2AIY7CD-10863 in 1 Wireless Charging Pad

Shenzhen Uniwins Technology Co., Limited Date: Dec. 15, 2020 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AIY7CD-1086 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Schematics Block Diagram Operational Description Schematics.pdf Block Diagram.pdf Operational Description.pdf 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. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Shenzhen Uniwins Technology Co., Limited Signature Sandy Wu / Manager Typed name and Title

Shenzhen Uniwins Technology Co., Limited Date: 12/23/2020 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD To Whom It May Concern: We, Shenzhen Uniwins Technology Co., Limited, state that our device, FCC ID: 2AIY7CD-1086, has a non-removable rear cover. The label will be placed on the rear cover. And the label will be visible to the end users when they purchase the product. The back cover can not be moved away, so the FCC ID label has to be placed on the surface of product. Sincerely, Signature [Sandy Wu (Name)] [Manager (Title)] [Shenzhen Uniwins Technology Co., Limited (Company name)]

Shenzhen Uniwins Technology Co., Limited FCC ID: 2AIY7CD-1086 POWER OF ATTORNEY Date: Dec. 15, 2020 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf shall have the same effect as acts of our own. This authorization expires on Dec. 14, 2021. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Shenzhen Uniwins Technology Co., Limited are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Shenzhen Uniwins Technology Co., Limited Signature Sandy Wu / Manager Typed name and Title

Appendix-CD-1086-Photos Page 3 of 6 EUT – External View Model CD-1086 FCC ID: 2AIY7CD-1086 Appendix-CD-1086-Photos Page 4 of 6

Label Sample and Location Model CD-1086 46.5 * 25.5 mm

Appendix-CD-1086-Photos Page 5 of 6 EUT – Internal View Model CD-1086 FCC ID: 2AIY7CD-1086 Ant. 2 Ant. 1 Appendix-CD-1086-Photos Page 6 of 6 ======End======

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 11 TEST REPORT Reference No. .................... : WTK20S12095841W002 FCC ID ................................ : 2AIY7CD-1086 Applicant ............................ : Shenzhen Uniwins Technology Co., Limited Address .............................. : 2-3/F., Bldg. B, Quanyuanfa Industrial Park, Guanlan Avenue, Guanlan Town, Longhua New District Shenzhen China Manufacturer .................... : Dongguan Uniwins Technology Co., Ltd Address .............................. : 4F., Bldg. D, Songhu Yungu Dalang Creative Industrial Park, 88 8 Yangxin Rd., Yang chong village, Dalang, Dongguan, China Product ............................... : 3-in-1 Wireless charging pad Model(s). ............................ : CD-1086 Standards........................... : FCC CFR47 Part 1.1307 FCC CFR47 Part 1.1310 Date of Receipt sample .... : 2020-12-14 Date of Test ....................... : 2020-12-15 to 2020-12-21 Date of Issue ...................... : 2020-12-23 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Test Engineer Daniel Liu / Manager Reference No.: WTK20S12095841W002 Page 2 of 11 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ...................................................................................................................................... 1 2 CONTENTS ........................................................................................................................................................ 2 3 REVISION HISTORY ........................................................................................................................................ 3 4 GENERAL INFORMATION .............................................................................................................................. 4 4.1 GENERAL DESCRIPTION OF E.U.T ......................................................................................................... 4 4.2 DETAILS OF ACCESSORIES ..................................................................................................................... 4 4.3 TEST MODE ............................................................................................................................................ 5 4.4 TEST FACILITY ........................................................................................................................................ 5 5 TEST SUMMARY .............................................................................................................................................. 6 6 EQUIPMENT USED DURING TEST .............................................................................................................. 7 6.1 EQUIPMENTS LIST .................................................................................................................................. 7 6.2 DESCRIPTION OF AUXILIARY EQUIPMENT .............................................................................................. 7 6.3 TEST EQUIPMENT CALIBRATION ............................................................................................................ 7 7 RF EXPOSURE .................................................................................................................................................. 8 7.1 TEST SETUP ........................................................................................................................................... 8 7.2 EQUIPMENT APPROVAL CONSIDERATIONS (CLAUSE 5 B) OF KDB 680106 D01 V03 ........................... 8 7.3 FCC RULES ............................................................................................................................................ 9 7.4 EUT OPERATION .................................................................................................................................... 9 7.5 TEST RESULT ....................................................................................................................................... 10 8 PHOTOGRAPHS OF TEST SETUP ............................................................................................................. 11 Reference No.: WTK20S12095841W002 Page 3 of 11 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3 Revision History Test report No. Date of Receipt sample Date of Test Date of Issue Purpose Comment Approved WTK20S12095 841W002 2020-12-14 2020-12-14 to 2020-12-21 2020-12-23 Original - Valid Reference No.: WTK20S12095841W002 Page 4 of 11 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4 General Information 4.1 General Description of E.U.T Product: 3-in-1 Wireless charging pad Model(s): CD-1086 Model Difference: N/A Type of Modulation: ASK Frequency Range: 110-205kHz Antenna installation: Inductive loop coil Antenna Hardware Version: V1.1 Software Version: V1.1 4.2 Details of accessories Ratings： Input: 5V/2A Wireless output: 5W Adapter： Model： A138A-120-150U-US2 Input: 100-240 ~ 50/60Hz, 0.5A Output: Output: 5V 2.5A / 9V2A / 12V1.5A Reference No.: WTK20S12095841W002 Page 5 of 11 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4.3 Test Mode Test Mode Descriptions Standby mode EUT alone powered by AC/DC adapter Charging mode Ant.1 loading of 5 W Ant.2 loading of 3 W Note: EUT was investigated with client device under normal charging condition as above then worst value was only report. 4.4 Test Facility The test facility has a test s…

