VZ43604SESL Controller

DATE : 2025/09/04 DORAN MFG, LLC 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Attn: Director of Certification Authority to Act as Agent On our behalf, I appoint below company and person: NameLeon Wu PositionLab Director Company NameSuzhou Dongdian Testing Service Co., Ltd. AddressPhase Il, No.16 Runsheng Road, Suzhou Industrial Park, Suzhou, People’s Republic of China. Tel / Fax Tel: +86-0512-62531270 [email protected] toactasouragentinthepreparationofthisapplicationforequipmentcertification.I certifythatsubmitteddocumentsproperlydescribethedeviceorsystemforwhich equipmentcertificationissought.Ialsocertifythateachunitmanufactured,importedor marketed,asdefinedintheFederalCommunicationsCommission’sregulationswill have affixed to it a label identical to that submitted for approval with this application. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions for certification, as specified by cetecom advanced GmbH, still resides with: Applicant nameDORAN MFG, LLC Address4362 Glendale Milford Rd, Cincinnati OH 45242 United States Yours sincerely, Signatory NameKevin Shen PositionVP of Product Development Company NameDORAN MFG, LLC Address4362 Glendale Milford Rd, Cincinnati OH 45242 United States Tel / Fax +1-866-816-7233 [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 <2025-09-04> TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b) (4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name VZ43604S 3602, 3603, 3604, 3604AG For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Description The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device, 2026-03-03 If you have any questions, please feel free to contact me at the address shown below. Sincerely, (Signed) Name / Title: Kevin Shen / VP of Product Development Company: DORAN MFG, LLC Address: 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Phone: +1-866-816-7233 Fax: N/A E-Mail: [email protected]

Model Difference:

Model:3602FCC ID:VZ43604S HVIN:3602S IC:12007A-3604S Model:3604 FCC ID:VZ43604S HVIN:3604S IC:12007A-3604S Model:3603 FCC ID:VZ43604S HVIN:3603S IC:12007A-3604S Model:3604AG FCC ID:VZ43604S HVIN:3604AGS IC:12007A-3604S

Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E02 QR-4(SUZ)-106-E55 RevA1 Page 1 of 7 RF EXPOSURE REPORT Report No.: DDT-B25032010-5E02 Applicant : DORAN MFG, LLC Applicant Address : 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Equipment Under Test : Doran TPMS Sensor for Truck Model No. : 3602, 3603, 3604, 3604AG Trade Mark : FCC ID : VZ43604S Manufacturer : DORAN MFG, LLC Manufacturer Address : 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Issued By : Suzhou Dongdian Testing Service Co., Ltd. Address : Phase Il, No.16 Runsheng Road, Suzhou Industrial Park, Suzhou, People’s Republic of China Tel: +86-0512-62531270, E-mail: [email protected], http://www.ddttest.com Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E02 QR-4(SUZ)-106-E55 RevA1 Page 2 of 7 Table of Contents 1. General information ........................................................................................................ 5 1.1. Description of Equipment ............................................................................................... 5 1.2. Assess laboratory ........................................................................................................... 5 2. RF Exposure Evaluation ................................................................................................ 7 2.1. Requirement ................................................................................................................... 7 2.2. Estimation result ............................................................................................................. 7 Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E02 QR-4(SUZ)-106-E55 RevA1 Page 3 of 7 Test Report Declare Standard Used: KDB447498 D04 Interim General RF Exposure Guidance v01 We Declare: The equipment described above is tested by Suzhou Dongdian Testing Service Co.,Ltd and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Suzhou Dongdian Testing Service Co.,Ltd is assumed of full responsibility for the accuracy and completeness of these tests. After test and evaluation, our opinion is that the equipment provided for test compliance with the requirement of the above FCC standards. Report No: DDT-B25032010-5E02 Sample No: Y25032010-06 Date of Receipt: Jun. 03, 2025 Date of Test: Jun. 04, 2025 ~ Jun. 10, 2025 Prepared By: Reviewed By: Authorized By: Bacon Dong/Engineer Leon Wu/Director Chris Zhong/EMC Manager Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Suzhou Dongdian Testing Service Co., Ltd. The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. This report does not imply that the product(s) has met the criteria for certification. Applicant : DORAN MFG, LLC Address : 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Equipment under Test : Doran TPMS Sensor for Truck Model No. : 3602, 3603, 3604, 3604AG Trade Mark : FCC ID : VZ43604S Manufacturer : DORAN MFG, LLC Address : 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E02 QR-4(SUZ)-106-E55 RevA1 Page 4 of 7 Revision History Rev. Revisions Issue Date Revised By --- Initial issue Aug. 04, 2025 Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E02 QR-4(SUZ)-106-E55 RevA1 Page 5 of 7 1. General information 1.1. Description of Equipment EUT Description : Doran TPMS Sensor for Truck Model Number : 3602, 3603, 3604, 3604AG HVIN : 3602S, 3603S, 3604S, 3604AGS Model Differences 3602, 3604-AG are different from the main model 3604 in terms of marking and packaging. 3603 is different from the main model 3604 in terms of shell shape, marking, and packaging. The details see the below table. Model name Appearance 3604 Appearance A 3602, 3604-AG, 3603 Appearance B Note: The difference between Appearance A and B lies in their size. Hardware Version : N/A Software Version : N/A Sample Type : Vehicle Device EUT function description : Please refer to user manual of this device Power supply : 3Vdc (internal CR2450HR) Support Frequency : 434.1MHz Max. Power : 72.62dBμV/m@3m (Test result) Max. ERP : -22.64dBm/ 0.00545 (mW) (Calculate result) Conducted Power -2.51dBm (Measured values) Type of Modulation : FSK Antenna Type : PCB antenna Note: EIRP(W)=(E1*d) 2 /30 EIRP(dBm)=10log 10 (EIRP(W))+30=E2+20log(d)-104.8 Conducted Power= Max. EIRP- Antenna Gain E1: Electric field strength in V/m E2: Electric field strength in dBμV/m d: measurement distance in m 1.2. Assess laboratory Lab Information Company Name: Suzhou Dongdian Testing Service Co.,Ltd. Address: Phase Il, No.16 Runsheng Road, Suzhou Industrial Park, Suzhou, People’s Republic of China. Tel: +86-0512-62531270, E-mail: [email protected], Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E02 QR-4(SUZ)-106-E55 RevA1 Page 6 of 7 http://www.ddttest.com Accreditation Certificate A2LA (Certificate No.: 7346.01) Suzhou Dongdian Testing Service Co.,Ltd. has been assessed and proved to be in compliance with A2LA. FCC (FCC Designation No.: CN1397) Suzhou Dongdian Testing Service Co.,Ltd. has been recognized to perform compliance testing on equipment subject to the Commission's Declaration of Conformity (DoC) and Certification rules. IC (IC Designation No.: 32952; CAB No.:CN0182) Suzhou Dongdian Testing Service Co.,Ltd. has been recognized to perform compliance testing on equipment subject to the Commission's Declaration of Conformity (DoC) and Certifi…

