FCC ID: 2AC3UWTM1B15 Wireless Charger

MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET ECS Purpose:

This specification document represents the design criteria of the product identified herein, for the approval of the designated recipient (customer). Prior to production and delivery of this product by CWT, the customer shall endorse its approval of this specification document, upon review of the detailed information provided herein. The customers endorsement (approval) verifies that the product description is determined to be fully compliant to the customers design requirements. If one or more samples are included with this specification, the customers endorsement (approval) further verifies that the product has been tested by the customer, for which the product satisfactorily meets all aesthetic, mechanical, electrical, and operating requirements for its intended usage with the customers suitable indoor equipment or applications. To Approve: An authorized employee or agent of the customer shall endorse approval of this specification. Please sign & date this cover-page, and initial each subsequent page in the lower left corner to signify all sections have been read and found to be acceptable. A completed, original copy (signed, dated, initialed) of this specification must be returned to CWT to record the approved customer design. The customer shall keep one or more copies for its records. Upon receipt, CWT shall manufacture the product to the approved customer design. If design revisions are otherwise required, a revised specification and/or modified samples shall be provided by CWT for the endorsement (approval) by the customer. Approved Issued Checked Planned YC Leo Chen Customer Signed Channel Well Technology Co., Ltd. ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 1 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET SPEC. Revision History Change Information Current version Advance Date 20200720 Revision No. 0.1 Previous version ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 2 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET TABLE OF CONTENTS 1 SCOPE .......................................................................................................................................... 4 1.1 GENERAL DESCRIPTION ................................................................................................... 4 2 ELECTRICAL SPECIFICATION .............................................................................................. 4 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.7.1 2.7.2 DESIGN STANDARDS ................................................................................................................ 4 INPUT REQUIREMENT ............................................................................................................... 5 OUTPUT REQUIREMENT ............................................................................................................ 5 NO LOAD CONSUMPTION .......................................................................................................... 5 EFFICIENCY ............................................................................................................................. 5 FREQUENCY ............................................................................................................................ 5 INTERFACE SURFACE ............................................................................................................... 6 Distance ......................................................................................................................... 6 WITHOUT metal ............................................................................................................ 6 LED INDICATE .......................................................................................................................... 6 3 ENVIRONMENTAL SPECIFICATION ..................................................................................... 7 3.1 COOLING ................................................................................................................................ 7 3.2 TEMPERATURE ........................................................................................................................ 7 3.3 HUMIDITY ............................................................................................................................... 7 CALCULATED MEAN TIME BETWEEN FAILURES (MTBF) .............................................................. 7 3.4 3.5 WEIGHT .................................................................................................................................. 7 4 REGULATORY COMPLIANCE ................................................................................................ 7 4.1 4.2 EMC SPECIFICATION ............................................................................................................... 7 FCC requirements ........................................................................................................... 7 CISPR requirements ........................................................................................................ 8 AGENCIES CERTIFICATIONS ...................................................................................................... 8 Product safety compliance .............................................................................................. 8 4.1.1 4.1.2 4.2.1 5 MECHANICAL ........................................................................................................................... 8 6 CABLE(BOARD TO CONNECTOR) ........................................................................................ 9 7 COIL(SPEC) ................................................................................................................................ 9 ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 3 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET 1 SCOPE This document describes the basic electrical characteristics of WTM1B15 wireless power transmitter module. WTM1B15 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 WTM1B15 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. 2 ELECTRICAL SPECIFICATION 2.1 DESIGN STANDARDS Transmitter MP-A11. WTM1B15 with follow WPC QI Wireless Power Transfer System Power Class 0 Specification Power

. ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 4 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET 2.2 INPUT REQUIREMENT The power supply must operate on a DC input voltage 19V with 5% tolerance. Input current should lower than 1A. Input Range Minimum Nominal Maximum 18.05 19 19.95 Unit Vdc Table 1 - Input Voltage Range 2.3 OUTPUT REQUIREMENT The wireless charger can support WPC qi V1.2.4 EPP 15W , downward support BPP 5W, Apple 7.5W, Samsung Fast Charge. The following specifications are defined with RX- WRM1A15 12V/1.25A 15W Output. 2.4 NO LOAD CONSUMPTION Load No Receiver Power consumption

< 0.5W Table 2 - No load consumption 2.5 EFFICIENCY The efficiency shall be 75% at 19V maximum loading, 12V/1.25A efficiency measurements are performed at coil center with 2mm vertical distance between TX coil and RX IDT P9221 COIL. Vin 19V Load 15W Efficiency 75%

Table 3 - Efficiency Receiver IDT P9221 2.6 FREQUENCY The Operating Frequency is 120~130 kHz ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 5 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET 2.7 INTERFACE SURFACE 2.7.1 DISTANCE the top face of the Primary Coil. Distance from the Primary Coil to the Interface Surface of the Base Station is dz = 2.0 mm across 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-Amber OFF OFF OFF FOD

