REQUEST FOR CONFIDENTIALITY - FCC

Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission's Rules and FCC Guidance document 726920, we hereby request confidential treatment of information accompanying this application as outlined below:

PERMANENT LONG-TERM CONFIDENTIALITY:

• Schematics
• Block Diagrams
• Theory of Operation

The above information contains trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application.

Sincerely,

Signed: Mao wen zhe
Printed name: Wenzhe Mao
Title: Supply chain director