2BD4M-AI43W43-inch advertising machine commercial intelligent terminal

Attestation Statements (August 22, 2024) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2BD4M-AI43W ) (Shenzhen Showtop Technology Co., Ltd.), the undersigned, hereby authorize (NEWENERGYER LIMITED) to act as our designated U.S. agent for service of process, (Shenzhen Showtop 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 the equipment. (NEWENERGYER LIMITED) accepts the responsibility to act as designated U.S. agent for service of process, provides 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 Information： Company name: Shenzhen Showtop Technology Co., Ltd. Contact Name: Yang Zhefu Address: 320, Xinghai Mingcheng phase VII., Qianhai Road, Nanshan District, Shenzhen, 518000 C hina Telephone No: 13538214502 Email: [email protected] FRN: 0034609313 Signature [Yang Zhefu] U.S. Agent Information: Company Name: NEWENERGYER LIMITED Address: 1818 S Patton Ct, Denver, CO, 80219 Contact Name: CHUN LIU Telephone No: 213 289 5042 Email: [email protected] FRN: 0034665885 Signature [CHUN LIU]

(Shenzhen Showtop Technology Co., Ltd.) (August 22, 2024) 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: 2BD4M-AI43W) [Shenzhen Showtop 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. Sincerely, (Applicant signature) (Applicant printed name) Yang Zhefu (Shenzhen Showtop Technology Co., Ltd.) (August 22, 2024) 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: 2BD4M-AI43W) [Shenzhen Showtop 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. Sincerely, (Applicant signature) (Applicant printed name) Yang Zhefu

Shenzhen Showtop Technology Co., Ltd. Model Difference Data：August 30, 2024 Product description: 43-inch advertising machine commercial intelligent terminal Model name: AI43W, AI43W-GL01, AI43W-GL02, AI43W-GL03, AI43W-GL04, AI43W-GL05, AI43W-GL06, AI43W-GL07, AI43W-GL08, AI43W-GL09, D43W, D43W1, D43W2, D43W3, D43W4, D43W5, D43W6, D43W7, D43W8, D43W9 Trade Name: SHOWTOP FCC ID: 2BD4M-AI43W All the model are the same circuit and RF module, only the name and appearance are different. Regards Sincerely Client’s signature : Client’s name / title : Yang Zhefu（Procurement manager） Contact information / address： 320, Xinghai Mingcheng phase VII., Qianhai Road, Nanshan District, Shenzhe n, 518000 China

Shenzhen Showtop Technology Co., Ltd. (August 30, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR ( 43-inch advertising machine commercial intelligent terminal / AI43W, AI43W-GL01, AI43W-GL02, AI43W- GL03, AI43W-GL04, AI43W-GL05, AI43W-GL06, AI43W-GL07, AI43W-GL08, AI43W-GL09, D43W, D43W1, D43W2, D43W3, D43W4, D43W5, D43W6, D43W7, D43W8, D43W9 / FCC ID: 2BD4M-AI43W) 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: Yang Zhefu Title: Procurement manager

Shenzhen Showtop Technology Co., Ltd. (August 22, 2024) 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: Yang Zhefu Title: Procurement manager

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: AI43W External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL: Label Location: FCC ID: 2BD4M-AI43W Model No.: AI43W This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BD4M-AI43W 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 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 2.4G WIFI 802.11b&2 412 19±1 20 100 1.6331 (2.13dBi) 0.0325 1 Pass

