2AT4N-DPF10Digital photo frame

Warning 6 tatement 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 in terference, and (2) this device must accept any interference received, including interfe rence that may cause undesired operation. Any Changes or modifications not expressly approv ed by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and foun d to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are design ed to provide reasonable protection against harmful interferenc e in a residential installatio n. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installati on. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interfere nce by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different fr om that to which the receiver is connected. -Consult the dealer or an experie nced radio/TV technic ian for help. This equipment complies with FCC radiation exposure limits set forth for anuncontrolled environment. This equipment should be installed and operated withminimum distance 20cm between the radiator & your body.

Shenzhen Hoozo Electronics co., Ltd Agent Authorization Letter (2021/05/14) 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 (Shenzhen ZKT 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, Client’s signature : Client’s name / title : Sunny Gong / Manager Contact information / address: Block B, Hengmingzhu Industrial Park; Qianjin Road, Xixiang, Bao`an District, Shenzhen City, China

Shenzhen Hoozo Electronics co., Ltd Family models declaration letter. 2021-05-14 We Shenzhen Hoozo Electronics co., Ltd Of Block B, Hengmingzhu Industrial Park; Qianjin Road, Xixiang, Bao`an District, Shenzhen City, China Product: Digital photo frame Model Name: DPF10 Serial Model: HF10B, HF10A, FY10FA, LB-DF2, TB10A, TP-11A, WF01A, BF-10A, LE10UA, JE10FA, CD1, WC10FA, WC10FB, FY10FB, HF10B, TB10B, LE10DA, LE10EA, LE10IA, LE10UB, WF01B, BF-10B, TP-11B, JE10FB, CD, CD2, LB-DF1, LB-DF2, NP-10, LB-DF, EP-10, HP-10, AP-10 All the model are the same circuit and RF module,except model names. Thanks Sincerely, Signature Name: Sunny Gong Date: 2021-05-14 Title: Manager

Shenzhen Hoozo Electronics co., Ltd Long Term Confidentiality Request Letter (2021-05-14) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR(Digital photo frame / DPF10, HF10B, HF10A, FY10FA, LB-DF2, TB10A, TP-11A, WF01A, BF-10A, LE10UA, JE10FA, CD1, WC10FA, WC10FB, FY10FB, HF10B, TB10B, LE10DA, LE10EA, LE10IA, LE10UB, WF01B, BF-10B, TP-11B, JE10FB, CD, CD2, LB-DF1, LB-DF2, NP-10, LB-DF, EP-10, HP-10, AP-10 / 2AT4N-DPF10) 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 - Schematics - Operational Description 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, Client’s signature : Client’s name / title : Sunny Gong / Manager Contact information / address: Block B, Hengmingzhu Industrial Park; Qianjin Road, Xixiang, Bao`an District, Shenzhen City, China

5*3cm

ANT

FCC ID: 2AT4N-DPF10 RF Exposure Evaluation 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) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 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 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 = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . 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. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation DSSS/OFDM mode Channel Output power to antenna (dBm) maximum tune-up power (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 13.235 14.235 26.51 0.006649 1.0 PASS 802.11g 12.571 13.571 22.75 0.005707 1.0 PASS 802.11n20 12.575 13.575 22.77 0.005712 1.0 PASS 802.11n40 11.570 12.570 18.07 0.004532 1.0 PASS Remark: antenna gain=1.0dBi

Project No.:ZKT-210427L1559E Page 1 of 57 FCC TEST REPORT FCC ID:2AT4N-DPF10 Report Number. .............................. : ZKT-210427L1559E Date of Test ................................................. : Apr. 15, 2021 to May 06, 2021 Date of issue .................................... : May 06, 2021 Total number of pages ...................... 57 Test Result ....................................... : PASS Testing Laboratory. ........................ : Shenzhen ZKT Technology Co., Ltd. Address .......................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ......................... : Shenzhen Hoozo Electronics co., Ltd Address .......................................... : Block B, Hengmingzhu Industrial Park; Qianjin Road, Xixiang, Bao`an District, Shenzhen City, China Manufacturer's name ................... : Shenzhen Hoozo Electronics co., Ltd Address .......................................... : Block B, Hengmingzhu Industrial Park; Qianjin Road, Xixiang, Bao`an District, Shenzhen City, China Test specification: Standard .......................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test procedure ................................. : / Non-standard test method ............. : N/A Test Report Form No. .................... : TRF-EL-110_V0 Test Report Form(s) Originator .... : ZKT Testing Master TRF .................................... : Dated: 2021-05-06 This device described above has been tested by ZKT, and 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 ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ................................. : Digital photo frame Trademark ...................................... : FLYING TECH, HOOZO, WINSING, LECTRUS, IBBWB, Victbing, TPZ, Tabtrust, Justethan, Wecool, CNMF, NINTAUS, Lebang, XNN, EEW, HHC, AAUB Model/Type reference ...................... : DPF10 HF10B, HF10A, FY10FA, LB-DF2, TB10A, TP-11A, WF01A, BF-10A, LE10UA, JE10FA, CD1, WC10FA, WC10FB, FY10FB, HF10B, TB10B, LE10DA, LE10EA, LE10IA, LE10UB, WF01B, BF-10B, TP-11B, JE10FB, CD, CD2, LB-DF1, LB-DF2, NP-10, LB-DF, EP-10, HP-10, AP-10 Project No.:ZKT-210427L1559E Page 2 of 57 Testing procedure and testing location: Testing Laboratory ..................................... : Shenzhen ZKT Technology Co., Ltd. Address ...................................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Alen He Tested by (name + signature) .................... : Joe Liu Reviewer (name + signature) ..................... : Lake Xie Approved (name + signature) .................... : Ratings ............................................. : DC 5V From SWITCHING POWER ADAPTER Project No.:ZKT-210427L1559E Page 3 of 57 Table of Contents Page 1. VERSION ..................................................................................................................... 5 2. SUMMARY OF TEST RESULTS .................................................................................. 6 2.1 TEST FACILITY .................................................................................................................. 7 2.2 MEASUREMENT UNCERTAINTY ..................................................................................... 7 3. GENERAL INFORMATION .......................................................................................... 8 3.1 GENERAL DESCRIPTION OF EUT ................................................................................... 8 3.2 DESCRIPTION OF TEST MODES ..................................................................................... 9 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED ................. 9 3.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) .......................................... 9 3.5EQUIPMENTS LIST FOR ALL TEST ITEMS .................................................................... 11 4. EMC EMISSION TEST ............................................................................................... 12 4.1 CONDUCTED EMISSION MEASUREMENT ................................................................... 12 4.1.1 POWER LINE CONDUCTED EMISSION Limits ..................................................... 12 4.1.2 TEST PROCEDURE ................................................................................................ 12 4.1.3 DEVIATION FROM TEST STANDARD .................................................................... 12 4.1.4 TEST SETUP ........................................................................................................... 13 4.1.5 EUT OPERATING CONDITIONS ............................................................................. 13 4.1.6 TEST RESULT ......................................................................................................... 14 4.2 RADIATED EMISSION MEASUREMENT ........................................................................ 16 4.2.1 RADIATED EMISSION LIMITS ................................................................................ 16 4.2.2 TEST PROCEDURE ................................................................................................ 16 4.2.3 DEVIATION FROM TEST STANDARD .................................................................... 17 4.2.4 TEST SETUP ........................................................................................................... 17 4.2.5 EUT OPERATING CONDITIONS ............................................................................. 18 4.2.6 TEST RESULTS ..........................…

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Test Setup Photograph Radiated Emissions Test Setup Below 1G Above 1G Conduction Emissions Test Setup