2ASCB-DP693NLB69-Inch dvLED A-Frame P1.9mm with Storage Case

D2G Group LLC (September 25, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2ASCB-DP693NLB [D2G Group LLC] (“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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name) Lynn McElroy D2G Group LLC (September 25, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2ASCB-DP693NLB [D2G Group LLC] (“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. Sincerely, (Applicant signature) (Applicant printed name) Lynn McElroy

- D2G Group LLC - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 09/25/2025 U.S. Agent Designation [D2G Group LLC] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2ASCB-DP693NLB): Name and company of U.S. agent: D2G Group LLC Physical U.S. address of agent: 81 Commerce Drive, Fall River, Massachusetts, 02720, United States FRN of U.S. agent: 0028157329 Email address of U.S. agent: [email protected] [D2G Group LLC] acknowledges their obligation to accept service of process on behalf of [D2G Group LLC]. [D2G Group LLC] with the FRN [0028157329] accepts 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. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Signature [Lynn McElroy] [Director, Digital Solutions] [D2G Group LLC] Signature [Lynn McElroy] [Director, Digital Solutions] [D2G Group LLC] 48_[model] US_Agent_2.911(d)(7)-U, V05

D2G Group LLC (September 25, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (69-Inch dvLED A-Frame P1.9mm with Storage Case / DP693NLB / FCC ID: 2ASCB-DP693NLB) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the 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 required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature: Name: Lynn McElroy Title: Director, Digital Solutions

D2G Group LLC (September 25, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Lynn McElroy Title: Director, Digital Solutions

645 1700 5 YOUGUANG OPTOELECTRONICS 2025-08-18-001 0.5” 2.8341” 1 1.5" 3" 2 3 4 1 Series No: 25071380001 Model: DP693NLB Display resolution: 344(W)*860(H) Input voltage: 110V,60Hz WiFi ID: AP00005305 WiFi PW: SN2008@+ Made In China 69-Inch dvLED A-Frame P1.9mm with Storage Case 69-Inch dvLED A-Frame P1.9mm with Storage Case DP693NLB 2ASCB-DP693NLB 4.5A 350W AC 110V Model: DP693NLB Display resolution: 344(W)*860(H) Input voltage: 110V,60Hz WiFi ID: AP00005305 WiFi PW: SN2008@+ Made In China 69-Inch dvLED A-Frame P1.9mm with Storage Case 69-Inch dvLED A-Frame P1.9mm with Storage Case DP693NLB 2ASCB-DP693NLB 4.5A 350W AC 110V 66mm 42mm 5 Series No: 25071380001 35mm 66mm 3 5 2 4

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2ASCB-DP693NLB Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems 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 level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 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 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 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,R=20cm Test Result of RF Exposure Evaluation BT+WIFI supported simultaneous transmission: EDR+2.4GWIFI: ∑MPE Ratio =0.0007/1+0.01045/1=0.01115≤1 EDR+5GWIFI: ∑MPE Ratio =0.0007/1+0.008/1=0.0087≤1 , So passed. Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result EDR 8DPSK&M CH 2±1 3 1.9953 1.6596 (2.2dBi) 0.0007 1 Pass 2.4G WIFI 802.11g&2 412 14±1 15 31.6228 1.6596 (2.2dBi) 0.01045 1 Pass 5.2GWIFI 802.11a&5 240 13±1 14 25.1189 0.6209 (-2.07dBi) 0.0031 1 Pass 5.8GWIFI 802.11a&5 825 14±1 15 31.6228 1.2942 (1.12dBi) 0.008 1 Pass

