Cover Letter

FCC ID: 2AFKNF316W

Cover Letter(s)

Download: PDF
FCCID_4459274

Justification for WPT RF Exposure Evaluation Consideration FCC ID: 2AFKNF316W Dear Examiner, There’s a WPT device as below we’d like to be authorized per KDB 680106 D01. Company: Spigen Korea Co., Ltd. Model Number: F316W 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 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 1) Power transfer frequency is less that 1 MHz Yes, 113.30kHz to 137.66kHz 2) Output power from each primary coil is less than or Yes, 15W Max. equal to 15 watts. 3) The transfer system includes only single primary and Yes, includes only single primary secondary coils. This includes charging systems that may and secondary coils. have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. 4) Client device is placed directly in contact with the Yes transmitter. 5) Mobile exposure conditions only (portable exposure Yes, for desktop application, conditions are not covered by this exclusion). it’s mobile condition. 6) The aggregate H-field strengths at 15 cm surrounding Yes the device and 20 cm above the top surface from all The strengths at 15cm simultaneous transmitting coils are demonstrated to be surrounding the device are less than 50% of the MPE limit. demonstrated to be less than 50% of the MPE limit. Sincerely, Signed By: Jing Song On behalf of SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch under written authorization from Grantee Email: jing.song@sgs.com Date: 2019/09/18



Document Created: 2019-09-23 18:12:29
Document Modified: 2019-09-23 18:12:29
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC