2AQ3A-L20Robot Vacuum Cleaner

Shenzhen VanTop Technology & Innovation Co., Ltd. 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China Tel: +86-755-84652162 E-mail: [email protected] Date: 2021-05-20 Similarity Declaration Dear Sir or Madam, FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Shenzhen VanTop Technology & Innovation Co., Ltd. hereby declare that we have a product named as Robot Vacuum Cleaner (Model number: L20, FCC ID: 2AQ3A-L20) was tested by BACL. Meanwhile, for our marketing purpose, we would like to list a series models (D7, LB20MQ, D7Q, LB20T, D7S, D7U, D7V, L20S, L20U, L20V) on reports and certificate. All of the models are electrically identical, but the difference among them is model name. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Signature: Printed Name: Zhibao Deng Title: Product Director

Shenzhen VanTop Technology & Innovation Co., Ltd. 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China Tel: 86-0755-84652162 Email: [email protected] FCC Confidential Authorization Date: 2021-05-20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AQ3A-L20 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen VanTop Technology & Innovation Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description The above materials 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: Zhibao Deng Title: Product Director

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 1 of 6 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 2 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 3 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 4 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 5 of 6 Adapter 1 (Model:AS2401A-2401000US) Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 6 of 6 Adapter 2 (Model:KA2401A-2401000US)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 1 of 10 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 2 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 3 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 4 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 5 of 10 Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 6 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 7 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 8 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 9 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210401-09429E-RF Page 10 of 10

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ4210401-09429E-RF FCC Part 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2, RSS-247, ISSUE 2, FEBRUARY 2017 Page 10 of 65 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247 (i) and subpart 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 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/f 2 ) 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 Result Calculated Formulary: Predication of MPE limit at a given distance S = 2 4R PG  S = power density (in appropriate units, e.g. mW/cm2) 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) Frequency (MHz) Antenna Gain Tune up conducted power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric) (dBm) (mW) 2412-2472 2.0 1.58 17.0 50.12 20 0.016 1 Note: 1. The tune up conducted power was declared by the applicant To maintain compliance with the FCC’s RF exposure guidelines, place the equipment at least 20cm from nearby persons. Result: Pass

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2 RSS-247, ISSUE 2, FEBRUARY 2017 TEST REPORT For Shenzhen VanTop Technology & Innovation Co., Ltd. 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China FCC ID: 2AQ3A-L20 IC: 24268-L20 Report Type: Original Report Product Type: Robot Vacuum Cleaner Report Number: SZ4210401-09429E-RF Report Date: 2021-06-10 Reviewed By: Jacob Kong RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) ,6F,7F,the 3rd Phase of Wan Li Industrial Building D,Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ4210401-09429E-RF FCC Part 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2, RSS-247, ISSUE 2, FEBRUARY 2017 Page 2 of 65 TABLE OF CONTENTS GENERAL INFORMATION ...................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .................................................................................... 4 OBJECTIVE .................................................................................................................................................................. 4 TEST METHODOLOGY ................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY ................................................................................................................................... 5 SYSTEM TEST CONFIGURATION ......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ..................................................................................................................... 6 EQUIPMENT MODIFICATIONS ...................................................................................................................................... 6 EUT EXERCISE SOFTWARE ......................................................................................................................................... 6 DUTY CYCLE ............................................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS ................................................................................................................... 7 EXTERNAL I/O CABLE ................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ............................................................................................................................... 7 SUMMARY OF TEST RESULTS .............................................................................................................................. 8 TEST EQUIPMENT LIST .......................................................................................................................................... 9 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ........................................................10 APPLICABLE STANDARD ............................................................................................................................................10 RESULT ......................................................................................................................................................................10 RSS-102 § 2.5.2 –EXEMPTION LIMITS FOR ROUTINE EVALUATION-RF EXPOSURE EVALUATION 11 APPLICABLE STANDARD ............................................................................................................................................11 §15.203 & RSS-Gen §6.8 ANTENNA REQUIREMENT .........................................................................................12 APPLICABLE STANDARD ............................................................................................................................................12 ANTENNA CONNECTOR CONSTRUCTION ....................................................................................................................13 §15.207 (a) & RSS-GEN §8.8 AC LINE CONDUCTED EMISSIONS ...................................................................14 APPLICABLE STANDARD ............................................................................................................................................14 EUT SETUP ................................................................................................................................................................15 EMI TEST RECEIVER SETUP .......................................................................................................................................15 TEST PROCEDURE.......................................................................................................................................................15 CORRECTED FACTOR & MARGIN CALCULATION…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ4210401-09429E-RF Page 1 of 2 EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ4210401-09429E-RF Page 2 of 2 Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)