RF Exposure

FCC ID: WC2-DSWB10

RF Exposure Info

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FCCID_3920434

                                  Shenzhen Huaxia Testing Technology Co., Ltd
                                  1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District,
                                  Shenzhen, China
                 ‘all
                                  Telephone:       +86—755—26648640

   1E R )6E :W                    Fax:
                                  Website:
                                                   +86—755—26648637
                                                   www.cga—cert.com
                                                                                   Report Template Version: VO3
                                                                                   Report Template Revision Date: Mar.1st, 2017



                 RF Exposure Evaluation Report
Report No. :                      CQASZ20180600080E—02

Applicant:                        Wonders Technology Co..Ltd

Address of Applicant:             4/F, Tower A, 3rd Building, Tian‘an Cloud Park, Bantian Avenue, Longgang
                                  District, Shenzhen 518129, China
Manufacturer:                     Wonders Technology Co..Ltd

Address of Manufacturer:          4/F, Tower A, 3rd Building, Tian‘an Cloud Park, Bantian Avenue, Longgang
                                  District, Shenzhen 518129, China

Equipment Under Test (EUT):
Product:                  Wireless Bluetooth Speaker
Model No.:                SoundBox Pro, WB—10, BT—10
Test Model No.:           SoundBox Pro
Brand Name:               N/A
FCC ID:                   WwC2—DSWB10
Standards:                47 CFR Part 1.1307
                                  47 CFR Part 2.1093
                                  KDB447498D01 General RF Exposure Guidance v0O6

Date of Test:                     2018—06—22 to 2018—06—29
Date of Issue:                    2018—06—29
 Test Result :                    PASS®

                                           W’fl lab
Tested By:
                                                   Martin Lee)


Reviewed By:
                                               C    (Jack Ai)


Approved By:

                                               4    ( Jack Ai)




* In the configuration tested, the EUT complied with the standards specified above.

The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to

the sample(s) tested. Without written approval of CQA, this report can‘t be reproduced except in full.


                                       Shenzhen Huaxia Testing Technology Co., Ltd
                                                          Report No.: CQASZ20180600080E-02


1   Version
                            Revision History Of Report

          Report No.         Version           Description            Issue Date
     CQASZ20180600080E-02    Rev.01            Initial report         2018-06-29




                              Page:2 of 6


                                                                                 Shenzhen Huaxia Testing Technology Co., Ltd
                                                                                                                    Report No.: CQASZ20180600080E-02



2         Contents
                                                                                                                                                                         Page
1       VERSION .....................................................................................................................................................................2

2       CONTENTS .................................................................................................................................................................3

3       GENERAL INFORMATION .......................................................................................................................................4
    3.1     CLIENT INFORMATION................................................................................................................................................4
    3.2     GENERAL DESCRIPTION OF EUT ................................................................................................................................4
4       SAR EVALUATION ....................................................................................................................................................5
    4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ..............................................................................................................5
       4.1.1 Standard Requirement .................................................................................................................................5
       4.1.2 Limits ..............................................................................................................................................................5
       4.1.3 EUT RF Exposure .........................................................................................................................................5




                                                                     Page:3 of 6


                                                 Shenzhen Huaxia Testing Technology Co., Ltd
                                                                       Report No.: CQASZ20180600080E-02



3      General Information
3.1 Client Information
      Applicant:                   Wonders Technology Co.,Ltd
      Address of Applicant:        4/F, Tower A, 3rd Building, Tian'an Cloud Park, Bantian Avenue,
                                   Longgang District, Shenzhen 518129, China
      Manufacturer:                Wonders Technology Co.,Ltd
      Address of Manufacturer:     4/F, Tower A, 3rd Building, Tian'an Cloud Park, Bantian Avenue,
                                   Longgang District, Shenzhen 518129, China

3.2 General Description of EUT
       Product Name:               Wireless Bluetooth Speaker
       Model No.:                  SoundBox Pro, WB-10, BT-10
      Test Model No.:              SoundBox Pro
       Trade Mark:                 N/A
    Hardware Version:              V1.0
    Software Version:              V1.0
       Operation Frequency:        2402MHz~2480MHz
       Bluetooth Version:          V4.0
       Modulation Technique:       Frequency Hopping Spread Spectrum(FHSS)
       Modulation Type:            GFSK, π/4DQPSK, 8DPSK
       Number of Channel:          79
       Hopping Channel Type:       Adaptive Frequency Hopping systems
       Sample Type:                portable production
       Test Software of EUT:       Bluetooth MP Tool (manufacturer declare )
       Antenna Type:               PCB antenna
       Antenna Gain:               0dBi
      Power Supply:                lithium battery:DC3.7V, 1400mAh, 5.18Wh, Charge by DC5.0V

All model: SoundBox Pro, WB-10, BT-10
Only the model SoundBox Pro was tested, since the electrical circuit design, layout, components used and
internal wiring were identical for the above models, with difference being color of appearance and model name.




                                          Page:4 of 6


                                                Shenzhen Huaxia Testing Technology Co., Ltd
                                                                     Report No.: CQASZ20180600080E-02



4    SAR Evaluation
4.1 RF Exposure Compliance Requirement
4.1.1 Standard Requirement
     According to KDB447498D01 General RF Exposure Guidance v06
     4.3.1. Standalone SAR test exclusion considerations
            Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head
     or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement
     or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition,
     listed below, is satisfied.
4.1.2 Limits
     The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances
     ≤ 50 mm are determined by:

     [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·
     [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where

                                                                                      17
                nd distance are rounded to the nearest mW and mm before calculation

     The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and
     for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation
     distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion
4.1.3 EUT RF Exposure

     For BT:

    Measurement Data
                                               GFSK mode
               Test channel                                   Peak Output Power (dBm)
                 Lowest                                                 -4.920
                 Middle                                                 -4.990
                 Highest                                                -5.450
                                            π/4DQPSK mode
               Test channel                                   Peak Output Power (dBm)
                 Lowest                                                 -6.060
                 Middle                                                 -6.210
                 Highest                                                -6.610
                                              8DPSK mode
               Test channel                                   Peak Output Power (dBm)
                 Lowest                                                 -5.720
                 Middle                                                 -6.670
                 Highest                                                -6.510



                                         Page:5 of 6


                                                  Shenzhen Huaxia Testing Technology Co., Ltd
                                                                       Report No.: CQASZ20180600080E-02




  Worst case: GFSK
                      Maximum                          Maximum tune-
                        Peak            Tune up             up Power
                                                                            Calculated     Exclusion
     Channel         Conducted          tolerance
                                                                              value        threshold
                    Output Power         (dBm)         (dBm)     (mW)
                        (dBm)
      Lowest
                                         -5.0±1         -4.0     0.398        0.12
    (2402MHz)           -4.920

      Middle
                                         -5.0±1         -4.0     0.398        0.12            3.0
    (2440MHz)           -4.990

      Highest
                                         -5.0±1         -4.0     0.398        0.13
    (2480MHz)           -5.450

  Conclusion: the calculated value ≤3.0, SAR is exempted.

Remark: The Max Conducted Peak Output Power data refer to report Report No.: CQASZ20180600080E-01




                                         Page:6 of 6



Document Created: 2018-07-10 21:09:59
Document Modified: 2018-07-10 21:09:59

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