2A8WF-PO2Magnetic Wireless Power Bank

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6

Photo 7 Photo 8 Photo 9 Photo 10 Ant Photo 11 Photo 12 Photo 13 Photo 14

Page 1 of 22 Report No.: S22050502909002 Report Revision 1.0 FCC Maximum Permissible RF Exposure (MPE) Estimation Report In accordance with the requirements of FCC Part 1 Subpart I 1.1307&1.1310 and FCC Part 2 Subpart J 2.1091&2.1093 Product Name： Magnetic Wireless Power Bank Trademark： N/A Model Name： PO2 Serial Model： N/A Report No.： S22050502909002 FCC ID： 2A8WF-PO2 Prepared for Shenzhen Yufeng Information Technology Co., Ltd. Room 833 & 856-856, Jiaxiye Plaza, No. 318, Minzhi Avenue, Minzhi Community, Minzhi Street, Longhua District, Shenzhen, China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Page 2 of 22 Report No.: S22050502909002 Report Revision 1.0 TEST RESULT CERTIFICATION Applicant’s name ................. : Shenzhen Yufeng Information Technology Co., Ltd. Address ................................. : Room 833 & 856-856, Jiaxiye Plaza, No. 318, Minzhi Avenue, Minzhi Community, Minzhi Street, Longhua District, Shenzhen, China Manufacturer's Name .......... : Shenzhen Yufeng Information Technology Co., Ltd. Address ................................. : Room 833 & 856-856, Jiaxiye Plaza, No. 318, Minzhi Avenue, Minzhi Community, Minzhi Street, Longhua District, Shenzhen, China Product description Product name ........................ : Magnetic Wireless Power Bank Trademark ............................ : N/A Model and/or type reference : PO2 Serial Model ........................... : N/A Standards ............................. : FCC Part 1 Subpart I 1.1307&1.1310 FCC Part 2 Subpart J 2.1091&2.1093 This device described above has been tested by Shenzhen NTEK. In accordance with the RF Exposure requirements specified in FCC Part 1 Subpart I 1.1307&1.1310 and FCC Part 2 Subpart J 2.1091&2.1093. Testing has shown that this device is capable of compliance with RF Exposure requirements specified in FCC Part 1 Subpart I 1.1307&1.1310 and FCC Part 2 Subpart J 2.1091&2.1093. The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. This report shall not be reproduced except in full, without the written approval of Shenzhen NTEK, this document may be altered or revised by Shenzhen NTEK, personal only, and shall be noted in the revision of the document. Date of Test Date (s) of performance of tests ............. : Oct. 17, 2022 ~ Oct. 18, 2022 Date of Issue .......................................... : Oct. 18, 2022 Test Result .............................................. : Pass Prepared By (Test Engineer) : (Susan li) Approved By (Lab Manager) : (Alex Li) Page 3 of 22 Report No.: S22050502909002 Report Revision 1.0 ※ ※ Revision History ※ ※ REV. DESCRIPTION ISSUED DATE REMARK Rev.1.0 Initial Test Report Release Oct. 18, 2022 Susan li Page 4 of 22 Report No.: S22050502909002 Report Revision 1.0 TABLE OF CONTENTS 1 General Information .......................................................................................................................................................... 5 1.1 RF Exposure Limits ................................................................................................................................................. 5 1.2 Facilities And Accreditations .................................................................................................................................. 5 1.3 EUT Description ..................................................................................................................................................... 6 1.4 Test specification(s) ............................................................................................................................................... 7 1.5 Measurement Uncertainty .................................................................................................................................... 7 1.6 Test Equipment List ................................................................................................................................................ 8 1.7 Measuring Requirements ...................................................................................................................................... 8 1.8 Test configuration .................................................................................................................................................. 9 1.9 Test Setup .............................................................................................................................................................. 9 2 Test Results ...................................................................................................................................................................... 10 2.1 For load mode H-Filed Strength ........................................................................................................................... 10 2.2 For No load mode H-Filed Strength ..................................................................................................................... 15 2.3 For load mode E-Filed Strength ........................................................................................................................... 18 2.4 For No load mode E-Filed Strength ...................................................................................................................... 20 Page 5 of 22 Report No.: S22050502909002 Report Revision 1.0 1 General Information 1.1 RF Exposure Limits Table - 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 Expos…

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SPECIFICATION FOR APPROVAL CUSTOM hasmine technology co.LTD CUSTOMER P/N: DESCRIPTION: DATE:2022-9-29 SPECIFICATION ：MINI（coil)+ (sleeve)55mm REV.NO.:A0 HRSW ELECTRONICS CO.,LTD Approved signature、seal Dept Confirm/Date Checked/Date Approved/Date (Company Seal) Quality dongwanhong 2022-9-29 Lvhui 2022-9-29 Weihanman 2022-9-29 Project heweihua 2022- 9-29 Weilihong 2022-9-29 Weilihong 2022-9-29 Remark： hasmine technology co.LTD Approved signature、seal Dept confirm/date checked/date Approved/date (Company Seal) ） Development engineerin g Purchase Quality Remark： HRSW ELECTRONICS CO.,LTD ADD： ADD:2 / F, Building 1, No. 48, Guanlan Huan Guan Middle Road, Longhua New District, Shenzhen TEL：+86-755-23461055 FAX：+86-0755-28015170 page:1/3 A B C D2 E H 43.5±1.0 20.5± 0.5 0.65± 0.05 55±3 4±2 2.2MAX S T E P START-FINISH WIRE TYPE TURNS TAPE REMA R K N 1 S-F 热风线 0.08*80mm 2UEW 10TS (Ref) IT EM L D C R Q值 HI-POT T E S T C O N 线圈加磁片 S - F 100KHz,0.25V AT 25°C SP EC 6.3uH±10% 60mΩ Max SPECIFICATION FOR APPROVAL 1.MECHANICAL DIMENSION (UNIT:mm) 2.SCHEMATICS: 1. The coil is attached with magnetic chip, magnetic chip ruler 43.5±1mm, 。 2. 1-2Ts; 3. The bottom of the spacer should be glued hot air wire 3.WINDING coil add magnetic sheet 4.ELECTRICAL SPECIFICATION: 5.BILF OF MATERIAL： N O . ITEM MATERIAL SPECIFICATION MANUFACTURER SGS NO. 1 hot air wire 0.08*80 hot air wire strands NANJINGJINNINGCO,LTD 2 Lead-free solder article Lead-free solder article QIAODO 3 Disk Manganese zinc hard magnetic chip L slot TAIYI CO.,LTD 4 Glue Chloroprene Adhesive999 LIANCHENG CO.,LTD Have L wire slot Wrap adhesive paper at the outlet of the coil 5 The high temperature tape 8mm wide high temperature adhesive paper CUDAK CO.,LTD 6 Ashesive 43.5*0.1 CUDAK CO.,LTD HRSW ELECTRONICS CO.,LTD PART NO TITLE （coil)+ (sleeve)55mm DRAWN BY CHECKED BY APPROVED BY heweihua weilihong weiloihong page:2/3 SPECIFICATION FOR APPROVAL 6.SAMPLE TEST DATA 6.1DIMENSION TEST(UNIT:mm) TEST ITEM A B C D E H SPEC 43.5± 1.0 20.5±0. 5 0.65±0. 05 55±3 4±2 2.2MAX 1 4 3. 2 20.51 0. 6 5 5 3 3.50 1.80 2 4 3. 5 20.53 0. 6 4 54.2 3.60 1.79 3 4 3. 1 20.51 0. 6 6 53.6 3.70 1.78 4 4 3. 2 20.49 0. 6 3 54.5 3.80 1.79 5 43.62 20.5 0. 6 7 5 5 4.00 1.76 6 7 8 9 1 0 M A X 43.62 20.53 0.67 55.00 4.00 1.80 M I N 43.10 20.49 0.63 53.00 3.50 1.76 AVERAG E 43.32 20.51 0.65 54.06 3.72 1.78 6.2ELECTRICAL TEST TEST ITEM L D C R IDC Q HI- POT S-F S-F TEST COND 100KHz/0.25v AT 25 °C SPEC 6.3uH ±10% 60mΩ (Max) 1 6.32 48.00 2 6.35 48.60 3 6.29 48.70 4 6.34 47.90 5 6.38 48.90 6 7 M A X 6.38 48.90 M I N 6.29 47.90 AVERAG E 6.34 48.42 HRSW ELECTRONICS CO.,LTD PART NO TITLE MINI线圈（coil)+套 管(sleeve)55mm DRAWN BY CHECKED BY APPROVED BY 何伟华 韦立红 韦立 红 page:3/3

Report No.: S22092303505001 Version.1.1 Page 1 of 25 FCC Test Report FCC ID: 2A8WF-PO2 Product: Magnetic Wireless Power Bank Trade Name: N/A Model Number: PO2 Serial Model: N/A Report No.: S22092303505001 Prepared for Shenzhen Yufeng Information Technology Co., Ltd. Room 833 & 856-856, Jiaxiye Plaza, No. 318, Minzhi Avenue, Minzhi Community, Minzhi Street, Longhua District, Shenzhen, China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website:http://www.ntek.org.cn Report No.: S22092303505001 Version.1.1 Page 2 of 25 TEST RESULT CERTIFICATION Applicant’s name ................. : Shenzhen Yufeng Information Technology Co., Ltd. Address ................................. : Room 833 & 856-856, Jiaxiye Plaza, No. 318, Minzhi Avenue, Minzhi Community, Minzhi Street, Longhua District, Shenzhen, China Manufacturer's Name .......... : Shenzhen Yufeng Information Technology Co., Ltd. Address ................................. : Room 833 & 856-856, Jiaxiye Plaza, No. 318, Minzhi Avenue, Minzhi Community, Minzhi Street, Longhua District, Shenzhen, China Product description Product name ........................... : Magnetic Wireless Power Bank Model and/or type reference : PO2 Family Model： N/A Standards ............................. : FCC part 15C ANSI C63.10:2013 KDB 680106 D01 RF Exposure Wireless Charging App v03r01 This device described above has been tested by Shenzhen NTEK Testing Technology Co., Ltd., 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 Shenzhen NTEK Testing Technology Co., Ltd., this document may be altered or revised by Shenzhen NTEK Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. The test results of this report relate only to the tested sample identified in this report. Date of Test ............................................ : Test Sample Number........................: S220923035006 Date (s) of performance of tests ............. : Sep 23. 2022 ~ Oct 10, 2022 Date of Issue ........................................... : Oct 10, 2022 Test Result ............................................... : Pass Testing Engineer : (Susan li) Authorized Signatory : (Alex Li) Report No.: S22092303505001 Version.1.1 Page 3 of 25 Table of Contents Page 1 . TEST SUMMARY 4 1.1 FACILITIES AND ACCREDITATIONS 5 1.2 LABORATORY ACCREDITATIONS AND LISTINGS 5 1.3 MEASUREMENT UNCERTAINTY 5 2 . GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF EUT 7 2.2 DESCRIPTION OF TEST SETUP 9 2.3 DESCRIPTION TEST PERIPHERAL AND EUT PERIPHERAL 10 2.4 MEASUREMENT INSTRUMENTS LIST 11 3 . EMC EMISSION TEST 13 3.1 CONDUCTED EMISSION MEASUREMENT 13 3.1.1 POWER LINE CONDUCTED EMISSION 13 3.1.2 TEST PROCEDURE 14 3.1.3 TEST SETUP 14 3.1.4 EUT OPERATING CONDITIONS 14 3.1.5 TEST RESULTS 15 3.2 RADIATED EMISSION MEASUREMENT 17 3.2.1 LIMITS OF RADIATED EMISSION MEASUREMENT 17 3.2.2 TEST PROCEDURE 18 3.2.3 TEST SETUP 19 3.2.4 TEST RESULTS 20 4. BANDWIDTH TEST 23 4.1TEST PROCEDURE 23 4.2TEST SETUP 23 4.3 TEST RESULT 24 5. ANTENNA APPLICATION 25 5.1 Antenna Requirement 25 5.2 Result 25 Report No.: S22092303505001 Version.1.1 Page 4 of 25 1. TEST SUMMARY Test procedures according to the technical standards: EMC Emission Standard Test Item FCC Rules Limit Judgment Remark FCC part 15C:2018 ANSI C63.10:2013 Conducted Emission §15.207 Class B PASS Radiated Emission §15.209 Class B PASS ANTENNA APPLICATION §15.203 / PASS NOTE: (1) ’N/A’ denotes test is not applicable in this Test Report (2) For client’s request and manual description, the test will not be executed. Report No.: S22092303505001 Version.1.1 Page 5 of 25 1.1 FACILITIES AND ACCREDITATIONS All measurement facilities used to collect the measurement data are located at 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen 518126 P.R. China. The sites are constructed in conformance with the requirements of ANSI C63.7, ANSI C63.10 and CISPR Publication 22. 1.2 LABORATORY ACCREDITATIONS AND LISTINGS Site Description CNAS-Lab. : The Laboratory has been assessed and proved to be in compliance with CNAS-CL01:2006 (identical to ISO/IEC 17025:2005) The Certificate Registration Number is L5516. IC-Registration : The Certificate Registration Number is 9270A-1. FCC- Accredited : Test Firm Registration Number: 463705. Designation Number: CN1184 A2LA-Lab. : The Certificate Registration Number is 4298.01 This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated 8 January 2009). Name of Firm : Shenzhen NTEK Testing Technology Co., Ltd. Site Location : 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen 518126 P.R. China. 1.3 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. A. Conducted Measurement : Test Site Method Measurement Frequency Range U,(dB) NOTE NTEKC01 ANSI 150 KHz ~ 30MHz 2.8 B. Radiated Measurement : Test Site Method Measurement Frequency Range U,(dB) NOTE NTEKA01 ANSI 30MHz ~ 1000MHz 2.64 1GHz ~6GHz 2.4 6GHz ~18GHz 2.52 Report No.: S22092303505001 Version.1.1 Page 6 of 25 Revision History Report No. Version Description Issued Date S22092303505001 Rev.01 Initial issue of report Oct 10, 2022 Rep…

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Radiated Measurement Photos Radiated Measurement Photos AC Conducted Measurement Photos

Photos of test setup For Full load mode 0cm A Position For No load mode 0cm A Position For Full load mode 0cm B Position For No load mode 0cm B Position For Full load mode 0cm C Position For No load mode 0cm C Position For Full load mode 0cm D Position For No load mode 0cm D Position For Full load mode 0cm E Position For No load mode 0cm E Position For Full load mode 0cm F Position For No load mode 0cm F Position For Full load mode 15cm A Position For No load mode 15cm A Position For Full load mode 15cm B Position For No load mode 15cm B Position For Full load mode 15cm C Position For No load mode 15cm C Position For Full load mode 15cm D Position For No load mode 15cm D Position For Full load mode 15cm E Position For No load mode 15cm E Position For Full load mode 15cm F Position For No load mode 15cm F Position For Full load mode 0cm A Position For No load mode 0cm A Position For Full load mode 0cm B Position For No load mode 0cm B Position For Full load mode 0cm C Position For No load mode 0cm C Position For Full load mode 0cm D Position For No load mode 0cm D Position For Full load mode 0cm E Position For No load mode 0cm E Position For Full load mode 0cm F Position For No load mode 0cm F Position For Full load mode 15cm A Position For No load mode 15cm A Position For Full load mode 15cm B Position For No load mode 15cm B Position For Full load mode 15cm C Position For No load mode 15cm C Position For Full load mode 15cm D Position For No load mode 15cm D Position For Full load mode 15cm E Position For No load mode 15cm E Position For Full load mode 15cm F Position For No load mode 15cm F Position For Full load mode 0cm A Position For No load mode 0cm A Position For Full load mode 0cm B Position For No load mode 0cm B Position For Full load mode 0cm C Position For No load mode 0cm C Position For Full load mode 0cm D Position For No load mode 0cm D Position For Full load mode 0cm E Position For No load mode 0cm E Position For Full load mode 0cm F Position For No load mode 0cm F Position For Full load mode 15cm A Position For No load mode 15cm A Position For Full load mode 15cm B Position For No load mode 15cm B Position For Full load mode 15cm C Position For No load mode 15cm C Position For Full load mode 15cm D Position For No load mode 15cm D Position For Full load mode 15cm E Position For No load mode 15cm E Position For Full load mode 15cm F Position For No load mode 15cm F Position For Full load mode 0cm A Position For No load mode 0cm A Position For Full load mode 0cm B Position For No load mode 0cm B Position For Full load mode 0cm C Position For No load mode 0cm C Position For Full load mode 0cm D Position For No load mode 0cm D Position For Full load mode 0cm E Position For No load mode 0cm E Position For Full load mode 0cm F Position For No load mode 0cm F Position For Full load mode 15cm A Position For No load mode 15cm A Position For Full load mode 15cm B Position For No load mode 15cm B Position For Full load mode 15cm C Position For No load mode 15cm C Position For Full load mode 15cm D Position For No load mode 15cm D Position For Full load mode 15cm E Position For No load mode 15cm E Position For Full load mode 15cm F Position For No load mode 15cm F Position