ANT1 -25.28 ≤8 Pass 7 NTNV 802.11n(20M) 2412 MCS0 ANT1 -24.45 ≤8 Pass 8 NTNV 802.11n(20M) 2437 MCS0 ANT1 -24.60 ≤8 Pass 9 NTNV 802.11n(20M) 2462 MCS0 ANT1 -26.07 ≤8 Pass 16 Test Graphs NTNV_802.11b(20M)_2412_1Mbps_ANT1 NTNV_802.11b(20M)_2437_1Mbps_ANT1 NTNV_802.11b(20M)_2462_1Mbps_ANT1 NTNV_802.11g(20M)_2412_6Mbps_ANT1 17 NTNV_802.11g(20M)_2437_6Mbps_ANT1 NTNV_802.11g(20M)_2462_6Mbps_ANT1 NTNV_802.11n(20M)_2412_MCS0_ANT1 18 NTNV_802.11n(20M)_2437_MCS0_ANT1 NTNV_802.11n(20M)_2462_MCS0_ANT1 19 Appendix E: Band edge measurements Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna Reference (dBm) Emission Level (dBm) Limit (dBm) Verdict 1 NTNV 802.11b(20M) 2412 1Mbps ANT1 2.08 -30.91 ≤-17.92 Pass 2 NTNV 802.11b(20M) 2462 1Mbps ANT1 -2.42 -45.98 ≤-22.42 Pass 3 NTNV 802.11g(20M) 2412 6Mbps ANT1 -5.91 -44.37 ≤-25.91 Pass 4 NTNV 802.11g(20M) 2462 6Mbps ANT1 -7.32 -46.58 ≤-27.32 Pass 5 NTNV 802.11n(20M) 2412 MCS0 ANT1 -5.88 -46.01 ≤-25.88 Pass 6 NTNV 802.11n(20M) 2462 MCS0 ANT1 -7.29 -45.69 ≤-27.29 Pass 20 Test Graphs NTNV_802.11b(20M)_2412_1Mbps_ANT1 NTNV_802.11b(20M)_2462_1Mbps_ANT1 NTNV_802.11g(20M)_2412_6Mbps_ANT1 NTNV_802.11g(20M)_2462_6Mbps_ANT1 21 NTNV_802.11n(20M)_2412_MCS0_ANT1 NTNV_802.11n(20M)_2462_MCS0_ANT1 22 Appendix F: Conducted Spurious Emission Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna Frequency Range (MHz) Ref Level (MHz) Max Power (dBm) Limit (dBm) Verdict 1 NTNV 802.11b(20M) 2402 1Mbps ANT1 Reference 0.1 1.91 / PASS 30～1000 0.1 -49.24 ≤-18.09 Pass 1000～26500 0.1 -31.26 ≤-18.09 Pass 2 NTNV 802.11b(20M) 2402 1Mbps ANT1 Reference 0.1 -0.98 / PASS 30～1000 0.1 -48.99 ≤-20.98 Pass 1000～26500 0.1 -36.68 ≤-20.98 Pass 3 NTNV 802.11b(20M) 2402 1Mbps ANT1 Reference 0.1 -2.89 / PASS 30～1000 0.1 -48.68 ≤-22.89 Pass 1000～26500 0.1 -36.17 ≤-22.89 Pass 4 NTNV 802.11g(20M) 2402 6Mbps ANT1 Reference 0.1 -5.94 / PASS 30～1000 0.1 -48.80 ≤-25.94 Pass 1000～26500 0.1 -36.41 ≤-25.94 Pass 5 NTNV 802.11g(20M) 2402 6Mbps ANT1 Reference 0.1 -6.26 / PASS 30～1000 0.1 -49.13 ≤-26.26 Pass 1000～26500 0.1 -36.27 ≤-26.26 Pass 6 NTNV 8…

