RF Exposure Report

FCC ID: AK8DSXB700

RF Exposure Info

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FCCID_4219310

L1«CT
 HCTCO,LTD.

                  74, Seoicheon—ro 578beon—gil, Majang—myeon, Icheon—si, Gyeonggi—do, 17383, Rep. of KOREA
                                             TEL: +82—31—645—6300               FAX: +82—31—645—6401



                                                  FCC MPE REPORT
                                                                   Certification

                                                                               Date of Issue:
              .                                                                March 11, 2019
       Applicant Name:
                                                                               Location:
       SONY CORPORATION                                                        HCT CO., LTD.,
                  .                                                           74, Seoicheon—ro 578beon—gil, Majang—myeon,
       Address:          .                                                     Icheon—si, Gyeonggi—do, 17383, Rep. of KOREA
       1—7—1 Konan Minato—ku Tokyo, 108—0075 Japan                             Report No.: HCT—RF—1903—FCO05

       FCC ID:                                AK8DSXB700

      APPLICANT:                              SONY CORPORATION
       Model:                                 DSX—B700

       EUT Type:                              FM/AM Bluetooth CAR AUDIO

       Frequency Range:                       2402 MHz — 2480 MHz (Bluetooth)

      The measurements shown in this report were made in accordance with the procedures specified in §2.947. | assume full responsibility for


      the accuracy and completeness of these measurements, and for the qualifications of all persons taking them.

      HCT CO., LTD. Certifies that no party to this application has subject to a denial of Federal benefits that includes FCC benefits pursuant to

     section 5301 of the Anti—Drug Abuse Act of 1998,21 U.S. C.853(a)




     Report prepared by : Se Wook Park                                     Approved by : Kwon Jeong
     Engineer of Telecommunication testing center                          Manager of Telecommunication testing center
    This report only responds to the tested sample and may not be reproduced, except in full, without written approval of the HCT Co., Ltd.




       F—TP22—03 (Rev.00)                           |              1/4                                             HCT CO.,LTD.


Report No.: HCT-RF-1903-FC005                                                   FCC ID: AK8DSXB700




                                           Version
    TEST REPORT NO.             DATE                              DESCRIPTION

 HCT-RF-1903-FC005        March 11, 2019     - First Approval Report




  F-TP22-03 (Rev.00)                       2/4                             HCT CO.,LTD.


Report No.: HCT-RF-1903-FC005                                                                   FCC ID: AK8DSXB700



 RF Exposure Statement
 1. LIMITS
 According to §1.1310 and §2.1091 RF exposure is calculated.


                             (B) Limits for General Population/Uncontrolled Exposures

              Frequency range                   Electric field     Magnetic field      Power density   Averaging time
                   (MHz)                       Strength (V/m)    Strength (A/m)          (mW/cm²)        (minutes)


   0.3 - 1.34…………………………………                             614                 1.63            *(100)                  30
   1.34 - 30…………………………………                             824/f              2.19/f         *(180/ f²)                 30
   30 - 300…………………………………                               27.5              0.073                0.2                  30
   300 - 1500………………………………                           …………...            …………...             f/1500                  30
   1500 - 100.000……………………………                        …………...            …………...                1.0                  30


     F = frequency in MHz
     * = Plane-wave equivalent power density

 2. MAXIMUM PERMISSIBLE EXPOSURE Prediction
 Prediction of MPE limit at a given distance


 S = PG/4πR²

 S = Power density
 P = power input to antenna
 G = power gain of the antenna in the direction of interest relative to an isotropic radiator
 R = distance to the center of radiation of the antenna




  F-TP22-03 (Rev.00)                                 3/4                                  HCT CO.,LTD.


Report No.: HCT-RF-1903-FC005                                           FCC ID: AK8DSXB700



 3. RESULTS

 3-1. Bluetooth

  Average output Power at antenna input terminal                    3.9794     dBm

  Average output Power at antenna input terminal                     2.500     mW

  Prediction distance                                               20.000     cm

  Prediction frequency                                          2402 - 2480    MHz

  Antenna Gain(typical)                                              -7.400    dBi

  Antenna Gain(numeric)                                              0.182      -

  Power density at prediction frequency( S)                      0.0000905    mW/cm2

  MPE limit for uncontrolled exposure at prediction frequency        1.000    mW/cm2

 2.1091
  EIRP                         -3.421 (dBm)

  ERP                           -5.57 (dBm)

  ERP                       0.000277 (W)

  ERP Limit                      3.00 (W)

  MARGIN                        40.34 (dB)




  F-TP22-03 (Rev.00)                             4/4               HCT CO.,LTD.



Document Created: 2019-04-02 05:44:24
Document Modified: 2019-04-02 05:44:24

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