2BRMO-TX19Outdoor Sensor

TX19Manual OUTDOORSENSOR 1.Wirelesssignalindicator(Flasheswhendataisbeingsenttothedisplayunit) 2.Wallmounthole 3.Channelselector,selectexternalsensorchannel 4.Compartment2xAAAbatteries FIRSTOPERATION 1.Openthebatterycompartmentcover. 2.Setthedesiredchannelwiththeswitch.Ifyouareusingonlyonetransmitter,please leavetheselectionat“1”. 3.Insert2new“AAA”1.5Vbatteriesobservingcorrectpolarity. 4.Closethebatterycompartmentcoverandsettheunitinthedesiredlocation. Note:Althoughtheoutdoorsensorisweatherproof,itshouldnotbeplacedinplaces exposedtodirectsunlight,rainorsnow PositioningtheWirelessoutdoorTransmitter: OncetheForecastStationshowstheoutdoortemperature,placeitandthe transmitterinthedesiredlocationsandwaitapproximately1-hourbefore permanentlymountingthetransmittertoensurethatthereisproperreception. Thetransmittershouldbemountedvertically,inashaded,protectedarea,at least1.3mfromthegroundtoavoiddamageandensureaccuratereadings. Thetransmitteriswaterresistant,notwaterproofandshouldnotbeplaced anywhereitwillbecomesubmergedinwaterorsubjecttostandingwateror snow. WALLMOUNT: 1.Chooseashadedlocationwithanoverhangforthetransmitter,thatiswithinthe confirmedwirelessreceptionrangeoftheForecastStationforaccuracy. 2.Installonemountingscrew(notincluded)intoawallleavingapproximately1/2ofan inch(12.7mm)extended. 3.Placethehanginghole(onthebackofthetransmitter)ontothemountingscrewand gentlyslidethetransmitterdownontothemountingscrewtosecureitintoplace. FCCCaution: Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing twoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevice mustacceptanyinterferencereceived,includinginterferencethatmaycauseundesired operation. Anychangesormodificationsnotexpresslyapprovedbythepartyresponsiblefor compliancecouldvoidtheuser'sauthoritytooperatetheequipment. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB digitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide reasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.This equipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalled andusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurina particularinstallation. Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedto trytocorrecttheinterferencebyoneormoreofthefollowingmeasures: --Reorientorrelocatethereceivingantenna. --Increasetheseparationbetweentheequipmentandreceiver. --Connecttheequipmentintoanoutletonacircuitdifferent fromthattowhichthereceiverisconnected. --Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevice canbeusedinportableexposureconditionwithoutrestriction.

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BRMO-TX19TX19 We, Applicant CompanyName:FuzhouSmartwellElectronicsTechnology Co.,Ltd Address:1106,11thFloor,Building19,PhaseII, InnovationPark,No.7WulongjiangMiddle Avenue,MinhouCounty,Fuzhou,Fujian, China Phone:13172459540 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-08-20 SignatureDate PrintedNameofSignee:XianghuiLin Company:FuzhouSmartwellElectronics TechnologyCo.,Ltd Phone:13172459540 Email:[email protected] Address:1106,11thFloor,Building19, PhaseII,InnovationPark,No.7Wulongjiang MiddleAvenue,MinhouCounty,Fuzhou, Fujian,China Fax:N/A

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BRMO-TX19TX19 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-08-20 SignatureDate PrintedNameofSignee/Title:XianghuiLin/GeneralManager Company:FuzhouSmartwellElectronicsTechnologyCo.,Ltd Address:1106,11thFloor,Building19,PhaseII,InnovationPark,No.7WulongjiangMiddle Avenue,MinhouCounty,Fuzhou,Fujian,China Phone:13172459540 Fax:N/A Email:[email protected]

ReportNo.:CISRR250806033 Page:21of25 7.EXTERNALANDINTERNALPHOTOS 7.1Externalphotos ReportNo.:CISRR250806033 Page:22of25

FCCID:2BRMO-TX19 Label Size:10mm*10mm FCCID:2BRMO-TX19 LabelLocation

ReportNo.:CISRR250806033 Page:23of25 7.2Internalphotos ReportNo.:CISRR250806033 Page:24of25 ANT ReportNo.:CISRR250806033 Page:25of25 ------Endofthereport------

RFExposureevaluation FCCID2BRMO-TX19 ProductNameOutdoorSensor Model/Type reference TX19 ExposurecategoryGeneralpopulation/uncontrolledenvironment EUTTypeProductionUnit DeviceTypePortableDevice 1.Reference ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposureto RadioFrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortable DevicesRFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1Standalone SARtestexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposure KDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneral populationexposureconditions,bymeasurementornumericalsimulation,isnotrequired whenthecorrespondingSARTestExclusionThresholdcondition,listedbelow,issatisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions.22The minimumtestseparationdistanceisdeterminedbythesmallestdistancefromtheantenna andradiatingstructuresoroutersurfaceofthedevice,accordingtothehostformfactor, exposureconditionsandplatformrequirements,toanypartofthebodyorextremityofauser orbystander(see5)ofsection4.1).ToqualifyforSARtestexclusion,thetestseparation distancesappliedmustbefullyexplainedandjustifiedbytheoperatingconfigurationsand exposureconditionsofthetransmitterandapplicablehostplatformrequirements,typicallyin theSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRF exposureKDBprocedures.WhennootherRFexposuretestingorreportingisrequired,a statementofjustificationandcompliancemustbeincludedintheequipmentapproval,inlieuof theSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfied beforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-way radios,handsets,laptops&tabletsetc.23” [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto5)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportable hostplatformexposureconditions.Thegranteeisresponsiblefordocumentingthisaccording toClassIpermissivechangerequirements.AntennasthatqualifyforstandaloneSARtest exclusionmustapplytheestimatedstandaloneSARtodeterminesimultaneoustransmission testexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantenna configuration,adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤ 1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is ≤1.0. 3.ConductedPeakOutputPower TXfrequencyrange:433.92MHz Devicecategory:Portabledevice(Distance:5mm)Max.FieldStrength:65.741dBuV/m@3m EIRP=E-104.8+20logD=65.741-104.8+20log3=-29.42dBm MaximumConductedOutputPower:-29.42dBm Tune-up:-29±1 4.EvaluationResult Band/Modef(GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW ASK0.4335-28 0.00158 0.000209<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)in section4.1isappliedtodetermineSARtestexclusion. 5.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolled RFExposureandSARExclusionThresholdperKDB447498v06. ------Endofthereport------

ManufacturerFUZHOU EWETIME ELECTRONIC CO.,LTD Address2nd and 3rd Floors, Building 3, No. 97, Taiyu Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province, China TX19 Spring 2021-08-18 Antenna Product Name: Product Model: TX19 Issued Date: ANTENNA Peak Gain: DATA SHEET 0dBi Product Drawing(Unit:mm) Radiation pattern

ReportNo.:CISRR250806033 Page:1of26 TESTREPORT ReportNo.:CISRR250806033 ProjectNo. CISR250806033 FCCID 2BRMO-TX19 Applicant: FuzhouSmartwellElectronicsTechnologyCo.,Ltd Address: 1106,11thFloor,Building19,PhaseII,InnovationPark,No.7Wulongjiang MiddleAvenue,MinhouCounty,Fuzhou,Fujian,China ManufacturerFuzhouSmartwellElectronicsTechnologyCo.,Ltd Address 1106,11thFloor,Building19,PhaseII,InnovationPark,No.7Wulongjiang MiddleAvenue,MinhouCounty,Fuzhou,Fujian,China ProductName:OutdoorSensor TradeMark: N/A Model/Typereference:TX19 ListedModel(s):N/A Standard:Part15SubpartCSection15.231 Testdate: August7,2025toAugust11,2025 Issuedate August14,2025 Testresult:Complied Preparedby:JimmyHuangApprovedby:GenryLong Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. ReportNo.:CISRR250806033 Page:2of26 Contents 1.REPORTVERSION.........................................................................................................................................3 2.SUMMARYOFTESTRESULT.......................................................................................................................5 3.SUMMARY.....................................................................................................................................................6 3.1.ProductDescription....................................................................................................................................6 3.2.RadioSpecificationDescription................................................................................................................6 3.3.ModificationofEUT.....................................................................................................................................6 3.4.TestingSite...................................................................................................................................................6 3.5.FieldStrengthCalculation..........................................................................................................................6 3.6.DISTURBANCECalculation........................................................................................................................7 4.TESTCONFIGURATION.............................................................................................................................8 4.1.Testfrequencylist.......................................................................................................................................8 4.2.Testmode.....................................................................................................................................................8 4.3.Supportunitusedintestconfigurationandsystem...............................................................................8 4.4.Testsampleinformation.............................................................................................................................8 4.5.Testingenvironmentalcondition...............................................................................................................9 4.6.Statementofthemeasurementuncertainty.............................................................................................9 4.7.EquipmentUsedduringtheTest.............................................................................................................10 5.TESTCONDITIONSANDRESULTS.....................................................................................................11 5.1.AntennaRequirement...............................................................................................................................11 5.2.ACConductedEmission...........................................................................................................................12 5.3.20dBBandwidth........................................................................................................................................13 5.4.RadiatedSpuriousEmission....................................................................................................................14 5.6SilentPeriodTime......................................................................................................................................19 5.5.DutycycleFactor.......................................................................................................................................20 6.TESTSETUPPHOTOS............................................................................................................................21 7.EXTERNALANDINTERNALPHOTOS.................................................................................................22 7.1Externalphotos...........................................................................................................................................22 7.2Internalphotos............................................................................................................................................24 ReportNo.:CISRR250806033 Page:3of26 1.1.RadioSpecificationDescription Technology:SRD Modulation:ASK Operationfrequency:433.92MHz ChannelNumber:1 Antennatype:Springantenna Antennagain:0dBi ReportNo.:CISRR250806033 Page:4of26 2.REPORTVERSION VersionNo.IssuedateDescription 00August14,2025Original ReportNo.:CISRR250806033 Page:5of26 3.SUMMARYOFTESTRESULT Report clause TestItemStandardRequirementResult 5.1AntennaRequirement15.203PASS 5.2ACConductedEmission15.207PASS 5.320dBBandwidth15.231(c)PASS 5.4RadiatedSpuriousEmission15.231(e)/15.205/15.209PASS 5.5Silentperiodtime15.231(e)PASS 5.6DutycycleFactor15.231PASS Note: ‒Themeasurementuncertaintyisnotincludedinthetestresult. ReportNo.:CISRR250806033 Page:6of26 4.SUMMARY 4.1.ProductDescription Mainunitinformation: ProductName:OutdoorSensor TradeMark:N/A ModelNo.:TX19 ListedModel(s):N/A Modeldifference:N/A Powersupply:Input:DC5V Hardwareversion:N/A …

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ReportNo.:CISRR250806033 Page:20of25 6.TESTSETUPPHOTOS RadiatedSpuriousEmission(Above1GHz) RadiatedSpuriousEmission(below1GHz)