(Foreign Object Detection) Slow flash

(2 second period) for 60 seconds Overheat Solid ON for 60 seconds Fast Flash (1 second period) for 5 cycles. LED2-Blue OFF OFF OFF OFF BREATH (2-3 sec period) for 60 seconds, then shut OFF LED. BREATH (1 sec period) for 3 cycles. Table 4 - LED indicate ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 6 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET 3 ENVIRONMENTAL SPECIFICATION 3.1 COOLING Natural Air Cooling 3.2 TEMPERATURE Storage: -20 to 85 Operation within specification: -10 to 50 degrees C. Short Duration Storage Temperature Limits (ie. Shipping) -40 to +85 3.3 HUMIDITY Operation: 10% to 85% relative humidity, non-condensation. Storage: 10% to 85% relative humidity, including condensation. 3.4 CALCULATED MEAN TIME BETWEEN FAILURES (MTBF) Power Bank shall have a calculated MTBF of greater than 400,000 hours, calculated utilizing MIL-HDBK-217F with the following assumptions:

Output load: Rated full load Ambient temperature: 25 degrees C 3.5 WEIGHT

<100g 4 REGULATORY COMPLIANCE 4.1 EMC SPECIFICATION 4.1.1 FCC REQUIREMENTS WTM1B15 shall comply with the radiated and conducted emission requirements for FCC Part 15 Class B. ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 7 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET WTM1B15 shall comply with the radiated and conducted emission requirements for CISPR 22 Class B. The WTM1B15 is designed to meet Comply to WPC QI V1.2.4 EPP compliance testing, and will also be 4.1.2 CISPR REQUIREMENTS 4.2 AGENCIES CERTIFICATIONS tested by the relevant verification unit 4.2.1 PRODUCT SAFETY COMPLIANCE Certification FCC(option) NCC(option) Certification CE(option) BSMI(option) WPC QI EPP(option) Table 5 - safety compliance 5 MECHANICAL Refer to drawing ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 8 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET 6 CABLE(BOARD TO CONNECTOR) 7 COIL(SPEC) a.) OPERATING TEMPERATURE RANGE: -25~+85 b.) STORAGE TEMPERATURE RANGE: -40~+85 ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 9 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET NCC LABEL OF THE END PRODUCT:

The final end product must be labeled in a visible area with the following Contains TX FCC ID: 2AC3UWTM1B15.

,: Intel :

ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 10 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET Additional testing, Part 15 Subpart B disclaimer The modular transmitter is only FCC authorized for the specific rule parts (i.e., FCC transmitter rules) listed on the grant, and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. Applicable rule part The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. This module has been tested and found to comply with the following requirements for Modular Approval. Part 15.209 Radiated emission limits; general requirements. Part 15.215 Additional provisions to the general radiated emission limitations. ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 11 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET This device uses various test mode programs for test set up which operate separate from production firmware. Host integrators should contact the grantee for assistance with test modes needed for module/host compliance Test Modes test requirements. Limited Module This modular is a limited single modular as without its own RF shielding. This module must be evaluated when being installed in hosts that to ensure compliance of rule Part 15 B and C; host manufacturer have to consult with module manufacturer for the module limiting conditions when integrate the module in the host. Module manufacturer should reviews detailed test data or host designs prior to giving the host manufacturer approval. Antenna A permanently attached coil antenna is approved for use with this module. FCC RF Radiation Exposure Statement:

1. This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 2. This equipment complies with RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 15 cm between the radiator and your body. LABEL OF THE END PRODUCT:

The final end product must be labeled in a visible area with the following Contains TX FCC ID: 2AC3UWTM1B15.

,: Intel :

ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 12 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET

() 109 10 14

() Product Name of Module:

() NCC ID of Module:

Item Type of Host Intel wifi 6 AX201 D2W

() Brand of Module:

Intel

() Model Number/Name of Module:

AX201 D2W Brand of Host Model Number/Name of Host

Produce Marking Name of Host Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel(R) Client Systems Intel Intel Intel Intel Intel Intel Intel Intel Intel NUC11PAQ NUC11PAQi7 NUC11PAH NUC11PAHi7 NUC11PAK NUC11PAKi7 NUC11PAQ NUC11PAQi5 NUC11PAH NUC11PAHi5 NUC11PAK NUC11PAKi5 NUC11PAQ NUC11PAQi3 NUC11PAH NUC11PAHi3 NUC11PAK NUC11PAKi3

() 1 2 3 4 5 6 7 8 9 ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 13 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 14 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 15 of 16 MODEL NOWTM1B15 Transmitter of WPC QI EPP ENGINEERING SPECIFICATION SHEET ISSUE DATE: 2020-2-19 Revision No.: 0.1 Specification No: WTM1B15 Page: 16 of 16

0010 FCC ID : 2AC3UWTM1B15 OOM eerste ce & FE We iB CWT Model:WTM1B15 -

Manufacturer:Channel Well Technology Co., Ltd SIZE:79.5*40.0mm(+0/-0.3mm)

Date: 2020/7/31 TO:

Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID : 2AC3UWTM1B15 To whom it may concern:

We, the undersigned, hereby authorize SGS Taiwan Ltd. to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Channel Well Technology Co., Ltd. This authorization is valid until further written notice from the applicant. Name (Printed): Zhonghua Peng Signature:

On behalf of Company: Channel Well Technology Co., Ltd. Telephone: +86 574 8687 9335 Extension 8902 Title: 20200731

a) b) c) d) e) f) g) SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration No.222, Sec. 2, Nankan Rd., Lujhu Township, Taoyuan County 338, Taiwan, R. O. C Applicant Legal Business Name Channel Well Technology Co., Ltd. 2AC3U 2AC3UWTM1B15 Authorized Contact Name Zhonghua Peng Address Grantee Code FCC ID Contact Email Contact Phone penghua@cwtnb.com.cn

+86 574 8687 9335 Extension : 8902 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare;

in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for:

labeling the equipment with the exact FCC ID as specified in this application,

(1)

(2) compliance statement labeling pursuant to the applicable rules,

(3) compliance of the equipment with the applicable technical rules, if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCCs technical requirements. in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements.

(1)

(2)

(3) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. the Applicant shall, upon request by SGS, at the Applicants expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a party for these purposes. the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature:

Date:2020/7/31 Print Name:

Title:

*NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database Zhonghua Peng Applicant Declaration Rev:0.0

Confidentiality Request regarding application for FCC ID 2AC3UWTM1B15 Address : No.222, Sec. 2, Nankan Rd., Lujhu Township, Taoyuan County 338, Taiwan, R. O. C SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States To:

From: Company Name : Channel Well Technology Co., Ltd. Regarding:

LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commissions rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. Delete any document that is NOT included in your application External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Printed Name (on file with the FCC associated with the Grantee Code) : Zhonghua Peng Title : Engineer Company Name : Channel Well Technology Co., Ltd.

CHANNEL WELL TECHNOLOGY CO., LTD Cover Letter-Wireless Charger Approval Date: 10/29/2020 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding FCC ID: 2AC3UWTM1B15 To who it may concern:

The device with Wireless Power Transfer function is designed with features and specifications below, which meet requirements in KDB 680106 D01 section 5.2. KDB 680106 D01 Section 5.2 Requirements: Product Technical Result:

a) Power transfer frequency is less that 1 MHz 127kHz Specification The output power is equal to 15W. Only one single primary coils. Complied Complied Complied b) Output power from each primary coil is less than or equal to 15 Watts c) The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils d) Client device is placed in contact with the transmitter e) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). f) The aggregate leakage fields at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of MPE limit. Signature:

Name (Printed): Zhonghua Peng Title: Engineer On behalf of Company: Channel Well Technology Co., Ltd. The client device is placed directly in contact with the transmitter Mobile exposure conditions only. Complied Complied Please refer to the RF exposure report. Complied

CHANNEL WELL TECHNOLOGY CO., LTD Cover Letter-Modular Approval FCC ID: 2AC3UWTM1B15 Date: Aug. 13, 2020 Gentlemen:

Theres a Wireless Charger that would like to have your authorization as a modular approval. The specific product as below, Wireless Charger with its designed features and specified description, meets special requirements for Limit modular approval on FCC KDB996369 by cross-reference list below. Company:

Product Name:

Model Number:

FCC ID:

Channel Well Technology Co., Ltd. Wireless Charger WTM1B15 2AC3UWTM1B15 Requirement of FCC KDB996369 1. The modular transmitter must have its own RF shielding. 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over-modulation. ComplyY/N N There is no RF shielding for WPT . But there is mini PC case cover the module. Y The EUT has its buffered modulation. Please see the Schematic Diagram. 3. The modular transmitter must have its own power supply regulation. Y The EUT has its own power supply regulation, please see the Schematic Diagram. CHANNEL WELL TECHNOLOGY CO., LTD 4. The modular transmitter must comply with the antenna and transmission system requirements of Sections 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a unique antenna coupler

(at all connections between the module and the antenna, including the cable). The professional installation provision of Section 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. in a stand alone 5. The modular transmitter must be tested configuration, i.e., the module must not be inside another device during testing. 6. The modular transmitter must be labeled with its own FCC ID number, and, if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains Transmitter Module FCC ID: 2AC3UWTM1B15 or Contains FCC ID: 2AC3UWTM1B15 Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. 7. The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Y The EUT meets the FCC antenna requirements. The EUT is designed with permanently attached antenna. Please see the photo of EUT in the exhibition. N The module inside in the Mini PC and test with this Mini PC. Y Please see exhibition label sample for the FCC ID of this module. And also in the exhibition Users manual, there are instructions give to the OEM on how to label the end product. Y The EUT is compliant with all applicable FCC rules. Details instructions for maintaining compliance are given in the User Manual. CHANNEL WELL TECHNOLOGY CO., LTD Y The EUT complies with RF exposure requirement. 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance in accordance with Section 15.247(b)(4). Thank you. Sincerely, By:

Title:

On behalf of:

(Signature1) _ Zhonghua Peng __

(Print name) Channel Well Technology Co., Ltd.

(Company Name) Telephone: +86 574 8687 9335