2BDEW-DWS2A-4Intelligent stataic monitor

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: UGK-LVM UNITED INC 0033476375 Jimmychen 6547 N Academy Blvd #2266,Colorado Springs,CO 80918 United Statees 001-323-510-4660 ugk- FRN: Contact Name: Address: Telephone No: Email:[email protected] Telephone: 86- Applicant: Company name: SHENZHEN YESSYS TECHNOLOGY CO., LTD FRN:0034424671 Grantee code: 2BDEW FCC ID: 2BDEW-DWS2A-4 Contact Name:Meiying Liu Address: Room 1307,Building 31, Lianchuang Science And Technology Park, No. 21 Bulan Road Xialilang Community, Nanwan Street,Longgang District, Shenzhen, China 13416819658 Fax: 86-13416819658 E-mail: [email protected] [SHENZHEN YESSYS TECHNOLOGY CO., LTD] certifies that, as of the date of this filing of the application with the TCB, [UGK-LVM UNITED INC] is our designated US agent for service of process for the above referenced FCC ID. [SHENZHEN YESSYS TECHNOLOGY CO., LTD] 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 equipment. [UGK-LVM UNITED INC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/11/02 Applicant’s Name: Meiying Liu US Agent’s Name: Jimmychen Title: Manager Title: Manager Signature Signature

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: SHENZHEN YESSYS TECHNOLOGY CO., LTD Grantee code: 2BDEW FCC ID: 2BDEW-DWS2A-4 Contact Name: Meiying Liu Address: Room 1307,Building 31, Lianchuang Science And Technology Park, No. 21 Bulan Road Xialilang Community, Nanwan Street,Longgang District, Shenzhen, China Telephone: 86-13416819658 Fax: 86-13416819658 E-mail: [email protected] i. [SHENZHEN YESSYS TECHNOLOGY CO., LTD] (“the applicant”) 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. The applicant must sign this certification. ii. [SHENZHEN YESSYS TECHNOLOGY CO., LTD] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [SHENZHEN YESSYS TECHNOLOGY CO., LTD] (“the applicant”) 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 . Date: 2023/11/02 Applicant’s Name: Meiying Liu Title: Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

SHENZHEN YESSYS TECHNOLOGY CO., LTD Product Similarity Declaration Company name: SHENZHEN YESSYS TECHNOLOGY CO., LTD Address: Room 1307,Building 31, Lianchuang Science And Technology Park, No. 21 Bulan Road Xialilang Community, Nanwan Street,Longgang District, Shenzhen, China Product Name: Intelligent stataic monitor FCC ID: 2BDEW-DWS2A-4 Model(s): DWS2A-4, SMM-04, DWS4A We (SHENZHEN YESSYS TECHNOLOGY CO., LTD) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name and appearance color. Client’s signature Name: Meiying Liu Date: 2023-11-02 Title and Company name: Manager SHENZHEN YESSYS TECHNOLOGY CO., LTD