2A9G7WTM1C10Wireless Power Transmitter

EJEK Technology SPECIFICATION SPEC. NO.：：：： REV： 1.0 DATE：：：： 2022.11.22 PRODUCT NAME：：：： WTM1C10 APPROVED CHECKED PREPARED DCC ISSUE NAME W T M 1 C 1 0 Datasheet EJEK Technology Co., Ltd. Proprietary & Confidential Information 2 EJEK WTM1C10 Wireless Power Transmitter Module Specification W T M 1 C 1 0 Datasheet EJEK Technology Co., Ltd. Proprietary & Confidential Information 3 Revision History Date Revision Content Revised By Version 2022/11/22 - Preliminary Eric 1.0 EJEK Technology Co., Ltd. Proprietary & Confidential Information W T M 1 C 1 0 Datasheet 4 TABLE OF CONTENTS 1 SCOPE ................................................................................................................... 4 1.1 GENERAL DESCRIPTION ............................................................................................................................................. 4 2 ELECTRICAL SPECIFICATION ....................................................................................... 5 2.1 DESIGN STANDARDS ......................................................................................................................... 5 2.2 INPUT REQUIREMENT ................................................................................................................. 5 2.3 OUTPUT REQUIREMENT ................................................................................................................ 5 2.4 NO LOAD CONSUMPTION ........................................................................................................... 5 2.5 EFFICIENCY ..................................................................................................................................... 5 2.6 FREQUENCY ................................................................................................................................. 6 2.7 INTERFACE SURFACE ........................................................................................................................... 7 2.7.1 Distance ........................................................................................................................................... 7 2.7.2 Without metal .................................................................................................................................. 7 2.8 LED INDICATE ....................................................................................................................................... 7 3 ENVIRONMENTAL SPECIFICATION ............................................................................8 3.1 COOLING ........................................................................................................................................ 8 3.2 TEMPERATURE ..................................................................................................................................... 8 3.3 HUMIDITY ....................................................................................................................................... 8 3.4 CALCULATED MEAN TIME BETWEEN FAILURES (MTBF) ................................................................ 8 3.5 WEIGHT .......................................................................................................................................... 8 4 MECHANICAL ............................................................................................................9 EJEK Technology Co., Ltd. Proprietary & Confidential Information W T M 1 C 1 0 Datasheet 5 1 SCOPE This document describes the basic electrical characteristics of WTM1C10 wireless power transmitter module. WTM1C10 is designed based on the technology of electromagnetic induction. It is a widely used module for many different applications. This is a new concept of charging devices without any wires and cords. 1.1 GENERAL DESCRIPTION WTM1C10 is a Wireless Power Consortium (WPC) Qi 1.2.4 compatible wireless power transmitter module. This transmitter module is Qi certified and can function with devices compatible to Qi standard. This excellent and highly integrated transmitter module is using magnetic induction process technology with stable performance and high reliability. This specification defines the performance characteristics ( include electrical function, EMC, safety, and product test requirements and so on) of a internal signal coil wireless charger (transmitter), which provide configurable charging mode to support WPC Qi 1.2.4 standard. EJEK Technology Co., Ltd. Proprietary & Confidential Information W T M 1 C 1 0 Datasheet 6 Load Efficiency Receiver 5W 75% IDT P9225 2 ELECTRICAL SPECIFICATION 2.1 DESIGN STANDARDS WTM1C10 with follow WPC QI Wireless Power Transfer System Power Class 0 Specification Power Transmitter A11. 2.2 INPUT REQUIREMENT The power supply must operate on a DC input voltage 9V with ±5% tolerance. Input current should lower than 2A. Input Range Minimum Nominal Maximum Un it 9 V 8.5 5 9 9.4 5 Vd c Table 1 - Input Voltage Range 2.3 OUTPUT REQUIREMENT The wireless charger can support WPC qi V1.2.4 BPP 5W , downward support BPP 5W, Apple 7.5W, Samsung 10W Fast Charge. 2.4 NO LOAD CONSUMPTION Input Range Minimum Nominal Maximum Uni t 5V 4.75 5 5.25 Vdc 9V 8.55 9 9.45 Vdc Table 2 - No load consumption 2.5 EFFICIENCY The efficiency shall be >75% at 5V maximum loading, 5V/1A efficiency measurements are performed at coil center with 2mm vertical distance between TX coil and RX coil. Table 3 - Efficiency 2.6 FREQUENCY The Operating Frequency is 113~205 kHz EJEK Technology Co., Ltd. Proprietary & Confidential Information W T M 1 C 1 0 Datasheet 7 2.7 INTERFACE SURFACE 2.7.1 DISTANCE Distance from the Primary Coil to the Interface Surface of the Base Station is dz = 2.0 mm across the top face of the Primary Coil. 2.7.2 WITHOUT METAL The Interface Surface of the Base Station extends at least 5.0 mm beyond the outer dimensions of the Primary Coil. 2.8 LED INDICATE LED*/Color Standby Transfer Charge Complete Fault Condition LED1-Gree…

