FCC ID: 2A2UNR4DESC 4-CHANNEL RECEIVER

1 1 , 2022.12.7 1 9.5mm 17.73mm 14.2mm 25mm PANTONE 485 C PANTONE Black 6C PANTONE Cool Gray 9C White 0.10 FS-R4D-ESC FS-R4D-ESC 0.175PC+3M9448A Adobe Illustrator CC 2017 20220616 01

ShenZhen FLYSKY Technology Co.,Ltd DATE : 2023-03-22 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A2UNR4DESC Product Name: 4-CHANNEL RECEIVER Request for Confidentiality To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to 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 of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Signature: Name: Kyle Li Title: RD Manager

ShenZhen FLYSKY Technology Co.,Ltd Covered Equipment Certification Attestation Letter 3/22/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2A2UNR4DESC ShenZhen FLYSKY Technology Co.,Ltd certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not covered equipment. ShenZhen FLYSKY Technology Co.,Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Signed: Printed name: Kyle Li Title: RD Manager Company Name: ShenZhen FLYSKY Technology Co.,Ltd Date: 3/22/2023

ShenZhen FLYSKY Technology Co.,Ltd U.S. Agent Designation for Service of Process -

Certification Attestation Letter 3/22/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2A2UNR4DESC Per section 2.911(d)(7) of the FCC rules, ShenZhen FLYSKY Technology Co.,Ltd certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process:

Company Name: Baihetian Innovative Solutions Physical U.S. Company Address: 6837 Chase Rd, Dearborn, MI 48126, USA Contact Person: Kenneth Young Agent Email Address: ken.young@baihetiansolutions.com FRN: 0033401605 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed:

Agent Signed (if different to Applicant):

Signed:

Signed:

Printed name: Kyle Li Title: RD Manager Company Name: ShenZhen FLYSKY Technology Co.,Ltd Date: 3/22/2023 Printed name: Kenneth Young Title: Manager Company Name: Baihetian Innovative Solutions Date: 3/22/2023

*the applicant must designate a contact located in the United States for purposes of acting as the applicants agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process.