FCC ID: 2BARK-TX4000 Telematics Box

FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help important announcement FCC

850 300

9 32.00

II

IV

V

2

4

12

13

25

26A

26B

38

/GLONASS/Galileo

GSM CAN2

GPS CAN1

Telematics Box et Model:TX4000 C FCC ID: 2BARK-TX4000 =

Input:9~36V==150mA IP65 Name:Lingong Heavy Machinery Co., Ltd Add:No. 2676, Kejia Road, High tech Zone, Jinan, Shandong

Lingong Heavy Machinery Co., Ltd No. 2676, Kejia Road, High tech Zone, Jinan, Shandong, China Date: April 10, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BARK-TX4000 US Agent Attestation Statement / Part 2.911(d)(7) Lingong Heavy Machinery Co., Ltd certifies, that as of April 06, 2023, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2BARK-TX4000. Lingong Heavy Machinery Co., Ltd, accepts to maintain an agent of 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. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Lingong Heavy Machinery Co., Ltd for FCC ID: 2BARK-TX4000 Designated Agent Information:

Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: Support@FCCUSAgent.com Sincerely, Company: Lingong Heavy Machinery Co., Ltd Designated Agent: FCC US Agent, LLC Company Representative: Wang huanli Designated Agent Representative: Tim Payne

Signature: Waeg ivan Signature: Tim Sorina Payne Breonsese

Lingong Heavy Machinery Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023-4-10 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BARK-TX4000 Lingong Heavy Machinery Co., Ltd (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. Sincerely, Signature: Wanghoan Name: Wang huanli Title: Manager Company: Lingong Heavy Machinery Co., Ltd Address: No. 2676, Kejia Road, High tech Zone, Jinan, Shandong, China Date: 2023.4.10 Rev 1/26/2023 Lingong Heavy Machinery Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023-4-10 Ref: Attestation Statements Part 2.91:1(d)(5)(i) Filing FCC ID: 2BARK-TX4000 Lingong Heavy Machinery 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. Sincerely, Signature: Wanghuanl Name: Wang huanli Title: Manager Company: Lingong Heavy Machinery Co., Ltd Address: No. 2676, Kejia Road, High tech Zone, Jinan, Shandong, China Date: 2023.4.10 Rev 1/26/2023

Lingong Heavy Machinery Co., Ltd Federal Communications Commission Authorization and Evaluation Divi Confidentiality Request regarding application for certification of FCC ID: 2BARK-TX4000. Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics.pdft Operational Description Operational Description.pdf Tune up procedure Tune up procedure.pdf PCB Layout PCB Layout.pdf BOM List BOM List.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DAO4-1705 June 15, 2004 of the Commissions public notice, we also request temporary confidential treatment of information accompanying this application as outlined below:

we request the following attachments to be kept confidential for a short period of time until within O days from the date of submitting the FCC.) Exhibit Type File Name Sincerely, Signature: lang hank Name: Wang hua Title: Manager Company: Lingong Heavy Machinery Co., Ltd Address: No. 2676, Kejia Road, High tech Zone, Jinan, Shandong, China Date: 2023.4.10 Rev 11/20/07

Declaration Date: 2023-4-13 To whom it may concern, With regard to the application for TX4000 We, Lingong Heavy Machinery Co., Ltd, hereby declare that product name: Telematics Box Model no.: TX4000, which uses the module model EG25-G, has completely the same design structure without any change. Declared by: Lingong Heavy Machinery Co., Ltd Person Responsible for making this statement:

Title: Manager Place: No. 2676, Kejia Road, High tech Zone, Jinan, Shandong, China Date:2023-4-13

Quectel Wireless Solutions Co., Ltd Date: 2023-04-17 Subject: Authorization and Confidentiality request To Whom It May Concern:

Quectel Wireless Solutions Co., Ltd is the original identification of EG25-G. Lingong Heavy Machinery Co., Ltd would like to submit the original module test reports:

HR/2019/1001601, which issued on 2019/2/28 by SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch. in establishing new FCC certificate, for the host by integrating the identical certified module. Signatur?

Name Comparyevaime: Quectel Wirelgss Solutions Co., Ltd Address ; ai Business Park Phase III (Area B), No. 1016 Tianlin Road, Mihang District, g 5, Shang Tel: 021-51086:

Email: certification@quectel.com Page 1 of 1

Lingong Heavy Machinery Co., Ltd Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023-4-10 SUBJECT: FCC ID: 2BARK-TX4000 To Whom It May Concern:

We, the undersigned, hereby authorize Alisa Feng at GRG METROLOGY & TEST GROUP CO., LTD on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by GRG METROLOGY & TEST GROUP CO., LT on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, t Signature: \AJ ongha Name: Wang huanli Title: Manager Company: Lingong Heavy Machinery Co., Ltd Address: No. 2676, Kejia Road, High tech Zone, Jinan, Shandong, China Date: 2023.4.10 C:\Users\1004\Desktop\FCC 48F: 3C{-\POA_Letter.docx