2BDZM-T12TPMS

ShenzhenChemeiTechnologyCo.,Ltd. FederalCommunicationsCommissionDate:2025-11-27 AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 SUBJECT:FCCApplicationforFCCID:2BDZM-T12 ToWhomItMayConcern: Duetothesizeofthedevice,weherebydeclarethatourproductissosmallthatitis impracticaltolabelitwiththeFCCID,thereforewewillplacetheFCCIDintheuser manualandalsoonthedevicepackaging. Ifyouhaveanyquestionsregardingthisapplication,pleasefeelfreetocontactme. Sincerely, Signature:_________________________________ CompanyName:ShenzhenChemeiTechnologyCo.,Ltd. Name:ZHIJIANWU E-mail:[email protected]

Theproductdoesnothaveenoughspacetoplacethelabel,andFCCID labelisreflectedintheusermanualandpackage,asbelow: Usermanual Package

FCC ID:2BDZM-T12

ReportNo. : EED32R81709902Page1 of 6 1 COVERPAGE RF ExposureEvaluationReport Product:TPMS Trademark:N/A Model/Typereference:T12 , TY01,TY02,TY04,TY05,TY06, TY08,T11, T13, T14 SerialNumber:N/A ReportNumber:EED32R81709902 FCC ID:2BDZM-T12 Date of Issue:Nov. 05, 2025 Test Standards: 47 CFRPart 1.1307 47 CFRPart 1.13 10 47 CFRPart 2.1091 47 CFRPart 2.1093 447498D04 InterimGeneralRF ExposureGuidancev01 Test result:PASS Preparedfor: ShenzhenChemeiTechnologyCo., Ltd. 5th Floor,Building2, No. 263 ChangfengRoad,FenghuangCommunity, FenghuangSub-district,GuangmingDistrict,ShenzhenCity Preparedby: CentreTestingInternationalGroupCo., Ltd. HongweiIndustrialPark, Zone 70, Bao'anDistrict, Shenzhen,Guangdong,China TEL: +86-755-3368 3668 FAX: +86-755-33683385 Compiledby: Reviewedby: ShifengWeiKevenTan Approvedby: Date:Nov. 05, 2025 AaronMa CheckNo.: 6110150925 ReportNo. : EED32R81709902Page2 of 6 2 Contents Page 1 COVERPAGE....................................................................................................................................................................1 2 CONTENTS........................................................................................................................................................................2 3 GENERALINFORMATION..............................................................................................................................................3 3.1 CLIENTINFORMATION...................................................................................................................................................3 3.2 GENERALDESCRIPTIONOFEUT ...................................................................................................................................3 3.3 PRODUCTSPECIFICATIONSUBJECTIVETO THIS STANDARD...........................................................................................3 3.4 TESTLOCATION.............................................................................................................................................................4 3.5 DEVIATIONFROMSTANDARDS......................................................................................................................................4 3.6 ABNORMALITIESFROMSTANDARDCONDITIONS..........................................................................................................4 3.7 OTHERINFORMATIONREQUESTEDBY THECUSTOMER................................................................................................4 4 SAR EVALUATION...........................................................................................................................................................5 4.1 RF EXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 4.1.1 Limits....................................................................................................................................................................5 4.1.2 EUT RF ExposureEvaluation..........................................................................................................................5 ReportNo. : EED32R81709902Page3 of 6 3 GeneralInformation 3.1 ClientInformation Applicant:ShenzhenChemeiTechnologyCo., Ltd. Addressof Applicant:5th Floor,Building2, No. 263 ChangfengRoad,FenghuangCommunity, FenghuangSub-district,GuangmingDistrict,ShenzhenCity Manufacturer:ShenzhenChemeiTechnologyCo., Ltd. Addressof Manufacturer:5th Floor,Building2, No. 263 ChangfengRoad,FenghuangCommunity, FenghuangSub-district,GuangmingDistrict,ShenzhenCity Factory:ShenzhenChemeiTechnologyCo., Ltd. Addressof Factory:5th Floor,Building2, No. 263 ChangfengRoad,FenghuangCommunity, FenghuangSub-district,GuangmingDistrict,ShenzhenCity 3.2 GeneralDescriptionof EUT ProductName:TPMS Mode l No.(EUT):T12, TY01,TY02,TY04,TY05,TY06,TY08,T11, T13, T14 Test Model:T12 TradeMark:N/A 3.3 ProductSpecificationsubjectiveto this standard FrequencyRange:433.92MHz ModulationType:Fix Location Test PowerGrade:Default AntennaType: Springantenna AntennaGain: 0 dBi PowerSupply:Battery:DC 3V SampleReceivedDate: Sep.25, 2025 SampletestedDate: Sep.25, 2025to Oct. 11, 2025 Remark: ModelNo.: T12 , TY01,TY02,TY04,TY05,TY06,TY08,T11, T13, T14 Onlythe modelT12 was tested.Namingis basedon differentsalesregions,salesmethods,customergroups, as well as differentcolors,sizesand shapesof the products.It doesnot affectthe safety,functionalityand performanceof the products.The similaritiesare that the performance,principleand workingpurposeare all the same.The differencesare that our companyhas differentsalesregions,differentcustomergroups,and the productsare namedbasedon differentcolors,sizesand shapes,whichdo not affectthe principle,function, performanceand safetyof suchproducts. ReportNo. : EED32R81709902Page4 of 6 3.4 Test Location All testswereperformedat: CentreTestingInternationalGroupCo., Ltd HongweiIndustrialPark,Zone70, Bao'anDistrict,Shenzhen,Guangdong,China Telephone:+86 (0) 755 33683668Fax:+86(0) 755 33683385 No testsweresub-contracted. FCCDesignationNo.: CN1164, ISEDtest site number:7408A, CABidentifiernumber: CN0037 3.5 Deviationfrom Standards None. 3.6 Abnormalitiesfrom StandardConditions None. 3.7 OtherInformationRequestedby the Customer None. ReportNo. : EED32R81709902Page5 of 6 4 SAR Evaluation 4.1 RF ExposureComplianceRequirement 4.1.1 Limits KDB447498D01 GeneralRF ExposureGuidancev06, Clause4.3.1(a) [(max.powerof channel,includingtune-uptolerance,mW)/ (min.test separationdistance,mm)]• [√ f(GHz)]≤ 3.0 Where: -f(GHz)is the RF channeltransmitfrequencyin GHz -Powerand distanceare roundedto the nearestmW and mm beforecalculation -Thetest exclusionsare applicableonly whenthe minimumtest separationdistanceis ≤ 50 mm, and for transmissionfrequenciesbetween100 MHzand 6 GHz.Whenthe minimumtest separationdistanceis < 5 mm, a distanceof 5 mm accordingto 4.1 f) is appliedto determineSARtest exclusion. 4.1.2 EUT RF …

