ZBCWD222ACAR WIRELESS CHARGER

SHENZHEN DNS INDUSTRIES CO., LTD. Date: 2019-12-16 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: ZBCWD222A To whom it may concern: We, the undersigned, hereby authorize SGS-CSTC Standards Technical Services Co., Ltd. (SGS) Shenzhen Branch and Joyce Shi in SGS-CSTC Standards Technical Services Co., Ltd. (SGS) Shenzhen Branch 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. 853(a). 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 SHENZHEN DNS INDUSTRIES CO., LTD. This authorization is valid until further written notice from the applicant. Print Name: Yuki Wu Title: Certification engineer Signature: On behalf of Company: SHENZHEN DNS INDUSTRIES CO., LTD. Telephone: +86-755-83401338-8568 E-mail: [email protected]

SHENZHEN DNS INDUSTRIES CO., LTD. To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: SHENZHEN DNS INDUSTRIES CO., LTD. 23/F Building A, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian Shenzhen China Regarding: Confidentiality Request regarding application for FCC ID: ZBCWD222A LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s 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. Sincerely, Print Name: Yuki wu Title: Certification engineer Signature: On behalf of Company: SHENZHEN DNS INDUSTRIES CO., LTD. Telephone: +86-755-83401338-8568 E-mail: [email protected]

SHENZHEN DNS INDUSTRIES CO., LTD. Cover Letter for WPT RF Exposure Evaluation Consideration Date: 2019-11-25 Dear Examiner, There’s a WPT device as below we’d like to be authorized per KDB 680106 D01. Grantee Name: SHENZHEN DNS INDUSTRIES CO., LTD. Product Name: CAR WIRELESS CHARGER Model Number: WD-222A, 47649, 3S-1802 FCC ID: ZBCWD222A As addressed in KDB 680106 D01 RF Exposure Wireless Charging App v03section 5, Inductive wireless power transfer applications with supporting field strength results and meeting all of the 6 following requirements are not required to submit a KDB inquiry for a PAG for equipment approved using certification to address RF exposure compliance. Here is a briefing about the device. KDB 680106 D01 Section 5 Requirements Justification a) Power transfer frequency is less than 1 MHz Yes 110.57-202.40 kHz b) Output power from each primary coil is less than or equal to 15 watts. Yes. 15 watts Max. 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. Yes d) Client device is placed directly in contact with the transmitter. Yes e) Application is limited to Mobile exposure conditions only. No. It is for vehicle application. f) The aggregate H-field strengths 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 the MPE limit. Yes. Please refer to RF exposure report. Sincerely, Print Name: Yuki Wu Title: Certificate Engineer Signature: On behalf of Company: SHENZHEN DNS INDUSTRIES CO., LTD Telephone: +86-755-83401338 E-mail: [email protected]

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 4 External Photos for SZEM1911020515CR FCC ID: ZBCWD222A SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 4 1 EUT Constructional Details SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 4 of 4