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2A4MT-N3005Watch wireless charger

Shenzhen Zhenghaixin Technology Co., Ltd.

Application Details

Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz
Date of Grant
Aug 25, 2024
Application Purpose
Original Equipment
Date of Application
Aug 25, 2024
Equipment Note
Watch wireless charger
Frequency Range
0.30000000 - 0.35000000
Company
Shenzhen Zhenghaixin Technology Co., Ltd.
Country
China

Documents & Files

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Attestation Statements

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Cover Letter(s)

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ID Label/Location Info

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RF Exposure Info

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Test Report

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Shenzhen Zhenghaixin Technology Co., Ltd. Grantee code: 2A4MT FCC ID:2A4MT-N3005 FRN:0031988355 Contact Name: Shaolin Peng Address:Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China Telephone No:0755-27953337 Fax No:0755-27953337 Email: [email protected] i.[Shenzhen Zhenghaixin Technology Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. [Shenzhen Zhenghaixin Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [Shenzhen Zhenghaixin Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment . Date: 2024/08/20 Applicant’s Name:Shaolin Peng Title: Manager Signature 1 The Commission’sCovered Listis published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment.https://www.fcc.gov/supplychain/coveredlist

Attestation Statements

Shenzhen Zhenghaixin Technology Co., Ltd. Product Similarity Declaration Product name:Watch wireless charger Model name: N3005, N3006 FCC ID:2A4MT-N3005 We ( Shenzhen Zhenghaixin Technology Co., Ltd. ) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model number. Signature: Name:Shaolin Peng Title: Manager Place, date:Shanghai, 2024.08.20

Cover Letter(s)

C5266091_X8_Ed.1 1/1 Letter of Authorization Shenzhen Zhenghaixin Technology Co., Ltd. Company:Shenzhen Zhenghaixin Technology Co., Ltd. Address:Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China Product Name:Watch wireless charger Model Number: N3005, N3006 FCC Identifier:2A4MT-N3005 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name:Shaolin PengDate: 2024-08-20 Title:Manager Signature of applicant:

Cover Letter(s)

C5266091_X10_Ed.2 1/1 Shenzhen Zhenghaixin Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-08-20 Subject: Request for Confidentiality FCC ID: 2A4MT-N3005 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/LocationNoNo Attestation StatementNoNo External PhotosNo ☒ Block Diagram ☒☐ Schematics ☒☐ Test ReportNoNo Test Setup PhotosNo ☒ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐☐ RF Exposure InfoNoNo Operational Description ☒☐ Cover Letter(s)NoNo SDR Software / Security Info ☐ No NOTE 1: Long‐Term Confidentiality may be permitted under special conditions (SeeII. LONG‐TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short‐Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ___180___ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Nam e : Shaolin Peng Title: Manager