深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 承认书 SPECIFICATIONFORAPPROVAL 客户名称 CUSTOMERNAME: 产品名称 PRODUCTNAME:L46圆形2.4G5.8G天线 客户料号 CUSTOMERP/N: 晟达电子料号 SDP/N:SDL46WIFI6SJ300REV:A MANUFACTURER SIGNATURE CUSTOMER SIGNATURE CHECKEDBY: APPROVEDBY: DATE: 2023/2/14 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com Contents ltemDescription 1.---------------------------------------------------------------规格表 2.---------------------------------------------------------------成品图 3.---------------------------------------------------------------测试报告 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4 栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19 号都市智谷1 栋 16 层 01 电话 : 0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 1 ． 1 规格表 : 产品主要技术参数 主要技术指标 Main technicalspecifications 频率范围 （MHZ） 2400 -25 00 /5150-5850 Frequency Range (MHZ) 240 0- 250 0/5150-5850 特性阻抗(Ω ) 50Impedance(Ω)50 峰值增益(dBi) 2.5Gain(dBi)2.5 输出电压 驻波比 ≤2. 2MaxVSWR≤2. 2Max 电缆长度 （mm） 30 0±20Line LLength30 0±20 电缆规格 RG174 Cable specification RG174 极化方式 垂直/水平PolarizationVerticaland horizontal 连接方式 ConnectorType 物理性能PhysicalProperties 天线本体材料 ABSAntennaBaseABS 工作温度 -20°C~+50°COperatingTemp-20°C~+50°C 湿度Humidity95%~100%RH Humidity Humidity95%~100%RH 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园 4 栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路 19 号都市智谷 1 栋 16 层 01 电话: 0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 2．成品图 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 3.测试报告 3.1 ：网络分析仪测试 TypicalVSWR 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 3.2.暗室2D,3DRaditationPattern 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com PassiveTestFor2.4G FreqEffiEffiGainGainUHISDHISMaxMin Dire ctiv ity Beamw idth AttHAttV (MHz)(%)(dB) (dBi ) (dBd ) (%)(%)(dB)(dB) (dBi ) (3dB)(dB)(dB) 230056.31-2.492.510.3625.54530.7632.51-15.595.01045.5845.42 235058.07-2.362.440.2925.47732.5892.44-13.844.8045.545.31 240057.27-2.422.330.1824.05633.2162.33-13.664.75045.9745.77 245054.91-2.62.20.0522.51332.3932.2-12.154.81045.5445.4 250057.49-2.42.380.2324.2733.2182.38-12.194.79045.8845.75 255056.94-2.452.280.1326.03730.9012.28-18.664.72045.6545.5 260057.23-2.422.20.0527.92629.3042.2-16.394.62045.9545.8 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com PassiveTestFor5.8G FreqEffiEffiGainGainUHISDHISMaxMinDirectivityBeamwidthAttHAttV (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)(dBi)(3dB)(dB)(dB) 515018.62-7.3-3.3-5.4500-3.3-31.437.33049.6149.76 516018.57-7.31-3.17-5.3200-3.17-30.297.313049.5649.97 517017.2-7.64-3.44-5.5900-3.44-29.637.643049.4449.75 518018.01-7.45-3.24-5.3900-3.24-29.717.453049.4849.83 519019.74-7.05-2.85-500-2.85-29.797.053049.5349.84 520019.19-7.17-2.95-5.100-2.95-30.897.173049.6349.96 521020.37-6.91-2.64-4.7900-2.64-30.236.913049.8950.14 522019.77-7.04-2.72-4.8700-2.72-28.947.043049.6549.96 523020.45-6.89-2.53-4.6800-2.53-27.796.893050.150.4 524022.65-6.45-2.07-4.2200-2.07-26.766.453049.7949.97 525022.19-6.54-2.16-4.3100-2.16-27.186.543049.7349.93 526022.22-6.53-2.17-4.3200-2.17-27.876.533049.9850.11 527022.2-6.54-2.16-4.3100-2.16-27.526.543049.9449.97 528023.58-6.27-1.85-400-1.85-26.116.273049.9149.96 529022.42-6.49-1.99-4.1400-1.99-25.086.493050.0350.03 530026.85-5.71-1.15-3.300-1.15-23.485.713050.2550.17 531022.92-6.4-1.85-400-1.85-24.016.43049.9249.93 532025.46-5.94-1.42-3.5700-1.42-23.815.944550.7550.61 533026.81-5.72-1.23-3.3800-1.23-23.575.724550.0149.93 534026.08-5.84-1.34-3.4900-1.34-23.55.844550.3850.29 535028.97-5.38-0.82-2.9700-0.82-22.295.384550.4750.32 536028.84-5.4-0.8-2.9500-0.8-21.855.43050.2850.15 537026.07-5.84-1.19-3.3400-1.19-23.445.844550.5350.38 538028.55-5.44-0.79-2.9400-0.79-23.745.444550.3950.29 539028.07-5.52-0.87-3.0200-0.87-23.585.524550.2650.1 540028.11-5.51-0.81-2.9600-0.81-22.475.514550.7550.75 541032.42-4.89-0.14-2.2900-0.14-20.944.893050.4850.28 542030.91-5.1-0.29-2.4400-0.29-21.095.13050.450.4 543027.93-5.54-0.7-2.8500-0.7-225.543050.0750.04 544028.85-5.4-0.53-2.6800-0.53-22.825.43050.0449.98 545027.86-5.55-0.67-2.8200-0.67-23.225.553049.9949.99 546027.98-5.53-0.65-2.800-0.65-22.555.533050.1850.19 547029.19-5.35-0.51-2.6600-0.51-21.65.353050.2450.2 548027.4-5.62-0.79-2.9400-0.79-22.135.623050.2850.4 549031.25-5.05-0.18-2.3300-0.18-21.955.053050.2750.26 深圳市晟达通讯设备有限公司 深圳地址：深圳市龙岗区爱联社区嶂背创业四路汉光科技园4栋 东莞地址：东莞凤岗镇金凤凰工业区金鹏路19号都市智谷1栋16层01 电话:0755-89985492 传真：0755-89916753 网址：www.szsdtx.com 550028.54-5.45-0.52-2.6700-0.52-22.915.453050.1850.21 551028.04-5.52-0.57-2.7200-0.57-23.755.523050.1750.22 552029.05-5.37-0.43-2.5800-0.43-25.085.373050.4450.48 553030.14-5.21-0.29-2.4400-0.29-27.765.213050.2950.31 554029.99-5.23-0.32-2.4700-0.32-31.365.233050.4650.42 555032.59-4.870.07-2.08000.07-32.774.873050.3850.52 556030.28-5.19-0.22-2.3700-0.22-30.35.193050.8150.62 557030.17-5.2-0.22-2.3700-0.22-28.085.23050.5150.68 558032.42-4.890.11-2.04000.11-26.344.89305150.75 559031.14-5.07-0.04-2.1900-0.04-25.335.073050.3250.36 560032.9-4.830.2-1.95000.2-23.974.833050.5650.48 561030.9-5.1-0.07-2.2200-0.07-23.095.13050.3850.34 562031.05-5.08-0.04-2.1900-0.04-21.995.083050.6250.44 563032.04-4.940.14-2.01000.14-21.364.943050.5250.4 564034.74-4.590.55-…

