2A3O9-LF500MSAroma Diffuser

WestRyderTechnology.LLC 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:WestRyderTechnology.LLC Address:2330PaseoDelPradoSTEC304LasVegas,LasVegas,NV89102 ProductName:AromaDiffuser FCCID:2A3O9-LF500MS Model(s):LF500MS 2.911(d)(5)(i)EquipmentType We,WestRyderTechnology.LLCcertifythattheequipmentforwhichauthorizationissoughtthrough certificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:Date:2023.02.07 TitleandCompanyname:Manager/WestRyderTechnology.LLC NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

WestRyderTechnology.LLC 2.911(d)(5)(ii)ApplicantAttestationv1.2 Section 2.9 11(d)(5)(ii) Certification – Applicant (Covered Lis t) Company name:West Ryder Technology. LLC Address:2330 Paseo Del Prado STE C304 Las Vegas, Las Vegas, NV 89102 Product Name:Aroma Diffuser FCC ID: 2A3O9-LF500MS Model(s):LF500MS 2.911(d)(5)(ii) Applicant filing We, West Ryder Technology. LLC certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name:Date:2023.02.07 Title and Companyname:Manager/ WestRyderTechnology.LLC NOTE1 Deleteoptionnot applicableto this application. NOTE2 “CoveredList”; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

West Ry der Technology. LLC 2.911 (d)(7)USA Agent v1.2 Section 2.911(d)(7) USAAgent for Service of Process Company name:West Ryd er Tech nology. LLC Address: 2330 Pase o Del Prado STE C304 Las Vegas, Las Vegas, NV 89102 Product Name:Aroma Diffuse r FCC ID:2A3O9-LF500MS Model(s) :LF500MS 2.911(d)(7) USA Designated Agent for Service of Process We, West Ryd er Tech nology. LLC for the purpose of acce pting se rvice of proce ss on behalf of the applica nt. Applicant consent:We A ckn owledge our co nse nt to acce pt se rvice of proce ss in the United States for matters related to the applica ble equipment, and at the physi ca l U.S. address and email address of the desi gnated agent and ackn owledge our acce ptance of our obligation to maintain an agent for se rvice of proce ss in the United States for no less than one year after either the grantee has permanently terminated all marke ting and importation of the applica ble equipment within the U.S., or the co ncl u si on of any Commissi on-related administ rative or judici al proce eding involvi ng the equipment, which ever is later. Agent obligation:We Ackn owledge our obligation to acce pt se rvice of proce ss in the United States for matters related to the applica ble equipment at our physi ca l U.S. address and email address for no less than one year after either the grantee has permanently terminated all marke ting and importation of the applica ble equipment within the U.S., or the co n cl usi on of any Commissi on-related administ rative or judici al proce eding involvi ng the equipment, which eve r is later. USA Agent Company name: West Ryder Technology. LLC Address: 2330 Paseo Del Prado STE C304 Las Vegas, Las Vegas, NV 89102 FRN: 0031646284 Contact Name:Amany Feng Telephone No:949-903-6680 Email:[email protected] Applica nt Company name:West Ryder Tech nology. LLC Address: 2330 Pase o Del Prado STE C304 Las Vegas, Las Vegas, NV 89102 FCC Grantee Code: 2A3O9 Contact Name:Amany Feng Telephone No:949-903-6680 Email:amany.feng@sa inst ore.com Signature: Title:Manager Signature: Title:Manager Date:2023.02.10Date: 2023.02.10 WestRyderTechnology.LLC 2.911(d)(7)USAAgentv1.2 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

WestRyderTechnology.LLC AgentAuthorization Company:WestRyderTechnology.LLC Address:2330PaseoDelPradoSTEC304LasVegas,LasVegas,NV89102 ProductName:AromaDiffuser ModelNumber(s):LF500MS ProductDescription:AromaDiffuser WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2023.02.04 Name:AmanyFeng Title:Manager Company:WestRyderTechnology.LLC

WestRyderTechnology.LLC OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023.02.04 Subject;RequestforConfidentiality FCCID:2A3O9-LF500MS ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:AmanyFeng Title:Manager

