2AY7Z-P1Smart Plug

2412-2462

Shenzhen Offong Technology Co., Ltd. Address: 2006.South China Development Center, No.1, South China Avenue, Hehua Community, Pinghu Street, Longgang District, Shenzhen Tel.: 13066895036 E-mail: [email protected] Product Similarity Declaration 2021-04-06 To: Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 Dear Sir/Madam, We, Shenzhen Offong Technology Co., Ltd. hereby declare that we have a Smart plug as Product name (Model: P2-3 FCC ID: 2AY7Z-P1) was tested by Shenzhen Accurate Technology Co., Ltd. and, Meanwhile, for our marketing purpose, we would like to list series model (P1, P1-1, P1-2, P1-3 ,P2, P2-1, P2-2, P2-4, P2-5, P3, P3-1, P3-2, P3-3 ) on reports and certificate. The only difference between them is the model name and appearance. 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. Sincerely Yours, Signature: Name: Siting Rao Title: Product manager

Shenzhen Offong Technology Co., Ltd. Address: 2006.South China Development Center, No.1, South China Avenue, Hehua Community, Pinghu Street, Longgang District, Shenzhen Tel.: 13066895036 E-mail: [email protected] FCC Confidential Authorization Date: 2021-04-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road C olumbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2 AY7Z-P1 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen Offong Technology 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 C ontact name: Siting Rao Title: Product manager

Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF External Photos Page 1 of 3 External Photos Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF External Photos Page 2 of 3 Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF External Photos Page 3 of 3

Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF Internal Photos Page 1 of 3 Internal Photos Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF Internal Photos Page 2 of 3 Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF Internal Photos Page 3 of 3 Antenna

Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-00A FCC Part 15.247 Page 10 of 55 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/cm 2 ) 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) 2412-2462 2 1.58 14 25.12 20 0.008 1

Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF Test Photos Page 1 of 2 Photo of Conducted Emission Measurement Photo of Radiated Emission Measurement (Below 1G) Shenzhen Accurate Technology Co., Ltd. Report No.: RSZ210311001-RF Test Photos Page 2 of 2 Photo of Radiated Emission Measurement (Above 1G)