FCC ID: 2A7GM-PCPROC Data Transfer Unit

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POWER CENTER Data Transfer Unit Model: Pe-bro-c Input: SV==2A Feb: 2a7eM-PcPROC Contang FCC 1D4R20190266256 Fe

Company Name: Power Center Add: 5400 Hellyer Ave, San Jose CA 95138, United States Tel: (805) 402-6814 Fax: N/A E-mail: apatel@powercenter.us Attestation Letter Date: 2023-07-13 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(5)(i)(ii) Filing FCC ID: 2A7GM-PCPROC Power Center (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. Power Center (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 Contact Person: Aakar Patel Title: Engineer Company Name &Address: Power Center / 5400 Hellyer Ave, San Jose CA 95138, United States CFR 47 2.911(d)(5)(i)(ii) Attestation Letter

Company name: Hoymiles Power Electronics Inc. Address: No. 18 Kangjing Road, HangZhou, Zhejiang Province, P.R. China Tel:18606510925 Fax: 0571-89775160 Email: bigyu@hzconverter.com FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date:2023-07-13 Re:Change of Identification Authorization, FCC ID: 2A7GM-PCPROC To Whom It May Concern:

This letter grants authorization for representatives of Power Center to apply to the FCC for a change inidentification as specified under 47CFR2.933 of the FCC rules. This authorization applies to Hoymiles Power Electronic Inc., product name:

Data Transfer Unit,FCC ID: 2ARNB-DTUPROC We are aware that Power Centerintends to market the above referenced product under their own FCC ID:2A7GM-PCPROC SincerelyYours, Signature:

Typed or Printed Name: Hongbin Yu Title: Senior Engineer QA-FR-183-A

Company: Power Center Add: 5400 Hellyer Ave, San Jose CA 95138, United States Tel: (805) 402-6814 Fax: N/A E-mail: apatel@powercenter.us FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date:2023-7-13 Subject: Request Change in Identification Dear Regulatory Authority, This Change of Identification request applies for a new FCC ID: 2A7GM-PCPROC as established in 47CFR2.933 (b) for a currently approved device. This application by Power Center will establish a new FCC ID: 2A7GM-PCPROC under Power Center grant code for purpose of marketing. The original grant to Hoymiles Power Electronic Inc. will remain in effect per 2.933(b). 1. The original identification is 2ARNB-DTUPROC 2. The original grant date is 06/14/2023 3. The equipment is electrically identical, only the applicant, model name, trade mark and FCC ID number are different. 4. The original test results are applicable and representative of this changed device. 5. External photographs are included in this application The following files are electronically submitted as attachments:

Authorization Letter from Original Grantee Change in ID Request Letter FCC ID Authorization letter External Photos of New Application FCC ID Label Format and Location of New Application Sincerely, Signature:

Typed or Printed Name: Aakar Patel Title: Engineer QA-FR-182-A

Company Name: Power Center Add: 5400 Hellyer Ave, San Jose CA 95138, United States Tel: (805) 402-6814 Fax: N/A E-mail: apatel@powercenter.us FCC Authorization Date: 2023-07-13 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We, Power Center 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:

Printed Name: Aakar Patel Title: Engineer QA-FR-170-B

U.S. AGENT LETTER OF ATTESTATION Date: 2023-07-13 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A7GM-PCPROC Power Center (the Applicant) certifies that, as of the date of the filing of the application, Power Center (U.S. agent). is our designated U.S. agent for service of process for the above referenced FCC ID. Power Center (the Applicant)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. Power Center (U.S. agent) 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. Applicant /Designated U.S. Agent Information:

Company Name: Power Center Address: 5400 Hellyer Ave, San Jose CA 95138, United States FRN: 0032518417 Tel.: (805) 402-6814 Email: apatel@powercenter.us Signed by (printed name): Aakar Patel Signature:

CFR 47 2.911(d)(7) U.S Agent