FCCID:2A3O9-LF500MS EUTPHOTOS(ExternalPhotos) FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS

7 FCC ID：2A3O9-LF500MS LabelLocation

FCCID:2A3O9-LF500MS EUTPHOTO(InternalPhotos) FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS FCCID:2A3O9-LF500MS ANT FCCID:2A3O9-LF500MS ※※※※※ENDOFREPORT※※※※※

FCCID:2A3O9-LF500MS RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(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 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. 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 2.4GWIFI 802.11b14.114±131.620.00631.0PASS 802.11g16.7716±150.120.01001.0PASS 802.11n(HT20)17.3417±163.100.01351.0PASS PowerDensityatR=20cm(mW/cm 2 ):0.0135〈1.0Limit(mW/cm 2 ),SoaSARtestisnotrequired. Remark:Antennagain=2.54dBi

SHANGHAI DEMAN INFORMATION TECHNOLOGY CO.,LTD. CUSTOMER NAME: 涂鸦科技 PRODUCT NAME: Ren Feng P/N: 印刷天线 Page 1 Ren Feng P/N: 印刷天线 WRITED: 汪龙 DATE:20190520 VERSIONS:A Measurement data Page 2 Frequency (MHz) 240024502500 Return Loss-8.73-11.76-11.21 VSWR 2.161.711.77 Radiation pattern Z Y Page 3 X Directivity Diagram Z Y X XY XZ Page 4 YZ Freq.（MHz）Effi(%)Gain (dBi) 2400 52.29 1.62 2410 52.17 1.71 2420 53.14 1.93 2430 54.16 1.98 Efficiency&Gain Page 5 2440 57.62 2.00 2450 59.64 2.17 2460 61.55 2.45 2470 60.64 2.38 2480 62.86 2.54 2490 59.85 2.30 2500 60.41 2.49