QR/RD-P01-06B SPECIFICATION ShenzhenGuandetongElectronicLimited 深圳市冠得通电子有限公司 ShenzhenGuandetongElectronicCo.,Ltd. wiFi天线杆式-CDT天线+馈线黑色馈线端接头为母头天线端接头为公头线长 1000mmwifi天线2dh增益T-PEX连接端口1.13同轴线ROHS 产品规格书 客户深圳市起立科技频段2400-2500MHz 线材名称版本A1 客户料号A12-01X-0002冠得通料号 冠得通编号 RF设计肖彬射频经理刘亮 结构设计王栋结构经理王华 技术总监 andy 日期 2023-12-13 客户确认： 装配是否符合贵司要求：□OK□NG 深圳市冠得通电子有限公司 保 密 要 求 本公司已拥有专有技术所提供的资料，这些专有资料应严加保密，在未经深圳冠得通电子有限公司事先书面同意的时不允许 透露给任何人或公司。 公司地址：深圳市龙华区观湖街道环观南茂源工业园D栋3楼电话：0755-88298396传真：0755-89733896 http://www.szgdtrf.com Page 3 1. Product pictures 2. Product parameters 产品测试参数 产品名称(Name) 2DB胶棒天线 产品型号(Model Type) GDT-2DB--2.4 电 性 能 指 标 (ElectricalSpecifications) 频 率 范 围(Fre nquency Range) 2400-2500MHz 极 化 方 式 （Polarization） 垂直 输入阻抗(Impedance) 50 Ω 辐射方向全向 驻波比（VSWR）≦2功率容量(Power) 50W 增益(Gain) 2dBi 带宽(Bandwidth 100MHz 机 械 指 标 (MechanicalSpecifications) 天 线 接 头(Antenna interface) SMA公针 连 接 线 线 长(Chassis Color ) 1000MM 连 接 器 型 号 (Connector) IPEX(1代) 连 接 线 接 口 方 式 (Dimensions) 11牙母针 线 材 型 号(Chassis Material) 1.13灰 工作温度 (WorkingTemperature) -4 0°C-+85°C 存放温度 (Limit Temperature) -4 0°C-+85°C 深圳市冠得通电子有限公司 保 密 要 求 本公司已拥有专有技术所提供的资料，这些专有资料应严加保密，在未经深圳冠得通电子有限公司事先书面同意的时不允许 透露给任何人或公司。 公司地址：深圳市龙华区观湖街道环观南茂源工业园D栋3楼电话：0755-88298396传真：0755-89733896 http://www.szgdtrf.com Page 4 3. S11 (VSWR, Return loss, Smith) data 深圳市冠得通电子有限公司 保 密 要 求 本公司已拥有专有技术所提供的资料，这些专有资料应严加保密，在未经深圳冠得通电子有限公司事先书面同意的时不允许 透露给任何人或公司。 公司地址：深圳市龙华区观湖街道环观南茂源工业园D栋3楼电话：0755-88298396传真：0755-89733896 http://www.szgdtrf.com Page 5 4. Structural drawings 深圳市冠得通电子有限公司 保 密 要 求 本公司已拥有专有技术所提供的资料，这些专有资料应严加保密，在未经深圳冠得通电子有限公司事先书面同意的时不允许 透露给任何人或公司。 公司地址：深圳市龙华区观湖街道环观南茂源工业园D栋3楼电话：0755-88298396传真：0755-89733896 http://www.szgdtrf.com Page 6 5. Antenna gain direction diagram

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director N ote: 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: 43-inch advertising machine commercial intelligent terminal FCC ID: 2BD4M-AI43W Trademark: SHOWTOP Model Number: AI43W, AI43W-GL01, AI43W-GL02, AI43W-GL03, AI43W-GL04, AI43W-GL05, AI43W-GL06, AI43W-GL07, AI43W-GL08, AI43W-GL09, D43W, D43W1, D43W2, D43W3, D43W4, D43W5, D43W6, D43W7, D43W8, D43W9 Prepared For: Shenzhen Showtop Technology Co., Ltd. Address: 320, Xinghai Mingcheng phase VII., Qianhai Road, Nanshan District, Shenzhen, 518000 China Manufacturer: Shenzhen Showtop Technology Co., Ltd. Address: 320, Xinghai Mingcheng phase VII., Qianhai Road, Nanshan District, Shenzhen, 518000 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: Jul. 15 , 2024 Sample tested Date: Jul. 15 , 2024 to Jul. 25, 2024 Issue Date: Jul. 25, 2024 Report No.: CTB240725083RFX Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240725083RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 63 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 3 2. TEST SUMMARY ................................................................... 4 3. MEASUREMENT UNCERTAINTY ..................................................... 5 4. PRODUCT INFORMATION AND TEST SETUP .......................................... 6 4.1 Product Information .................................................................... 6 4.2 Test Setup Configuration ............................................................... 6 4.3 Support Equipment .................................................................... 6 4.4 Channel List .......................................................................... 7 4.5 Test Mode ............................................................................ 7 4.6 Test Environment ...................................................................... 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 8 5.1 Test Facility ........................................................................... 8 5.2 Test Instrument Used .................................................................. 8 6. AC POWER LINE CONDUCTED EMISSION ............................................ 11 6.1 Block Diagram Of Test Setup .......................................................... 11 6.2 Limit ................................................................................ 11 6.3 Test procedure ....................................................................... 11 6.4 Test Result .......................................................................... 13 7. RADIATED SPURIOUS EMISSION ................................................... 15 7.1 Block Diagram Of Test Setup .......................................................... 15 7.2 Limit ................................................................................ 15 7.3 Test procedure ....................................................................... 16 7.4 Test Result .......................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 39 8.1 Block Diagram Of Test Setup .......................................................... 39 8.2 Limit ................................................................................ 39 8.3 Test procedure ....................................................................... 39 8.4 Test Result .......................................................................... 40 9. COUDUCTED OUTPUT POWER ..................................................... 48 9.1 Block Diagram Of Test Setup .......................................................... 48 9.2 Limit ................................................................................ 48 9.3 Test procedure ....................................................................... 48 9.4 Test Result .......................................................................... 48 10. 6DB OCCUPIED BANDWIDTH ....................................................... 49 10.1 Block Diagram Of Test Setup ......................................................... 49 10.2 Limit ............................................................................... 49 10.3 Test procedure ...................................................................... 49 10.4 Test Result ......................................................................... 50 11. POWER SPECTRAL DENSITY ...................................................... 55 11.1 Block Diagram Of Test Setup ......................................................... 55 11.2 Limit ............................................................................... 55 11.3 Test procedure ...................................................................... 55 11.4 Test Result ......................................................................... 56 12. ANTENNA REQUIREMENT .........................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: AI43W Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions