2ASCB-DM032NLB32-inch LCD Digital Retail Shelving with Android 11

32-inch LCD Digital Retail Shelving with Android 11

(D2G GROUP LLC) (January 4, 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: 2ASCB-DM032NLB) [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. Sincerely, (Applicant signature) (Applicant printed name) Rod Washington (D2G GROUP LLC) (January 4, 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: 2ASCB-DM032NLB) [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) Rod Washington

Attestation Statements (January 4, 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: 2ARMK-ADA07) (D2G Group LLC), the undersigned, hereby authorize (D2G Group LLC) to act as our designated U.S. agent for service of process, (D2G Group LLC) 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. (D2G Group LLC) 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: D2G Group LLC Address: 81 Commerce Drive, Fall River, Massachusetts 02720, United States Contact Name: Rod Washington Telephone No: 13538214502 Email: [email protected] FRN: 0028157329 U.S. Agent Information: Company Name: D2G Group LLC Address: 81 Commerce Drive, Fall River, Massachusetts 02720, United States Contact Name: Rod Washington Telephone No: 13538214502 Email: [email protected] FRN: 0028157329 Applicant Signature: Agent Signature: Applicant printed name: Rod Washington Agent printed name: Rod Washington

D2G Group LLC Model Difference Data：January 4, 2024 Product description: 32-inch LCD Digital Retail Shelving with Android 11 Model name: DM032NLB, ADMR01 Trade Name:N/A FCC ID: 2ASCB-DM032NLB All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Rod Washington（VP, Merchandising） Contact information / address：81 Commerce Drive, Fall River, Massachusetts 02720, United States

D2G Group LLC (January 4, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (32-inch LCD Digital Retail Shelving with Android 11 / DM032NLB, ADMR01 / FCC ID: 2ASCB-DM032NLB) 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: Rod Washington Title: VP, Merchandising

D2G Group LLC (January 4, 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: Rod Washington Title: VP, Merchandising

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: DM032NLB 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 ANT

YOUGUANG OPTOELECTRONICS 2023-12-25-001 32" LCD 0.5” 2.8341” 64mm 40mm 1:1 1:3 1" 2" 32-inch LCD Digital Retail Shelving with Android 11 DM032NLB 2ASCB-DM032NLB 1.2A 56W 32-inch LCD Digital Retail Shelving with Android 11 DM032NLB 2ASCB-DM032NLB 1.2A 56W 32-inch LCD Digital Retail Shelving with Android 11 DM032NLB 2ASCB-DM032NLB 1.2A 56W

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 7 Model: DM032NLB Internal Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 7 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 7 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 7 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 5 of 7 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 6 of 7 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 7 of 7

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2ASCB-DM032NLB 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 14±1 15 31.6228 2.0184 (3.05dBi) 0.0127 1 Pass EDR 8DPSK &LCH 4±1 5 3.1623 2.0184 (3.05dBi) 0.0013 1 Pass 5.2GWIFI 802.11a20 &5180 12±1 13 19.9526 1.9999 (3.01dBi) 0.0079 1 Pass 5.8GWIFI 802.11ac4 0&5755 11±1 12 15.8489 1.9907 (2.99dBi) 0.0063 1 Pass

