FCC Confidentiality Request for Depusheng Audio Equipment Models

ShenZhen Depusheng Electronics CO.,LTD

(April 23, 2025)

Eurofins Electrical and Electronic Testing NA, Inc.

914 West Patapsco Avenue

Baltimore, MD 21230

RE: CONFIDENTIALITY REQUEST FOR Audio Equipment Models PA8, HT7, DX6, DX8, DX12, DX16, PA6, PA12, PA16, G4, G6, G8, DT8, DT12, FG8, FG12, AG8, BF4+, BF6+, M4, M6, UF4-M, UF6-M, BO4-M, FD4, FD7, FG6, DE8, BE8, TC8 (FCC ID: 2BOYG-PA8)

To Whom It May Concern:

This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. ShenZhen Depusheng Electronics CO.,LTD has requested that the following exhibits be permanently withheld from public review:

Exhibits	Long-Term Confidentiality	Short-Term Confidentiality NOTE 2
ID Label/Location	No	No
Attestation Statement	No	No
External Photos	No	☐
Block Diagram	☑	☐
Schematics	☑	☐
Test Report	No	No
Test Setup Photos	No	☐
User's Manual	☐ NOTE 1	☑
Internal Photos	☐ NOTE 1	☑
Parts List / Tune Up	☐	☐
RF Exposure Info	No	No
Operational Description	☑	☐
Cover Letter(s)	No	No
SDR Software / Security Info	☐	No

NOTE 1: User's Manual and Internal Photos are requested for short-term confidentiality only.

NOTE 2: Short-Term Confidentiality refers to a temporary period during which documents are withheld from public disclosure.

The aforementioned documents contain detailed system and equipment descriptions considered as proprietary information regarding the operation of the equipment. The public disclosure of these documents might be harmful to ShenZhen Depusheng Electronics CO.,LTD and could give a competitor an unfair advantage in the market.

For any further information, please contact ShenZhen Depusheng Electronics CO.,LTD.

Sincerely,

[Signature: Jia wenzheng]

Name: Jiawen Zheng

Title: Manager

	ShenZhen Depusheng Electronics Audio Equipment Product Similarity Declaration ShenZhen Depusheng Electronics CO.,LTD declares the electrical and mechanical identity of numerous audio equipment models, including DT, DX, HT, PA, MX, FG, M, G, MG, BM, KA, DPA, UF, and other series. Differences are limited to model number, appearance color, and key shape.
	Letter of Authorization for ShenZhen Depusheng Electronics Audio Equipment FCC Approval This document is a letter of authorization from ShenZhen Depusheng Electronics CO.,LTD, granting LGAI Technological Center S.A. permission to act on their behalf for FCC approval of various audio equipment models, including DT8, DX6, and MX series.
	FCC Test Report for Audio Equipment (FCC ID: 2A57K-DT8) This FCC Test Report details the compliance testing of audio equipment models (DT8, DX6, etc.) manufactured by ShenZhen Depusheng Electronics CO.,LTD, under FCC ID 2A57K-DT8. It covers conducted and radiated emissions, maximum peak output power, bandwidth, frequency separation, hopping channels, dwell time, and band edge requirements, confirming compliance with FCC CFR47 Part 15 regulations.
	ShenZhen Depusheng Electronics CO., LTD Agent Authorization Letter Agent authorization letter from ShenZhen Depusheng Electronics CO., LTD to Eurofins Electrical and Electronic Testing NA, Inc. authorizing Shenzhen CTB Testing Technology Co., Ltd. for equipment authorization applications.
	FCC Attestation Statement for ShenZhen Depusheng Electronics CO.,LTD PA8 Equipment Certification from ShenZhen Depusheng Electronics CO.,LTD confirming that their equipment (FCC ID: 2BOYG-PA8) is not 'covered' equipment as defined by FCC rules, submitted to Eurofins Electrical and Electronic Testing NA, Inc.
	ShenZhen Depusheng Electronics CO.,LTD FCC Agent Designation for 2BOYG-PA8 Official U.S. Agent Designation letter from ShenZhen Depusheng Electronics CO.,LTD appointing GLOCERTS TECHNOLOGY INC as their agent for FCC authorization purposes for equipment with FCC ID 2BOYG-PA8.
	ShenZhen Depusheng Electronics Audio Equipment Compliance Proof Compliance proof document for ShenZhen Depusheng Electronics CO.,LTD's Audio Equipment (model 2BOYG-PA8), detailing its inability to support cybersecurity software and requirements for compliance.
	FCC Attestation Statement for ShenZhen Depusheng Electronics CO.,LTD - FCC ID 2BOYG-BF6 Official attestation statement from ShenZhen Depusheng Electronics CO.,LTD for FCC ID 2BOYG-BF6, confirming compliance with 'covered equipment' regulations and restrictions on specific software.

RE: CONFIDENTIALITY REQUEST FOR Audio Equipment Models PA8, HT7, DX6, DX8, DX12, DX16, PA6, PA12, PA16, G4, G6, G8, DT8, DT12, FG8, FG12, AG8, BF4+, BF6+, M4, M6, UF4-M, UF6-M, BO4-M, FD4, FD7, FG6, DE8, BE8, TC8 (FCC ID: 2BOYG-PA8)

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