FCC ID: YZZGWN7813 Enterprise Layer 3 Managed Network Switch

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100.00mm 3 Model: GWN7813 INPUT: 100-240V~ 50-60Hz 1A 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. S/N XXXXXXXXXXXXXXXX MAC XXXXXXXXXXXX Password: XXXXXXXX P/N XXX-XXXXX-XXXXX CAN ICES-003(A) / NMB-003(A) FCC ID:YZZGWN7813 Made in China Grandstream Networks, lnc. 126 Brookline Avenue, 3rd Floor Boston, MA 02215, USA www.grandstream.com m m 0 0

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WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6493625.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case Grandstream Networks, Inc. 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA Tel: 1-617-5669300 Fax: 1-617-2491987 Email: Nwei@grandstream.com Attestation Letter Date: 2023/04/06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(5)(i) Filing FCC ID: YZZGWN7813 Grandstream Networks, Inc. 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 Contact Person: Ning Wei Title:Manager Company Name & Address: Grandstream Networks, Inc. &126 Brookline Ave, 3rd Floor Boston, MA 02215, USA CFR 47 2.911(d)(5)(i) Attestation Letter

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6493626.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case Grandstream Networks, Inc. 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA Tel: 1-617-5669300 Fax: 1-617-2491987 Email: Nwei@grandstream.com Attestation Letter Date: 2023/04/06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(5)(ii) Filing FCC ID: YZZGWN7813 Grandstream Networks, Inc. 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 Contact Person: Ning Wei Title:Manager Company Name & Address: Grandstream Networks, Inc.&126 Brookline Ave, 3rd Floor Boston, MA 02215, USA CFR 47 2.911 (d)(5)(ii) Attestation Letter

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6493622.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case Grandstream Networks, Inc. 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA Tel: 1-617-5669300 Fax: 1-617-2491987 Email: Nwei@grandstream.com FCC Authorization Date: 2023-04-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We Grandstream Networks, Inc., the undersigned, hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. 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. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature:

Ning Wei Manager QA-FR-170-B 7/29/2014

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6493623.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case Grandstream Networks, Inc. 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA Tel: 1-617-5669300 Fax: 1-617-2491987 Email: Nwei@grandstream.com FCC Confidential Authorization Date: 2023-04-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: YZZGWN7813 In accordance with Sections 0.457 and 0.459 of the Commissions Rules, Grandstream Networks, Inc. hereby requests long-term confidential treatment of information accompanying this application as outlined below:

Block Diagram Schematics Operation Description Parts List The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature:

Ning Wei Manager

Grandstream Networks, Inc. Address: 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA Tel: 1-617-5669300;

Fax: 1-617-2491987 Email: Nwei@grandstream.com Product Power Similarity Declaration Date: 2023/04/06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Grandstream Networks, Inc., hereby declare that we have a product named as Enterprise Layer 3 Managed Network Switch, FCC ID:YZZGWN7813 (model: GWN7813) was tested by China Certification ICT Co., Ltd (Dongguan), meanwhile, for our marketing purpose, the GWN7813 will be configured with two different AC power modules, the other is the same. We confirm that all information above is true, and well be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature:

Ning Wei Manager

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6493627.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case U.S. AGENT LETTER OF ATTESTATION Date: 2023-04-06 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(7) Filing FCC ID: YZZGWN7813 Grandstream Networks, Inc. certifies that, as of the date of the filing of the application, Grandstream Networks, Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Grandstream Networks, Inc. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Grandstream Networks, Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent and Applicant Information:

Name: Grandstream Networks, Inc. Address: 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA FRN: 0020352431 Tel.: 1-617-5669300 Email: Nwei@grandstream.com Signed by (printed name): Ning Wei Signature: