2AGBW9290024476XLED Lamp

QA-FR-170-B Signify (China) Investment Co., Ltd. Add: Building no.9, Lane 888, Tianlin Road, Minhang District Shanghai, China 200233 Tel: +86-17701755062 Fax: +86-21-54452269 E-mail: [email protected] Attestation Letter Date: 2021-1-14 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: The chip ESP32-U4WDH installed in our product LED Lamp (model name: 9290024476, FCC ID:2 AGBW9290024476X), which supports BR/EDR, BLE and Wi-Fi functions. But for this product, it only activates BLE and Wi-Fi functions, the BR/EDR function is disabled by using the software. Please contact me should there be need for any additional clarification or information. Best Regards, Sincerely Yours, Signature: Print Name: Yefeng Zhang Title: Approbation Group Manager

Company: Signify (China) Investment Co., Ltd. Add: Building no.9, Lane 888, Tianlin Road, Minhang District Shanghai, 200233 China Tel: +86-17701755062 Fax: +86-21-54452269 Email: [email protected] FCC Confidential Authorization Date:2021-01-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization an d Evaluation Division 74 35 Oakland Mill s Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AGBW9290024476X To: whom it may concern, In accord ance with Section s 0.457 and 0.459 of the Commission’s Rules, Signify (China) Investment Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: The above ma terials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Typed or Printed Name: Yefeng Zhang Title: Approbation Group Manager As well as short-term confidential (end to 2021-07-14) treatment of information accompanying this application as outlined below: Internal Photos User’s Manual External Photos Test Set-up Photos Block Diagram Schemati cs Operation Description

EXHIBIT A - EUT PHOTOGRAPHS

2AGBW9290024476X 20812-24476X 2200-6500K(RGB) 9290024476

EXHIBIT B - EUT PHOTOGRAPHS Antenna

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RDG210114052-00A FCC Part 15.247 Page 16 of 85 FCC §15.247 (i) & §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247 (i) and subpart 1.1310, 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 / f/1500 30 1500-100,000 / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RDG210114052-00A FCC Part 15.247 Page 17 of 85 Calculated Data: 2.4G WiFi&BLE: Mode Frequency Range (MHz) Antenna Gain Target Output Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric) (dBm) (mW) 802.11b 2412~2462 3.7 2.34 23.50 223.87 20 0.1042 1.0 802.11g 3.7 2.34 23.00 199.53 20 0.0929 1.0 802.11 n-HT20 3.7 2.34 23.00 199.53 20 0.0929 1.0 802.11 n-HT40 2422~2452 3.7 2.34 22.00 158.49 20 0.0738 1.0 BLE 2402~2480 3.7 2.34 8.00 6.31 20 0.0029 1.0 Note: 1. For the above tune up power were declared by the manufacturer. 2. Wi-Fi and BLE can't transmit simultaneously. Result: The device meet FCC MPE at 20 cm distance.

FCC PART 15.247 TEST REPORT For Signify (China) Investment Co., Ltd. Building no.9, Lane 888, Tianlin Road, Minhang District Shanghai, 200233 China FCC ID: 2AGBW9290024476X Report Type: Original Report Product Type: LED lamp Test Engineer: CK Huang Re port Number: RDG210114052-00A Re port Date: 2021-02-08 Reviewed B y: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road, Kunshan, Jiangsu province, China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RDG210114052-00A FCC Part 15.247 Page 2 of 85 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................. 11 EXTERNAL I/O CABLE ................................................................................................................................................ 11 BLOCK DIAGRAM OF TEST SETUP .............................................................................................................................. 12 SUMMARY OF TEST RESULTS ............................................................................................................................. 14 Test Equipment List .................................................................................................................................................... 15 FCC §15.247 (i) & §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) ................................ 16 APPLICABLE STANDARD ............................................................................................................................................ 16 CALCULATED FORMULARY: ....................................................................................................................................... 16 CALCULATED DATA: .................................................................................................................................................. 17 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 18 APPLICABLE STANDARD ............................................................................................................................................ 18 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 18 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 19 APPLICABLE STANDARD ............................................................................................................................................ 19 EUT SETUP ................................................................................................................................................................ 19 EMI TEST RECEIVER SETUP ....................................................................................................................................... 19 TEST PROCEDURE ...................................................................................................................................................... 20 FACTOR & OVER LIMIT CALCULATION ...................................................................................................................... 20 TEST RESULTS SUMMARY .......................................................................................................................................... 20 TEST DATA ................................................................................................................................................................ 20 FCC §15.209, §15.205 & §15.247(D) - SPURIOUS EMISSIONS ............................................................................ 25 APPLICABLE STANDARD ............................................................................................................................................ 25 EUT SETUP .........................................................................................................................…

Text truncated - open the document above for the full version.

EXHIBIT C - TEST SETUP PHOTOGRAPHS Conducted Emissions (Front View) Conducted Emissions (Side View) Radiated Emissions (Below 1GHz) Radiated Emissions (Above 1GHz)