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Name and address of the antenna manufacturer: Shanghai Shuangsheng Yingzhan Industrial Co., LTD., Building 3, No. 2640 Tingfeng Road, Zhujing Town, Jinshan District, Shanghai Model number of the antenna: 3.SATA6TP723S002 Operating Temperature : −40 °C~ 120 °C Frequency Range:300MHz~500MHz Antenna Peak Gain：0dBi(Max @433MHz),As shown in the picture NO.1 Antenna material：FR-4 Antenna thickness：1.6mm Antenna copper thickness：45um Antenna size:：As shown in the picture NO.2 Picture NO. 1 Picture NO. 2 Antenna Return loss: As shown in the picture NO. 3 picture NO.3

Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E01 QR-4(SUZ)-106-E67 RevA1 Page 1 of 38 RF TEST REPORT Report No.: DDT-B25032010-5E01 Applicant : DORAN MFG, LLC Applicant Address : 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Equipment Under Test : Doran TPMS Sensor for Truck Model No. : 3602, 3603, 3604, 3604AG Trade Mark : FCC ID : VZ43604S IC : 12007A-3604S Manufacturer : DORAN MFG, LLC Manufacturer Address : 4362 Glendale Milford Rd, Cincinnati OH 45242 United States Issued By : Suzhou Dongdian Testing Service Co., Ltd. Address : Phase Il, No.16 Runsheng Road, Suzhou Industrial Park, Suzhou, People’s Republic of China Tel: +86-0512-62531270, E-mail: [email protected], http://www.ddttest.com Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E01 QR-4(SUZ)-106-E67 RevA1 Page 2 of 38 Table of Contents 1. Summary of Test Results ............................................................................................... 7 1.1. Summary of test result ................................................................................................... 7 2. General Test Information ............................................................................................... 8 2.1. Description of EUT ......................................................................................................... 8 2.2. Accessories of EUT ........................................................................................................ 8 2.3. Assistant equipment used for test .................................................................................. 9 2.4. Block diagram of EUT configuration for test .................................................................. 9 2.5. Test environment conditions .......................................................................................... 9 2.6. Test laboratory ............................................................................................................... 9 3. Test Configuration ........................................................................................................ 10 3.1. Test Mode .................................................................................................................... 10 4. Equipment Used During Test ....................................................................................... 11 5. Measurement uncertainty ............................................................................................. 12 6. Antenna requirement .................................................................................................... 13 6.1. Regulation .................................................................................................................... 13 6.2. Result ........................................................................................................................... 13 7. Restricted bands of Operation ..................................................................................... 14 7.1. Regulation .................................................................................................................... 14 7.2. Result ........................................................................................................................... 15 8. Radiated Spurious Emission ........................................................................................ 16 8.1. Regulation limit ............................................................................................................. 16 8.2. Block diagram of test setup .......................................................................................... 17 8.3. Test procedure ............................................................................................................. 19 8.4. Test result ..................................................................................................................... 21 9. Periodic operation characteristics ................................................................................ 26 9.1. Regulation .................................................................................................................... 26 9.2. Result ........................................................................................................................... 26 10. Fundamental frequencies/Field strength ..................................................................... 28 10.1. Regulation limit ............................................................................................................. 28 10.2. Block diagram of test setup .......................................................................................... 28 10.3. Test procedure ............................................................................................................. 28 10.4. Test result ..................................................................................................................... 31 11. Bandwidth(20dB) .......................................................................................................... 33 11.1. Regulation .................................................................................................................... 33 11.2. Calculation of the 20dB bandwidth limit ....................................................................... 33 11.3. Test Procedure ............................................................................................................. 33 Suzhou Dongdian Testing Service Co., Ltd. Report No.: DDT-B25032010-5E01 QR-4(SUZ)-106-E67 RevA1 Page 3 of 38 11.4. Test result ..................................................................................................................... 34 12. Bandwidth(99%) ........................................................................................................... 36 12.1. Regulation ..................................................…

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