FCC ID: 2APUQ-W15118GP LAPTOP

Hunan Greatwall Computer System Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 9 April 2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2APUQ-W15118GP Hunan Greatwall Computer System 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, Zhengde zhang Rev 1/26/2023 Hunan Greatwall Computer System Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 9 April 2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2APUQ-W15118GP Hunan Greatwall Computer System 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. Hunan Greatwall Computer System Co.,Ltd certifies that, as of the date of the filling of the application, the applicant is not identified on the Cover list (as specifically named entity or any of its subsidiaries or affiliates) as an entity producingcovered equipment. Sincerely, Zhengde zhang Rev 1/26/2023

Date: 3 April 2024 Hunan Greatwall Computer System Co.,Ltd To:

Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The Hunan Greatwall Computer System Co.,Ltd, the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the Hunan Greatwall Computer System Co.,Ltd solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2APUQ-W15118GP including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the Hunan Greatwall Computer System Co.,Ltd. The Hunan Greatwall Computer System Co.,Ltd also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. Section 862. Yours Sincerely, _______ Zhengde zhang

Date: 3 April 2024 Hunan Greatwall Computer System Co.,Ltd To:

Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Hunan Greatwall Computer System Co.,Ltd FCC ID: 2APUQ-W15118GP FCC Certification Confidentiality Request Gentlemen:

This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Hunan Greatwall Computer System Co.,Ltd requests that the following documents regarding this submission for FCC ID: 2APUQ-W15118GP be kept confidential:

Exhibit Type Block Diagram Schematics Operational Description Tune-Up-Procedure File Name Block Diagram.pdf Schematics.pdf Operational Description.pdf Tune up procedure.pdf Those documents contain detailed system and equipment description and related information about the product which Hunan Greatwall Computer System Co.,Ltd considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Hunan Greatwall Computer System Co.,Ltd considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours Sincerely, Zhengde zhang

Hunan Greatwall Computer System Co.,Ltd

[Hunan Greatwall Computer System Co.,Ltd]

[Hunan GreatWall Industrial Park, Xiangyun Middle Road, Tianyuan District ]

[Zhuzhou, Hunan Province]

[China]

Date: April 11, 2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FRN: 0027509892 FCC ID: 2APUQ-W15118GP US Agent Attestation Statement / Part 2.911(d)(7)

[Hunan Greatwall Computer System Co.,Ltd] certifies, that as of April 11, 2024, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2APUQ-

W15118GP.

[Hunan Greatwall Computer System 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 [Hunan Greatwall Computer System Co.,Ltd] for FCC ID: 2APUQ-W15118GP. Designated Agent Information:

Company Name: FCC US Agent, LLC Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN: 0033402884 Contact Person: Tim Payne Phone: 708-571-3148 Email: Support@FCCUSAgent.com Sincerely, Company: [Hunan Greatwall Computer System Co.,Ltd]

Company Representative: [Zhengde Zhang] Designated Agent Representative: Tim Payne Signature:

Designated Agent: FCC US Agent, LLC Signature: