FCC ID: 2AC7Z-ESPC6MINIU 2.4GHz Wi-Fi & BT IoT Module

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(Insert company letter head) Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Certification designating a U.S. agent for service of process pursuant to Part 2.911(d)(7) To whom it may concern, ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD, 2AC7Z(the applicant) certifies that, as of the date of the filing of application, [Grid Connect, Inc.] (the agent) is designated as the U.S. agent for the purpose of accepting service of process on behalf of the applicant. The physical U.S. address and email for the designated agent are:

Physical U.S. address: [1630 W. Diehl Road, Naperville, IL 60563]

Email: [EspressifUSAgent@gridconnect.com]

The applicant accepts 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. The agent accepts the designation by (the applicant) as the U.S. agent to accept service of process includes, but is not limited to, delivery of any correspondence, notices, orders, decisions, and requirements of administrative, legal, or judicial process related to Commission proceedings. Signed by the Applicant FRN: 0023938848 Signed by the Agent (if different from the Applicant) FRN: 0024737660 Name: Mia Zhou Title: Certification Manager Name: M.B. Justice Title: President Email: zhoumiaomiao@espressif.com Email: EspressifUSAgent@gridconnect.com Date:July 20, 2023 Date: July 20, 2023