2AVVA-S1Smart switch

Model difference letter Model: smart plug, smart home, S1,S2, S3, S4, S5, S6, S7, S8, S9, P1, P2, P3, P4, P5, P6, P7, P8, P9, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 All model’s the function, software and electric circuit are the same, the appearance color and model named of product are different. Test sample model: S1 sincerely Signature Name: Jack Wang Title: Manager Company: Shenzhen Xiaoyi IOT Technology Co., Ltd. Address: 7/F, Building 4, Haoshida Industrial Zone, Yalian, Bantian, Longgang District, Shenzhen, China

Shenzhen Xiaoyi IOT Technology Co., Ltd. (March 23. 2020) MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR EUT: Smart switch Model: smart plug, smart home, S1,S2, S3, S4, S5, S6, S7, S8, S9, P1, P2, P3, P4, P5, P6, P7, P8, P9, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 FCC ID: 2AVVA-S1 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 -Schematic -Block diagram -Operation description 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: Jack Wang Title: Manager Company: Shenzhen Xiaoyi IOT Technology Co., Ltd. Address: 7 / F, Building 4, Haoshida Industrial Zone, Yalian, Bantian, Longgang District, Shenzhen, China

Shenzhen Xiaoyi IOT Technology Co., Ltd. (March 23. 2020) Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Flux Compliance Service Laboratory 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: Jack Wang Title: Manager Company: Shenzhen Xiaoyi IOT Technology Co., Ltd. Address: 7 / F, Building 4, Haoshida Industrial Zone, Yalian, Bantian, Longgang District, Shenzhen, China

Label and Label Location Product Name: Smart switch Model: S1 FCC ID: 2AVVA-S1 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2)this device must accept any Interference received, including interference that may cause undesired operation L*W: 35mm*25mm white font on a Black label

PCB Antenna RF Chip

FCC RF Exposure EUT Description: Smart switch Model No.: smart plug, smart home, S1, S2, S3, S4, S5, S6, S7, S8, S9, P1, P2, P3, P4, P5, P6, P7, P8, P9, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 FCC ID: 2AVVA-S1 1. Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) F = frequency in MHz Formula: Pd = (Pout*G)/(4*π*r 2 ) Where : Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, π= 3.14; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm2. If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 2. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 3. Test Result of RF Exposure Evaluation Output power （dBm/ mW） Antenna Gain(dBi) 802.11b 10.95/12.44 1.9 802.11g 10.10/10.23 1.9 802.11n(20MHz) 9.67/9.26 1.9 802.11n(40MHz) 2.12/1.62 1.9 Turn-up power Mode Peak power range(dBm) wifi 2.00-11.00 FCC exclusion condition as below: [11dBm/12.6mW) output power], R=20cm (12.6mW) *1.9/(4*π*r 2 ) =0.00477<1 Conclusion: No SAR is required

FCC Test Report Report No: FCS20200306006W01 Issued for Shenzhen Xiaoyi IOT Technology Co., Ltd. 7 / F, Building 4, Haoshida Industrial Zone, Yalian, Bantian, Longgang District, Shenzhen, China Product Name: Smart switch Brand Name: N/A Model Name: S1 Series Model: smart plug, smart home, S2, S3, S4, S5, S6, S7, S8, S9, P1, P2, P3, P4, P5, P6, P7, P8, P9, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 FCC ID: 2AVVA-S1 Test Standard: FCC Part 15.247 Issued By: Flux Compliance Service Laboratory Add: Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com Page 2 of 89 Report No.: FCS20200306006W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com TEST RESULT CERTIFICATION Applicant’s Name ................... : Shenzhen Xiaoyi IOT Technology Co., Ltd. Address .................................. : 7 / F, Building 4, Haoshida Industrial Zone, Yalian, Bantian, Longgang District, Shenzhen, China Manufacture's Name .............. : Shenzhen Xiaoyi IOT Technology Co., Ltd. Address .................................. : 7 / F, Building 4, Haoshida Industrial Zone, Yalian, Bantian, Longgang District, Shenzhen, China Product Description Product Name ........................ : Smart switch Brand Name ......................... : N/A Model Name ........................... : S1 Series Model .......................... : smart plug, smart home, S2, S3, S4, S5, S6, S7, S8, S9, P1, P2, P3, P4, P5, P6, P7, P8, P9, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 Test Standards ....................... : FCC Part15.247 Test Procedure ....................... : ANSI C63.10-2013 This device described above has been tested by Flux Compliance Service Laboratory, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of Flux Compliance Service Laboratory, this document may be altered or revised by Flux Compliance Service Laboratory, personal only, and shall be noted in the revision of the document.. Date of Test ............................... : Date (s) of performance of tests : 20 Feb 2020 to 06 Mar. 2020 Date of Issue ............................. : 06 Mar. 2020 Test Result ................................. : Pass Tested by : (Chris Chen) Reviewed by : (Jack Chen) Approved by : ( Andy yue) Page 3 of 89 Report No.: FCS20200306006W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 10 2.3 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 11 2.4 EQUIPMENTS LIST 12 3. 6DB BANDWIDTH 13 3.1 LIMIT 13 3.2 TEST PROCEDURE 13 3.3 TEST SETUP 13 3.4 TEST RESULTS 14 4 CONDUCTED OUTPUT POWER 21 4.1 LIMIT 21 4.2 TEST PROCEDURE 21 4.3 TEST SETUP 21 4.5 TEST RESULTS 21 5. POWER SPECTRAL DENSITY 28 5.1 LIMIT 28 5.2 TEST PROCEDURE 28 5.3 TEST SETUP 28 5.5 TEST RESULTS 29 5.6 ORIGINAL TEST DATA 30 6. BAND EDGE AND SPURIOUS(CONDUCTED) 36 6.1 LIMIT 36 6.2 TEST PROCEDURE 36 6.3 TEST SETUP 36 6.5 TEST RESULTS 37 6.5 ORIGINAL TEST DATA 37 7 RADIATED EMISSION MEASUREMENT 60 Page 4 of 89 Report No.: FCS20200306006W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com Table of Contents Page 8 CONDUCTED EMISSION TEST 85 9. ANTENNA REQUIREMENT 89 9.1 STANDARD REQUIREMENT 89 9.2 RESULT 89 Page 5 of 89 Report No.: FCS20200306006W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com Revision History Rev. Issue Date Report NO. Effect Page Contents 00 06 Mar. 2020 FCS20200306006W01 ALL Initial Issue Page 6 of 89 Report No.: FCS20200306006W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02 FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark FCC 15.247 (a) (2) 6dB Bandwidth PASS -- FCC 15.247 (b) (3) Conducted Output Power PASS -- FCC 15.247 (e) Power Spectral Density PASS -- FCC 15.247 (d) Band-edge and Spurious Emissions (Conducted) PASS -- FCC 15.247 (d) FCC 15.209 FCC 15.205 Radiated Spurious Emissions PASS -- FCC 15.247 (d) FCC 15.209 FCC 15.205 Radiated Band Edge Compliance PASS -- FCC 15.207 Power Line Conducted Emission PASS -- FCC 15.203 Antenna requirement PASS -- 15.205 Restricted Band Edge Emission PASS -- NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) All tests are according to ANSI C63.10-2013 Page 7 of 89 Report No.: FCS20200306006W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.FCS-lab.com 1.1 TEST FACTORY Company Name: Flux Compliance Service Laboratory Address: Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Telephone: +86-769-27280901 Fax: +86-769-27280901 FCC Test Firm Registration Number…

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Blow 1GHz for radiated emission test setup Above 1GHz for radiated emission test setup