ULZ-TXA001TPMS sensor

MOBILETRONELECTRONICSCO.,LTD. Date:December17,2025 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 RE: FCCID:ULZ-TXA001 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentialitymaterial. MOBILETRONELECTRONICSCO.,LTD.requeststhatthefollowingdocumentsregardingthis submissionforFCCID:ULZ-TXA001bekeptLong-Termconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExhibitTypeFileName ExternalPhotosExternalPhoto.pdf InternalPhotosInternalPhoto.pdf TestSetupPhotosTestSetupPhotos.pdf UsersManualsUsersManual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelatedinformation abouttheproductwhichMOBILETRONELECTRONICSCO.,LTD.considerstobeconfidential proprietary,acustomdesignand,otherwise,notreleasabletothegeneralpublic.Sincethis designisabasisformwhichfuturetechnologicalproductswillevolve,MOBILETRONELECTRONICS CO.,LTD.considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfairadvantage inthemarket. Thankyouforyourattentiontothismatter. Printname:JerryLin Title:Manager Signature:

Report No.: BL-SZ25A0415-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 2 / 9 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Revision History Version Issue Date Revisions Content Rev. 01 Dec. 19, 2025 Initial Issue Rev. 02 Dec. 24, 2025 The report added an explanation that the EUT be unable to transmit at 315MHz and 433.92MHz simultaneously, The original report invalid. TABLE OF CONTENTS 1 GENERAL INFORMATION ....................................................................................................... 3 1.1 Test Laboratory .......................................................................................................... 3 1.2 Test Location .............................................................................................................. 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information ................................................................................................. 4 2.2 Manufacturer Information .......................................................................................... 4 2.3 General Description for Equipment under Test (EUT) ............................................. 4 2.4 Technical Information ................................................................................................ 4 3 SUMMARY OF TEST RESULT ................................................................................................. 5 3.1 Test Standards ............................................................................................................ 5 4 DEVICE CATEGORY AND LEVELS LIMITS ............................................................................ 6 5 ASSESSMENT RESULT ........................................................................................................... 8 5.1 Output Power .............................................................................................................. 8 5.2 Tune-up power ............................................................................................................ 8 5.3 RF Exposure Evaluation Result ................................................................................. 8 5.4 Conclusion .................................................................................................................. 8 Report No.: BL-SZ25A0415-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 3 / 9 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Address 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1.2 Test Location Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Location 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1352. The laboratory has been listed by Industry Canada to perform electromagnetic emission measurements. The recognition numbers of test site are 29671. Report No.: BL-SZ25A0415-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 4 / 9 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant MOBILETRON ELECTRONICS CO., LTD. Address 85,Sec.4, Chung-Ching Rd.,Ta-Ya,Taichung City, Taiwan 428 2.2 Manufacturer Information Manufacturer MOBILETRON ELECTRONICS CO., LTD. Address 85,Sec.4, Chung-Ching Rd.,Ta-Ya,Taichung City, Taiwan 428 2.3 General Description for Equipment under Test (EUT) EUT Name TPMS sensor Model Name Under Test TX-A001 Series Model Name TX-A001-1, TX-A001-BL, TX-A001-1BL, TX-A001-2BL, TX-A002, TX- A002-BL,TX-A101,TX-A102,TX-A003,TX-A003-1,TX-A004,TX- A003EU,TX-A003EU-1,TX-A004EU,WP002R-B,WP002A-B, WP003AB, TX-A105, TX-A105EU-1, TX-A106 Description of Model name differentiation The differences among the series models only lie in the color of the casing, the style of the valve nozzle, and the position of the locking mechanism. The other electronic materials, antennas, and casing materials are all the same (This information is provided by the Customer.) Hardware Version TX-V003/4 Rev.A Software Version 882304 Dimensions (Approx.) N/A Weight (Approx.) N/A 2.4 Technical Information Network and Wireless connectivity Other: 315MHz,433.92MHz The requirement for the following technical information of the EUT was tested in this report: Operating Mode 315MHz,433.92MHz Frequency Range 315MHz 433.92MHz Antenna Type Loop Antenna Exposure Category General Population/Uncontrolled Exposure Product Type Mobile Device Note: The EUT is unable to transmit at 315MHz and 433.92MHz simultaneously. Report No.: BL-SZ25A0415-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 5 / 9 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 3 SUMMARY OF TEST RESULT 3.1 Test Standards No. Identity Document Title 1 47 CFR Part 2.1091 Radiofrequency radiation exposure evaluation: mobile devices 2 KDB 447498 D04 v01 447498 D04 Interim General RF Exposure Guidance v01 Report No.: BL-SZ25A0415-701 Tel: 86-21-58180736 E-mail: [email protected] Page No. 6 / 9 Web: www.titcgroup.com Template No.: TRP7-EC-03 V2.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 4 DEVICE CATEGORY AND LEVELS LIMITS Mobile Devices: CFR Title 47 §2.1091(b) For purposes of this section, a mobile device is defined as …

