2A7T5-RDA11A1Robotic Vacuum Cleaner

Date: 2022.08.01 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Robotic Vacuum Cleaner / RDA11.A1 / 2A7T5-RDA11A1 ) 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 (Block Diagrams, Schematics, Operational Descriptions) required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Signature: Name: Luna Lv Applicant: Beijing Shunzao Technology Co., Ltd. Address: 101, 1st floor, Building1, No.16, Anningzhuang East Road, Haidian District, Beijing, China TEL: 15962205536

date: 2022.08.01 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 (Eurofins Electrical Testing Service (Shenzhen) 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: Luna Lv Applicant: Beijing Shunzao Technology Co., Ltd. Address: 101, 1st floor, Building1, No.16, Anningzhuang East Road, Haidian District, Beijing, China TEL: 15962205536

Overall view Overall view of robotic vacuum cleaner Overall view of robotic vacuum cleaner Overall view of robotic vacuum cleaner Overall view of robotic vacuum cleaner Overall view of robotic vacuum cleaner Overall view of robotic vacuum cleaner Charger view Alternative charger view

Overall view of robotic vacuum cleaner Dust container and water tank view of robotic vacuum cleaner Figure 1. Internal view of robotic vacuum cleaner Internal view of robotic vacuum cleaner Internal view of robotic vacuum cleaner PCBA view of robotic vacuum cleaner PCBA view of robotic vacuum cleaner Internal view of robotic vacuum cleaner Internal view of robotic vacuum cleaner Battery view of robotic vacuum cleaner Side sweeping motor view of robotic vacuum cleaner Middle sweeping motor view of robotic vacuum cleaner Suction motor view of robotic vacuum cleaner Drive wheel motor view of robotic vacuum cleaner Figure 22. Pump view of robotic vacuum cleaner Overall view of charging dock Overall view of charging dock Overall view of charging dock Internal view of charging dock PCBA view of charging dock PCBA view of charging dock PCBA view of charging dock PCBA view of charging dock

1 Safety Human Exposure 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test standard : CFR47 FCC Part 2: Section 2.1091 CFR47 FCC Part 1: Section 1.1310 FCC KDB Publication 447498 v06, section 7 FCC ID: 2A7T5-RDA11A1 IC: 28767-RDA11A1 RSS-102 Issue 5 March 2015, section 2.5.2  FCC requirements FCC requirement: 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 limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 20cm normally can be maintained between the user and the device. MPE Calculation Method according to KDB 447498 v06 Power Density: S (mW/cm 2 ) = PG/4πR 2 or EIRP/4πR 2 Where: S = power density (mW/cm 2 ) P = power input to the antenna (mW) 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 (cm) From the maximum conducted output power, the minimum mobile separation distance, d=20 cm, as well as the antenna gain, the RF power density can be calculated as below: S(mW/cm2)= PG/4πR2 a) EUT RF Exposure Evaluation operations, Worst Case mode Test Mode Measured Power (dBm) Antenna Gain (dBi) Measured e.i.r.p (dBm) S(mW/cm 2 )= PG/4πR 2 Limit (mW/cm 2 ) 2.4GHz band Wi-Fi 16.02 2.54 18.56 0.014 1.0  IC requirements: The EUT shall comply with the requirement of RSS-102 section 4 Exposure Limits. a) EUT RF Exposure Evaluation standalone operations, Worst Case mode Test Mode Maximum e.i.r.p (dBm) Maximum e.i.r.p (W) Limit (W) 2.4GHz band Wi-Fi 18.56 0.04 2.68 “RF Radiation Exposure Statement Caution: This Transmitter must be installed to provide a separation distance of at least 20 cm from all persons.”

Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 10.040 2406.920 2416.960 0.5 PASS 2437 10.040 2431.920 2441.960 0.5 PASS 2462 10.040 2456.920 2466.960 0.5 PASS 11G Ant1 2412 16.360 2403.760 2420.120 0.5 PASS 2437 16.360 2428.760 2445.120 0.5 PASS 2462 16.360 2453.760 2470.120 0.5 PASS 11N20SISO Ant1 2412 17.120 2403.360 2420.480 0.5 PASS 2437 17.560 2428.160 2445.720 0.5 PASS 2462 17.320 2453.200 2470.520 0.5 PASS 11N40SISO Ant1 2422 35.120 2404.400 2439.520 0.5 PASS 2437 35.120 2419.400 2454.520 0.5 PASS 2452 35.120 2434.400 2469.520 0.5 PASS Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Channel Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 14.849 2404.520 2419.369 --- --- 2437 14.826 2429.517 2444.343 --- --- 2462 14.861 2454.505 2469.366 --- --- 11G Ant1 2412 17.395 2403.201 2420.596 --- --- 2437 17.381 2428.195 2445.576 --- --- 2462 17.438 2453.162 2470.600 --- --- 11N20SISO Ant1 2412 18.153 2402.906 2421.059 --- --- 2437 18.164 2427.914 2446.078 --- --- 2462 18.184 2452.894 2471.078 --- --- 11N40SISO Ant1 2422 35.834 2404.066 2439.900 --- --- 2437 35.816 2419.053 2454.869 --- --- 2452 35.848 2434.044 2469.892 --- --- Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Appendix C: Maximum conducted output power Test Result TestMode Anten na Frequen cy[MHz] Conducted Powert[dBm] Conducted Limit[dBm] EIRP [dBm] EIRP Limit[dBm] Verdict 11B Ant1 2412 14.75 ≤30.00 17.29 ≤36.00 PASS 2437 14.68 ≤30.00 17.22 ≤36.00 PASS 2462 14.59 ≤30.00 17.13 ≤36.00 PASS 11G Ant1 2412 15.57 ≤30.00 18.11 ≤36.00 PASS 2437 15.48 ≤30.00 18.02 ≤36.00 PASS 2462 16.02 ≤30.00 18.56 ≤36.00 PASS 11N20SISO Ant1 2412 14.38 ≤30.00 16.92 ≤36.00 PASS 2437 14.44 ≤30.00 16.98 ≤36.00 PASS 2462 14.34 ≤30.00 16.88 ≤36.00 PASS 11N40SISO Ant1 2422 14.44 ≤30.00 16.98 ≤36.00 PASS 2437 14.51 ≤30.00 17.05 ≤36.00 PASS 2452 14.49 ≤30.00 17.03 ≤36.00 PASS Appendix D: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3-100kHz] Limit[dBm/3kHz] Verdict 11B Ant1 2412 -17.79 ≤8.00 PASS 2437 -17.87 ≤8.00 PASS 2462 -15.46 ≤8.00 PASS 11G Ant1 2412 -19.44 ≤8.00 PASS 2437 -19.27 ≤8.00 PASS 2462 -19.78 ≤8.00 PASS 11N20SISO Ant1 2412 -20.08 ≤8.00 PASS 2437 -20.46 ≤8.00 PASS 2462 -20.76 ≤8.00 PASS 11N40SISO Ant1 2422 -23.27 ≤8.00 PASS 2437 -23.35 ≤8.00 PASS 2452 -23.74 ≤8.00 PASS Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Reference level measurement Test Result TestMode Antenna Freq(MHz) Max.Point[MHz] Result[dBm] 11B Ant1 2412 2412.45 5.27 2437 2436.44 5.43 2462 2461.44 5.25 11G Ant1 2412 2413.23 4.18 2437 2441.93 4.14 2462 2464.45 4.45 11N20SISO Ant1 2412 2416.93 3.08 2437 2440.69 3.08 2462 2463.22 3.16 11N40SISO Ant1 2422 2426.95 0.45 2437 2428.20 0.62 2452 2443.20 0.61 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Appendix E: Band edge measurements Test Result TestMode Antenn a ChNam e Frequency[MH z] RefLevel[dB m] Result[dB m] Limit[dBm ] Verdic t 11B Ant1 Low 2412 5.27 -34.66 ≤-24.73 PASS High 2462 5.25 -47.28 ≤-24.75 PASS 11G Ant1 Low 2412 4.18 -28.8 ≤-25.82 PASS High 2462 4.45 -40.85 ≤-25.55 PASS 11N20SIS O Ant1 Low 2412 3.08 -29.9 ≤-26.92 PASS High 2462 3.16 -41.64 ≤-26.84 PASS 11N40SIS O Ant1 Low 2422 0.45 -37.6 ≤-29.55 PASS High 2452 0.61 -39.04 ≤-29.39 PASS Test Graphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 11G_Ant1_High_2462 11N20SISO_Ant1_Low_2412 11N20SISO_Ant1_High_2462 11N40SISO_Ant1_Low_2422 11N40SISO_Ant1_High_2452 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Frequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11B Ant1 2412 30~1000 5.27 -62.09 ≤-24.73 PASS 1000~26500 5.27 -53.62 ≤-24.73 PASS 2437 30~1000 5.43 -61.67 ≤-24.57 PASS 1000~26500 5.43 -53.5 ≤-24.57 PASS 2462 30~1000 5.25 -61.45 ≤-24.75 PASS 1000~26500 5.25 -52.95 ≤-24.75 PASS 11G Ant1 2412 30~1000 4.18 -61.62 ≤-25.82 PASS 1000~26500 4.18 -52.35 ≤-25.82 PASS 2437 30~1000 4.14 -61.78 ≤-25.86 PASS 1000~26500 4.14 -52.91 ≤-25.86 PASS 2462 30~1000 4.45 -62.1 ≤-25.55 PASS 1000~26500 4.45 -52.53 ≤-25.55 PASS 11N20SISO Ant1 2412 30~1000 3.08 -61.95 ≤-26.92 PASS 1000~26500 3.08 -53.28 ≤-26.92 PASS 2437 30~1000 3.08 -61.79 ≤-26.92 PASS 1000~26500 3.08 -53.33 ≤-26.92 PASS 2462 30~1000 3.16 -61.09 ≤-26.84 PASS 1000~26500 3.16 -53.63 ≤-26.84 PASS 11N40SISO Ant1 2422 30~1000 0.45 -61.37 ≤-29.55 PASS 1000~26500 0.45 -53.26 ≤-29.55 PASS 2437 30~1000 0.62 -61.31 ≤-29.38 PASS 1000~26500 0.62 -52.36 ≤-29.38 PASS 2452 30~1000 0.61 -61.13 ≤-29.39 PASS 1000~26500 0.61 -53.47 ≤-29.39 PASS Test Graphs 11B_Ant1_2412_30~1000 11B_Ant1_2412_1000~26500 11B_Ant1_2437_30~1000 11B_Ant1_2437_1000~26500 11B_Ant1_2462_30~1000 11B_Ant1_2462_1000~26500 11G_Ant1_2412_30~1000 11G_Ant1_2412_1000~26500 11G_Ant1_2437_30~1000 11G_Ant1_2437_1000~26500 11G_Ant1_2462_30~1000 11G_Ant1_2462_1000~26500 11N20SISO_Ant1_2412_30~1000 11N20SISO_Ant1_2412_1000~26500 11N20SISO_Ant1_2437_30~1000 11N20SISO_Ant1_2437_1000~26500 11N20SISO_Ant1_2462_30~1000 11N20SISO_Ant1_2462_1000~26500 11N40SISO_Ant1_2422_30~1000 11N40SISO_Ant1_2422_1000~26500 11N40SISO_Ant1_2437_30~1000 11N40SISO_Ant1_2437_1000~26500 11N40SISO_Ant1_2452_30~1000 11N40SISO_Ant1_2452_1000~26500 Appendix G: Duty Cycle Tes…

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Page 1 of 29 EUROFINS ELECTRICAL TESTING SERVICE (SHENZHEN) CO., LTD. RADIO TEST - REPORT FCC&IC Compliance Test Report for Product name: Robotic Vacuum Cleaner Model name: RDA11.A1 FCC ID: 2A7T5-RDA11A1 IC: 28767-RDA11A1 Test Report Number: EFGX22060210-IE-01-E02 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. Phone: +86-0755-829118671 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, Fax: +86-0755-82910749 No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China Page 2 of 29 Content 1 General Information 4 1.1 Notes 4 1.2 Testing laboratory 5 1.3 Details of applicant 5 1.4 Details of manufacturer 5 1.5 Application details 6 1.6 Test item 6 1.7 Test standards 7 2 Technical test 8 2.1 Summary of test results 8 2.2 Test environment 8 2.3 Measurement uncertainty 8 2.4 Test mode 9 2.5 Test equipment utilized 10 2.6 Auxiliary equipment used during test 11 2.7 Test software information 11 2.8 Test setup 12 2.9 Test results 14 3 Technical Requirement 15 3.1 Conducted emission AC power port 15 3.2 Duty cycle 16 3.3 6dB bandwidth 17 3.4 99% Occupied Bandwidth 18 3.5 DTS fundamental emission output power 19 3.6 Power spectral density 22 3.7 Conducted Band Edge & Conducted Spurious Emissions 25 3.8 Spurious emissions & Restricted Band 26 4 Test Setup Photos 29 5 External Photos 29 6 Internal Photos 29 Test Report No.: EFGX22060210-IE-01-E02 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 3 of 29 7 Appendix 29 Test Report No.: EFGX22060210-IE-01-E02 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 4 of 29 1 General Information 1.1 Notes The results of this test report relate exclusively to the item tested as specified in chapter “Description of test item” and are not transferable to any other test items. Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. is not responsible for any generalisations and conclusions drawn from this report. Any modification of the test item can lead to invalidity of test results and this test report may therefore be not applicable to the modified test item. The test report may only be reproduced or published in full. Reproducing or publishing extracts of the report requires the prior written approval of the Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. This document is subject to the General Terms and Conditions and the Testing and Certification System of Eurofins Electrical Testing Service (Shenzhen) Co., Ltd., available on request or accessible at www.eurofins.com. perator 2022-08-02 Bruce Zheng / Project Engineer Date Eurofins-Lab. Name / Title Signature Technical responsibility for area of testing: 2022-08-02 Tom Tian / Supervisor Date Eurofins-Lab. Name / Title Signature Test Report No.: EFGX22060210-IE-01-E02 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 5 of 29 1.2 Testing laboratory Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone : +86-755-82911867 Fax : +86-755-82910749 The Laboratory has passed the Accreditation by the American Association for Laboratory Accrediation (A2LA). The Accreditation number is 5376.01 The Laboratory has been listed by industry Canada to perform electromagnetic emission measurements, The CAB identifier is CN0088 1.3 Details of applicant Name : Beijing Shunzao Technology Co., Ltd. Address : 101, 1st floor, Building1, No.16, Anningzhuang East Road, Haidian District, Beijing, China Telephone : ./. Fax : ./. 1.4 Details of manufacturer Name : Beijing Shunzao Technology Co., Ltd. Address : 101, 1st floor, Building1, No.16, Anningzhuang East Road, Haidian District, Beijing, China Telephone : ./. Fax : ./. Test Report No.: EFGX22060210-IE-01-E02 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 6 of 29 1.5 Application details Date of receipt of application : 2022-06-17 Date of receipt of test item : 2022-06-17 Date of test : 2022-06-17 to 2022-07-28 Date of issue : 2022-08-02 1.6 Test item Product type : Robotic Vacuum Cleaner Test Model : RDA11.A1 Sample ID : 220617-26-001 Model name : RDA11.A1 Serial number : N/A Hardware Version : V1.0 Software / Firmware Version : 4011 Ratings : Robot: Rated Voltage: DC 14.4V, battery capacity: 3000mAh, Rated Power: 30W Charging Dock: Charger:Input: 100-240V~, 50/60Hz, 0.4A; Output: DC 19V, 0.6A, Class 2 Alternative Charger: Input: AC 100-240V, 50/60Hz, 0.5A; Output: DC DC 19V, 0.6A, 11.4W, Class 2 Test voltage : DC 14.4V FCC ID : 2A7T5-RDA11A1 IC : 28767-RDA11A1 PMN : Robotic Vacuum Cleaner HVIN : RDA11.A1 Additional information : ./. RadioTechnical data Radio Tech. : WLAN 2.4G Modulation : 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM Antenna type : PCB Maximum antenna gain : 2.54 dBi The above sample(s) and sample information was/were submitted and identified on behalf of the applicant. Eurofins assures objectivity and impartiality of the test, and fulfills the obligation of confidentiality for applicant’s commercial infor- mation and technical documents. Test Report No.: EFGX22060210-IE-01-E02 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building …

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