Cover Letter-Wireless Charger

FCC ID: 2AJTF-BM688

Cover Letter(s)

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FCCID_4379777

                         Cover Letter—Wireless Charger Approval
FCC ID: 2AJTF—BM688                                                       Date: July 24, 2019


Gentlemen:
There‘s an HiMirror Mini Premium.X with Stand that would like to have your authorization as an
Inductive wireless power transfer applications approval.
The specific product as below, HiMirror Mini Premium —X with Stand, with its designed features and
specified description, meets special requirements for KDB 680106 DO1 section 5.2 requirements.


 Company:                Cal—Comp Big Data, Inc.
 Product Name:           HiMirror Mini Premium X
 Model Number:           BM688
 FCC ID:                 2AJTF—BM688


 KDB 680106 DO1 Section 5.2 Requirements:                Product Technical Specification:       Result:
 a) Power transfer frequency is less that | MHz           111—205KHz                            Complied

 b) Output power from each primary coil is less than     The output range must be SW.           Complied
 or equal to 15 Watts
 c) The transfer system includes only single primary     Only one single primary coil.          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 ofcoils
 d) Client device is placed in in contact with the       The client device is placed directly   Complied
 transmitter                                              in contact with the transmitter.
  e) Mobile exposure conditions only (portable           The client device is met mobile        Complied
 exposure conditions are not covered by this              exposure conditions.
 exclusion).
  £) The aggregate leakage fields at 15 cm                Please refer to the RF exposure       Complied
  surrounding the device and 20 cm above the top          report.
  surface from all simultancous transmitting coils are
  demonstrated to be less than 50% of MPE limit.

Sincerely,
Print Name: Ivan Chang                               Title: Supervisor


Signature: 1\/0/}’[ C /-Lomg/


On behalf of Company: Cal—Comp Big Data, Inc.


Telephone: +886—2—7705—8001
E—mail: ivan_chang@himirror.com



Document Created: 2019-08-21 04:24:47
Document Modified: 2019-08-21 04:24:47

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