2AQSN-DCPSTG48LED String Light

C5266091_X23_Ed.1 1/1 US AGENT LETTER OF ATTESTATION US Agent: Joey Khatri Company Name: Dals Lighting Inc. Contact Name: Joey Khatri FRN: 0022250401 Address: 4383, NW 124th Ave., Coral Spring, Florida 33065 Telephone No: 1-877-430-1818 Fax No: Email: [email protected] TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 This letter is to confirm that we have accepted the responsibility to act as US agent representative on behalf of the (DALS Lighting, Inc) noted below for all future FCC certification/registrations obtained during the period of this agreement, which ends at the specified date below. As per US agent, we are aware of the requirements involved as outlined in FCC Equipment Authorization Program in their Report and Order FCC 22-84 and the clause § 2.911 Application requirements. Applicant Company name: DALS Lighting, Inc Grantee code: 2AQSN FCC ID: 2AQSN-DCPSTG48 Contact Name: Shawn Johal Address: 80 De La Seigneurie East Blainville, Quebec, J7C 4N1 Canada Telephone No: 450 430-1818 Fax No: 450-430-1850 Email: [email protected] The Applicant acknowledge the acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Date: 2023/02/07 Applicant’s Name: Shawn Johal US Agent’s Name: Joey Khatri Title: President Title:President Signature Signature

C5266091_X24_Ed.1 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: DALS Lighting, Inc Grantee code: 2AQSN FCC ID: 2AQSN-DCPSTG48 Contact Name: Shawn Johal Address: 80 De La Seigneurie East Blainville, Quebec, J7C 4N1 Canada Telephone No: 450 430-1818 Fax No: 450-430-1850 Email: [email protected] i. [DALS Lighting, Inc] (“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. [DALS Lighting, Inc] (“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. The applicant must sign this certification. Date: 2022/02/07 Applicant’s Name: Shawn Johal Title: President 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

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: DALS Lighting, Inc Address: 80 De La Seigneurie East Blainville, Quebec, J7C 4N1 Canada Product Name: LED String Light Model Number: DCP-STG48 FCC Identifier: 2AQSN-DCPSTG48 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Shawn Johal Date: 2023-2-6 Title: President Signature of applicant:

C5266091_X10_Ed.2 1/1 DALS Lighting, Inc Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-2-6 Subject: Request for Confidentiality FCC ID: 2AQSN-DCPSTG48 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. 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: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Shawn Johal Title: President

GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 4 Product Name: LED String Light Test Model No.: DCP-STG48 EUT Constructional Details GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 4 GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 4 GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 4 ------End------

GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 3 Product Name: LED String Light Test Model No.: DCP-STG48 EUT Constructional Details GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 3 Antenna GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 3 ------End------

Global United Technology Services Co., Ltd. 1 / 2 FCC ID: 2AQSN-DCPSTG48 1. RF EXPOSURE 1.1. The Requirement System operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the Commission’s guidelines. See Section 15.247(b)(4) and Section 1.1307(b)(1) 1.2. Limit For Maximum Permissible Exposure (MPE) Limits for General Population/ Uncontrolled Exposure F = frequency in MHz, * Plane-wave equivalent power density 1.3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the BLE antenna is 2.5dBi and the gainthe RF power density can be obtained. Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) ( 2 mW/cm ) Averaging Time 2 E , 2 H or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 f/1500 30 1500-100,000 1.0 30 Global United Technology Services Co., Ltd. 2 / 2 1.4. TEST RESULTS BLE mode Test Frequency (MHz) Minimum Separation Distance (cm) Output Power (dBm) Target power (dBm) Target power (mW) Antenna Gain (Numeric) Power Density Limit (mW/cm 2 ) Power Density At 20 cm (mW/cm 2 ) Test Results 2402 20.00 3.951 4±1 3.162 1.75 1 0.0011 Pass 2440 20.00 3.815 4±1 3.162 1.75 1 0.0011 Pass 2480 20.00 3.776 4±1 3.162 1.75 1 0.0011 Pass 1.5. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, Human proximity to the antenna shall not be less than 20cm (8 inches) during normal operation. Proposed RF exposure safety information to include in User’s Manual.

Global United Technology Services Co., Ltd. Report No.: GTSL202301060026F01 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 30 TEST REPORT Applicant: DALS Lighting, Inc Address of Applicant: 80 De La Seigneurie East Blainville, Quebec, J7C 4N1 Canada Manufacturer: Signcomplex Limited Address of Manufacturer: 401, Mingfeng Building, No.2 Xikeng Road, Xinhe Community, Fucheng Street, Longhua, Shenzhen, Guangdong, China Equipment Under Test (EUT) Product Name: LED String Light Model No.: DCP-STG48 Trade Mark: DALS FCC ID: 2AQSN-DCPSTG48 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Date of sample receipt: December 15, 2022 Date of Test: December 28~30, 2022 Date of report issued: January 2, 2023 Test Result: PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTSL202301060026F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 30 2 Version Version No. Date Description 00 2023-1-2 Original Prepared By: Date: 2023-1-2 Project Engineer Check By: Date: 2023-1-2 Reviewer Report No.: GTSL202301060026F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 30 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.4 DEVIATION FROM STANDARDS ............................................................................................................ 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................. 7 5.6 TEST FACILITY ................................................................................................................................... 7 5.7 TEST LOCATION ................................................................................................................................. 7 6 TEST INSTRUMENTS LIST ..................................................................................................................... 8 7 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 10 7.1 ANTENNA REQUIREMENT ................................................................................................................... 10 7.2 CONDUCTED EMISSIONS ................................................................................................................... 11 7.3 CONDUCTED PEAK OUTPUT POWER .................................................................................................. 14 7.4 CHANNEL BANDWIDTH & 99% OCCUPY BANDWIDTH ......................................................................... 16 7.5 POWER SPECTRAL DENSITY ............................................................................................................. 18 7.6 SPURIOUS EMISSION IN NON-RESTRICTED & RESTRICTED BANDS ....................................................... 20 7.6.1 Conducted Emission Method ..................................................................................................... 20 7.6.2 Radiated Emission Method ........................................................................................................ 23 8 TEST SETUP PHOTO ............................................................................................................................ 30 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 30 Report No.: GTSL202301060026F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 30 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement 15.203/15.247 (b)(4) Pass AC Power Line Conducted Emission 15.207 Pass Conducted Peak Output Power 15.247 (b)(3) Pass Channel Bandwidth 15.247 (a)(2) Pass Power Spectral Density 15.247 (e) Pass Band Edge 15.247(d) Pass Spurious Emission 15.205/15.209 Pass Remarks: 1. Pass: The EUT complies with the essential requirements in the standard. 2. Test …

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BPU Antenna test report Product Name: BPU Antenna Type: PCB antenna Writer: Yingyun Tong Maximum Gain：2.44 dBi Efficiency:28.44% BPU Antenna specification Version 1.0.0 Date：2021-11-26 NO：0000000001 Antenna specification Global Intelligent Platform BPU Antenna test report Content 1. General Description ...................................................................................................................... 3 2. Technical Information ................................................................................................................... 3 3. Test Standards ............................................................................................................................... 4 4. Test Item ........................................................................................................................................ 4 Appendix A Antenna Dimension ....................................................................................................... 5 Appendix B S11/VSWR ................................................................................................................... 5 Appendix C Gain and Efficiency ...................................................................................................... 5 Appendix D Radiation Pattern(1D and 3D) ...................................................................................... 6 BPU Antenna test report 1. General Description EUT Name BPU Antenna Wireless type BLE Antenna Type PCB antenna Dimensions Appendix A 2. Technical Information Frequency Range 2402MHz~2480MHz Test Frequency 2400,2410......2500MHz BPU Antenna test report 3. Test Standards Identity Document Title IEEE 149-1979 IEEE Standard Test Procedures for Antennas 4. Test Item Report Section Description Appendix B S11/VSWR Appendix C Gain and Efficiency Appendix D Radiation Pattern（1D and 3D） BPU Antenna test report Appendix A Antenna Dimension Appendix B S11/VSWR Frequency (MHz) 2400 2450 2500 Return Loss -12.08 -20.32 -15.08 Appendix C Gain and Efficiency Frequency (MHz) Efficiency(%) Gain（dBi） 2400 16.87 -0.09 2410 17.95 0.21 2420 18.28 0.38 14.5mm 5.02mm 4.8mm 11.16mm BPU Antenna test report 2430 19.91 0.77 2440 23.01 1.38 2450 24.83 1.74 2460 27.29 2.18 2470 28.44 2.18 2480 27.23 2.19 2490 27.86 2.18 2500 28.84 2.44 Appendix D Radiation Pattern(1D and 3D) BPU Antenna test report BPU Antenna test report

GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 2 Product Name: LED String Light Test Model No.: DCP-STG48 Test Setup Photo Radiated Emission GTSL202301060026 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 2 Conducted Emission ------End------