Confidential Letter

FCC ID: XHT-10087

Cover Letter(s)

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FCCID_4432749

                                            APPENDIX E (Option 1)
                                    Guangdong Yinrun Industry Co.,Ltd.
Attention: Certification reviewer

RE:      Request for Confidentiality
         FCC ID: XHT-10087

To Whom It May Concern:

   Permanent Confidentiality [Complete this section if permanent confidentiality is requested]

Request to withhold permanently from public review certain portions of the application for equipment
certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47
CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be
kept permanently confidential:
[Select one or more of items below, as appropriate, and delete unselected parts]
          Schematics
          Block Diagrams
          Operational Description
          Internal Photos (see note)
          Users Manual (see note)
         Note 1: Internal Photos may be held confidential 1) if the circuit board or internal components are not accessible
                 to users. For example, it is acceptable if the circuit board is enclosed in epoxy. 2) Also, it is acceptable if
                 the device is not accessible to the public, for example, a device mounted on the top of a large tower (or
                 in a fenced enclosure) such that it is only serviceable by professional designated technicians under a
                 Non-Disclosure Agreement (NDA). All sales for these devices must be under a NDA restricting the
                 disclosure of the propriety information, including internal photos.
                 Users Manual may be held confidential only when the manual contains proprietary technical information
                 intended for professional technicians obligated under a NDA. All sales and distribution of the user’s
                 manual must be under a NDA that restricts the disclosure of the information.
                 In the application cover letter requesting permanent confidentiality the following additional description
                 and the NDA exhibit is required:
                 1. Describe in detail how internal photos and/or users manual information are controlled to prevent them
                    from becoming public or disclosed to unauthorized persons.
                 2. Describe how public access is restricted for products serviceable by professional designated
                        technicians.
                 3. A statement that all sales of the non-consumer device will be under a NDA to include third party sales
                    and that the final user of the device is subject to the NDA.
                 4. Provide an example of the NDA between the grantee and a purchaser. The request for confidentiality
                        must
         Note 2: For scanning receiver, the schematics, block diagrams, operational description, tune-up procedure, parts list and
                 internal photos are always held permanently confidential.

Rationale for request for confidentiality:

We have invested considerable time and materials in research and development to produce the referenced
product.
    Permanent confidentiality: Disclosure of the permanently confidential portions of this application to
competitors would not only give them significant competitive advantages in developing similar products,
but would also disclose successful implementation of unpublished, leading edge technology developed by
us.

If you have questions or need further information, please contact the undersigned.
Sincerely,

_________________
CYRUS YANG
GENERAL MANAGER
2019-7-23



Document Created: 2019-07-23 13:56:32
Document Modified: 2019-07-23 13:56:32

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