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Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 56 TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: 69-Inch dvLED A-Frame P1.9mm with Storage Case FCC ID: 2ASCB-DP693NLB Trademark: N/A Model Number: DP693NLB Prepared For: D2G Group LLC Address: 81 Commerce Drive, Fall River, Massachusetts 02720, United States Manufacturer: GUANGZHOU YOUGUANG OPTOELECTRONICS CO., LTD. Address: No.75, Pacific Ind. Zone, Xingtang Town, Zengcheng, Guangzhou,511340 China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Aug. 25, 2025 Sample tested Date: Aug. 25, 2025 to Sep. 15, 2025 Issue Date: Sep. 15, 2025 Report No.: CTB25082518602RF01 Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2020 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB25082518602RF01 Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 56 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ...................................................................................................................................................... 4 2. TEST SUMMARY ........................................................................................................................................ 5 3. MEASUREMENT UNCERTAINTY ........................................................................................................... 6 4. PRODUCT INFORMATION AND TEST SETUP .................................................................................... 7 4.1 Product Information ..................................................................................................................................................... 7 4.2 Test Setup Configuration ........................................................................................................................................... 7 4.3 Support Equipment ...................................................................................................................................................... 7 4.4 Channel List ................................................................................................................................................................... 8 4.5 Test Mode ....................................................................................................................................................................... 8 4.6 Test Environment ......................................................................................................................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ............................................................................... 9 5.1 Test Facility .................................................................................................................................................................... 9 5.2 Test Instrument Used .................................................................................................................................................. 9 6. AC POWER LINE CONDUCTED EMISSION ......................................................................................... 12 6.1 Block Diagram Of Test Setup ................................................................................................................................. 12 6.2 Limit ................................................................................................................................................................................ 12 6.3 Test procedure ............................................................................................................................................................ 12 6.4 Test Result ................................................................................................................................................................... 14 7. RADIATED SPURIOUS EMISSION ....................................................................................................... 16 7.1 Block Diagram Of Test Setup ................................................................................................................................. 16 7.2 Limit ................................................................................................................................................................................ 16 7.3 Test procedure ............................................................................................................................................................ 17 7.4 Test Result ................................................................................................................................................................... 18 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .................................................... 27 8.1 Block Diagram Of Test Setup ................................................................................................................................. 27 8.2 Limit .........................................................................…

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