WIFIRODANTENNA TECHNICALDATASHEET TXWF-JK-11RP VERSION：3.3DATE：2023-08-01 TEL：028-61542639WEBSITE：WWW.ZIISOR.COM CHENGDUZIISORTECHNOLOGYCO.,LTD.EXPERTOFIOTANTENNA TXWF-JK-11RP 1/4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna TXWF-JK-11RP NO.MECHANICALSPECIFICATIONSVALUECOMMENT 01PartNumberTXWF-JK-11RP2.4/5.8GRodAntenna 02MaterialTPEE 03MaterialofRadiatorCoppper 04ConnectorTypeRPSMAMale 05AntennaColourBlack 06OverallLength110mm 07CableTypeN/A 08CableLengthN/A 09Weight7g±1g NO.ELECTRICALSPECIFICATIONSVALUECOMMENT 01Frequency2.4/5.8GHz2.4~2.5；5.15~5.85GHz 02AntennaGain3dBi 03RadiationtypeOmnidirectional 04PolarizationLinearVertical 05NominalImpedance50Ω 06PowerCapacity20W 07S.W.R.≤1.5 NO.ENVIRONMENTALSPECIFICATIONSVALUECOMMENT 01OperationTemperature-30°C～+75°C 02StorageTemperature-30°C～+75°C 03RoHSCompliantYES TXWF-JK-11RP 2/4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna MECHANICALDRAWING UNIT:mm ITEMPARTNAMEQUANTITYMATERIAL/FINISH aRadome1TPEEBlack bConnector1RPSMAMaleNickelplated TXWF-JK-11RP 3/4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna S.W.R. SMITH TXWF-JK-11RP 4/4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna EFFICIENCY/GAINTEST No. Frequency Hz Efficiency % Gain dBi 012400M70.623.07 022410M70.792.88 032420M72.953.05 042430M70.632.77 052440M71.992.70 062450M71.072.67 072460M71.532.95 082470M69.503.01 092480M69.022.81 102490M70.792.87 112500M68.443.32 125150M61.313.1 135250M59.132.9 145350M58.192.84 155450M56.112.75 165550M60.093.11 175650M58.943.08 185750M58.272.99 195850M57.332.81 RADIATIONPATTERN TXWF-JK-11RP 5/4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna DISCLAIMER Inordertoprovideouruserswithbetterservice,ChengduZiisorTechnologyCo.,Ltd(hereinafter referredtoasziisor)willtrytopresentasdetailedandaccurateproductinformationaspossiblein thismanual.However,duetothetimelinessofthemanualcontent,ziisorshallnotabsolutelyguarantee theunlimitedtimelinessandapplicabilityofthefile.Ziisorhastherighttoupdatethemanualcontent withoutfurthernotice.Togetthelatesteditioninformation,plsvisittheofficialwebsiteofziisor orcontactourcustomerservicestaff.Thanksforyourtrustandsupport! CONTACTUS CompanyNameChengduZiisorTechnologyCo.,Ltd Telephone+86-028-61542639 Websitewww.ziisor.com [email protected] [email protected] CompanyAddress B5MoldingToolIndustryPark,No.199XiQuAvenue, Chengdu,China

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: 32-inch LCD Digital Retail Shelving with Android 11 FCC ID: 2ASCB-DM032NLB Trademark: N/A Model Number: DM032NLB, ADMR01 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: Dec. 11, 2023 Sample tested Date: Dec. 11, 2023 to Jan. 11, 2024 Issue Date: Jan. 11, 2024 Report No.: CTB231220006RFX Test Standards FCC Part15.247 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.: CTB231220006RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 81 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 ................................................................................ 10 6.1 Block Diagram Of Test Setup ......................................................................................................... 10 6.2 Limit ................................................................................................................................................ 10 6.3 Test procedure ............................................................................................................................... 10 6.4 Test Result ..................................................................................................................................... 12 7. RADIATED SPURIOUS EMISSION ............................................................................................. 14 7.1 Block Diagram Of Test Setup ......................................................................................................... 14 7.2 Limit ................................................................................................................................................ 15 7.3 Test procedure ............................................................................................................................... 16 7.4 Test Result ..................................................................................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 49 8.1 Block Diagram Of Test Setup ......................................................................................................... 49 8.2 Limit ................................................................................................................................................ 49 8.3 Test procedure ............................................................................................................................... 49 8.4 Test Result ..................................................................................................................................... 50 9. COUDUCTED OUTPUT POWER ................................................................................................. 61 9.1 Block Diagram Of Test Setup ......................................................................................................... 6…

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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: DM032NLB 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