2AQURWF31SWi-Fi Dimmer Switch

*RF warning for Mobile device: This equipment complies with FCC radiation exposure limits set for th for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Page1of1 Declarationonmodeldifference We,NIE-TECHCO.,LTDtheundersignedherebyconfirmthatthese modelsareidentical,andallmodelshavethesameRFmoduleandAntenna, exceptforcolorofenclosureandmodelNo.fortradingpurpose. ProductnameTradenameFCCIDINPUTModelNo. Wi-FiDimmerSwitchN/A2AQURWF31SAC120V,60Hz WF31S,WF31TS,M S10WS,MS13WS Confirmedby: Client’ssignature: Client’sname/title:JianghaiNie/Manager Date:2020-10-22

C5266091_X8_Ed.1 1/1 LetterofAuthorization NIE-TECHCO.,LTD Company:NIE-TECHCO.,LTD Address:Jinliancommercialcenter9001,JinxiuroadNo.2,Changan Town,DongguanCity,GuangDongProv.,CHINA ProductName:Wi-FiDimmerSwitch ModelNumber:WF31S,WF31TS,MS10WS,MS13WS FCCIdentifier:2AQURWF31S WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:JianghaiNieDate:2020-10-22 Title:Manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 NIE-TECHCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2020-10-22 Subject:RequestforConfidentiality FCCID:2AQURWF31S ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodofdaysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:JianghaiNie Title:Manager

Model:WF31S

Model : WF31S ANT

ReportNo.:PTC20092201703E-FC02 Page 1 of 7 FCCTESTREPORT FCCID:2AQURWF31S Product:Wi-FiDimmerSwitch ModelName: WF31S,WF31TS,MS10WS,MS13WS Brand: EVALOGIK ReportNo.:PTC20092201703E-FC02 Preparedfor NIE-TECHCO.,LTD Jinliancommercialcenter9001,JinxiuroadNo.2,ChanganTown,DongguanCity, GuangdongProvince,China Preparedby PreciseTesting&CertificationCo.,Ltd Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC20092201703E-FC02 Page 2 of 7 TESTRESULTCERTIFICATION Applicant’sname:NIE-TECHCO.,LTD Address: Jinliancommercialcenter9001,JinxiuroadNo.2,Changan Town,DongguanCity,GuangdongProvince,China Manufacture'sname:NIE-TECHCO.,LTD Address: Jinliancommercialcenter9001,JinxiuroadNo.2,Changan Town,DongguanCity,GuangdongProvince,China Productname:Wi-FiDimmerSwitch Modelname:WF31S,WF31TS,MS10WS,MS13WS TestprocedureKDB447498D01GeneralRFExposureGuidancev06 TestDate:Sep.24,2020toOct.12,2020 DateofIssue:Oct.12,2020 TestResult:Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,thisdocument maybealteredorrevisedbyPTS,personalonly,andshallbenotedintherevisionofthedocument. TestEngineer: LeoYang/Engineer TechnicalManager: ChrisDu/Manager ReportNo.:PTC20092201703E-FC02 Page 3 of 7 Contents Page 2TESTSUMMARY................................................................................................................................................4 3GENERALINFORMATION...............................................................................................................................5 3.1GENERALDESCRIPTIONOFE.U.T..........................................................................................................5 4RFEXPOSURE...................................................................................................................................................6 4.1REQUIREMENTS........................................................................................................................................6 4.2THEPROCEDURES/LIMIT.........................................................................................................................6 4.3MPECALCULATIONMETHOD..................................................................................................................7 4.4TESTRESULT............................................................................................................................................7 ReportNo.:PTC20092201703E-FC02 Page 4 of 7 2TestSummary TestItemsTestRequirementResult MaximumPermissibleExposure (ExposureofHumanstoRFFields) 1.1307(b)(1)PASS Remark: N/A:NotApplicable ReportNo.:PTC20092201703E-FC02 Page 5 of 7 3GeneralInformation 3.1GeneralDescriptionofE.U.T. ProductName : Wi-FiDimmerSwitch ModelName : WF31S,WF31TS,MS10WS,MS13WS Theexteriorcolorisdifferent,theothersarethesame,chooseWF31Sasthemain testmodel Specification : 802.11b/g/nHT20 OperationFrequency : 2412-2462MHzfor802.11b/g;/n(HT20) NumberofChannel : 11channelsfor802.11b/g;n(HT20) TypeofModulation : DSSSwithDBPSK/DQPSK/CCKfor802.11b; OFDMwithBPSK/QPSK/16QAM/64QAMfor802.11g/n; Antennainstallation : PCBantenna AntennaGain : 1dBi Powersupply : Adaptermodel:N/A AC100-240V50/60HZMax3.5A,250W HardwareVersion : V1.0 SoftwareVersion : V1.0 ReportNo.:PTC20092201703E-FC02 Page 6 of 7 4RFExposure TestRequirement :FCCPart1.1307(b)(1) EvaluationMethod :FCCPart2.1091 4.1Requirements Systemsoperatingundertheprovisionsofthissectionshallbeoperatedinamannerthatensuresthat thepublicisnotexposedtoradiofrequencyenergylevelsinexcesslimitformaximumpermissible exposure.Inaccordancewith47CFRFCCPart2SubpartJ,section2.1091thisdevicehasbeen definedasamobiledevicewherebyadistanceof0.2mnormallycanbemaintainedbetweentheuser andthedevice. 4.2Theprocedures/limit (A)LimitsforOccupational/ControlledExposure FrequencyRangeElectricFieldMagneticFieldPowerDensity(S)AveragingTime 0.3-3.06141.63(100)*6 3.0-301842/f4.89/f(900/f)*6 30-30061.40.1631.06 300-1500F/3006 1500-100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure FrequencyRangeElectricFieldMagneticFieldPowerDensity(S)AveragingTime 0.3-1.346141.63(100)*30 1.34-30824/f2.19/f(180/f)*30 30-30027.50.0730.230 300-1500F/150030 1500-100,0001.030 Note:f=frequencyinMHz;*Plane-waveequivalentpowerdensity ReportNo.:PTC20092201703E-FC02 Page 7 of 7 4.3MPECalculationMethod E(V/m) ＝ d GP30 PowerDensity:Pd(W/m²) ＝ 377 2 E E ＝ Electricfield(V/m) P＝PeakRFoutputpower(W) G ＝ EUTAntennanumericgain(numeric) d＝Separationdistancebetweenradiatorandhumanbody(m) Theformulacanbechangedto Pd ＝ 2 377 30 d GP   FromthepeakEUTRFoutputpower,theminimummobileseparationdistance,d=0.2m,aswellas thegainoftheusedantenna,theRFpowerdensitycanbeobtained 4.4TestResult Item Antenna Gain (numeric) Max.Peak OutputPower (dBm) PeakOutput Power(mW) PowerDensity (mW/cm2) LimitofPower Density (mW/cm2) Result WIFI1.2620.22105.200.02631Pass ******THEENDREPORT******

Page 1 of 56 FCCTESTREPORT FCCID:2AQURWF31S Product:Wi-FiDimmerSwitch ModelName: WF31S, WF31TS,MS10WS,MS13WS Brand: EVALOGIK ReportNo.: PTC20092201703E-FC01 Preparedfor NIE-TECHCO.,LTD Jinliancommercialcenter9001,JinxiuroadNo.2,ChanganTown,DongguanCity, GuangdongProvince,China Preparedby PreciseTesting&CertificationCo.,Ltd Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC20092201703E-FC01 Page 2 of 56 1TESTRESULTCERTIFICATION Applicant’sname:NIE-TECHCO.,LTD Address: Jinliancommercialcenter9001,JinxiuroadNo.2,Changan Town,DongguanCity,GuangdongProvince,China Manufacture'sname:NIE-TECHCO.,LTD Address: Jinliancommercialcenter9001,JinxiuroadNo.2,Changan Town,DongguanCity,GuangdongProvince,China Productname:Wi-FiDimmerSwitch Modelname: WF31S, WF31TS,MS10WS,MS13WS Standards:FCCCFR47Part15Section15.247 Testprocedure:ANSIC63.10:2013 TestDate:Sep.24,2020toOct.12,2020 DateofIssue:Oct.12,2020 TestResult:Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,thisdocumentmaybe alteredorrevisedbyPTC,personalonly,andshallbenotedintherevisionofthedocument. TestEngineer: LeoYang/Engineer TechnicalManager: ChrisDu/Manager ReportNo.:PTC20092201703E-FC01 Page 3 of 56 Contents Page 1TESTRESULTCERTIFICATION................................................................................................................................2 2TESTSUMMARY...........................................................................................................................................................5 3GENERALINFORMATION..........................................................................................................................................6 3.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................6 3.2CHANNELLIST......................................................................................................................................................7 3.3TESTSITE...........................................................................................................................................................10 4EQUIPMENTDURINGTEST.....................................................................................................................................11 4.1EQUIPMENTSLIST..............................................................................................................................................11 4.2MEASUREMENTUNCERTAINTY..........................................................................................................................13 4.3DESCRIPTIONOFSUPPORTUNITS....................................................................................................................14 5CONDUCTEDEMISSION...........................................................................................................................................15 5.1E.U.T.OPERATION............................................................................................................................................15 5.2EUTSETUP........................................................................................................................................................15 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)..................................................................................16 5.4MEASUREMENTPROCEDURE............................................................................................................................16 5.5CONDUCTEDEMISSIONLIMIT............................................................................................................................16 5.6MEASUREMENTDESCRIPTION...........................................................................................................................16 5.7CONDUCTEDEMISSIONTESTRESULT..............................................................................................................16 6RADIATEDSPURIOUSEMISSIONS.......................................................................................................................19 6.1EUTOPERATION...............................................................................................................................................19 6.2TESTSETUP.......................................................................................................................................................20 6.3SPECTRUMANALYZERSETUP...........................................................................................................................21 6.4TESTPROCEDURE.............................................................................................................................................22 6.5SUMMARYOFTESTRESULTS...........................................................................................................................23 7CONDUCTEDSPURIOUSEMISSION.....................................................................................................................30 7.1TESTPROCEDURE.............................................................................................................................................30 7.2TESTRESULT.....................................................................................................................................................30 8BANDEDGEMEASUREMENT................................................................................................................................32 ReportNo.:PTC20092201703E-FC01 Page 4 of 56 8.1TESTPROCEDURE.............................................................................................................................................32 8.2TESTRESULT........…

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Conducted Emissions Radiated Spurious Emissions From 30MHz-1000MHz Model:WF31S TestfrequencyfromAbove1GHz