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EJEK TECHNOLOGY CO.,LTD The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 6/4/2023 U.S. Agent Designation EJEK TECHNOLOGY CO.,LTD acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2A9G7WTM1C10): Name and company of U.S. agent: Tim Payne, FCC US Agent, LLC P hysical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] F CC US Agent, LLC ack nowledges their obligation to accept service of process on behalf of EJEK TECHNOLOGY CO.,LTD. EJEK TECHNOLOGY CO.,LTD. with the FRN 0033117540 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature Antony Fu Manager EJEK TECHNOLOGY CO.,LTD Signature Tim Payne Manager FCC US Agent, LLC 48_[model] US_Agent_2.911(d)(7)-U, V04

Page 1 of 3 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. EUT Constructional Details External EUT Photo Photo 1 Photo 2 Page 2 of 3 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 3 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 ---The End---

Label IC: 29756-WTM1C10 FCC ID: 2A9G7WTM1C10 HVIN: WTM1C10

Page 1 of 3 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. EUT Constructional Details Internal EUT Photo Photo 1 Photo 2 Page 2 of 3 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 3 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 ------End------ Antenna

Page 1 of 6 FCC ID: 2A9G7WTM1C10 RF Exposure Evaluation 1 Measuring Standard KDB 680106 RF Exposure Wireless Charging Apps v03r01 2 Requirements According to the item 5 of KDB 680106 v03r01: Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF exposure evaluation. (1) Power transfer frequency is less than 1MHz. (2) Output power from each primary coil is less than or equal to 15 watts. (3) The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. (4) Client device is placed directly in contact with the transmitter. (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). (6) The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device, and 20 cm away from the surface from all coils that by design can simultaneously transmit, and while those coils are simultaneously energized, are demonstrated to be less than 50% of the applicable MPE limit. Remark: Meet all the above requirements. 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) Page 2 of 6 FCC ID: 2A9G7WTM1C10 3 Test Setup 4 Test Procedure 1) The RF exposure test was performed in anechoic chamber. 2) The measurement probe was placed at test distance (15 cm from all sides and 20 cm from the top) which is between the edge of the charger and the geometric center of probe. 3) The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed. 4) The EUT was measured according to the dictates of KDB 680106 D01v03. Remark：The EUT’s test position A, B, C, D and E is valid for the E and H field measurements. 5 Description of the test mode Equipment under test was operated during the measurement under the following conditions: Test Mode Description Mode 1 AC Adapter+EUT+ Mobile phone (10W) Record Mode 2 AC Adapter+EUT+ Mobile phone (7.5W) Pre-tested Mode 3 AC Adapter+EUT+ Mobile phone (5W) Pre-tested Mode 4 Test the EUT in idle mode. Pre-tested Note: All test modes were pre-tested, but we only recorded the worst case in this report. Page 3 of 6 FCC ID: 2A9G7WTM1C10 6 Peripheral List 7 Test Instruments list Test Equipment Manufacturer Model No. SN. Cal.Date (mm-dd-yy) Cal.Due date (mm-dd-yy) Electric and Magnetic Field Analyzer Narda EHP-200A 180ZX10505 22.06.2022 21.06.2024 8 Test Result E-Filed Strength at 15 cm from the edges surrounding the EUT (V/m) Unit Test mode Test Position A Test Position B Test Position C Test Position D Test Position E 50% Limits (V/m) Limits (V/m) V/m TM1 90.25 102.26 95.41 94.25 90.36 307 614 H-Filed Strength at 15 cm from the edges surrounding the EUT (A/m) Unit Test mode Test Position A Test Position B Test Position C Test Position D Test Position E 50% Limits (A/m) Limits (A/m) A/m TM1 0.224 0.233 0.211 0.242 0.205 0.815 1.63 H-Filed Strength at 20 cm from the top of the EUT (A/m) Unit Test mode Test Position E 50% Limits (A/m) Limits (A/m) A/m TM1 0.200 0.815 1.63 Note: All test modes were pre-tested, but we only recorded the worst case in this report. N o. Equipment Manufacturer Model No. Serial No. Power cord signal cable 1 Adapter NOKIA AD-10WU N/A N/A N/A 2 Mobile lphone Apple Iphone 13 N/A N/A N/A Page 4 of 6 FCC ID: 2A9G7WTM1C10 9 Test Setup photo Test Position A-15cm from the edge of EUT to the geometric center of the probe Test Position B-15cm from the edge of EUT to the geometric center of the probe Page 5 of 6 FCC ID: 2A9G7WTM1C10 Test Position C-15cm from the edge of EUT to the geometric center of the probe Test Position D-15cm from the edge of EUT to the geometric center of the probe Page 6 of 6 FCC ID: 2A9G7WTM1C10 Test Position E-15cm from the edge of EUT to the geometric center of the probe Test Position F-20cm from the edge of EUT to the geometric center of the probe ***End of report***

Page 1 of 23 Report No.: AIT23050502FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling Third Street, Jitigang, Huangjiang,Dongguan, Guangdong, China. FCC TEST REPORT Client Information: Applicant: EJEK TECHNOLOGY CO.,LTD. Applicant add.: No. 106, Zhongshan 3rd Rd., Daya Dist., Taichung City 428, Taiwan (R.O.C.) Manufacturer: GUANGZHOU GUI GUAN POWER PLUS TECH CORP. Manufacturer add.: C7 Building 101,Ruiming Industrial Park,44Hexiu West Road,Heping Community,Fuhai Street,Shenzhen,GD China Product Information: Product Name: Wireless Power Transmitter Model No.: WTM1C10 Brand Name: EJEK FCC ID: 2A9G7WTM1C10 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: May 05, 2023 Date of Test: May 05~ May 22, 2023 Date of Issue: May 23, 2023 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited 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. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 23 Report No.: AIT23050502FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling Third Street, Jitigang, Huangjiang,Dongguan, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS ........................................................................................................................................................... 2 2 TEST SUMMARY .................................................................................................................................................. 5 2.1 STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................. 5 2.2 MEASUREMENT UNCERTAINTY ............................................................................................................................ 5 3 TEST FACILITY ..................................................................................................................................................... 6 3.1 DEVIATION FROM STANDARD ............................................................................................................................... 6 3.2 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................................... 6 3.3 TEST LOCATION ................................................................................................................................................. 6 4 GENERAL INFORMATION ................................................................................................................................... 7 4.1 EUT TEST MODE ............................................................................................................................................... 8 4.2 DESCRIPTION OF TEST SETUP............................................................................................................................. 8 4.3 PERIPHERAL LIST ............................................................................................................................................... 9 4.4 EUT PERIPHERAL LIST ....................................................................................................................................... 9 5 EQUIPMENTS LIST FOR ALL TEST ITEMS ..................................................................................................... 10 6 CONDUCTED EMISSION TEST ......................................................................................................................... 11 6.1 CONDUCTED EMISSION MEASUREMENT ................................................................................................ 11 6.2 POWER LINE CONDUCTED EMISSION LIMITS ........................................................................................... 11 6.3 TEST PROCEDURE ...................................................................................................................................... 11 6.4 DEVIATION FROM TEST STANDARD ......................................................................................................... 11 6.5 TEST SETUP ................................................................................................................................................. 12 6.6 EUT OPERATING CONDITIONS .................................................................................................................. 12 6.7 TEST RESULT .................................................................................................................................................. 13 7 RADIATED EMISSION MEASUREMENT .......................................................................................................... 15 7.1 RADIATED EMISSION LIMITS .............................................................................................................................. 15 7.2 ANECHOIC CHAMBER TEST SETUP DIAGRAM ..................................................................................................... 16 7.3 TEST PROCEDURE ........................................................................................................................................... 16 7.4 DEVIATION FROM TEST STANDARD ......................................................................................................... 16 7.5 TEST …

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EJEK TECHNOLOGY CO.,LTD. No. 106, Zhongshan 3rd Rd., Daya Dist., Taichung City 428, Taiwan (R.O .C.) 1. Antenna Description: Antenna type: loop coil Antenna Manufacturer: EJEK TECHNOLOGY CO.,LTD. Model: WTM1C10 antenna Antenna Gain(Peak): 0 dBi Frequency range:113kHz~205kHz 2. Antenna Photo: 20.5±0.5C38.5±1B43.8±0.25A 35±2K3±2F5.0±0.3E

Page 1 of 2 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission Page 2 of 2 FCC ID: 2A9G7WTM1C10 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Conducted Emission ------End------