2BPBC-HSH045Smart Wall-Mounted Heater

Photographs-EUTConstructionalDetails FCC ID: 2BPBC-HSH045 Antenna

1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2BPBC-HSH045 Above1GHz: 1.2 ConductedEmission 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.:CQASZ20260601189E-01 Applicant: DREOPTE.LTD. AddressofApplicant: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 EquipmentUnderTest(EUT): Product:SmartWall-MountedHeater ModelNo.:DR-HSH045S,DWSH45S TestModelNo.:DWSH45S BrandName:DREO,DREOHOME FCCID:2BPBC-HSH045 Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt: 2026-06-08 DateofTest: 2026-06-08to2026-06-16 DateofIssue: 2026-07-09 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-01 Page: 2 of 29 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260601189E-01Rev.01Initialreport2026-07-09 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-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.:CQASZ20260601189E-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)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260601189E-02 Applicant: DREOPTE.LTD. AddressofApplicant: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 EquipmentUnderTest(EUT): Product:SmartWall-MountedHeater ModelNo.:DR-HSH045S,DWSH45S TestModelNo.:DWSH45S BrandName:DREO,DREOHOME FCCID:2BPBC-HSH045 Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt: 2026-06-08 DateofTest: 2026-06-08to2026-06-16 DateofIssue: 2026-07-09 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove . TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-02 Page:2of42 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260601189E-02Rev.01 Initialreport 2026-07-09 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-02 Page:3of42 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.:CQASZ20260601189E-02 Page:4of42 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.:CQASZ20260601189E-02 Page:5of42 3Contents Page 1VERSION......................................................................................................................................................................2 2TESTSUMMARY........................................................................................................................................................3 3CONTENTS..................................................................................................................................................................5 4GENERALINFORMATION.......................................................................................................................................6 4.1CLIENTINFORMATION.............................................................................................................................................6 4.2GENERALDESCRIPTIONOFEUT..........................................................................................................................6 4.3PRODUCTSPECIFICATIONSUBJECTIVETOTHISSTANDARD................................................................................6 4.4TESTENVIRONMENTANDMODE...........................................................................................................................9 4.5DESCRIPTIONOFSUPPORTUNITS......................................................................................................................10 4.6TESTLOCATION....................................................................................................................................................10 4.7TESTFACILITY......................................................................................................................................................10 4.8TESTCONFIGURATION..........................................................................................................................................10 4.9STATEMENTOFTHEMEASUREMENTUNCERTAINTY...........................................................................................11 4.10DEVIATIONFROMSTANDARDS..........................................................................................................................11 4.11ABNORMALITIESFROMSTANDARDCONDITIONS..............................................................................................11 4.12OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..................................................................................11 4.13EQUIPMENTLIST................................................................................................................................................12 5TESTRESULTSANDMEASUREMENTDATA..................................................................................................13 5.1ANTENNAREQUIREMENT................................................................................................................................…

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CQASZ20260601189E-01 AppendixA:DTSBandwidth TestResult TestModeFreq(MHz) DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1M 24020.732401.622402.350.5PASS 24400.742439.622440.350.5PASS 24800.742479.622480.350.5PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFreq(MHz) OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24021.0432401.46852402.5115------ 24401.0432439.46852440.5115------ 24801.0432479.46852480.5115------ TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeFreq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M 24026.77≤30PASS 24407.93≤30PASS 24805.29≤30PASS TestGraphsPeak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixD:Maximumpowerspectraldensity TestResult TestModeFreq(MHz)Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1M 2402-9.92≤8.00PASS 2440-8.64≤8.00PASS 2480-11.28≤8.00PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixF:Bandedgemeasurements TestResult TestModeChNameFreq(MHz)RefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1M Low24025.80-42.53≤-14.2PASS High24804.21-42.5≤-15.79PASS TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 AppendixG:ConductedSpuriousEmission TestResult TestModeFreq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1M 2402 Reference5.505.50---PASS 30~10005.50-50.5≤-14.5PASS 1000~265005.50-48.62≤-14.5PASS 2440 Reference6.826.82---PASS 30~10006.82-52.4≤-13.18PASS 1000~265006.82-47.65≤-13.18PASS 2480 Reference4.004.00---PASS 30~10004.00-51.25≤-16PASS 1000~265004.00-48.48≤-16PASS TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 AppendixH:DutyCycle TestResult TestModeFreq(MHz) ON Time [ms] Period [ms] DC [%] xFactor LimitVerdict BLE_1M 2402 // 100.00 / ------ 2440 // 100.00 / ------ 2480 // 100.00 / ------ TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480

CQASZ20260601189E-02 AppendixA:DTSBandwidth TestResult TestModeFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11B 241212.282405.842418.120.5PASS 243712.322430.842443.160.5PASS 246212.642455.442468.080.5PASS 11G 241216.802403.482420.280.5PASS 243716.122429.002445.120.5PASS 246215.802454.122469.920.5PASS 11N20SISO 241215.482404.202419.680.5PASS 243715.762429.122444.880.5PASS 246215.282454.202469.480.5PASS TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 AppendixB:OccupiedChannelBandwidth TestResult TestMode Channel Frequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11B 241215.2252404.36762419.5924------ 243715.1852429.40762444.5924------ 246215.1052454.36762469.4725------ 11G 241217.1032403.36862420.4715------ 243716.8632428.68832445.5514------ 246216.8632453.48852470.3516------ 11N20SISO 241217.7022403.08892420.7912------ 243717.8622428.32872446.1908------ 246217.4632453.20882470.6713------ TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 AppendixC:Maximumconductedoutputpower TestResultAverage Test Mode Frequency[M Hz] Result[dBm]Limit[dBm]Verdict 11B 241212.96≤30.00PASS 243713.27≤30.00PASS 246212.59≤30.00PASS 11G 24128.98≤30.00PASS 24379.09≤30.00PASS 24628.41≤30.00PASS 11N20SISO 24128.81≤30.00PASS 24378.95≤30.00PASS 24628.29≤30.00PASS TestGraphsAverage 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 AppendixD:Maximumpowerspectraldensity TestResult TestModeFrequency[MHz]Result[dBm/3-100kHz]Limit[dBm/3kHz]Verdict 11B 2412-11.21≤8.00PASS 2437-11.25≤8.00PASS 2462-11.83≤8.00PASS 11G 2412-16.28≤8.00PASS 2437-16.82≤8.00PASS 2462-17.45≤8.00PASS 11N20SISO 2412-18.90≤8.00PASS 2437-19.21≤8.00PASS 2462-19.95≤8.00PASS TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 AppendixE:Referencelevelmeasurement TestResult TestModeFreq(MHz)Max.Point[MHz]Result[dBm] TestModeChannelFreqResult TestGraphs Maximumpowerspectraldensity AppendixF:Bandedgemeasurements TestResult TestModeChNameFrequency[MHz]RefLevel[dBm]Result[dBm]Limit[dBm]Verdict 11B Low24121.86-42.73≤-28.14PASS High24621.11-42.55≤-28.89PASS 11G Low2412-2.01-42.69≤-32.01PASS High2462-2.50-42.1≤-32.5PASS 11N20SISO Low2412-2.02-42.78≤-32.02PASS High2462-2.64-42.54≤-32.64PASS TestGraphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 11G_Ant1_High_2462 11N20SISO_Ant1_Low_2412 11N20SISO_Ant1_High_2462 AppendixG:ConductedSpuriousEmission TestResult TestModeFrequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11B 2412 Reference1.371.37---PASS 30~10001.37-50.45≤-28.63PASS 1000~265001.37-45.22≤-28.63PASS 2437 Reference0.440.44---PASS 30~10000.44-50.45≤-29.56PASS 1000~265000.44-45.81≤-29.56PASS 2462 Reference0.770.77---PASS 30~10000.77-50.55≤-29.23PASS 1000~265000.77-45.52≤-29.23PASS 11G 2412 Reference-5.28-5.28---PASS 30~1000-5.28-50.96≤-35.28PASS 1000~26500-5.28-47.14≤-35.28PASS 2437 Reference-3.77-3.77---PASS 30~1000-3.77-52.04≤-33.77PASS 1000~26500-3.77-47.3≤-33.77PASS 2462 Reference-5.69-5.69---PASS 30~1000-5.69-51.15≤-35.69PASS 1000~26500-5.69-47.29≤-35.69PASS 11N20SISO 2412 Reference-5.55-5.55---PASS 30~1000-5.55-52.11≤-35.55PASS 1000~26500-5.55-46.83≤-35.55PASS 2437 Reference-4.87-4.87---PASS 30~1000-4.87-50.96≤-34.87PASS 1000~26500-4.87-47.46≤-34.87PASS 2462 Reference-5.04-5.04---PASS 30~1000-5.04-51.12≤-35.04PASS 1000~26500-5.04-46.87≤-35.04PASS TestGraphs 11B_Ant1_2412_0~Reference 11B_Ant1_2412_30~1000 11B_Ant1_2412_1000~26500 11B_Ant1_2437_0~Reference 11B_Ant1_2437_30~1000 11B_Ant1_2437_1000~26500 11B_Ant1_2462_0~Reference 11B_Ant1_2462_30~1000 11B_Ant1_2462_1000~26500 11G_Ant1_2412_0~Reference 11G_Ant1_2412_30~1000 11G_Ant1_2412_1000~26500 11G_Ant1_2437_0~Reference 11G_Ant1_2437_30~1000 11G_Ant1_2437_1000~26500 11G_Ant1_2462_0~Reference 11G_Ant1_2462_30~1000 11G_Ant1_2462_1000~26500 11N20SISO_Ant1_2412_0~Reference 11N20SISO_Ant1_2412_30~1000 11N20SISO_Ant1_2412_1000~26500 11N20SISO_Ant1_2437_0~Reference 11N20SISO_Ant1_2437_30~1000 11N20SISO_Ant1_2437_1000~26500 11N20SISO_Ant1_2462_0~Reference 11N20SISO_Ant1_2462_30~1000 11N20SISO_Ant1_2462_1000~26500 AppendixH:DutyCycle TestResult TestModeFrequency[MHz] Transmission Duration[ms] Transmission Period[ms] DutyCycle [%] 11B 24120.991.0198.02 24370.991.0198.02 24620.991.0099.00 11G 24120.690.7098.57 24370.690.7098.57 24620.690.7098.57 11N20SISO 24120.650.6698.48 24370.650.6698.48 24620.650.6698.48 TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462

SPECIFICATION SPECIFICATION SHEETFORAPPROVAL （Revision：R：A0） CUSTOMERHesungInnovationLimited CSP/N TESTMODEL HSH045S PARTNAMEWIFIAntennacomponents FREQUENCY2400-2500MHz ZTXNO.2.00003024 DATE2026-06-11 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:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents Editor:Page 1 of7 Revisionhistory EditionDatestate A02026-06-11Firstedition ANTENNASPECIFICATION CUSP/N:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents Editor:Page 2 of7 Index Revisionhistory 1 Index 2 1MechanicalSpecification 3 1-1 MechanicalSpecification(WIFIAntennacomponents) 3 2Testequipment 4 3TestResultsSummary 5 3-1Activetest 5 3-2S11 5 3-3Passivetest 5 3-42D/3DRadiationPatternResults 6 3-5Environmentaltreatment 7 ANTENNASPECIFICATION CUSP/N:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents Editor:Page 3 of7 1.MechanicalSpecification 1-1MechanicalConfiguration(WIFIAntennacomponents) ANTENNASPECIFICATION CUSP/N:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents Editor:Page 4 of7 2.Testequipment ANTENNASPECIFICATION CUSP/N:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents Editor:Page 5 of7 3.TestResultsSummary 3-1Activetest 3-2S11 3-3Passivetest ANTENNASPECIFICATION CUSP/N:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents Editor:Page 6 of7 3-42D/3DRadiationPatternResults ANTENNASPECIFICATION CUSP/N:HSH045S_WIFIAntennacomponents ApplicationDate:Jun,11,2026Rev:R:A0 ZTXP/N: HSH045S_WIFIAntennacomponents 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.:CQASZ20260601189E-03 Applicant: DREOPTE.LTD. AddressofApplicant: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 EquipmentUnderTest(EUT): Product:SmartWall-MountedHeater ModelNo.:DR-HSH045S,DWSH45S TestModelNo.:DWSH45S BrandName:DREO,DREOHOME FCCID:2BPBC-HSH045 Standards:47CFRPart1.1307 47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt: 2026-06-08 DateofTest: 2026-06-08to2026-06-16 DateofIssue: 2026-07-09 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-03 Page:2of8 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260601189E-03Rev.01 Initialreport 2026-07-09 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-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.:CQASZ20260601189E-03 Page:4of8 3GeneralInformation 3.1ClientInformation Applicant: DREOPTE.LTD. AddressofApplicant: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 Manufacturer: DREOPTE.LTD. AddressofManufacturer: 1COLEMANSTREET,#05-05,THEADELPHI,SINGAPORE179803 Factory:NingboBiyiTechnologyCo.,Ltd. AddressofFactory:No.106.BinhaiAvenue,Xiaocao'eTown,YUYAOZhejiang315400CHINA Factory:FUHAODA(THAILAND)CO.,LTD. AddressofFactory:247/8Moo.10NonglakokSubdistrict,BAANKAIDISTRICTRayong21120, THAILAND 3.2GeneralDescriptionofEUT ProductName: SmartWall-MountedHeater ModelNo.: DR-HSH045S,DWSH45S TestModelNo.: DWSH45S TradeMark: DREO,DREOHOME SoftwareVersion: V1.0 HardwareVersion: V1.0 EUTPowerSupply: AC120V60Hz 3.3GeneralDescriptionofBLE OperationFrequency: 2402MHz~2480MHz BluetoothVersion: BluetoothSpec5.3 ModulationType: GFSK NumberofChannel: 40 TransferRate:1Mbps SampleType: MobilePortable AntennaType:FPCantenna AntennaGain:4.35dBi SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-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:4.35dBi SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260601189E-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 Soft…

