FCC_Long Term Only Confidentiality Request Rev4.0


Cover Letter(s)

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                              Shenzhen ChenDaZhiKe Electronic Co.,Ltd

Office of Engineering Technology
Federal Communications Commission
7435 Oakland Mills Road
Columbia, MD 21046
                                                                                      Date: April 08, 2019
Subject: Request for Confidentiality

To Whom It May Concern,

Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457,
0.459), we are requesting the Commission to withhold the following attachment(s) as confidential
document from public disclosure indefinitely.
         Schematic Diagram/Circuit Diagram
         Block Diagram
         Circuit Description/Operational Description/Theory of Operation
         Bom List

Above mentioned document contains detailed system and equipment description are considered
as proprietary information in operation of the equipment. The public disclosure of above
documents might be harmful to our company and would give competitor an unfair advantage in
the market.

It is our understanding that all measurement test reports, FCC ID label format and correspondent
during certification review process cannot be granted as confidential documents and those
information will be available for public review once the grant of equipment authorization is

Yours Sincerely,
[Xiaosan Zhao]
<Signature of applicant’s contact>

Name of applicant’s contact (Title) on Date: April 08, 2019

Document Created: 2019-04-08 19:09:22
Document Modified: 2019-04-08 19:09:22

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