Cover letter

FCC ID: ZBCAC75L4C

Cover Letter(s)

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FCCID_4005190

SHENZHEN DNS INDUSTRIES CO., LTD. Cover Letter‐Wireless Charger Approval FCC ID: ZBCAC75L4C Date: 2018‐06‐26 Gentlemen: There’s a Wireless Charger that would like to have your authorization as an Inductive wireless power transfer applications approval. The specific product as below, Wireless Charger, with its designed features and specified description, meets special requirements for KDB 680106 D01 section 5.2 requirements. Company: SHENZHEN DNS INDUSTRIES CO., LTD. Product Name: Wireless Charger Model Number: AC75L4C, AC75L4N, WD19L4C, WD19L4N FCC ID: ZBCAC75L4C KDB 680106 D01 Section 5.2 Requirements: Product Technical Specification： Result: a) Power transfer frequency is less than 1 MHz 129.3-183.7kHz Complied b) Output power from each primary coil is less than 15 watts Complied or equal to 15 watts. c) The transfer system includes only single primary Complied 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 directly in contact with Complied the transmitter. e) Mobile exposure conditions only (portable Complied exposure conditions are not covered by this exclusion) f) The aggregate H-field strengths at 15 cm Please refer to RF exposure report Complied 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. Sincerely, Print Name: Yuki Wu Title: Certificate Engineer Signature: On behalf of Company: SHENZHEN DNS INDUSTRIES CO., LTD. Telephone: +86-755-83401338 E-mail: wuyutang@sz.dnschina.com


Document Created: 2018-09-13 09:24:30
Document Modified: 2018-09-13 09:24:30
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