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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-HSH045 DR-HSH045S,DWSH45S Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder HesungInnovationCorp DREOPTE.LTD. SignatureSignature CompanyName: HesungInnovationCorp DREOPTE.LTD. FRN: 0036816387 0031685647 ContactName: GlenZhangGlenzhang Address: 377ValleyRd,Unit#2686Clifton,NJ 07013UnitedStates 1COLEMANSTREET,#05-05, THEADELPHI,SINGAPORE 179803 Phone: (929)501-5877 0755-26648642 Email: [email protected] [email protected]

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Photographs-EUTConstructionalDetails FCC ID: 2BPBC-HSH045

DREOPTE.LTD. ModelConfirmationLetter We,DREOPTE.LTD.certifytheproduct: SmartWall-MountedHeater ModelNo.: DR-HSH045S,DWSH45S FCCID:2BPBC-HSH045 Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringareidentical, Onlythebrandnameweredifferent. Signiture: GranteeContact:Glenzhang CompanyName:DREOPTE.LTD. Date:July11,2026

Page 1 of 1 Rev.2.0 DREO PTE. LTD. WIFI Channel 12 and 13 Declaration Letter We declare the equipment identified below with regards to Channel 12 and 13 capabilities for FCC ID: 2BPBC-HSH045 Declaration Product hardware does not have the capability to operate on Channel 12 and 13. Product hardware has the capability to operate on Channel 12 and 13. However, these two channels will be disabled via software and will not be accessible to user. Product hardware has the capability to operate on Channel 12 and 13. However, all the operated channels can’t be changed in the RF parameter via software. All channels have complied with all of the requirements sets out in FCC Part 15.247. Product hardware has the capability to operate on WiFi Channel 12 and 13, and meets the requirements of KDB 594280 D01 v02r01. Please note: 1.) By default, this device operates in a mode that is compliant with the U.S. requirements. 2.) This device will also use supplemental information such as geo- location data to determine that it is operating outside the U.S., if necessary, to change its power. Such supplemental data will be derived from the following: Global Navigation Sate…

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