2A95U-GLH20WIFIHumidifier

SAFETY GUIDE GETTING TO KNOW YOUR HUMIDIFIER SPECIFICATIONS GETTING STARTED USING YOUR HUMIDIFIER MAINTENANCE AND CLEANING TROUBLESHOOTING FCC STATEMENT FCC RADIATION EXPOSURE STATEMENT ATTRIBUTIONS Warranty ····················································02 ··················04 ·················································06 ··············································06 ·····································09 ····························16 ············································18 ·················································19 ··············20 ····················································20 ·····························································21 CONTENTS 19 inches F F F F F F F F

KatmaiTechnologyLimited FederalCommunicationsCommission Authorizationand EvaluationDivision 7435OaklandMillsRoad Columbia,MD 21046 USA Date:07/19/2023 FCC ID: 2A95U-GLH20WIFI Ref. #1: AttestationStatementsPart 2.911(d)(5)(i) Filing KatmaiTechnologyLimitedcertifiesthat the equipmentfor whichauthorizationis soughtis not “covered” equipmentprohibitedfromreceivingan equipmentauthorizationpursuantto section2.903of the FCC rules. Ref. #2: AttestationStatementsPart 2.911(d)(5)(ii) Filing KatmaiTechnologyLimitedcertifiesthat,as of thedateof thefilingof the application,theapplicantis notidentifiedon theCoveredListas an entityproducing “covered” equipment. Applicant:KatmaiTechnologyLimited Address:Flat 1201,Floor12, HARVESTBUILDING29-37,WINGKUT ST CENTRALHONGKONG China ContactPerson:AmanyFeng Tel.: 13712356097 Email:[email protected] Sincerely, Signat ure:

C566091_X23_Ed2 1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: West Ryder Technology. LLC FRN: 0031646284 Contact Name: Amany Address: 2330 Paseo Del Prado STE C304 Las Vegas, Las Vegas, NV 89102 Telephone:949-903-6680 Email: [email protected] This letter is to confirm that the US Agent f or Service of Proces s accepts responsibility to act as a local representative on behalf of Katmai Technology Limited . The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Applicant: Company name:Katmai Technology Limited Product Description: Humidifier Grantee code:2A95U FCC ID:2A95U-GLH20WIFI Contact Name:Amany Feng Address:Flat 1201, Floor 12, H ARVEST BUILDING 29-37, WING KUT ST CENTRAL HONGKONG China Telephone No:13712356097 Email:[email protected] The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/07/18 Applicant’s Name:Amany FengUS Agent’s Name: Amany Feng Title:Mana gerTitle: Manager SignatureSignature

Katmai Technology Limited Date：07/19/2023 Product Model Number: GLH20WIFI FCC ID：2A95U-GLH20WIFI To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: Testing Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title:Manager Email:[email protected] Telephone:13712356097 On behalf of: Katmai Technology Limited

KatmaiTechnologyLimited Officeof EngineeringTechnology FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 USA Date: July 19, 2023 Subject;Requestfor Confidentiality FCC ID: 2A95U-GLH20WIFI To WhomIt May Concern, Pursuantto the provisionsof the Commission’s rules Title 47 Sections§0.457 and §0.459,we are requestingthe Commissionto withholdthe followingattachment(s)as confidential documentsfrom publicdisclosureindefinitely. Thesedocumentscontaindetailedsystemand equipmentdescriptionsand are consideredas proprietaryinformationin operationof the equipment.The publicdisclosureof these documentsmight be harmfulto our companyand wouldgive competitorsan unfair advantage in the market. SchematicDiagram Block Diagram Parts List OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsfor UNII devices In additionalto abovementioneddocuments,in order to complywith the marketingregulations in Title 47 CFR §2.803 and the importationrules in Title 47 CFR §2.1204,while ensuringthat businesssensitiveinformationremainsconfidentialuntil the actualmarketingof newly authorizeddevices,we requestShort Term Confidentialityof the followingattachment(s); ExternalPhotos Test SetupPhotos InternalPhotos User Manual For 45 days, pursuantto PublicNoticeDA 04-1705. OR For 180 days pursuantto KDB 726920D01. It is our understandingthat all measurementtest reports,FCC ID label formatand correspondenceduringthe certificationreviewprocesscannotbe grantedas confidential documentsand this informationwill be availablefor publicreviewonce the grant of equipment authorizationis issued. Sincerely, Signature: Name:AmanyFeng Title: Manager

AntennaSpecification Manufacture：TUYA ProductName：WBR3Antenna AntennaType：PCB TestDate：2021.05.20 Testedby：LongWang Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................6 5.EUTPhoto................................................................................................6 6.TestSetupPhoto......................................................................................7 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameWBR3Antenna Productmodel WBR3 AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400 1.6252.29 2410 1.7152.17 2420 1.9353.14 2430 1.9854.16 2440 2.0057.62 2450 2.1759.64 2460 2.4561.55 2470 2.3860.64 2480 2.5462.86 2490 2.3059.85 2500 2.4960.41 4 3.2RadiationPattern Phi02D Phi902D 5 Theta902D 2480MHz3D 6 4.AntennaDimensions 5.EUTPhoto 7 6.TestSetupPhoto

