MPE Report

FCC ID: TE7C20V4

RF Exposure Info

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FCCID_3287620

 srommmi«».     RF Exposure Evaluation Report                              Report No. : FA570506—01
                                                                               Project No: CB10602034




        RF Exposure Evaluation Report

       Equipment              : AC750 Wireless Dual Band Router
       Brand Name             : TP—Link
       Model No.              : Archer C20

       FCC ID                 : TEZC20V4
       Standard               : 47 CFR Part 21091
       Applicant              : TP—Link Technologies Co., Ltd.
                                Building 24 (floors 1,3,4,5) and 28 (floors1—4)
                                Central Science and Technology Park,Shennan Rd,
                                Nanshan, Shenzhen,China

       Manufacturer           : TP—Link Technologies Co., Ltd.
                                Building 24 (floors 1,3,4,5) and 28 (floors1—4)
                                Central Science and Technology Park,Shennan Rd,
                                Nanshan, Shenzhen,China


      The product sample received on Dec. 01, 2016 and completely tested on Jan. 24, 2017. We,
      SPORTON, would like to declare thatthe tested sample has been evaluated in accordance
      with 47 CFR Part 2.1091, and pass the limit.
      Without written approval of SPORTON INTERNATIONAL INC., the test report shall not be
      reproduced except in full.

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       SPORTON INTERNATIONAL INC.




SPORTON INTERNATIONAL INC                                          Page No             1of6
TEL: 886—3—327—3456                                                Report Version      Rev. 01
FAX : 886—3—327—0073                                               Issued Date       : Feb. 16, 2017
FCC ID: TE7C20V4


                    RF Exposure Evaluation Report                                                                   Report No. : FA570506-01




                                                  TABLE OF CONTENTS
1    GENERAL DESCRIPTION ....................................................................................................................4
1.1  EUT General Information .......................................................................................................................4
1.2  Testing Location .....................................................................................................................................4
2    MAXIMUM PERMISSIBLE EXPOSURE ...............................................................................................5
2.1  Limit of Maximum Permissible Exposure ...............................................................................................5
2.2  MPE Calculation Method........................................................................................................................5
2.3  Calculated Result and Limit....................................................................................................................6
PHOTOGRAPHS OF EUT V01




SPORTON INTERNATIONAL INC.                                                                                Page No.                  : 2 of 6
TEL : 886-3-327-3456                                                                                      Report Version            : Rev. 01
FAX : 886-3-327-0973                                                                                      Issued Date               : Feb. 16, 2017
FCC ID: TE7C20V4


                RF Exposure Evaluation Report                               Report No. : FA570506-01



                                   REVISION HISTORY
   REPORT NO.          VERSION              DESCRIPTION                              ISSUED DATE

   FA570506-01           Rev. 01          Initial issue of report                    Feb. 16, 2017




SPORTON INTERNATIONAL INC.                                          Page No.           : 3 of 6
TEL : 886-3-327-3456                                                Report Version     : Rev. 01
FAX : 886-3-327-0973                                                Issued Date        : Feb. 16, 2017
FCC ID: TE7C20V4


                 RF Exposure Evaluation Report                                       Report No. : FA570506-01



1         General Description
1.1       EUT General Information
                                             RF General Information
                         Frequency          Operating
    Evaluation
                           Range            Frequency                      Modulation Type
      Mode
                           (MHz)              (MHz)
                                                           802.11b: DSSS (DBPSK, DQPSK, CCK)
 2.4GHz WLAN           2400-2483.5       2412-2462
                                                           802.11g/n: OFDM (BPSK, QPSK, 16QAM, 64QAM)
                                                           802.11a/n: OFDM (BPSK, QPSK, 16QAM, 64QAM)
                       5150-5250         5180-5240
 5GHz WLAN                                                 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM,
                       5725-5850         5745-5825
                                                                      256QAM)