ProjectNo.:ZKT-221221L9595E Page 1 of 51 FCCTESTREPORT FCCID:2A3O9-LF500MS ReportNumber...................................:ZKT-221221L9595E DateofTest.......................................................:Dec.15,2022toJan.04,2023 Dateofissue.........................................:Jan.04,2023 Totalnumberofpages .......................... 51 TestResult ............................................ : PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................:WestRyderTechnology.LLC Address ............................................... : 2330PaseoDelPradoSTEC304LasVegas,LasVegas,NV89102 Manufacturer'sname......................: Oufa(Dongguan)EnvironmentalProtectionTechnologyCo., Ltd Address...............................................: 4thfloor,BuildingB,Jie'anIndustrialPark,ChangpingTown, DongguanCity Testspecification: Standard................................................:FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure ..................................... : KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2013 Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-110_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :AromaDiffuser Trademark...........................................:Airthereal Model/Typereference.........................:LF500MS Ratings..................................................: Input:100-240V~50/60Hz1A Output:24V1.5A,36W ProjectNo.:ZKT-221221L9595E Page 2 of 51 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: TomZou Reviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-221221L9595E Page 3 of 51 TableofContents Page 1.VERSION5 2.SUMMARYOFTESTRESULTS6 2.1TESTFACILITY7 2.2MEASUREMENTUNCERTAINTY7 3.GENERALINFORMATION8 3.1GENERALDESCRIPTIONOFEUT8 3.2DESCRIPTIONOFTESTMODES9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)10 3.5EQUIPMENTSLISTFORALLTESTITEMS11 4.EMCEMISSIONTEST13 4.1CONDUCTEDEMISSIONMEASUREMENT13 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS13 4.1.2TESTPROCEDURE13 4.1.3DEVIATIONFROMTESTSTANDARD13 4.1.4TESTSETUP14 4.1.5EUTOPERATINGCONDITIONS14 4.1.6TESTRESULT14 4.2RADIATEDEMISSIONMEASUREMENT17 4.2.1RADIATEDEMISSIONLIMITS17 4.2.2TESTPROCEDURE17 4.2.3DEVIATIONFROMTESTSTANDARD18 4.2.4TESTSETUP18 4.2.5EUTOPERATINGCONDITIONS19 4.2.6TESTRESULTS19 5.RADIATEDBANDEMISSIONMEASUREMENT29 5.1TESTREQUIREMENT:29 5.2TESTPROCEDURE29 5.3DEVIATIONFROMTESTSTANDARD29 5.4TESTSETUP30 5.5EUTOPERATINGCONDITIONS30 5.6TESTRESULT31 6.POWERSPECTRALDENSITYTEST33 6.1APPLIEDPROCEDURES/LIMIT33 6.2TESTPROCEDURE33 6.3DEVIATIONFROMSTANDARD33 6.4TESTSETUP33 ProjectNo.:ZKT-221221L9595E Page 4 of 51 6.5EUTOPERATIONCONDITIONS33 6.6TESTRESULT34 7.CHANNELBANDWIDTH&99%OCCUPYBANDWIDTH40 7.1APPLIEDPROCEDURES/LIMIT40 7.2TESTPROCEDURE40 7.3DEVIATIONFROMSTANDARD40 7.4TESTSETUP40 7.5EUTOPERATIONCONDITIONS40 7.6TESTRESULT41 8.PEAKOUTPUTPOWERTEST44 8.1APPLIEDPROCEDURES/LIMIT44 8.2TESTPROCEDURE44 8.3DEVIATIONFROMSTANDARD44 8.4TESTSETUP44 8.5EUTOPERATIONCONDITIONS44 8.6TESTRESULT45 9.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION46 9.1APPLICABLESTANDARD46 9.2TESTPROCEDURE46 9.3DEVIATIONFROMSTANDARD46 9.4TESTSETUP46 9.5EUTOPERATIONCONDITIONS46 9.6TESTRESULTS46 10.ANTENNAREQUIREMENT50 11.TESTSETUPPHOTO51 12.EUTCONSTRUCTIONALDETAILS51 ProjectNo.:ZKT-221221L9595E Page 5 of 51 1.VERSION ReportNo.VersionDescriptionApproved ZKT-221221L9595ERev.01InitialissueofreportJan.04,2023 ProjectNo.:ZKT-221221L9595E Page 6 of 51 2.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15(15.247),SubpartC Standard Section TestItemResultRemark FCCpart15.203/15.247 (b)(4) AntennarequirementPASS FCCpart15.207ACPowerLineConductedEmissionPASS FCCpart15.247(b)(3)ConductedPeakOutputPowerPASS FCCpart15.247(a)(2)ChannelBandwidth&99%OCBPASS FCCpart15.247(e)PowerSpectralDensityPASS FCCpart15.247(d)BandEdgePASS FCCpart15.205/15.209SpuriousEmissionPASS NOTE: (1)”N/A”denotestestisnotapplicableinthisTestReport ProjectNo.:ZKT-221221L9595E Page 7 of 51 2.1TESTFACILITY ShenzhenZKTTechnologyCo.,Ltd. Add.:1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrialAvenue,FuhaiStreet,Bao'an District,Shenzhen,China FCCTestFirmRegistrationNumber:692225 DesignationNumber:CN1299 ICRegisteredNo.:27033 2.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U，whereexpendeduncertaintyUisbasedonastandard uncertaintymultipliedbyacoveragefactorofk=2 ， providingalevelofconfidenceofapproximately95 %。 No.ItemUncertainty 1ConductedEmissionTest±1.38dB 2RFpowerconducted±0.16dB 3Spuriousemissionsconducted±0.21dB 4Allemissionsradiated(<1G)±4.68dB 5Allemissionsradiated(>1G)±4.89dB 6Temperature±0.5°C 7Humidity±2% ProjectNo.:ZKT-221221L9595E Page 8 of 51 3.GENERALINFORMATION 3.1GENERALDESCRIPTIONOFEUT ProductName:AromaDiffuser ModelNo.:LF500MS ModelDifferent.:N/A HardwareVersion:V1.0 SoftwareVersion:V1.0 Sample(s)Status:Engineersample Channelnumbers:802.11b/802.11g/802.11n(HT20):11 OperationFrequency:802.11…

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FCCID:2A3O9-LF500MS EUTTESTPHOTOS FCCID:2A3O9-LF500MS ※※※※※ENDOFREPORT※※※※※