2AMLF-VL533LAElectronic Logging Device

Applicant Declaration QSF27-14-04 Rev 1.4 April 25, 2025 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shenzhen Jimi IoT Co., Ltd. Address 3-4/F,Block A,Building#7,Shenzhen International Innovation Valley, Dashi 1st Road,Nanshan District ShenZhen China FRN 0026625269 Grantee Code 2AMLF FCC ID: 2AMLF-VL533LA Authorized Contact Name Yi Xie Contact Phone +86-0755-29121290 Contact Email [email protected] I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc. terms and conditions as specified in the TCB Application Form 731 (QSF27-14-01). Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Applicant Signature: Date: 2026-03-17 Print Name: Yi Xie Title: System engineer *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

FCC COVERED LIST DECLARATION LETTER Page 1 of 1 Revision 1.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shenzhen Jimi IoT Co., Ltd. Address 3-4/F,Block A,Building#7,Shenzhen International Innovation Valley, Dashi 1st Road,Nanshan District ShenZhen China FRN 0026625269 Grantee Code 2AMLF FCC ID: 2AMLF-VL533LA Authorized Contact Name Yi Xie Contact Phone +86-0755-29121290 Contact Email [email protected] We certifies: - 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. - as of the date of the filing of the application, the applicant [is not] identified on the Covered list, established pursuant to §1.50002, as an entity producing “covered” equipment. - the software to be loaded prior to marketing of the equipment identified above is not “covered” software manufactured by any entity including predecessors, successors, parents, subsidiaries, affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the “Covered List”. - the device is not capable of storing or running software listed on the covered list and therefore is inherently compliant. NOTE: Justification/evidence explaining how compliance is met must accompany this letter Link to the Covered List: Covered List Applicant Signature: Date: 2026-03-17 Print Name: Yi Xie Title: System engineer *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

UNITED STATES DESIGNATED AGENT LETTER Date: 2026/03/17 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: Shenzhen Jimi IoT Co., Ltd. Company Name: Baihetian Innovative Solutions FRN: 0026625269 FRN: 0033401605 Grantee Code: 2AMLF Contact Name: Yi Xie Contact Name Kenneth Young Address: 3-4/F,Block A,Building#7,Shenzhen International Innovation Valley, Dashi 1st Road,Nanshan District ShenZhen China Address: 6837 Chase Rd Dearborn, MI 48126, United States Telephone: +86-0755-29121290 Telephone: (313) 395-3113 Fax: +86-0755-29121290 Fax: - Email: [email protected] Email: ken.young@baihetiansolutions .com Regarding: FCC ID: 2AMLF-VL533LA We, < Shenzhen Jimi IoT Co., Ltd. > and < Baihetian Innovative Solutions > understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e- mail of the designated agent listed above. We, < Shenzhen Jimi IoT Co., Ltd. > and < Baihetian Innovative Solutions > acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant U.S. designated agent Name (Printed): Yi Xie Name (Printed): Kenneth Young Title: System engineer Title: Manager Signature: Signature: May 2026

Shenzhen Jimi IoT Co., Ltd. Date: 2026/03/17 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: 2AMLF-VL533LA To whom it may concern: We, the undersigned, hereby authorize SGS-CSTC Standards Technical Services Co., Ltd. (SGS) to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Shenzhen Jimi IoT Co., Ltd. This authorization is valid until further written notice from the applicant. Print Name: Yi Xie Title: System engineer Signature: On behalf of Company: Shenzhen Jimi IoT Co., Ltd. Telephone: +86-0755-29121290 E-mail: [email protected]

Shenzhen Jimi IoT Co., Ltd. TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: Confidentiality Request regarding application for FCC ID: 2AMLF-VL533LA LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within aforementioned days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Print Name: Yi Xie Title: System engineer Signature: On behalf of Company: Shenzhen Jimi IoT Co., Ltd. Telephone: +86-0755-29121290 E-mail: [email protected]

