2BBP7-YTD-FL-001Floor Lamp

(Dongguan Yitongda Electronic Technology Co., Ltd.) (Jun. 15, 2023) 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:2BBP7-YTD-FL-001) [Dongguan Yitongda Electronic 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) He Shaocheng (Dongguan Yitongda Electronic Technology Co., Ltd.) (Jun. 15, 2023) 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:2BBP7-YTD-FL-001) [Dongguan Yitongda Electronic 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) He Shaocheng

Dongguan Yitongda Electronic Technology Co., Ltd. Model Difference Data：2023.06.25 Product description: Floor Lamp Model name: YTD-FL-001, YTD-FL-002, YTD-FL-003, YTD-FL-004, YTD-TL- 001, YTD-TL-002, YTD-TL-003, YTD-TL-004, YTD-TL-005, YTD-TL-006, BSD-FL-001, BSD-FL-002, BSD-FL-003, BSD-FL-004, BSD-TL-001, BSD-TL- 002, BSD-TL-003, BSD-TL-004, BSD-TL-005, BSD-TL-006 Trade Name: YTDRGB FCC ID: 2BBP7-YTD-FL-001 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : He Shaocheng（Legal person） Contact information / address：Room 402, Building 2, No. 11, Shandou North Road, Humen Town, Dongguan, Guangdong

Dongguan Yitongda Electronic Technology Co., Ltd. (2023.06.25) 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: He Shaocheng Title: Legal person

Dongguan Yitongda Electronic Technology Co., Ltd. (2023.06.25) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Floor Lamp / YTD-FL-001, YTD-FL-002, YTD-FL-003, YTD-FL-004, YTD-TL-001, YTD-TL-002, YTD-TL-003, YTD-TL-004, YTD-TL-005, YTD-TL-006, BSD-FL-001, BSD-FL-002, BSD-FL-003, BSD-FL- 004, BSD-TL-001, BSD-TL-002, BSD-TL-003, BSD-TL-004, BSD-TL-005, BSD- TL-006 / FCC ID: 2BBP7-YTD-FL-001) 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: He Shaocheng Title: Legal person

External Photos

Model: YTD-FL-001 FCC ID: 2BBP7-YTD-FL-001 IC : 30793-YTDFL001 HVIN：YTD-FL-001 Label Location

Internal Photos ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BBP7-YTD-FL-001 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 € (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 € (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&2 437 13±1 14 25.1189 1.5704 (1.96dBi) 0.0079 1 Pass BLE GFSK& HCH -1±1 0 1 1.5704 (1.96dBi) 0.0003 1 Pass

ShenzhenShengchuangweiTechnologyCo.,Ltd CBU Antennatestreport Office/Factory: 602,Building1, AidimengtuoIndustrialPark,the4th IndustrialZone,shutianpuCommunity, MaTianStreet,GuangmingDistrict, ShenzhenCHINA www.scanway-tech.com CustomerApproval CompanySCANWAYTechnologyCo.,Ltd Signature Date2022-3-15 ort84Antennatest reportY-G284 ShenzhenShengchuangweiTechnologyCo.,Ltd ShenzhenShengchuangweiTechnologyCo.,Ltd 1 A CONTENT 1.ProductDescription................................................................2 2.GeneralDescription ................................................................... 2 3.TechnicalInformation...............................................................2 4.TestStandards.........................................................................3 5.TestItem...................................................................................3 6.TestPhoto.................................................................................3 7.Darkroomtestequipmentanddata .................................... 4 8.AppendixAAntennaDimension .......................................... 5 9.AppendixBSll/VSWR ............................................................ 5 10.AppendixCGainandEfficiency ........................................ 6 11.AppendixDRadiationPattern(lDand3D) ..................... 7 12.AppendixETestSetupPhoto .......................................... 13 ShenzhenShengchuangweiTechnologyCo.,Ltd 2 1.ProductDescription ProductName CBU AntennaType PCBantenna Maximum Gain:1.96dBi Efficiency:44.48% 2.GeneralDescription EUTNameCBUAntenna Wirelesstype WIFI AntennaType PCBantenna DimensionsAppendixA 3.TechnicalInformation FrequencyRange 2402MHz~2480MHz TestFrequency2400,2410......2500MHz ShenzhenShengchuangweiTechnologyCo.,Ltd 3 4.TestStandards Identity DocumentTitle IEEE149-1979 IEEEStandardTestProcedures forAntennas 5.TestItem ReportSectionDescription AppendixBS11A/SWR AppendixC GainandEfficiency AppendixD RadiationPattern(1Dand3D) 6.TestPhoto ReportSectionDescription AppendixE TestSetupPhoto ShenzhenShengchuangweiTechnologyCo.,Ltd 4 7.Darkroomtestequipmentanddata 5.0TestEquipment Testsystem:shieldeddarkroom Testenvironment:temperature22°C±3°C,humidity50%±15% Testequipment:whentestingpassivedata,useAgilentE5071C networkanalyzer；Whentestingtheactivedata,usethecomprehensive testerCMW500 ShenzhenShengchuangweiTechnologyCo.,Ltd 5 8.AppendixAAntennaDimension 9.AppendixBSll/VSWR requency ( MHz) 240024502500 eturnLoss -9.46 -13 -11 SWR 1.81.51.8 ShenzhenShengchuangweiTechnologyCo.,Ltd 6 10.AppendixCGainandEfficiency PassiveTestForD44 Freq (MHz) Effi (%) Effi (dB) Gain (dBi) Gain (dBd) UHIS (%) DHIS (%) Max (dB) Min (dB) Attenut Hor Attenut Ver 240040.43 -3.93 0.7 -1.45 16.06124.3710.7 -17.16 49.1849.3 241039.54-4.030.86 -1.29 15.75623.7850.86 -16.67 49.2349.45 242040.88 -3.89 1.4 -0.75 16.63524.2431.4 -18.58 49.0649.29 243042.5 -3.72 1.67 -0.48 17.5724.9351.67 -17.79 49.1249.32 244044.48 -3.52 1.96 -0.19 18.796 25.6891.96 -16.72 49.75 50.01 245043.2 -3.65 1.84 -0.31 18.68724.5121.84 -17.35 49.8250.08 246041.57 -3.81 1.53 -0.62 18.48523.0851.53 -19.76 49.8550.08 247038.01-4.21.07 -1.08 17.23420.7741.07 -21.44 49.7649.97 248038.23-4.180.77 -1.38 17.72320.5110.77 -21.64 49.6649.8 249035.02-4.560.3 -1.85 16.51918.5040.3 -20.83 49.5449.68 2500 28.21 -5.5-0.77-2.92 13.358 14.85 -0.77-21.32 49.3249.42 11.AppendixDRadiationPattern(lDand3D) ShenzhenShengchuangweiTechnologyCo.,Ltd 7 ShenzhenShengchuangweiTechnologyCo.,Ltd 8 ShenzhenShengchuangweiTechnologyCo.,Ltd 9 ShenzhenShengchuangweiTechnologyCo.,Ltd 10 ShenzhenShengchuangweiTechnologyCo.,Ltd 11 ShenzhenShengchuangweiTechnologyCo.,Ltd 12 ShenzhenShengchuangweiTechnologyCo.,Ltd 13 12.AppendixETestSetupPhoto

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230617017RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 63 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng 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: Floor Lamp FCC ID: 2BBP7-YTD-FL-001 Trademark: YTDRGB Model Number: YTD-FL-001, YTD-FL-002, YTD-FL-003, YTD-FL-004, YTD-TL-001, YTD-TL-002, YTD-TL-003, YTD-TL-004, YTD-TL-005, YTD-TL-006, BSD-FL-001, BSD-FL-002, BSD-FL-003, BSD-FL-004, BSD-TL-001, BSD-TL-002, BSD-TL-003, BSD-TL-004, BSD-TL-005, BSD-TL-006 Prepared For: Dongguan Yitongda Electronic Technology Co., Ltd. Address: Room 402, Building 2, No. 11, Shandou North Road, Humen Town, Dongguan, Guangdong Manufacturer: ShenZhen DongFang QiYi OptoElectronic Technology Co.,Ltd Address: Room 502, Building A-5, Xinfu Industrial Park, Chongqing Road, Zhancheng Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province 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: Jun. 14, 2023 Sample tested Date: Jun. 14, 2023 to Jun. 17, 2023 Issue Date: Jun. 17, 2023 Report No.: CTB230617017RFX 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.: CTB230617017RFX 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 ............................................ 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 .......................... 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 ..................................................... 47 9.1 Block Diagram Of Test Setup .......................................................... 47 9.2 Limit ................................................................................ 47 9.3 Test procedure ....................................................................... 47 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 ........................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230617018RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 36 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng 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: Floor Lamp FCC ID: 2BBP7-YTD-FL-001 Trademark: YTDRGB Model Number: YTD-FL-001, YTD-FL-002, YTD-FL-003, YTD-FL-004, YTD-TL-001, YTD-TL-002, YTD-TL-003, YTD-TL-004, YTD-TL-005, YTD-TL-006, BSD-FL-001, BSD-FL-002, BSD-FL-003, BSD-FL-004, BSD-TL-001, BSD-TL-002, BSD-TL-003, BSD-TL-004, BSD-TL-005, BSD-TL-006 Prepared For: Dongguan Yitongda Electronic Technology Co., Ltd. Address: Room 402, Building 2, No. 11, Shandou North Road, Humen Town, Dongguan, Guangdong Manufacturer: ShenZhen DongFang QiYi OptoElectronic Technology Co.,Ltd Address: Room 502, Building A-5, Xinfu Industrial Park, Chongqing Road, Zhancheng Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province 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: Jun. 14, 2023 Sample tested Date: Jun. 14, 2023 to Jun. 17, 2023 Issue Date: Jun. 17, 2023 Report No.: CTB230617018RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230617018RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 36 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 ................................................................................................................................................ 14 7.3 Test procedure ............................................................................................................................... 16 7.4 Test Result ..................................................................................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 24 8.1 Block Diagram Of Test Setup ......................................................................................................... 24 8.2 Limit ................................................................................................................................................ 24 8.3 Test procedure ...............................................................................................…

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Radiated Emission Below 1G Above 1G Conducted emissions