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: Shenzhenquanchengspringhardwareco.,ltd Companyaddress:Floor1,BuildingB,TaixinglongIndustrialCity,Zhongwu,Xixiang,BaoanDistrict,Shenzhen. Tel:0755-27695493Fax:0755-2731993413692105493LuQuanjin(Mr.) Productspecification manuf acturer ShenzhenChemeiTechnologyCo.,Ltd.sketch name ofan article Tirepressure antenna specificati ons 0.7*17.4*3.2 pr oj ec t technicalrequirement textur eof wood Wire Diam eter outside diameter heightfoot length sense of rotatio n surface treatment drawin g spring steel 0.717.43.28RightEnvironm ental protection nickel di m en si on al ga gi ng TestitemStandar dvalue solidsidevalue d decide one2threefourfivesixseveneightnine10 Wire Diameter 0.7±0.05 0.70.70.70.70.70.70.70.70.70.7 qualified outside diameter 17.4±0.2 17.3417.3817.3117.417.3617.3217.2817.3417.3617.41 height 3.2±0.25 3.13.263.253.143.383.253.243.183.213.25 foot length 8±0.2 8.067.948.088.028.18.067.948.088.028.1 life working environment Dry,moisture-proofandacid-base-freesubstances Working times Morethan500thousandtimes ForcedataWhenthe strengthis 1N. / Rustresistance Numberof inspections (10) Nooxidationonthesurfaceof saltsprayfor12hours. decid e qualified criterion upper/ better/ previo us/a surna me tin Numberof inspections (10) Goodtinplating performance decid e qualified criterion baginstall2500PCSEachpouchdecide thatit Comprehensive judgment Qualified√unqualifiedinspector: MoShaoxun. Qualitycontrol: PengJinda Date:20251121 Handle opinions Speciallyselectedbyandrejectedby . Qualitycontrol:Date: InspectiontoolAverniercaliper√Bmicrometer√C projector Dgoniometere dynamometer Fvisualinspection √Gothers E l e c t r i c a l p e r f o r m a n c e Encodingformat:433MHZ(surfacemountIC) Workingvoltage:3V Staticcurrent(no-load):3uA Operatingcurrent(on-load):20mA Operatingtemperature:-16to45 Storagetemperature:-25to55 Carrierfrequency:433MHZ Gain:0dBi Launchdistance:Morethan15meters

