I19N00481-SAR_122-146

FCC ID: 2ACCJBT15

RF Exposure Info

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         Page 122 of 196




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ANNEX I Dipole Calibration Certificate
750 MHz Dipole Calibration Certificate




                                         ©Copyright. All rights reserved by SAICT.


             I     Shenzhen Academy of Information
                   and Communications Technology




Calibration
      .     Laboratory of                                                           g      Schweizerischer Kalibrierdienst
Schmid & Partner                                                                    c      Service suissed‘étalonnage
  Engineering AG                                                                           Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                                        S      Swiss Calibration Service



Accredited by the Swiss Accreditation Service (SAS)                                     Accreditation No.: SCS 0108
The Swiss Accreditation Service is one of the signatories to the EA
Multilateral Agreement for the recognition of calibration certificates

Glossary:
TSL                          tissue simulating liquid
ConvF                         sensitivity in TSL / NORM x,y,z
N/A                           not applicable or not measured

Calibration is Performed According to the Following Standards:
   a) IEEE Std 1528—2013, "EEE Recommended Practice for Determining the Peak Spatial—
      Averaged Specific Absorption Rate (SAR) in the Human Head from Wireless
      Communications Devices: Measurement Techniques", June 2013
   b) IEC 62209—1, "Procedure to measure the Specific Absorption Rate (SAR) for hand—held
      devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz)",
       February 2005
   c) 1EC 62209—2, "Procedure to determine the Specific Absorption Rate (SAR) for wireless
      communication devices used in close proximity to the human body (frequency range of 30
       MHz to 6 GHz)", March 2010
   d) KDB 865664, "SAR Measurement Requirements for 100 MHz to 6 GHz"

Additional Documentation:
   e) DASY4/5 System Handbook

Methods Applied and Interpretation of Parameéters:
   e Measurement Conditions: Further details are available from the Validation Report at the end
     of the certificate. All figures stated in the certificate are valid at the frequency indicated.
   * Antenna Parameters with TSL: The dipole is mounted with the spacer to position its feed
     point exactly below the center marking of the flat phantom section, with the arms oriented
     paralle! to the body axis.
   * Feed Point Impedance and Return Loss: These parameters are measured with the dipole
     positioned under the liquid filled phantom. The impedance stated is transformed from the
     measurement at the SMA connector to the feed point. The Return Loss ensures low
     reflected power. No uncertainty required.
   e Electrical Delay: One—way delay between the SMA connector and the antenna feed point.
     No uncertainty required.
   e SAR measured: SAR measured at the stated antenna input power.
   e SAR normalized: SAR as measured, normalized to an input power of 1 W at the antenna
         connector.
    *     SAR for nominal TSL parameters: The measured TSL parameters are used to calculate the
          nominal SAR result.
  The reported uncertainty of measurement is stated as the standard uncertainty of measurement
  multiplied by the coverage factor k=2, which for a normal distribution corresponds to a coverage
  probability of approximately 95%.




Certificate No: D7S0V3—1163_Sep16                               Page 2 of 8




                                                                              monnima    cce n s   m   agnnen   n n ns n n m y nn >


2A IUT           Shenzhen Academy of Information
                  and Communications Technology




  Measurement Conditions
     DASY system configuration, as far as not given on page 1.
       DASY Version                                              DASY5                               V52.8.8
       Extrapolation                                   Advanced Extrapolation
       Phantom                                          Modular Flat Phantom
       Distance Dipole Center — TSL                              15 mm                             with Spacer
       Zoom Scan Resolution                              dx, dy, dz =5 mm
       Frequency                                          750 MHz + 1 MHz



  Head TSL parameters
     The following parameters and calculations were applied.
                                                                 Temperature       Permittivity         Conductivity
       Nominal Head TSL parameters                                  22.0 °C           41.9               0.89 mho/m

       Measured Head TSL parameters                              (22.0 + 0.2) °C   41.0 26 %          0.91 mho/m * 6 %
       Head TSL temperature change during test                      <0.5 °C


  SAR result with Head TSL

       SAR averaged over 1 cm‘ (1 g) of Head TSL                  Condition
       SAR measured                                        250 mW input power                     2.11 Wikg