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089803 Page: 1 of 10 Keny Xu EMC Laboratory Manager RF EXPOSURE EVALUATION REPORT Application No.: SZCR2603000898AT Applicant: Shenzhen Jimi IoT Co., Ltd. Address of Applicant: 3-4/F, Block A, Building#7, Shenzhen International Innovation Valley, Dashi 1st Road, Nanshan District Shenzhen China Manufacturer: Shenzhen Jimi IoT Co., Ltd. Address of Manufacturer: 3-4/F, Block A, Building#7, Shenzhen International Innovation Valley, Dashi 1st Road, Nanshan District Shenzhen China Factory: Huizhou Newthinking Electronics Co., Ltd. Address of Factory: 3-6F, Block 2, Building No. 1, Renluo Fifth Road, Shuikou Street, Huicheng District, Huizhou City, Guangdong, China Equipment Under Test (EUT): EUT Name: Electronic Logging Device Model No.: VL533, VL533 Pro, VL534, VL534 Pro, VL535, VL535 Pro, VL536, VL536 Pro, VL537, VL537 Pro, VL538, VL538 Pro, VL539, VL539 Pro   Please refer to section 3.2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: Jimi IoT FCC ID: 2AMLF-VL533LA Standard(s) : FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2026-03-10 Date of Test: 2026-03-17 to 2026-04-03 Date of Issue: 2026-04-08 Evaluation Result: Pass* * In the configuration evaluated, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089803 Page: 2 of 10 Revision Record Version Chapter Date Modifier Remark 01 2026-04-08 Original Authorized for issue by: Darren Yuan/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089803 Page: 3 of 10 2 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Contents .................................................................................................................................................... 3 3 General Information .................................................................................................................................. 4 3.1 General Description of E.U.T. ............................................................................................................ 4 3.2 Detail of E.U.T. ................................................................................................................................... 4 3.3 Separation Distance ........................................................................................................................... 6 3.4 Test Location ...................................................................................................................................... 7 3.5 Test Facility ........................................................................................................................................ 7 3.6 Deviation from Standards ................................................................................................................... 7 3.7 Abnormalities from Standard Conditions ........................................................................................... 7 4 RF Exposure Evaluation .......................................................................................................................... 8 4.1 RF Exposure Compliance Requirement ............................................................................................ 8 4.1.1 Limits ............................................................................................................................................ 8 4.2 EUT RF Exposure Evaluation ............................................................................................................ 9 5 EUT Constructional Details (EUT Photos) ........................................................................................... 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089803 Page: 4 of 10 3 General Information 3.1 General Description of E.U.T. Product Type: Portable device Mobile device Fixed device 3.2 Detail of E.U.T. Power supply: Input: 9-33V DC Battery information Model: 432038 Rated Voltage: 3.7V Rated Capacity: 270mAh For BLE: Operation Frequency: 2402MHz to 2480MHz Modulation Type: GFSK Number of Channels: 40 Channel Spacing: 2MHz Antenna Type: FPC Antenna Antenna Gain: 1.76dBi LTE Module (model: EC600U_LA), this LTE module has certified, FCC ID is XMR2024EC600ULA For GSM: Frequency band: Band Tx (MHz) Rx (MHz) GSM850 824 to 849 869 to 894 PCS1900 1850 to 1910 1930 to 1990 GPRS Multi-slot class: 12 EGPRS Multi-slot class: 12 Type of Modulation: GMSK(GPRS/EGPRS), 8PSK (EGPRS) Antenna Type: FPC Antenna Antenna Gain: GSM850: 1.88dBi; PCS1900: -1.13dBi SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089803 Page: 5 of 10 For LTE: Frequency band: LTE Band Uplink (MHz) Downlink (MHz) 2 1850 to 1910 1930 to 1990 4 1710 to 1755 2110 to 2155 5 824 to 849 869 to 894 7 2500 to 2570 2620 to 2690 66 1710 to 1780 2110 to 2200 Antenna Type: FPC Antenna Antenna Gain: LTE Band2: -1.13dBi LTE Band4: 0.91dBi LTE Band5: 1.88dBi LTE Band7: 0.52dBi LTE Band66: 0.91dBi Remark: The information in this section is provided by the applicant or manufacturer, SGS is not liable to the accuracy, suitability, reliability or/and integrity of the information. Declaration of EUT Family Grouping: Model No.: VL533, VL533 Pro, VL534, VL534 Pro, VL535, VL535 Pro, VL536, VL536 Pro, VL537, VL537 Pro, VL538, VL538 Pro, VL539, VL539 Pro Only the model VL533 was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used and in…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089802 Page: 1 of 49 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2603000898AT Applicant: Shenzhen Jimi IoT Co., Ltd. Address of Applicant: 3-4/F, Block A, Building#7, Shenzhen International Innovation Valley, Dashi 1st Road, Nanshan District Shenzhen China Manufacturer: Shenzhen Jimi IoT Co., Ltd. Address of Manufacturer: 3-4/F, Block A, Building#7, Shenzhen International Innovation Valley, Dashi 1st Road, Nanshan District Shenzhen China Factory: Huizhou Newthinking Electronics Co., Ltd. Address of Factory: 3-6F, Block 2, Building No. 1, Renluo Fifth Road, Shuikou Street, Huicheng District, Huizhou City, Guangdong, China Equipment Under Test (EUT): EUT Name: Electronic Logging Device Model No.: VL533, VL533 Pro, VL534, VL534 Pro, VL535, VL535 Pro, VL536, VL536 Pro, VL537, VL537 Pro, VL538, VL538 Pro, VL539, VL539 Pro   Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: Jimi IoT FCC ID: 2AMLF-VL533LA Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2026-03-10 Date of Test: 2026-03-17 to 2026-04-03 Date of Issue: 2026-04-08 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089802 Page: 2 of 49 Revision Record Version Chapter Date Modifier Remark 01 2026-04-08 Original Authorized for issue by: Darren Yuan/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089802 Page: 3 of 49 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.10.5 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2020) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2020) Section 6.6 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Maximum Conducted Output Power ANSI C63.10 (2020) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2020) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectral Density ANSI C63.10 (2020) Section 11.10.3 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 6.10.4 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Declaration of EUT Family Grouping: Model No.: VL533, VL533 Pro, VL534, VL534 Pro, VL535, VL535 Pro, VL536, VL536 Pro, VL537, VL537 Pro, VL538, VL538 Pro, VL539, VL539 Pro Only the model VL533 was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used and internal wiring and functions were identical for the above models, with only difference on model name. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260300089802 Page: 4 of 49 3 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Test Summary ........................................................................................................................................... 3 3 Contents .................................................................................................................................................... 4 4 General Information .................................................................................................................................. 6 4.1 Details of E.U.T. ................................................................................................................................. 6 4.2 Description of Support Units .............................................................................................................. 6 4.3 Measurement Uncertainty .................................................................................................................. 6 4.4 Test Location ...................................................................................................................................... 7 4.5 Test Facility ........................................................................................................................................ 7 4.6 Deviation from Standards ................................................................................................................... 7 4.7 Abnormalities from Standard Conditions ........................................................................................... 7 5 Equipment List .......................................................................................................................................... 8 6 Radio Spectrum Technical Requirement ............................................................................................. 10 6.1 Antenna Requirement ...................................................................................................................... 10 6.1.1 Test Requirement: ....................................................................................................................... 10 6.1.2 Conclusion ................................................................................................................................... 10 7 Radio Spectrum Matter Tes…

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1 Antenna Specification Manufacturer：Shanghai Shangyuan Communication Technology Co., Ltd. Address of manufacturer：Building 5, Nan Tai Yun Chuang Valley, Guang Ming District, Shenzhen City, 6th Floor 2.1 Basic Specifications No. Specification Descriptions Notes 1 Antenna model SY_VL533_BT_V0.2 2 Antenna type monopole 3 Operation Frequency 2.4-2.483GHz 4 Impedance 50ohm 5 Gain（MAX） [email protected]~2.483GHz 6 Efficiency ≥50% 7 VSWR ≤2.5 2.2 Efficiency/Gain： Frequency/Mhz Efficiency / dB Efficiency / % MaxGain/dBi 2400 -2.7 53.7 0.63 2410 -2.57 55.34 0.75 2420 -3.14 48.53 0.2 2430 -3.1 48.98 0.31 2440 -2.72 53.46 0.89 2450 -2.21 60.12 1.38 2460 -2.23 59.84 1.56 2470 -2.23 59.84 1.45 2480 -2.02 62.81 1.76 2490 -2.16 60.81 1.7 2500 -2.06 62.23 1.88 2.3 radiation pattern 2400M 2450M 2480M 2500M 1.3 Antenna Size