FCC ID: 2BBA3CBU-IPEX CBU-IPEX Module Datasheet

IHUA INDUSTRIES CO.,LTD.

(2023.05.26) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature:

Name: WU BO Title: Deputy general manager

(IHUA INDUSTRIES CO.,LTD.)

(May. 26, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID:2BBA3CBU-IPEX)

[IHUA INDUSTRIES 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,

(Applicant signature)

(Applicant printed name) WU BO

(IHUA INDUSTRIES CO.,LTD.)

(May. 26, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID:2BBA3CBU-IPEX)

[IHUA INDUSTRIES 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,

(Applicant signature)

(Applicant printed name) WU BO

Guangzhou Max Power New Energy Technology Co., LTD Date: May. 26, 2023 Federal Communications Commission To Whom It May Concern:

The letter grants authorization for representative of IHUA INDUSTRIES CO.,LTD. to apply the FCC for a change in identification. This authorization applies to Guangzhou Max Power New Energy Technology Co., LTD FCC ID: 2BAGRCBU-IPEX, granted on 04/21/2023, The equipment is electrically identical. We are aware that IHUA INDUSTRIES CO.,LTD. intends to market the above referenced product under FCC ID: 2BBA3CBU-IPEX The only changes are the applicant's name, address, and trademark. The original test results, technical information and relevant documents continue to be representative of and applicable to the change ID equipment. Should there be any question, please feel free to contact us. Clients signature Clients name / title: Jason lee / General manager Telephone: 13538218145 Email: Jason.lee@mxpnet.com

< IHUA INDUSTRIES CO.,LTD. >

Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 Company name: IHUA INDUSTRIES CO.,LTD. FCC ID: 2BBA3CBU-IPEX Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 Module Certification Guide v02. FCC ID: 2BBA3CBU-IPEX has been examined against the following requirements. Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 Modular Certification Guide v02 1. The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly Explanation from Grantee

(do not write yes/no, but explain why product complies/how it is achieved) The modular have the radio frequency circuitry shielded 2. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal All modulation and data inputs are buffered by circuitry on the transmitter chip BK7231N, as is shown in the schematic. 3. The module must contain power supply regulation on the module 4. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) 5. The module must demonstrate compliance in a stand-

alone configuration 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) 7. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee 8. The module must comply with RF exposure requirements Power supply regulation is provided by circuitry on the transmitter chip BK7231N, as is shown in the schematic. EUT module contain a permanently attached antenna. Please reference the exhibition Test Report. Please reference exhibition Test Configuration Photo for the stand-alone test configuration. The instruction on the labelling rule of the end product has been stated in the Users manual of this module. Please also see the exhibition Label Sample. The required FCC rule has been fulfilled and all the instructions for maintaining compliance has been clearly stated in the Users Manual. Please refer exhibition RF Exposure for the compliance of MPE RF exposure rule. Name: WU BO Date: 2023.05.26 Title: Deputy general manager Signature of applicant

IHUA INDUSTRIES CO.,LTD. Date: May. 26, 2023 Subject: Request to change in Identification To Whom It May Concern:

This application for Change of Identification request a new FCC ID as stipulated in 47CFR 2.933(b) for presently authorized equipment. This application by IHUA INDUSTRIES CO.,LTD. will establish a new FCC ID under FCC ID: 2BBA3CBU-IPEX for the purpose of marketing. The original grant to Guangzhou Max Power New Energy Technology Co., LTD FCC ID: 2BAGRCBU-IPEX will remain in effect. Per 2.933(b) 1) The original identification is FCC ID: 2BAGRCBU-IPEX 2) The original grant date is 04/21/2023 3) The equipment is electrically and functionally identical. Only the applicant name , address, Product name , label, and FCC ID number are different. 4) The original test results are applicable and representative of this change ID device 5) Exterior photographs are included in this application Clients signature Clients name / title: WU BO / Deputy general manager Telephone: 13538214502 Email: bob.wu@ihuagroup.com

Attestation Statements

(May. 26, 2023) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID:2BBA3CBU-IPEX)

(IHUA INDUSTRIES CO.,LTD.), the undersigned, hereby authorize (T2 Solutions) to act as our designated U.S. agent for service of process, (IHUA INDUSTRIES CO.,LTD.) 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.

(T2 Solutions) accepts the responsibility to act as designated U.S. agent for service of process, provides 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. Applicant Information Company name: IHUA INDUSTRIES CO.,LTD. Contact Name: WU BO Address: NO.1 Xi Xiang Road, HengLi Town, DongGuan, China. Telephone No: 13538214502 Email: bob.wu@ihuagroup.com U.S. Agent Information:

Company Name: T2 Solutions Address:25 BOLAND CT, GREENVILLE, SC 29615 Contact Name: TOM WILKE Telephone No:(864)320-3715 Email: 404463555@qq.com FRN: 0033662362 Applicant Signature:

Agent Signature:

Applicant printed name: WU BO Agent printed name: TOM WILKE