RF Exposure Info

MPE REPORT Watch wireless charger MODEL No.: N3005, N3006 FCC ID: 2A4MT-N3005 REPORT NO.:NCT24033538XE1-2 ISSUE DATE: Aug. 20, 2024 Prepared for Shenzhen Zhenghaixin Technology Co., Ltd. Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China Prepared by Shenzhen NCT Testing Technology Co., Ltd. A101&2F B2, Fuqiao 6th Area, Xintian Community, Fuhai Street, Baoan District, Shenzhen, People’s Republic of China TEL: 400-8868-419 FAX: 86-755-27790922 Report No.: NCT24033538XE1-2 Page 2 of 15 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn TABLE OF CONTENT Test Report DescriptionPage 1. SUMMARY OF TEST RESULT..................................................................................................... 4 2. GENERAL INFORMATION............................................................................................................ 5 2.1. DESCRIPTION OFDEVICE(EUT).................................................................................................................................5 2.2. T ESTSETUP................................................................................................................................................................. 6 2.3. D ESCRIPTION OFTESTFACILITY.................................................................................................................................7 2.4. M EASUREMENTUNCERTAINTY.................................................................................................................................... 7 3. MEASURING DEVICE AND TEST EQUIPMENT...................................................................... 8 3.1. FORMPE MEASUREMENT.......................................................................................................................................... 8 4. RF EXPOSURE................................................................................................................................9 4.1. MEASURINGSTANDARD...............................................................................................................................................9 4.2. R EQUIMENTS................................................................................................................................................................9 4.3. T EST CONFIGURATIO..................................................................................................................................................10 4.4. L IMITS......................................................................................................................................................................... 11 4.5. M EASURINGRESULTS................................................................................................................................................12 5. PHOTOGRAPHS OF TEST SETUP...........................................................................................15 Report No.: NCT24033538XE1-2 Page 3 of 15 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn TEST REPORT DESCRIPTION Applicant: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China Manufacturer: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China EUT: Watch wireless charger Model Name: N3005, N3006 Trademark: N/A Measurement Procedure Used: FCC Part 1(1.1310) and Part 2(2.1091) KDB 680106 D01 Wireless Power Transfer v04 The device described above is tested by Shenzhen NCT Testing Technology Co., Ltd. to determine the maximum emission levels emanating from the device and the severe levels of the device can endure and its performance criterion. The measurement results are contained in this test report and Shenzhen NCT Testing Technology Co., Ltd. is assumed full of responsibility for the accuracy and completeness of these measurements. Also, this report shows that the EUT (Equipment Under Test) is technically compliant with the FCC requirements. This report applies to above tested sample only and shall not be reproduced in part without written approval of Shenzhen NCT Testing Technology Co., Ltd. Test Engineer: Keven Wu / Engineer Technical Manager: Henry Wang / Manager Report No.: NCT24033538XE1-2 Page 4 of 15 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn 1. SUMMARY OF TEST RESULT EMISSION Description of Test ItemStandard & LimitsResults MPE FCC Part 1(1.1310) and Part 2(2.1091) KDB 680106 D01 Wireless Power Transfer v04 Pass Note: N/A is an abbreviation for Not Applicable. Report No.: NCT24033538XE1-2 Page 5 of 15 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn 2. GENERAL INFORMATION 2.1.Description of Device (EUT) EUT: Watch wireless charger Model Number: N3005, N3006 Model different: All the same except the model number. Power Rating: Input: DC 5V/1A Output: 3W(Max) Operation Frequency for WPT : 300-350kHz Modulation: MSK Antenna Type:: Coil Antenna Date of Received : Aug. 13, 2024 Date of Test: Aug. 13, 2024 toAug. 20, 2024 Report No.: NCT24033538XE1-2 Page 6 of 15 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn 2.2.Test Setup Report No.: NCT24033538XE1-2 Page 7 of 15 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn 2.3.Description of Test Facility 2.4.Measurement Uncertainty ParameterUncertainty RF output power, conducted±1.0dB Power Spectral Density, conducted±2.2dB Radio Frequency± 1 x 10 -6 Bandwidth± 1.5 x 10 -6 Time±2% Duty Cycle±2% Temperature±1°C Humidity±5% DC and low frequency voltages±3% Conducted Emissions (150kHz~30MHz) 3.64dB Radiated Emission(30MHz~1GHz)  5.03dB Radiated Emission(1GHz~25GHz)  4.74dB Electric Field Emissions 0.08V/m Magnetic Field Emissions  0.02A/m uT  0.01 S…

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Test Report

深圳市深联宇电子有限公司 Shenzhen Shenlian Yu Electronics Co., LTD 承认书 Customer name: 正海欣 Customer Part Number: 501LX05U40003 Product name: Watch charging coil Product Part number : SLY 25P-5R4-L09 客户承认 承认后请签回 , 如下订单后未签回,视作默认,谢谢您的合作 发行日期 文件编号 编制 审核 批准 2024-07-09 SLY24016 陈美玲 陈展良 赖 伟 深圳市深联宇电子有限公司 文件编号 SLY24016 发行日期 2024-07-09 版次 A 生效日期 2024-07-09 HD-系列 样品承认书 修订次数 0 页 码 1 /2 版本 更 改 履 历 更改人 更改时间 A 新发行:2024年07月09日 庞芳芳 2024-07-09 B C 深圳市深联宇电子有限公司 文件编号 SLY24016 发行日期 2024-07-09 版次 A 生效日期 2024-07-09 HD-系列 样品承认书 修订次数 0 页 码 2 /2 1.Size: (Unit:mm) 2.电气特性: 电感量L 5.4uH+5% 测试条件 100KHz/1V 测试仪器: 数字电桥TH2817C+ 直流电阻 (DCR) 110mΩ Max 测试条件 100KHz/1V Q值 ≥28 测试条件 100KHz/1V 3.Material: 4.电性图: (1)Magnetic disc: rubber magnetic tank D25+0.2mm soft magnetic (10mm notch at the bottom of the large mouth of the magnetic tank) (2)Copper wire: 0.08*24 (3)way of winding: 逆时针11 圈 (Counterclockwise 11 turns)