1.2       Testing Location
                                                  Testing Location
      HWA YA           ADD   :   No. 52, Hwa Ya 1st Rd., Kwei-Shan Hsiang, Tao Yuan Hsien, Taiwan, R.O.C.
                       TEL   :   886-3-327-3456         FAX   :   886-3-327-0973
      JHUBEI           ADD   :   No.8, Lane 724, Bo-ai St., Jhubei City, HsinChu County 302, Taiwan, R.O.C.
                       TEL   :   886-3-656-9065         FAX   :   886-3-656-9085




SPORTON INTERNATIONAL INC.                                                   Page No.          : 4 of 6
TEL : 886-3-327-3456                                                         Report Version    : Rev. 01
FAX : 886-3-327-0973                                                         Issued Date       : Feb. 16, 2017
FCC ID: TE7C20V4


                  RF Exposure Evaluation Report                                        Report No. : FA570506-01



2         Maximum Permissible Exposure
2.1       Limit of Maximum Permissible Exposure
(A) Limits for Occupational / Controlled Exposure
                                                                                               Averaging Time
  Frequency Range         Electric Field        Magnetic Field        Power Density (S)
                                                                                                |E|²,|H|² or S
       (MHz)            Strength (E) (V/m)    Strength (H) (A/m)         (mW/ cm²)
                                                                                                 (minutes)
        0.3-3.0                 614                  1.63                     (100)*                       6
         3.0-30              1842 / f               4.89 / f                 (900 / f)*                    6
        30-300                  61.4                0.163                       1.0                        6
       300-1500                                                               F/300                        6
    1500-100,000                                                                 5                         6
(B) Limits for General Population / Uncontrolled Exposure
                                                                                               Averaging Time
 Frequency Range          Electric Field       Magnetic Field         Power Density (S)
                                                                                                |E|²,|H|² or S
      (MHz)             Strength (E) (V/m)   Strength (H) (A/m)          (mW/ cm²)
                                                                                                 (minutes)
       0.3-1.34                 614                  1.63                     (100)*                   30
        1.34-30               824/f                 2.19/f                   (180/f)*                  30
        30-300                 27.5                 0.073                      0.2                     30
       300-1500                                                              F/1500                    30
    1500-100,000                                                               1.0                     30
Note: f = frequency in MHz ; *Plane-wave equivalent power density

2.2       MPE Calculation Method
The MPE was calculated at 20 cm to show compliance with the power density limit.
The following formula was used to calculate the Power Density:


               30  P  G                                                    E2
E (V/m) =                                Power Density:        Pd (W/m²) =
                   d                                                         377
E = Electric field (V/m)
P = RF output power (W)
G = EUT Antenna numeric gain (numeric)
d = Separation distance between radiator and human body (m)
The formula can be changed to

Pd =
        30  P  G
         377  d 2



SPORTON INTERNATIONAL INC.                                                   Page No.           : 5 of 6
TEL : 886-3-327-3456                                                         Report Version     : Rev. 01
FAX : 886-3-327-0973                                                         Issued Date        : Feb. 16, 2017
FCC ID: TE7C20V4


                RF Exposure Evaluation Report                              Report No. : FA570506-01


2.3       Calculated Result and Limit
Exposure Environment: General Population / Uncontrolled Exposure
                              DG     Power    EIRP    EIRP     Distance      S        S Limit         Ratio
            Mode                                                                2            2
                             (dBi)   (dBm)   (dBm)     (W)       (cm)     (mW/cm )   (mW/cm )       (S/Limit)
          2.4G;D1D           2.00    22.05   24.05   0.2541      20       0.05055        1          0.05055
          5.2G;D1D           3.03    22.94   25.97   0.39537     20       0.07866        1          0.07866
                                                                                     Sum Ratio      0.12921
                                                                                     Ratio Limit       1




SPORTON INTERNATIONAL INC.                                         Page No.             : 6 of 6
TEL : 886-3-327-3456                                               Report Version       : Rev. 01
FAX : 886-3-327-0973                                               Issued Date          : Feb. 16, 2017
FCC ID: TE7C20V4



Document Created: 2017-12-22 17:38:25
Document Modified: 2017-12-22 17:38:25

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