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1 CQASZ20260701600EFCC-01 2 Summary NO.ItemVerdict 1DTSBandwidthPass 2OccupiedChannelBandwidthPass 3MaximumconductedoutputpowerPass 4MaximumpowerspectraldensityPass 5BandedgemeasurementsPass 6ConductedSpuriousEmissionPass 7EmissionsinRestrictedBandsPass 8DutyCyclePass 3 AppendixA:DTSBandwidth TestResult NO. Test Condition Test Mode Freq (MHz) RateAntenna 6dBOccupy Bandwidth (MHz) FL (MHz) FH (MHz) Limit (MHz) Verdict 1NTNVBLE24021MbpsANT10.742401.622402.36≥0.5Pass 2NTNVBLE24401MbpsANT10.742439.622440.36≥0.5Pass 3NTNVBLE24801MbpsANT10.742479.622480.36≥0.5Pass 4 TestGraphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps 5 AppendixB:OccupiedChannelBandwidth TestResult NO. Test Condition Test Mode Freq (MHz) RateAntenna 99%OBW (MHz) FL (MHz) FH (MHz) Verdict 1NTNVBLE24021MbpsANT11.042401.472402.51Pass 2NTNVBLE24401MbpsANT11.042439.472440.51Pass 3NTNVBLE24801MbpsANT11.042479.472480.51Pass 6 TestGraphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps 7 AppendixC:Maximumconductedoutputpower TestResult NO. Test Condition Test Mode Freq (MHz) DetectorAntenna Conducted PeakPower (dBm) Conducted Limit (dBm) Verdict 1NTNVBLE2402PeakANT12.15≤30Pass 2NTNVBLE2440PeakANT12.31≤30Pass 3NTNVBLE2480PeakANT10.75≤30Pass 8 TestGraphs NTNV_BLE_2402_1Mbps_Peak NTNV_BLE_2440_1Mbps_Peak NTNV_BLE_2480_1Mbps_Peak 9 AppendixD:Maximumpowerspectraldensity TestResult NO. Test Condition Test Mode Freq (MHz) RateAntenna Power SpectralDensity (dBm/3kHz) Limit (dBm/3kHz) Verdict 1NTNVBLE24021MbpsANT1-8.64≤8Pass 2NTNVBLE24401MbpsANT1-8.59≤8Pass 3NTNVBLE24801MbpsANT1-9.93≤8Pass 10 TestGraphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps 11 AppendixE:Bandedgemeasurements TestResult NO. Test Condition Test Mode Freq (MHz) RateAntenna Reference (dBm) EmissionLevel (dBm) Limit (dBm) Verdict 1NTNVBLE24021MbpsANT16.28-40.46≤-13.72Pass 2NTNVBLE24801MbpsANT14.87-40.18≤-15.13Pass 12 TestGraphs NTNV_BLE_2402_1Mbps NTNV_BLE_2480_1Mbps 13 AppendixF:ConductedSpuriousEmission TestResult NO. Test Condition Test Mode Freq (MHz) RateAntenna FrequencyRange (MHz) Ref Level (MHz) Max Power (dBm) Limit (dBm) Verdict 1NTNVBLE24021MbpsANT1 Reference0.16.37// 30～10000.1-43.09≤-13.63Pass 1000～265000.1-31.22≤-13.63Pass 2NTNVBLE24021MbpsANT1 Reference0.16.57// 30～10000.1-42.72≤-13.43Pass 1000～265000.1-31.13≤-13.43Pass 3NTNVBLE24021MbpsANT1 Reference0.14.99// 30～10000.1-41.54≤-15.01Pass 1000～265000.1-30.66≤-15.01Pass 14 TestGraphs NTNV_BLE_2402_1Mbps NTNV_BLE_2402_1Mbps 15 NTNV_BLE_2402_1Mbps 16 17 AppendixG:DutyCycle TestResult NO. Test Condition Test Mode Freq (MHz) RateAntenna T_On (ms) Period (ms) DutyCycyle CorrectionFactor (dB) MaxDC Variation (%) 1NTNVBLE24021MbpsANT10.000.001.00100.00 2NTNVBLE24401MbpsANT10.000.001.00100.00 3NTNVBLE24801MbpsANT10.000.001.00100.00 18 TestGraphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps

SPECIFICATION SPECIFICATION SHEETFORAPPROVAL （Revision：R：A0） CUSTOMERHesungInnovationLimited CSP/N TESTMODEL HBF002 PARTNAMEWIFIantennaassembly FREQUENCY2400-2500MHz ZTXNO.2.00001604 DATE2026-06-02 CUSTOMER QA CHECKED ME CHECKED RF CHECKED MANAGER CHECKED ShenzhenZTXCommunicationTechnologyCo.,Ltd MANAGER CHECKED MANAGER CHECKED ME CHECKED RF CHECKED LISTER Shuman.MaChenyu.Liu Address:No.34,ShilongAvenue,ShiyanTown,BaoanDistrict,Shenzhen,(TengdaIndustrialPark) 518000 Tel：0755-27588320Fax：0755-27588045http://www.chinaztx.com Remark ： Sign ： ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 1 of7 Revisionhistory EditionDatestate A02026-06-02Firstedition ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 2 of7 Index Revisionhistory 1 Index 2 1MechanicalSpecification 3 1-1 MechanicalSpecification(WIFIantennaassembly) 3 2Testequipment 4 3TestResultsSummary 5 3-1Activetest 5 3-2S11 5 3-3Passivetest 5 3-42D/3DRadiationPatternResults 6 3-5Environmentaltreatment 7 ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 3 of7 1.MechanicalSpecification 1-1MechanicalConfiguration(WIFIantennaassembly) ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 4 of7 2.Testequipment ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 5 of7 3.TestResultsSummary 3-1Activetest 3-2S11 3-3Passivetest ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 6 of7 3-42D/3DRadiationPatternResults ANTENNASPECIFICATION CUSP/N:HBF002_WIFIantennaassembly ApplicationDate:Jun,02,2026Rev:R:A0 ZTXP/N: HBF002_WIFIantennaassembly Editor:Page 7 of7 3-5Environmentaltreatment