Test Report

FCC PART 15 SUBPART C Watch wireless charger MODEL No.: N3005, N3006 FCC ID: 2A4MT-N3005 REPORT NO.:NCT24033538XE1-1 ISSUE DATE: Aug. 20, 2024 Preparedfor Shenzhen Zhenghaixin Technology Co., Ltd. Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'anDistrict, Shenzhen City, China Preparedby Shenzhen NCT Testing Technology Co., Ltd. A101&2F B2, Fuqiao 6th Area, Xintian Community, Fuhai Street, Baoan District, Shenzhen, People’s Republic of China TEL: 400-8868-419 FAX: 86-755-27790922 Report No.: NCT24033538XE1-1 Page 2 of 22 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn TABLE OF CONTENT Test Report DescriptionPage 1. SUMMARY OF TEST RESULTS............................................................................................................................5 2. GENERAL INFORMATION....................................................................................................................................6 2.1. Description of Device (EUT)............................................................................................................................ 6 2.2. Description of Support Units............................................................................................................................ 6 2.3. Independent Operation Modes........................................................................................................................ 7 2.4. Test Mode........................................................................................................................................................ 7 2.5. Description of Test Facility............................................................................................................................... 7 2.6. Measurement Uncertainty................................................................................................................................8 3. MEASURING DEVICE AND TEST EQUIPMENT.................................................................................................. 9 4. 20DB BANDWIDTH............................................................................................................................................. 11 4.1. Test Procedure...............................................................................................................................................11 4.2. Test Results................................................................................................................................................... 11 5. POWER LINE CONDUCTED EMISSION MEASUREMENT............................................................................... 12 5.1. Block Diagram of Test Setup..........................................................................................................................12 5.2. Limits............................................................................................................................................................. 12 5.3. Test Procedure...............................................................................................................................................12 5.4. Measuring Results.........................................................................................................................................13 6. RADIATED EMISSION TEST...............................................................................................................................16 6.1. Measurement Procedure............................................................................................................................... 16 6.2. Test SET-UP (Block Diagram of Configuration)............................................................................................. 16 6.3. Radiated Emission Limit................................................................................................................................ 17 6.4. Measurement Result......................................................................................................................................19 7. TEST PHOTOGRAPHS AND EUT PHOTOGRAPHS..........................................................................................22 Report No.: NCT24033538XE1-1 Page 3 of 22 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn TEST REPORT DESCRIPTION Applicant: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China Manufacturer: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Building 1, Room 201, 101, No. 28, Langfeng Road, Tangxia Yong Community, Yanluo Street, Bao'an District, Shenzhen City, China EUT: Watch wireless charger Model Name: N3005, N3006 Trademark: N/A Measurement Procedure Used: APPLICABLE STANDARDS STANDARDTEST RESULT FCC47CFRPart15,SubpartC PASS The above equipment was tested by Shenzhen NCT Testing Technology Co., Ltd.The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10 (2013) and the energy emitted by the sample EUT tested as described in this report is in compliance with conducted and radiated emission limits of FCC Rules Part 15C The test results of this report relate only tothe tested sample identified in this report. Test Engineer: Keven Wu / Engineer Technical Manager: Henry Wang / Manager Report No.: NCT24033538XE1-1 Page 4 of 22 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn Modified Information VersionReport No.Revision DataSummary Ver.1.0NCT24033538XE1-1Aug. 20, 2024Original Version Report No.: NCT24033538XE1-1 Page 5 of 22 Hotline: 400-8868-419Fax: 86-755-27790922http://www.ncttesting.cn 1. SUMMARY OF TEST RESULTS Test ItemSection in CFR 47Result Antenna requirement15.203Pass AC Power Line Conducted Emission 15.207Pass Spurio…

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Contact Information

Applicant

Shaolin Peng(Manager)
[email protected]0755-27953337Fax: 0755-27953337

Technical Contact

Shenzhen NCT Testing Technology Co., Ltd.Henry Wang
[email protected]0755-27790922

Shenzhen · China

Non-Technical Contact

Shenzhen NCT Testing Technology Co., Ltd.Henry Wang
[email protected]0755-27790922

Test Firm

SHENZHEN NCT TESTING TECHNOLOGY CO., LTD.Henry Wang
[email protected]0755-27790922

Technical Specifications

#Rule PartsFrequency RangePower Output
115C0.3 MHz - 0.35 MHz-
Confidentiality
Long Term
Grant Notes
The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance.

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