FCCID:2A95U-GLH20WIFI TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page 1 of 4 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China EUTPHOTOS(ExternalPhotos) FCCID:2A95U-GLH20WIFI TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page 2 of 4 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page 3 of 4 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page 4 of 4 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China ※※※※※ENDOFREPORT※※※※※

TUtBRO Greenland Humidifier Model Number GLH20WIFI Voltage 120V/60Hz Power 105W Capacity 20L Mist output 700-1000ml/H S/N 芘 FCC ID: 2A95U-GLH20WIFI

FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 1 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China EUTPHOTO(InternalPhotos) FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 2 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 3 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 4 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 5 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 6 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 7 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 8 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 9 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 10 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 11 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China ANT FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 12 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI Totalorpartialreproductionof thisdocumentwithoutpermissionof theLaboratoryis notallowed. Page 13 of 13 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1, Block2, TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China ※※※※※END OF REPORT※※※※※

TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page1of2 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCID:2A95U-GLH20WIFI RFExposureEvaluation Limits KDB447498D01V06Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpact ofhumanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputtothe antenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighestchannel individually. TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page2of2 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China TestResultofRFExposureEvaluation ModeChannel Output powerto antenna (dBm) Tune-up power (dBm) Output powerto antenna (mW) Power Densityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 2.4GWIFI802.11g16.6116±150.120.01791.0PASS PowerDensityatR=20cm(mW/cm 2 ):0.〈1.0Limit(mW/cm 2 ),SoaSARtestisnotrequired. Remark:antennagain=2.54dBi

TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page1of50 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China FCCTESTREPORT FCCID:2A95U-GLH20WIFI ReportNumber...................................:BTF230719R00101 DateofTest ....................................................... :June01,2023toJune21,2023 Dateofissue ......................................... :June21,2023 TestResult............................................: PASS TestingLaboratory............................: BTFTestingLab(Shenzhen)Co.,Ltd. Address ............................................... : F101,201and301,Building1,Block2,TantouIndustrialPark, TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen, China Applicant'sname ............................. :KatmaiTechnologyLimited Address ............................................... : Flat1201,Floor12,HARVESTBUILDING29-37,WINGKUTST CENTRALHONGKONGChina Manufacturer'sname ...................... :FOSHANSHUNDEDECOELECTRICAPPLIANCESCO.,LTD. Address ............................................... : No.13,XilianRoad,XihuaIndustrialZone,LeliuTown,Shunde District,FoshanCity,GuangdongProvince,China Testspecification: Standard ................................................ :FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure ..................................... : KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2013 Non-standardtestmethod ................ :N/A ThisdevicedescribedabovehasbeentestedbyBTF,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofBTF,thisdocumentmay bealteredorrevisedbyBTF,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :Humidifier Trademark ........................................... :TURBRO Model/Typereference ......................... :GLH20WIFI Ratings .................................................. : Input:AC120V/60Hz TestReportNumber:BTF230719R00101 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page2of50 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China Testingprocedureandtestinglocation: TestingLaboratory.......................................:BTFTestingLab(Shenzhen)Co.,Ltd. Address ............................................................ :F101,201and301,Building1,Block2,TantouIndustrial Park,TantouCommunity,SonggangStreet,Bao'an District,Shenzhen,China ChrisLiu Testedby(name+signature).......................: Ryan.CJ Approved(name+signature).......................: TestReportNumber:BTF230719R00101 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page3of50 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China TableofContents Page 1.VERSION....................................................................................................................................................5 2.SUMMARYOFTESTRESULTS................................................................................................................6 2.1TESTFACILITY..................................................................................................................................7 2.2MEASUREMENTUNCERTAINTY.....................................................................................................7 3.GENERALINFORMATION........................................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...................................................................................................8 3.2DESCRIPTIONOFTESTMODES.....................................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED...............................10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE).......................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.....................................................................................11 4.EMCEMISSIONTEST.............................................................................................................................13 4.1CONDUCTEDEMISSIONMEASUREMENT...................................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits.....................................................................13 4.1.2TESTPROCEDURE................................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD...................................................................................13 4.1.4TESTSETUP...........................................................................................................................14 4.1.5EUTOPERATINGCONDITIONS............................................................................................14 4.2RADIATEDEMISSIONMEASUREMENT........................................................................................17 4.2.1RADIATEDEMISSIONLIMITS...............................................................................................17 4.2.2TESTPROCEDURE................................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD...................................................................................18 4.2.4TESTSETUP...........................................................................................................................18 4.2.5EUTOPERATINGCONDITIONS...................................…

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FCCID:2A95U-GLH20WIFI TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page 1 of 2 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China EUTTESTPHOTOS FCCID:2A95U-GLH20WIFI TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed. Page 2 of 2 BTFTestingLab(Shenzhen)Co.,Ltd. F101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,China ※※※※※ENDOFREPORT※※※※※