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlytothesample(s) tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260701600E-03 Applicant:DREOPTE.LTD. AddressofApplicant:1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 EquipmentUnderTest(EUT): Product: SmartBoxFan ModelNo.: DR-HBF002S,DWBF02S TestModelNo.: DR-HBF002S BrandName: DREO,DREOHOME FCCID: 2BPBC-HBF002 Standards:47CFRPart1.1307 47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt: 2026-07-22 DateofTest: 2026-07-22to2026-07-30 DateofIssue: 2026-8-12 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-03 Page:2of8 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260701600E-03Rev.01 Initialreport 2026-8-12 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-03 Page:3of8 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE...................................................................................................................................4 3.4GENERALDESCRIPTIONOF2.4GWIFICLASSIC...........................................................................................................5 4RFEXPOSUREEVALUATION.......................................................................................................................................6 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................6 4.1.1Limits....................................................................................................................................................................6 4.1.2TestProcedure...................................................................................................................................................6 4.21.1.3EUTRFEXPOSUREEVALUATION.......................................................................................................................7 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-03 Page:4of8 3GeneralInformation 3.1ClientInformation Applicant: DREOPTE.LTD. AddressofApplicant: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 Manufacturer: DREOPTE.LTD. AddressofManufacturer: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 3.2GeneralDescriptionofEUT ProductName: SmartBoxFan ModelNo.: DR-HBF002S,DWBF02S TestModelNo.: DR-HBF002S TradeMark: DREO,DREOHOME SoftwareVersion: V1.0 HardwareVersion: V1.0 EUTPowerSupply: PowerbyAdapter:Model:AY072CA-AF2403002-USinput:100- 240V~50/60Hz1.8AMaxOutput:24.0V⎓3.0A 3.3GeneralDescriptionofBLE OperationFrequency: 2402MHz~2480MHz BluetoothVersion: BluetoothSpec5.3 ModulationType: GFSK NumberofChannel: 40 TransferRate:1Mbps SampleType: MobilePortable AntennaType:FPCantenna AntennaGain:4.50dBi SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-03 Page:5of8 3.4GeneralDescriptionof2.4GWIFIClassic OperationFrequency: 2412MHz~2462MHz TypeofModulation: IEEEfor802.11b:DSSS(CCK,DQPSK,DBPSK) IEEEfor802.11g:OFDM(64QAM,16QAM,QPSK,BPSK) IEEEfor802.11n(HT20):OFDM(64QAM,16QAM,QPSK,BPSK) NumberofChannel: IEEE802.11b/g,IEEE802.11nHT20:11Channels ChannelSeparation: 5MHz TransferRate: IEEEfor802.11b: 1Mbps/2Mbps/5.5Mbps/11Mbps IEEEfor802.11g: 6Mbps/9Mbps/12Mbps/18Mbps/24Mbps/36Mbps/48Mbps/54Mbps IEEEfor802.11n(HT20): 6.5Mbps/13Mbps/19.5Mbps/26Mbps/39Mbps/52Mbps/58.5Mbps/65Mbps SampleType: MobilePortable AntennaType:FPCantenna AntennaGain:4.50dBi SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-03 Page:6of8 4RFExposureEvaluation 4.1RFExposureComplianceRequirement 4.1.1Limits AccordingtoFCCPart1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)radiationasspecifiedinpart1.1307(b) F=FrequencyinMHz FriisFormula Friistransmissionformula:Pd=(Pout*G)/(4*Pi*R 2 ) Where Pd=powerdensityinmW/cm2 Pout=outputpowertoantennainmW G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. 4.1.2TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleand highestchannelindividually. SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701600E-0…

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LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BPBC-HBF002 DR-HBF002S,DWBF02S Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPoint…

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