2APN5-T2EU433 MHz Wireless Stick-on Smart Wall Switch

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

QA-FR-170-B Sh enzhen Sonoff Technologies Co., Ltd. Add: 1001, BLDG8 , Lianhua Industrial Park, Shenzhen, GD, China Tel: 0755-27955416 Fax: 0755-27955416 Email: [email protected] FCC Authorization Date: 2020-09-01 FEDERAL COMMUNICATIONS COMMISSION Autho rization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Shenzhen Sonoff Technologies Co., Ltd., Hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing o f all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratory Corporation on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 8 62. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Printed Name: Jerry Shi Title: Manager

QA-FR-171-A Shenzhen Sonoff Technologies Co., Ltd. Add: 100 1, BLDG8, Lianhua Industrial Park, Shenzhen, GD, China Fax: 0755-27955416 FCC Confidential Authorization Tel: 0755-27955416 Email: [email protected] Date: 2020-09-01 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID:2APN5-T2EU In accordance with Sections 0.4 57 and 0.459 of the Commission’s Rules, Shenzhen Sonoff Technologies 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, Signature: Printed Name: Jerry Shi Title: Manager

Shenzhen Sonoff Technologies Co., Ltd. Add: 1001, BLDG8, Lianhua Industrial Park, Shenzhen, GD, China Tel: 0755-27955416 Fax: 0755-27955416 Email: [email protected] DECLARATION OF SIMILARITY Date: 2020-09-01 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: We, Shenzhen Sonoff Technologies Co., Ltd., hereby declare that the product: 433MHz Wireless Stick-on Smart Wall Switch, FCC ID: 2APN5-T2EU. model: T2EU1C-RF, T2EU2C-RF, T3EU1C-RF, T3EU2C-RF, T3EU3C-RF is electrically identical with the model: T2EU3C-RF which was tested by BACL with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between those models and that are declared similar are as follows: T2EU1C-RF, T2EU2C-RF, T2EU3C-RF and T3EU1C-RF, T3EU2C-RF, T3EU3C-RF are different in the front shell color, T2EU1C-RF, T2EU2C-RF, T2EU3C-RF is White and T3EU1C-RF, T3EU2C-RF, T3EU3C-RF is black. T2EU1C-RF, T2EU2C-RF, T2EU3C-RF, T3EU1C-RF, T3EU2C-RF, T3EU3C-RF are different from the number of control devices, T2EU1C-RF, T3EU1C-RF can only control 1 load, T2EU2C-RF, T3EU2C-RF can control 2 loads and T2EU3C-RF, T3EU3C-RF can control 3 loads together, all models are shared PCB boards. Please contact me should there be need for any additional clarification or information. Best Regards, Signature: Printed Name: Jerry Shi Title: Manager

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Model：T2EU3C-RF RF Chip Antenna Model：T2EU2C-RF Model：T2EU1C-RF

FCC PART 15.231 TEST REPORT For Shenzhen Sonoff Technologies Co., Ltd. 1001, BLDG8, Lianhua Industrial Park, shenzhen, GD, China Report Type: Original Report Product Type: 433MHz Wireless Stick-on Smart Wall Switch Report Number: RDG200728005-00A Report Date: 2020-09-10 Reviewed By: Ivan Cao Assistant Manager Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn FCC ID:2APN5-T2EU Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG200728005-00A Page 2 of 18 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 3 TEST FACILITY ............................................................................................................................................................. 4 DECLARATIONS ............................................................................................................................................................ 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 5 SUMMARY OF TEST RESULTS ............................................................................................................................... 6 FCC §15.203 - ANTENNA REQUIREMENT ............................................................................................................. 7 APPLICABLE STANDARD .............................................................................................................................................. 7 ANTENNA CONNECTOR CONSTRUCTION ...................................................................................................................... 7 FCC §15.205, §15.209, §15.231 (B) - RADIATED EMISSIONS ............................................................................... 8 APPLICABLE STANDARD .............................................................................................................................................. 8 EUT SETUP .................................................................................................................................................................. 9 EMI TEST RECEIVER SETUP ......................................................................................................................................... 9 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 10 TEST PROCEDURE ...................................................................................................................................................... 10 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 10 TEST DATA ................................................................................................................................................................ 11 FCC §15.231(C) – 20 DB BANDWIDTH TESTING ................................................................................................ 14 REQUIREMENT ........................................................................................................................................................... 14 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 14 TEST PROCEDURE ...................................................................................................................................................... 14 TEST DATA ................................................................................................................................................................ 14 FCC §15.231(A) - DEACTIVATION TESTING ...................................................................................................... 16 APPLICABLE STANDARD ............................................................................................................................................ 16 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 16 TEST DATA ...........................................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View