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Report No.: BL-SZ25A0415-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 2 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Revision History Version Issue Date Revisions Rev. 01 Dec. 05, 2025 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 5 3 SUMMARY OF TEST RESULTS ............................................................................................... 6 3.1 Test Standards ............................................................................................................. 6 3.2 Test Verdict .................................................................................................................. 6 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 7 4.1 Test Environments ........................................................................................................ 7 4.2 Test Equipment List ...................................................................................................... 7 4.3 Test Software List ......................................................................................................... 7 4.4 Measurement Uncertainty ............................................................................................. 8 4.5 Decision Rule ............................................................................................................... 8 4.6 Description of Test Setup ............................................................................................. 9 5 TEST ITEMS ........................................................................................................................... 11 5.1 Antenna Requirements ............................................................................................... 11 5.2 Conducted Emission ................................................................................................... 12 5.3 20 dB Bandwidth ........................................................................................................ 13 5.4 Field Strength of Fundamental Emissions and Radiated Emissions ............................ 14 5.5 Transmitting Time ....................................................................................................... 16 ANNEX A TEST RESULT ........................................................................................................... 17 Report No.: BL-SZ25A0415-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 3 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China A.1 Conducted Emissions ................................................................................................. 17 A.2 20 dB Bandwidth ........................................................................................................ 18 A.3 Duty cycle ................................................................................................................... 20 A.4 Field Strength of Fundamental Emissions ................................................................... 26 A.5 Radiated Emission ...................................................................................................... 28 A.6 Transmitter Time ........................................................................................................ 36 ANNEX B TEST SETUP PHOTOS ............................................................................................. 38 ANNEX C EUT EXTERNAL PHOTOS ......................................................................................... 38 ANNEX D EUT INTERNAL PHOTOS .......................................................................................... 38 Report No.: BL-SZ25A0415-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 4 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Address 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1.2 Test Location Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Location 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1352. The laboratory has been listed by Industry Canada to perform electromagnetic emission measurements. The recognition numbers of test site are 29671. Report No.: BL-SZ25A0415-602 Tel: 86-21-58180736 E-mail: [email protected] Page No. 5 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Roa…

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Report No.: BL-SZ25A0415-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 2 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Revision History Version Issue Date Revisions Rev. 01 Dec. 05, 2025 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 5 3 SUMMARY OF TEST RESULTS ............................................................................................... 6 3.1 Test Standards ............................................................................................................. 6 3.2 Test Verdict .................................................................................................................. 6 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 7 4.1 Test Environments ........................................................................................................ 7 4.2 Test Equipment List ...................................................................................................... 7 4.3 Test Software List ......................................................................................................... 7 4.4 Measurement Uncertainty ............................................................................................. 8 4.5 Decision Rule ............................................................................................................... 8 4.6 Description of Test Setup ............................................................................................. 9 5 TEST ITEMS ........................................................................................................................... 11 5.1 Antenna Requirements ............................................................................................... 11 5.2 Conducted Emission ................................................................................................... 12 5.3 20 dB Bandwidth ........................................................................................................ 13 5.4 Field Strength of Fundamental Emissions and Radiated Emissions ............................ 14 5.5 Transmitting Time ....................................................................................................... 16 ANNEX A TEST RESULT ........................................................................................................... 17 Report No.: BL-SZ25A0415-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 3 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China A.1 Conducted Emissions ................................................................................................. 17 A.2 20 dB Bandwidth ........................................................................................................ 18 A.3 Duty cycle ................................................................................................................... 20 A.4 Field Strength of Fundamental Emissions ................................................................... 26 A.5 Radiated Emission ...................................................................................................... 28 A.6 Transmitter Time ........................................................................................................ 36 ANNEX B TEST SETUP PHOTOS ............................................................................................. 38 ANNEX C EUT EXTERNAL PHOTOS ......................................................................................... 38 ANNEX D EUT INTERNAL PHOTOS .......................................................................................... 38 Report No.: BL-SZ25A0415-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 4 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Address 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China 1.2 Test Location Name Shanghai Tejet Communications Technology Co., Ltd. Testing Center Location 1-2/F., Building 1, No.222, Xuanlan Road, Xuanqiao, Pudong New District, Shanghai, China Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1352. The laboratory has been listed by Industry Canada to perform electromagnetic emission measurements. The recognition numbers of test site are 29671. Report No.: BL-SZ25A0415-601 Tel: 86-21-58180736 E-mail: [email protected] Page No. 5 / 39 Web: www.titcgroup.com Template No.: TRP6-EC-24 V3.0 Add: 1-2/F., Building 1, No.222, Xuanlan Roa…

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Antenna Specifications Brands and manufacturers：MOBILETRON Address：85, Sec.4, Chung-Ching Rd., Ta-Ya District, Taichung 428, Taiwan Model：20010557 Antenna types： Loop Antenna Maximum antenna gain： -10dBi Operating frequency band：315MHz / 433.92MHz 315MHz Antenna Pattern 433.92MHz Antenna Pattern