       SAR for nominal Head TSL parameters                     normalized to 1W        8.26 Wikg x 17.0 % (k=2)

       SAR averaged over 10 cm* (10 g) of Head TSL                 condition
       SAR measured                                        250 mW input power                  1.38 Wkg
       SAR for nominal Head TSL parameters                     normalized to 1W         5.43 Wikg # 16.5 % (k=2)


  Body TSL parameters
     The following parameters and calculations were applied.
                                                                 Temperature       Permittivity         Conductivity
       Nominal Body TSL parameters                                  22.0 °C            $5.5              0.96 mho/m
       Measured Body TSL parameters                              (22.0 + 0.2) °C   54.9 + 6 %         0.99 mho/m + 6 %
       Body TSL temperature change during test                      <0.5°C


  SAR result with Body TSL

       SAR averaged over 1 cm‘ (1 g) of Body TSL                  Condition

       SAR measured                                        250 mW input power                  2.20 Wikg
       SAR for nominal Body TSL parameters                     normalized to 1W         8.58 Wikg x 17.0 % (k=2)

       SAR averaged over 10 cm‘ (10 g) of Body TSL                 condition
        SAR measured                                       250 mW input power                  1.44 Wikg
        SAR for nominal Body TSL parameters                    normalized to 1W         5.64 Wikg x 16.5 % (k=2)



  Certificate No: D750V3—1163_Sep16                     Page 3 of 8


            I    Shenzhen Academy of Information
                 and Communications Technology




Appendix (Additional assessments outside the scope of SCS 0108)

Antenna Parameters with Head TSL

      Impedance, transformed to feed point                                          54.5 Q — 1.8 jQ
      Return Loss                                                                      — 26.8 dB



Antenna Parameters with Body TSL

      Impedance, transformed to feed point                                          49.8 Q — 3.5 jQ
      Return Loss                                                                      —29.0 dB




General Antenna Parameters and Design

      Electrical Delay (one direction)                                                  1.032 ns


After long term use with 100W radiated power, only a slight warming of the dipole near the feedpoint can be measured.

The dipole is made of standard semirigid coaxial cable. The center conductorof the feeding line is directly connected to the
second arm of the dipole. The antennais therefore short—circuited for DC—signals. On some of the dipoles, small end caps
are added to the dipole arms in order to improve matching when loaded according to the position as explained in the
"Measurement Conditions" paragraph. The SAR data are not affected by this change. The overall dipole length is still
according to the Standard.
No excessive force must be applied to the dipole arms, because they might bend orthe soldered connections nearthe
feedpoint may be damaged.


Additional EUT Data

      Manufactured by                                                                   SPEAG
      Manufactured on                                                                June 23, 2016




Certificate No: D750V3—1163_Sep16                        Page 4 of 8


                 Shenzhen Academy of Information
                 and Communieations Technology




DASY5 Validation Report for Head TSL

                                                                                      Date: 19.09.2016

Test Laboratory: SPEAG, Zurich, Switzerland

DUT: D750V3 — SN1163; Type: D750V3; Serial: SN1163

Communication System: UID 0 — CW; Frequency: 750 MHz
Medium parameters used: f = 750 MHz; o = 0.91 S/m; & =41; p = 1000 kg/m‘
Phantom section: Flat Section
Measurement Standard: DASYS (IEEE/AIEC/ANSI C63.19—2011)

DASY52 Configuration:

    *   Probe: EX3DV4 — SN7349; ConvF(10.07, 10.07, 10.07); Calibrated: 15.06.2016;

        Sensor—Surface: 1.4mm (Mechanical Surface Detection)

        Electronics: DAE4 Sn601; Calibrated: 30.12.2015

        Phantom: Flat Phantom 4.9L; Type: QDOOOPA49AA; Serial: 1001

        DASY52 52.8.8(1258); SEMCAD X 14.6.10(7372)