Report No. : EED32R81709901Page 1 of 36 TEST REPORT Product:TPMS Trade mark:N/A Model/Type reference :T12, TY01, TY02, TY04, TY05, TY06, TY08, T11, T13, T14 Serial Number:N/A Report Number:EED32R81709901 FCC ID:2BDZM-T12 Date of Issue:Nov. 05, 2025 Test Standards: 47 CFR Part 15 Subpart C Test result:PASS Prepared for: Shenzhen Chemei Technology Co., Ltd. 5th Floor, Building 2, No. 263 Changfeng Road, Fenghuang Community, Fenghuang Sub-district, Guangming District, Shenzhen City Prepared by: Centre Testing International Group Co., Ltd. Hongwei Industrial Park, Zone 70, Bao'an District, Shenzhen, Guangdong, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by: Reviewed by: Shifeng WeiKeven Tan Approved by: Date:Nov. 05, 2025 Aaron Ma Check No.: 6110150925 Report No. : EED32R81709901Page 2 of 36 1 Test Summary Test ItemTest RequirementTest methodResult Antenna Requirement 47 CFR Part 15 Subpart C Section 15.203 ANSI C63.10:2020 PASS AC Power Line Conducted Emission 47 CFR Part 15 Subpart C Section 15.207 ANSI C63.10:2020 PASS Field Strength of the Fundamental Signal 47 CFR Part 15 Subpart C Section 15.231 (b) ANSI C63.10:2020 PASS Spurious Emissions 47 CFR Part 15 Subpart C Section 15.231 (b)/15.209 ANSI C63.10:2020 PASS 20dB Bandwidth 47 CFR Part 15 Subpart C Section 15.231 (c) ANSI C63.10:2020 PASS Dwell Time 47 CFR Part 15 Subpart C Section 15.231 (a) ANSI C63.10:2020 PASS Remark: Model No.: T12, TY01, TY02, TY04, TY05, TY06, TY08, T11, T13, T14 Only the model T12 was tested. Naming is based on different sales regions, sales methods, customer groups, as well as different colors, sizes and shapes of the products. It does not affect the safety, functionality and performance of the products. The similarities are that the performance, principle and working purpose are all the same. The differences are that our company has different sales regions, different customer groups, and the products are named based on different colors, sizes and shapes, which do not affect the principle, function, performance and safety of such products. Report No. : EED32R81709901Page 3 of 36 2 Contents 1 TEST SUMMARY.......................................................................................................................................................2 2 CONTENTS.................................................................................................................................................................3 3 GENERAL INFORMATION......................................................................................................................................4 3.1CLIENTINFORMATION........................................................................................................................................... 4 3.2GENERALDESCRIPTION OFEUT........................................................................................................................... 4 3.3TESTENVIRONMENT ANDMODE...........................................................................................................................5 3.4DESCRIPTION OFSUPPORTUNITS..........................................................................................................................5 3.5TESTLOCATION.....................................................................................................................................................5 3.6DEVIATION FROMSTANDARDS..............................................................................................................................5 3.7ABNORMALITIES FROMSTANDARDCONDITIONS.................................................................................................. 5 3.8OTHERINFORMATIONREQUESTED BY THECUSTOMER........................................................................................ 5 3.9MEASUREMENTUNCERTAINTY(95%CONFIDENCE LEVELS,K=2)........................................................................6 4 EQUIPMENT LIST......................................................................................................................................................7 5 TEST RESULTS AND MEASUREMENT DATA.................................................................................................10 5.1ANTENNAREQUIREMENT.....................................................................................................................................10 5.2SPURIOUSEMISSIONS...........................................................................................................................................11 5.2.1 Duty Cycle................................................................................................................................................. 11 5.2.2 Spurious Emissions..................................................................................................................................13 5.320DB BANDWIDTH...............................................................................................................................................19 5.4DWELLTIME........................................................................................................................................................20 APPENDIX 1 PHOTOGRAPHS OF TEST SETUP................................................................................................22 APPENDIX 2 PHOTOGRAPHS OF EUT................................................................................................................ 24 Report No. : EED32R81709901Page 4 of 36 3 General Information 3.1 Client Information Applicant:Shenzhen Chemei Technology Co., Ltd. Address of Applicant:5th Floor, Building 2, No. 263 Changfeng Road, Fenghuang Community, Fenghuang Sub-district, Guangming District, Shenzhen City Manufacturer:Shenzhen Chemei Technology Co., Ltd. Address of Manufacturer:5th Floor, Building 2, No. 263 Changfeng Road, Fenghuang Community, Fenghuang Sub-district, Guangming District, Shenzhen City Factory:S…

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