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Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 17 TEST REPORT Reference No. .................... : WTK20S12095841W001 FCC ID ................................ : 2AIY7CD-1086 Applicant ............................ : Shenzhen Uniwins Technology Co., Limited Address .............................. : 2-3/F., Bldg. B, Quanyuanfa Industrial Park, Guanlan Avenue, Guanlan Town, Longhua New District, Shenzhen China Manufacturer .................... : Dongguan Uniwins Technology Co., Ltd Address .............................. : 4F., Bldg. D, Songhu Yungu Dalang Creative Industrial Park, 888 Yangxin Rd., Yangchong village, Dalang, Dongguan, China Product ............................... : 3-in-1 Wireless charging pad Model(s). ............................ : CD-1086 Standards........................... : FCC CFR47 Part 15C Date of Receipt sample .... : 2020-12-14 Date of Test ....................... : 2020-12-15 to 2020-12-21 Date of Issue ...................... : 2020-12-23 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Test Engineer Daniel Liu / Manager Reference No.: WTK20S12095841W001 Page 2 of 17 Waltek Testing Group Co., Ltd. http://www.w altek.com.cn 2 Contents Page 1 COVER PAGE ...................................................................................................................................... 1 2 CONTENTS ........................................................................................................................................................ 2 3 REVISION HISTORY ........................................................................................................................................ 3 4 GENERAL INFORMATION .............................................................................................................................. 4 4.1 GENERAL DESCRIPTION OF E.U.T ......................................................................................................... 4 4.2 DETAILS OF ACCESSORIES ..................................................................................................................... 4 4.3 TEST MODE ............................................................................................................................................ 5 4.4 TEST FACILITY ........................................................................................................................................ 5 5 TEST SUMMARY .............................................................................................................................................. 6 6 EQUIPMENT USED DURING TEST .............................................................................................................. 7 6.1 EQUIPMENTS LIST .................................................................................................................................. 7 6.2 DESCRIPTION OF SUPPORT UNITS ......................................................................................................... 8 6.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 8 6.4 TEST EQUIPMENT CALIBRATION ............................................................................................................ 8 7 CONDUCTED EMISSION ................................................................................................................................ 9 7.1 EUT OPERATION .................................................................................................................................... 9 7.2 EUT SETUP ............................................................................................................................................ 9 7.3 MEASUREMENT DESCRIPTION ............................................................................................................... 9 7.4 CONDUCTED EMISSION TEST RESULT ................................................................................................. 10 8 RADIATED SPURIOUS EMISSIONS ........................................................................................................... 12 8.1 EUT OPERATION .................................................................................................................................. 12 8.2 TEST SETUP ......................................................................................................................................... 13 8.3 SPECTRUM ANALYZER SETUP ............................................................................................................. 13 8.4 TEST PROCEDURE ................................................................................................................................ 13 8.5 CORRECTED AMPLITUDE & MARGIN CALCULATION ............................................................................ 14 8.6 SUMMARY OF TEST RESULTS .............................................................................................................. 14 9 BANDWIDTH MEASUREMENT .................................................................................................................... 15 9.1 TEST PROCEDURE ................................................................................................................................ 15 9.2 TEST RESULT PLOT: ................................................................................................................…

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Appendix-CD-1086-Photos Page 1 of 6 Photographs –Constructional Details Setup photo Model CD-1086 FCC ID: 2AIY7CD-1086 Photograph – Conducted Emission Test Setup Test Site 1# Photograph - Spurious Emissions Radiated Test Setup Below 30MHz Test Site 2# Appendix-CD-1086-Photos Page 2 of 6 Photograph - RF Exposure Test Setup