OJBCR701YZ Wireless Gas/Carbon Monoxide Alarm Cover Letter <COMPANY HEADER> Shenzhen Yongchangda Electronics Co., Ltd.

< Shenzhen Yongchangda Electronics Co., Ltd.>
Office of Engineering Technology
Federal Communications Commission
7435 Oakland Mills Road
Columbia, MD21046
Date: 2017/8/29
Subject; Request for Confidentiality
FCC ID: 2AGV5-OJBCR701YZ
To Whom It May Concern,
Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are
requesting the Commission withhold the following attachment(s) as confidential documents from
public disclosure indefinitely.
These documents contain detailed system and equipment descriptions and are considered as
proprietary information in operation of the equipment. The public disclosure these documents
might be harmful to our company and would give competitor an unfair advantage in the market.
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Block Diagram
Schematic Diagram
Operational Description
It is our understanding that ID Label/Location, Attestation statements, Test Reports, RF Exposure
Information, and Cover Letters cannot be granted as confidential documents and this information
will be available for public review once the grant of equipment authorization is issued.
Sincerely,
Signature:
Name: Amy Lee
Title: Sales manager