FCC ID: 2AHJO-PA3103 RedMagic Dual-core Cooler

FCC regulatory conformance 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.

(2) This device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the users authority to operate the equipment. RF Exposure This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.

Model:PA3103 RedMagic Dual-core Cooler FCC ID:2AHJO-PA3103 CMIIT ID:

Model:PA3103 RedMagic Dual-core Coo FCC ID:2AHJO-PA3103 CMIIT ID}

Nubia Techni Made In China ce ology Co., Ltd. Sti RAR AIRS)

Nubia Technology Co., Ltd. Date: May 14, 2021 To:

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

The Nubia Technology Co., Ltd., the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the Nubia Technology Co., Ltd. solely in matters relating to the application for an FCC equipment authorization for FCC ID:

2AHJO-PA3103 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 Nubia Technology Co., Ltd. The Woan Technology (Shenzhen) 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, Print name: Gong Bolin Title: Manager Nubia Technology Co., Ltd.

Nubia Technology Co., Ltd. Date: May 14, 2021 To:

Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 RE: Nubia Technology Co., Ltd. FCC ID: 2AHJO-PA3103 FCC Certification Confidentiality Request Gentlemen:

This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Nubia Technology Co., Ltd. requests that the following documents regarding this submission for FCC ID :

2AHJO-PA3103 be kept Long-Term confidential:

Exhibit Type Block Diagram Schematics Operational Description File Name Block Diagram.pdf Schematics.pdf Operational Description.pdf And below exhibit kept short-term confidential (180 days):

Exhibit Type External Photos Internal Photos Test Setup Photos Users Manuals File Name External Photo.pdf Internal Photo.pdf Test Setup Photos.pdf Users Manual.pdf Those documents contain detailed system and equipment description and related information about the product which Nubia Technology 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, Nubia Technology 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. Thank you for your attention to this matter. Yours Sincerely, Print name: Gong Bolin Title: Mangaer Nubia Technology Co., Ltd.