2A4NH-S23Household electric treadmill

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: AOCE Corporation Inc. FRN: 0033401381 Contact Name:Johnson.wang Address: 6547 N Academy Bivd #2266, Colorado Springs, CO, 80918 United States Telephone:+1-346-582-5234 Email: [email protected] Applicant: Company name: Jiangxi EQi Industrial Co., Ltd FRN: 0031988611 Product Description: Household electric treadmill Grantee code:2A4NH FCC ID:2A4NH-S23 Contact Name:zhouWei Address:Luliang Road, Yining Town, Xiushui County, Jiujiang City, Jiangxi Province China Telephone No:0792-7990988 Email:[email protected] [Jiangxi EQi Industrial Co., Ltd] certifies that, as of the date of this filing of the application with the TCB, [AOCE Corporation Inc.] is our designated US agent for service of process for the above referenced FCC ID. [Jiangxi EQi Industrial Co., Ltd] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [AOCE Corporation Inc.] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. 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. 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: 2023/08/23 Applicant’s Name:ZhouWeiUS Agent ’s Name:Johnson.wang Title: DirectorTitle: Manager SignatureSignature

C5266091_X24_Ed.2 1/1 “AttestationStatements” TO: Officeof EngineeringTechnology FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 The Commissionadoptedrulesthatprohibitequipmentauthorizationfor “covered” telecommunicationsequipmentand videosurveillanceequipmentproducedby entitiesidentified on the Commission’s CoveredList 1 , whichis periodicallyupdated.See the CoveredList for more details.This AttestationStatementis to confirmthat we followthe Section2.911(d)(5)(i)-(ii) Applicant Companyname:JiangxiEQi IndustrialCo., Ltd Granteecode: 2A4NH FCC ID: 2A4NH-S23 ContactName:Zhou Wei Address:WuduLuliangRoad,YiningTown,XiushuiCounty,JiujiangCity, JiangxiProvinceChina TelephoneNo: 0792-7990988 Fax No: Email:[email protected] i.[Jiangxi EQi Industrial Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii.[Jiangxi EQi Industrial Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [Insert applicant name] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List as an entity producing “covered” equipment . Date: 2023/08/23 Applicant’s Name:ZhouWei Title: Director Signature 1 The Commission’s CoveredListis publishedby the PublicSafetyand HomelandSecurityBureauand postedon the Commission’s website.This CoveredList, whichis periodicallyupdated,identifiesparticularequipment,producedby particularentities,that constitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

JiangxiEQiIndustrialCo.,Ltd ProductSimilarityDeclaration Productname:Householdelectrictreadmill Modelname:T4220,T4221,T4222,T4223,T4224,T4225, T4226,T4227,T4228,T4229,T4230,T4255,GT3. FCCID:2A4NH-S23 We(JiangxiEQiIndustrialCo.,Ltd)herebystatethatallthe modelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differenceisthemodelname Signature: Name:ZhouWei Title:Director Date:2023/08/23

C5266091_X8_Ed.1 1/1 LetterofAuthorization <JiangxiEQiIndustrialCo.,Ltd> Company:JiangxiEQiIndustrialCo.,Ltd Address:LuliangRoad,YiningTown,XiushuiCounty,JiujiangCity, JiangxiProvinceChina ProductName:Householdelectrictreadmill ModelNumber:T4220,T4221,T4222,T4223,T4224,T4225, T4226,T4227,T4228,T4229,T4230,T4255,GT3. FCCIdentifier:2A4NH-S23 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:zhouWeiDate:2023-8-23 Title:Director Signatureofapplicant:

C5266091_X10_Ed.2 1/1 <JiangxiEQiIndustrialCo.,Ltd> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date: Subject:RequestforConfidentiality FCCID:2A4NH-S23 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 abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:zhouWei Title:Director

ExternalPhotos

FCCID:2A4NH-S23 Thisdevicecomplieswithpart15oftheFCCRules.Operationissubject tothefollowingtwoconditions: (1)thisdevicemaynotcauseharmfulinterference,and(2)Thisdevice mustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation.

InternalPhotos ANT 433.92MHz (only received) ※※※※※ENDOFREPORT※※※※※ BLEANT BTANT

FCCID:2A4NH-S23 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBT MaxPower(dBm)MaxPower(mW)Frequency(MHz)Min.distance(mm)Calc.thresholdslimit 1.89 1.5452 24415 0.483 3.0 ForBLE MaxPower(dBm)MaxPower(mW)Frequency(MHz)Min.distance(mm)Calc.thresholdslimit 1.011.261824805 0.397 3.0 SoaSARtestisnotrequired BLEandBTcannotbetransmittedatthesametime

dBi 2450MHz 2450MHz Jiangxi EQi Industrial Co., Ltd 4.0

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 1 of 41 FCCPART15C MeasurementandTestReport For JiangxiEQiIndustrialCo.,Ltd FCCID:2A4NH-S23 FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Householdelectrictreadmill Trademark EQi Model/Typereference.: T4220,T4221,T4222,T4223,T4224,T4225, T4226,T4227,T4228,T4229,T4230,T4255,GT3. ReportNo.:BSL2305318275033F-1 Dateofreceiptoftestitem:Aug.10,2023 Dateofsampling:Aug.10,2023 TestedDate:Aug.10,2023toAug.18,2023 IssuedDate:Aug.18,2023 TestedBy: CindyZheng/Engineer ReviewedBy: HaleyWen/EMCManager Approved&AuthorizedBy: MikeMo/PSQManager BSLTestingCo.,LTD. 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,Shiyan Street,Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina Tel:400-882-9628Fax:86-755-26508703 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 2 of 41 TableofContents Page 1.VERSION4 2.SUMMARYOFTESTRESULTS5 2.1TESTFACILITY6 2.2MEASUREMENTUNCERTAINTY6 3.GENERALINFORMATION7 3.1GENERALDESCRIPTION7 3.2DESCRIPTIONOFTESTMODES9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)9 3.5EQUIPMENTSLISTFORALLTESTITEMS10 4.EMCEMISSIONTEST12 4.1CONDUCTEDEMISSIONMEASUREMENT12 4.1.11POWERLINECONDUCTEDEMISSIONLIMITS12 4.1.2TESTPROCEDURE12 4.1.3DEVIATIONFROMTESTSTANDARD12 4.1.4TESTSETUP13 4.1.5EUTOPERATINGCONDITIONS13 4.1.6TESTRESULTS13 4.2RADIATEDEMISSIONMEASUREMENT13 4.2.1RADIATEDEMISSIONLIMITS16 4.2.2TESTPROCEDURE17 4.2.3DEVIATIONFROMTESTSTANDARD17 4.2.4TESTSETUP17 4.2.5EUTOPERATINGCONDITIONS18 5.RADIATEDBANDEMISSIONMEASUREMENT23 5.1TESTREQUIREMENT:23 5.2TESTPROCEDURE23 5.3DEVIATIONFROMTESTSTANDARD23 5.4TESTSETUP24 5.5EUTOPERATINGCONDITIONS24 5.6TESTRESULT25 6.POWERSPECTRALDENSITYTEST26 6.1APPLIEDPROCEDURES/LIMIT26 6.2TESTPROCEDURE26 6.3DEVIATIONFROMSTANDARD26 6.4TESTSETUP26 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 3 of 41 TableofContentsPage 6.5EUTOPERATIONCONDITIONS26 6.6TESTRESULTS27 7.CHANNELBANDWIDTH29 7.1APPLIEDPROCEDURES/LIMIT29 7.2TESTPROCEDURE29 7.3DEVIATIONFROMSTANDARD29 7.4TESTSETUP29 7.5EUTOPERATIONCONDITIONS29 7.6TESTRESULTS30 8.PEAKOUTPUTPOWERTEST32 8.1APPLIEDPROCEDURES/LIMIT32 8.2TESTPROCEDURE32 8.3DEVIATIONFROMSTANDARD32 8.4TESTSETUP32 8.5EUTOPERATIONCONDITIONS32 8.6TESTRESULTS33 9.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION34 9.1APPLICABLESTANDARD34 9.2TESTPROCEDURE34 9.3DEVIATIONFROMSTANDARD34 9.4TESTSETUP34 9.5EUTOPERATIONCONDITIONS34 10.ANTENNAREQUIREMENT40 11.TESTSETUPPHOTO41 12.EUTCONSTRUCTIONALDETAILS41 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 4 of 41 1.VERSION ReportNo.VersionDescriptionApproved BSL2305318275033F-1Rev.01InitialissueofreportAug.18,2023 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 5 of 41 2.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15(15.247),SubpartC Standard Section TestItemJudgmentRemark FCCpart15.203/15.247 (c) 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 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 6 of 41 2.1TESTFACILITY BSLTESTINGCO.,LTD Add.:1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,ShiyanStreet, Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina FCCTestFirmRegistrationNumber:562200 DesignationNumber:CN1338 ICRegisteredNo.:11093A DesignationNumber:CN0019 2.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedonastandard uncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidenceofapproximately95 %。 No.ItemUncertainty 1 3mcamberRadiatedspurious emission(9KHz-30MHz) U=4.5dB 2 3mcamberRadiatedspurious emission(30MHz-1GHz) U=4.8dB 3 3mchamberRadiatedspurious emission(1GHz-6GHz) U=4.9dB 4 3mchamberRadiatedspurious emission(6GHz-40GHz) U=5.0dB 5ConducteddisturbanceU=3.2dB 6RFBandEdgeU=1.68dB 7RFpowerconductedU=1.86dB 8RFconductedSpuriousEmissionU=2.2dB 9RFOccupiedBandwidthU=1.8dB 10RFPowerSpectralDensityU=1.75dB 11humidityuncertaintyU=5.3% 12Temperatureuncertainty U=0.59°C BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 7 of 41 3.GENERALINFORMATION 3.1GENERALDESCRIPTION Applicant: JiangxiEQiIndustrialCo.,Ltd Addressofapplicant: LuliangRoad,YiningTown,XiushuiCounty,JiujiangCity, JiangxiProvince Manufacturer: JiangxiEQiIndustrialCo.,Ltd Addressofmanufacturer: LuliangRoad,YiningTown,XiushuiCounty,JiujiangCity, JiangxiProvince ProductName: Householdelectrictreadmill ModelNo.: T4220,T4221,T4222,T4223,T4224,T4225, T4226,T4227,T4228,T4229,T4230,T4255,GT3. ModelDifferent.: Onlythemodelnamesaredifferent. SerialNo.: N/A Sample(s)Status:Engineersample OperationFrequency:2402MHz~2480MHz ChannelNumbers:40 ChannelSeparation:2MHz ModulationType:GFSK AntennaType: PCBAntenna Antennagain:-0.68dBi Powersupply: Input:AC100-240V,50/60Hz SWITCHINGPOWER ADAPTER: N/A BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 8 of 41 OperationFrequencyeachofchannel ChannelFrequencyChannelFrequencyChannelFrequencyChannelFrequency 12402MHz112422MHz212442MHz312462MHz 22404MHz122424MHz222444MHz322464MHz 32406MHz132426MHz232446MHz332466MHz 42408MHz142428MHz242448MHz342468MHz 52410MHz152430MHz252450MHz352470MHz 62412MHz162432MHz262452MHz362472MHz 72414MHz172434MHz272454MHz372474MHz 82416MHz182436MHz282456MHz382476MHz 92418MHz192438MHz292458MHz392478MHz 102420MHz202440MHz302460MHz402480MHz Note: Insection15.31(m),regardstotheoperatingfrequencyrangeover10MHz,theLowestfrequency, themiddlefrequency,andthehighestfrequencyofchannelwereselectedtoperformthetest,and theselectedchannelseebelow: ChannelFrequency Thelowestchannel2402MHz Themiddlechannel2440MHz TheHighestchannel2480MHz BSLTestingCo.,LTD.ProjectNo.:BSL2305318275033F-1 Page 9 of 41 3.2DESCRIPTIONOFTESTMODES Transmitti…

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EUTTESTPHOTO