2A898-3RSP02028BZSmart Plug Gen2

Mitra Power Solutions Co.,LTD 2022-11-14 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: Smart Plug Gen2 /Model: 3RSP02028BZ /FCC ID: 2A898-3RSP02028BZ) 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 Diagram ,Operational Description,Schematics) required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Qinghai Lian Manager Mitra Power Solutions Co.,LTD First Industrial district,Cunwei Village,HengLi Town DongGuan GuangDong PRC

Mitra Power Solutions Co.,LTD 2022-11-14 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 DongGuan Anci Electronic Technology 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, Qinghai Lian Manager Mitra Power Solutions Co.,LTD First Industrial district,Cunwei Village,HengLi Town DongGuan GuangDong PRC

898

RF EXPOSURE EVALUATION EUT Specification EUT Smart Plug Gen2 Model Number 3RSP02028BZ FCC ID 2A898-3RSP02028BZ Antenna gain (Max) 1.62dBi Operation Frequency 2405-2480MHz Input Rating AC 100-120V, 15A MAX Max. output power 11.35dBm(0.0136W) Test Requirement: According to FCC 1.1310: 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) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm 2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm=20cm Pd the limit of MPE, 1mW/cm 2 . If we know the maximum gain of the nd total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. 11.2 Measurement Result Antenna gain: 1.62dBi Mode Channe l Freq. (MHz) Measu red power (dBm) Tune- up power (dBm) Max tune-up power (dBm) Antenn a Gain （Nume ric） Evaluation result (mW/cm2 ) Power density Limits (mW/cm2 ) O-QPSK 2405 11.35 11±1 12 1.452 0.004578 1 O-QPSK 2440 11.11 11±1 12 1.452 0.004578 1 O-QPSK 2480 10.75 11±1 12 1.452 0.004578 1 Signature: Tiger Xu Date: 2022-11-14

2.4GPCBAntennaSpecification Frequency:2.4-2.5GHZ FreeSpaceRadiationPattern: （ MaxGain:1.62dBi ） AntennaDimensions:Length≈1/4*λ≈30mm,width:1mm OperatingTemperature:-10 °C ~+50 °C StorageTemperature:-10 °C ~+50 °C

TRF No.: 01-R001-3A-ZB TRF Originator: GTG TRF Date: 2022-06-29 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT FCC PART 15 SUBPART C REQUIREMENT OF Smart Plug Gen2 Model No.: 3RSP02028BZ Trademark: FCC ID: 2A898-3RSP02028BZ Report No.: E01A22110017F00201 Issue Date: November 11, 2022 Prepared for Mitra Power Solutions Co.,LTD First Industrial district,Cunwei Village,HengLi Town DongGuan GuangDong PRC Prepared by Dong Guan Anci Electronic Technology Co., Ltd. 1-2 Floor, Building A, No.11, Headquarters 2 Road, Songshan, Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. This report shall not be reproduced, except in full, without the written approval of Dong Guan Anci Electronic Technology Co., Ltd. 1 of 48 Report No.: E01A22110017F00201 TRF No.: 01-R001-3A-ZB Global Testing , Great Quality. VERIFICATION OF COMPLIANCE Applicant: Mitra Power Solutions Co.,LTD First Industrial district,Cunwei Village,HengLi Town DongGuan GuangDong PRC Manufacturer: Mitra Power Solutions Co.,LTD First Industrial district,Cunwei Village,HengLi Town DongGuan GuangDong PRC Product Description: Smart Plug Gen2 Trade Mark: Model Number: 3RSP02028BZ We hereby certify that: The above equipment was tested by Dong Guan Anci Electronic Technology Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10-2013 and the energy emitted by the sample EUT tested as described in this report is in compliance with conducted and radiated emission limits of FCC Rules Part 15.247(2022). Date of Test : November 02, 2022 to November 10, 2022 Prepared by : Duke Liu / EMC Engineer Approved & Authorized Signer : Tiger Xu / Supervisor 2 of 48 Report No.: E01A22110017F00201 TRF No.: 01-R001-3A-ZB Global Testing , Great Quality. Modified Information Version Summary Revision Date Report No. Ver.1.0 Original Report / E01A22110017F00201 3 of 48 Report No.: E01A22110017F00201 TRF No.: 01-R001-3A-ZB Global Testing , Great Quality. Table of Contents 1. GENERAL INFORMATION ............................................................................................................ 5 1.1 PRODUCT DESCRIPTION .............................................................................................................. 5 1.2 TEST METHODOLOGY .................................................................................................................. 5 2. TEST FACILITY ................................................................................................................................ 6 3. DESCRIPTION OF TEST MODES ................................................................................................ 7 4. SUMMARY OF TEST RESULTS ................................................................................................... 9 5. TEST SYSTEM UNCERTAINTY .................................................................................................. 10 6. CONDUCTED EMISSIONS TEST ............................................................................................... 11 6.1MEASUREMENT PROCEDURE: ..................................................................................................... 11 6.2TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................. 11 6.3MEASUREMENT EQUIPMENT USED: ............................................................................................. 11 6.4 CONDUCTED EMISSION LIMIT ..................................................................................................... 11 6.5 MEASUREMENT RESULT: ........................................................................................................... 12 6.5 CONDUCTED MEASUREMENT PHOTOS: ....................................................................................... 14 7. RADIATED EMISSION TEST ....................................................................................................... 15 7.1MEASUREMENT PROCEDURE ...................................................................................................... 15 7.2TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................. 17 7.3MEASUREMENT EQUIPMENT USED: ............................................................................................. 18 7.4 RADIATED EMISSION LIMIT .......................................................................................................... 19 7.5 MEASUREMENT RESULT .......................................................................................................... 20 7.6 RADIATED MEASUREMENT PHOTOS: ........................................................................................... 25 8. 6DB BANDWIDTH MEASUREMENT ......................................................................................... 26 8.1MEASUREMENT PROCEDURE ...................................................................................................... 26 8.2TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................. 26 8.3 MEASUREMENT EQUIPMENT USED: ............................................................................................ 26 8.4 LIMIT ........................................................................................................................................ 26 8.5MEASUREMENT RESULTS: .......................................................................................................... 26 9. MAXIMUM PEAK OUTPUT POWER TEST .............................................................................. 27 9.1MEASUREMENT PROCEDURE ...................................................................................................... 29 9.2TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .......................................…

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