Dipole Calibration for Head Tissue/Pin=250 mW, d=15mm/Zoom Scan (7x7x7)/Cube 0:
Measurementgrid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 58.31 V/m; Power Drift = 0.01 dB
Peak SAR (extrapolated) = 3.16 W/kg
SAR(I g) = 2.11 W/kg; SAR(10 g) = 1.38 W/kg
Maximum value of SAR (measured) = 2.79 W/kg


        dB
        0

        —2.00

        ~4.00

        —6.00




        —10.00
                     0 dB = 2.79 W/kg = 4.46 dBW/kg




Certificate No: D7S50V3—1163_Sep16                 Page 5 of 8


                Shenzhen Academy of Information
                and Communications Technology




Impedance Measurement Plot for Head TSL




                                                                              19 Sep 2016   12:00:36
                s1      4 uors                    41 54.461 a   7734 a 119.66 pF            750.000 000 MHz
                                                                Ts


          De1

          Ca




          Av
          159


          H1d

          CH2




          Ca




          Ay
          16


          HLd

                     START 550.000 000 MHz                                         STOP 950,000 000 MHz




Certificate No: D750V3—1163_Sep16                               Page 6 of 8




                                                                                            = omm   ccance


             I   Shenzhen Academy of Information
                 and Communications Technology




DASY5 Validation Report for Body TSL

                                                                                                Date: 19.09.2016

Test Laboratory: SPEAG, Zurich, Switzerland

DUT: D750V3 — SN1163; Type: D750V3; Serial: SN1163

Communication System: UID 0 — CW; Frequency: 750 MHz
Medium parameters used: £= 750 MHz; o = 0.99 S/m; &, = 54.9; p = 1000 kg/m3
Phantom section: Flat Section
Measurement Standard: DASYS (IEEE/IEC/ANSI C63.19—2011)

DASY52 Configuration:

   «_   Probe: EX3DV4 — SN7349; ConvF(9.99, 9.99, 9.99); Calibrated: 15.06.2016;

   *    Sensor—Surface: 1.4mm (Mechanical Surface Detection)

   *    Electronics: DAEA4 Sn601; Calibrated: 30.12.2015

        Phantom: Flat Phantom 4.9L; Type: QDOOOPA49AA; Serial: 1001

   «_   DASY52 52.8.8(1258); SEMCAD X 14.6.10(7372)


Dipole Calibration for Body Tissue/Pin=250 mW, d=15mm/Zoom Scan (7x7x7)/Cube 0:
Measurementgrid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 57.12 V/m; Power Drift = —0.00 dB
Peak SAR (extrapolated) = 3.33 W/kg
SAR(1 g) = 2.2 W/kg; SAR(10 g) = 1.44 W/kg              in
Maximum value of SAR (measured) = 2.94 W/kg


        dB
        0

        —2.20

        ~4.40

        —6.60

        —8.80

        —11.00
                    0 dB = 2.94 W/kg = 4.68 dBW/kg




Certificate No: D750V3—1163_Sep16                  Page 7 of 8




                                                                      monnima   cce n s   m   agnnen   n n ns n n m y nn >


                Shenzhen Academy of Information
                and Communications Technology




Impedance Measurement Plot for Body TSL




                                                                             19 Sep 2016 ester:is
                        i u s                     41 49.754 a   —3.5410 0. 59.928 pF     750.000 000 MHz

          #

          Del
                                                                                    \
          Ca
                                                                   i ,/_'\              &
                                                                                1 241
                                                                                        4
                                                                                       7
          Av                                                           \
          16°                                                              ze

          H1d


          CH2   $11     LOG          _5 dB/REF         —20 4B      r        11—28.958 dB    7'52.563 000 MHz




          Ca




                           }         ;             }       }                }      }         }       :

                           4         4             4       |                }       H        }       }
          H1d              +         |             +       +       +        +       |        +       |

                      START 550.000 000 MHz                                        SToP 950.000 000 MHz




Certificate No: D750V3—1163_Sep16                                Page 8 of 8


                                                 No.I19N00481-SAR
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835 MHz Dipole Calibration Certificate




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                                                   Page 145 of 196

1750 MHz Dipole Calibration Certificate




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Document Created: 2019-04-18 15:05:12
Document Modified: 2019-04-18 15:05:12

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