SAR Report 4 of 4

FCC ID: AK8145890811

RF Exposure Info

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FCCID_3800118

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             Tel: +86—10—62304633—2079       Fax: +86—10—62304633—2504            Arlyiduts®®                     CNAS LO570
             E—mail: cttl@chinattl.com       http://www.chinattl.cn
       Client              Sporton                                          Certificate No:      Z17—97148

CALIBRATION CERTIFICATE

Object                                    D2450V2 — SN: 736

Calibration Procedure(s)                  FF—211—003—01

                                          Calibration Procedures for dipole validation kits

Calibration date:                         September 18, 2017


This calibration Certificate documents the traceability to national standards, which realize the physical units of
measurements(S!). The measurements and the uncertainties with confidence probability are given on the following
pages and are part of the certificate.


All calibrations have been conducted in the closed laboratory facility; environment temperature(@22+3)C and
humidity<70%.


Calibration Equipment used (M&TE critical for calibration)


Primary Standards                 ID #                Cal Date(Calibrated by, Certificate No.)      Scheduled Calibration
 Power Meter        NRVD          102196             02—Mar—17 (CTTL, No.J17X01254)                           Mar—18
 Power sensor       NRV—Z5        100596             02—Mar—17 (CTTL, No.J17X01254)                           Mar—18
 Reference Probe EX3DV4           SN 7433            26—Sep—16(SPEAG,No.EX3—7433_Sep16)                       Sep—17
 DAE4                             SN 1331            19—Jan—17(CTTL—SPEAG,No.217—97015)                   Jan—18


 Secondary Standards              ID #               Cal Date(Calibrated by, Certificate No.)      Scheduled Calibration
 Signal Generator E4438C          MY49071430          13—Jan—17 (CTTL, No.J17X00286)                      Jan—18
 Network Analyzer E5071C          MY46110673          13—Jan—17 (CTTL, No.J17X00285)                      Jan—18



                                   Name                          Function                               Signature
Calibrated by:
            Y                          j
                                 Zhao Jing                      7
                                                            SAR Test     i
                                                                     Engineer                           éfu —=
                                                                                                            Tz

Reviewed by:                     Yu Zongying                SAR Test Engineer                         fS

Approved by:                       /ts
                                 Qi Dianyuan
                                                                      4
                                                            SAR Project Leader
                                                                                                       P—r%
                                                                                                   %inss ~
                                                                                                                  ~.

                                                                                      Issued: September 21, 2017 ~~_
This calibration certificate shall not be reproduced except in full without written approval of the laboratory.



    Certificate No: Z17—97148                              Page 1 of 8


                                      In Collaboration with
                                      s       p       e       a g
                                      CALIBRATION LABORATORY
        Add: No.SI Xueyuan Road, Haidian District, Beijing, 100191 , China
        Tel: +86-10-62304633-2079     Fax: +86-10-62304633 -2504
        E-mail: cttl@chinattl.com      http://www.ch inattl.cn


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


Calibration is Performed According to the Following Standards:
a) IEEE Std 1528-2013, "IEEE 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, "Measurement procedure for assessment of specific absorption rate of human
   exposure to radio frequency fields from hand-held and body-mounted wireless
   communication devices- Part 1: Device used next to the ear (Frequency range of 300MHz to
   6GHz)", July 2016
c) IEC 62209-2, "Procedure to measure the Specific Absorption Rate (SAR) For wireless
   communication devices used in close proximity to the human body (frequency range of
   30MHz to 6GHz)", March 2010
d) KDB865664, SAR Measurement Requirements for 100 MHz to 6 GHz


Additional Documentation:
e) DASY4/5 System Handbook

Methods Applied and Interpretation of Parameters:
• 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
   parallel 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.                                             .
• Electrical Delay: One-way delay between the SMA connector and the antenna feed point.
   No uncertainty required .
• SAR measured: SAR measured at the stated antenna input power.
• 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: Zl7-97148                             Page 2 of 8


                                         In Collaboration with
                                         s p           e         a g
                                         CALIBRATION LABORATORY
         Add: No.SI Xueyuan Road, Haidian District, Beijing, 100 191 , China
         Tel: +86- I0-62304633-2079     Fax: + 86- I 0-62304633-2504
         E-mai l: cttl@chinattl. com    http://www.chinattl.cn


Measurement Conditions
    DASY svstem con f1Quraf,on, as f ar as not given on page 1
      DASY Version                                            DASY52                                          52.10.0.1446

      Extrapolation                                Advanced Extrapolation

      Phantom                                      Triple Flat Phantom 5.1C

      Distance Dipole Center - TSL                            10 mm                                         with Spacer

      Zoom Scan Resolution                             dx, dy, dz = 5 mm

      Frequency                                        2450 MHz ± 1 MHz


Head TSL parameters
                 . oarameters and calculations were appr1ed.
   Th e f o II owinq
                                                              Temperature                    Permittivity           Conductivity

      Nominal Head TSL parameters                                22.0    °c                     39.2                1.80 mho/m

      Measured Head TSL parameters                         (22.0 ± 0.2)          0
                                                                                     c        38.7 ±6 %           1. 79 mho/m ± 6 %

      Head TSL temperature change during test                    < 1.0   °c                      ----                     ----

SAR result with Head TSL
                         3
   SAR averaged over 1 cm (1              g) of Head TSL                         Condition

      SAR measured                                                      250 mW input power                      13.1 mW I g

      SAR for nominal Head TSL parameters                                normalized to 1W               52.4 mW l g± 18.8 % (k=2)
                                     3
      SAR averaged over 10      cm       (10 g) of Head TSL                      Condition

      SAR measured                                                    250 mW input power                        6.08 mW I g

     SAR for nominal Head TSL parameters                                 normalized to 1W               24.3 mW lg± 18.7 % (k=2)
Body TSL parameters
                . oarameters an d ca Icu Iat1ons
  Th e f o II ow1nq                         .            r d.
                                                 were app11e
                                                              Temperature                    Permittivity          Conductivity

     Nominal Body TSL parameters                                 22.0    °c                     52.7                1.95 mho/m

     Measured Body TSL parameters                          (22 .0 ± 0.2)         0
                                                                                     c        52.5 ±6 %          1.98 mho/m ±6 %

     Body TSL temperature change during test                     <1.o    0
                                                                             c                   ----                     ----
SAR resu It WI"th BO dIY TSL
                          3
   SAR averaged over 1 cm (1              g) of Body TSL                         Condition

     SAR measured                                                     250 mW input power                        12.8mW /g

     SAR for nominal Body TSL parameters                                 normalized to 1W               50.8 mW lg± 18.8 % (k=2)

     SAR averaged over 1O      cm 3 (1 O g) of Body TSL                          Condition

     SAR measured                                                     250 mW input power                        5.94 mW I g

     SAR for nominal Body TSL parameters                                 normalized to 1W               23.6 mW lg± 18.7 % (k=2)


Certificate No: 2 17-97 148                            Page 3 of 8


                                           In Collaboration with
                                           s      p      e         a g
           Add: No.SI Xueyuan Road, Haidian District, Beijing, 100 191, China
           Tel: +86-10-62304633 -2079     Fax: +86-10-62304633-2504
           E-mai l: cttl@chinattl. com    http://www.chinattl.cn


  Appendix (Additional assessments outside the scope of CNAS L0570)

 Antenna Parameters with Head TSL

        Impedance, transformed to feed point                                    52.70+ 4.59j0

        Return Loss                                                               - 25.7dB


 Antenna Parameters with Body TSL

        Impedance, transformed to feed point                                    49.20+ 4.46j0

        Return Loss                                                               - 26 .8dB


 General Antenna Parameters and Design

        Electrical Delay (one direction)                                          1.269 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 conductor of the feeding line is directly
 connected to the second arm of the dipole. The antenna is 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 or the soldered
 connections near the feedpoint may be damaged.



 Additional EUT Data

    J   Manufactured by                                                              SPEAG




Certificate No: Z l7-97 148                              Page 4 of&


          4O                          |n Collaboration with
          =/"[‘J, a
          ~\lmazyy»"                  CALIBRATION LABORATORY
        Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China
        Tel: +86—10—62304633—2079     Fax: +86—10—62304633—2504
        E—mail: cttl@chinattl.com       http:/www.chinattl.cn


DASYS5 Validation Report for Head TSL                                    Date: 09.18.2017
Test Laboratory: CTTL, Beijing, China
DUT: Dipole 2450 MHz; Type: D2450V2; Serial: D2450V2 — SN: 736
   Communication System: UID 0, CW; Frequency: 2450 MHz; Duty Cycle: 1:1
   Medium parameters used: £= 2450 MHz; 0 = 1.788 S/m; sr = 38.67; p = 1000 kg/m3
   Phantom section: Left Section
   Measurement Standard: DASYS (IEEE/IEC/ANSI €63.19—2007)
DASYS Configuration:

            *    Probe: EX3DV4 — SN7433; ConvF(7.45, 7.45, 7.45); Calibrated: 9/26/2016;
            e    Sensor—Surface: 1.4mm (Mechanical Surface Detection)
            e    Electronics: DAE4 Sn1331; Calibrated: 1/19/2017
            *«   Phantom: Triple Flat Phantom 5.1C; Type: QD 000 P51 CA; Serial: 1161/1
            &    Measurement SW: DASY52, Version 52.10 (0); SEMCAD X Version 14.6.10
                 (7417)

        Dipole Calibration/Zoom Scan (7x7x7) (7x7x7)/Cube 0: Measurement grid: dx=5mm,
        dy=5mm, dz=5mm
        Reference Value = 102.3 V/m; Power Drift =—0.03 dB
        Peak SAR (extrapolated) = 27.8 W/kg
        SAR(I g) =13.1 W/kg; SAR(10 g) = 6.08 W/kg
        Maximum value of SAR (measured) =22.1 W/kg


           dB
           0

            ~4.54


            —9.08


            ~13.61


            18.15


            —22.69

                      0 dB =22.1 W/kg =13.44 dBW/kg




Certificate No: Z17—97148                            Page 5 of 8


                                      In CoUaboration with
                                      s       p         e      a g
                                      CALIBRATION LABORATORY
        Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191 , China
        Tel: +86-10-62304633-2079     Fax: +86-10-62304633-2504
        E-mail: cttl@chinattl. com     http://www.chinattl.cn




        Impedance Measurement Plot for Head TSL


          Trl Sll Log Mag 10. 00dB/ Ref O.OOOdB [Fl]
           50.00
                   ! >1 2.4500000 GHZ -25 . 742 dB
           40 . 00

            30 . 00
            20 . 00

           10 . 00

           0.000
          -10 . 00



            ~0. 00

           40. 00

          50. uO
        ~ - Sll smith (R+j X) Scale 1.000U [Fl De1]
           >l   2.4500000 GHZ   52. 657 0   4. 5920 0   298_:J..0-1'fl -   -._- ~
                                                         /
                                                  //                                ·~


                                                                                         "\

                                                                                          \

        1 Start 2.25 Ga _ _ _ _ _ _ _ _ _ _ _ __                IFBW 100Hz                    Stop 2.65 GHz   111 1




Certificate No: Z17-97148                               Page6of8


                                      in Collaboration with
          [
          =TTL                        s        p       e       a     q
          y                           CALIBRATION LABORATORY
        Add: No.51 Xucyuan Road, Haidian District, Beijing, 100191, China
        Tel: +86—10—62304633—2079      Fax: +86—10—62304633—2504
        E—mail: cttl@chinattl.com         http://www.chinattl.on


DASYS5 Validation Report for Body TSL                                       Date: 09.18.2017
Test Laboratory: CTTL, Beijing, China
DUT: Dipole 2450 MHz; Type: D2450V2; Serial: D2450V2 — SN: 736
   Communication System: UID 0, CW; Frequency: 2450 MHz; Duty Cycle: 1:1
   Medium parameters used: £= 2450 MHz; 0 = 1.983 S/m:; & = 52.51; p = 1000 kg/m‘
   Phantom section: Center Section
   Measurement Standard: DASYS (IEEE/IEC/ANSI €63.19—2007)
DASYS5 Configuration:

            +    Probe: EX3DV4 — SN7433; ConvF(7.46, 7.46, 7.46); Calibrated: 9/26/2016;
            e    Sensor—Surface: 1.4mm (Mechanical Surface Detection)
            e    Electronics: DAE4 Sn1331; Calibrated: 1/19/2017
            &    Phantom: Triple Flat Phantom 5.1C; Type: QD 000 P51 CA; Serial: 1161/1
            e    Measurement SW: DASY52, Version 52.10 (0); SEMCAD X Version 14.6.10
                 (7417)

        Dipole Calibration/Zoom Scan (7x7x7) (7x7x7)/Cube 0: Measurement grid: dx=5mm,
        dy=5mm, dz=5mm
        Reference Value = 99.56 V/m; Power Drift = —0.00 dB
        Peak SAR (extrapolated) =27.1 W/kg
        SAR(I g)=12.8 W/kg; SAR(10 g) = 5.94 W/kg
        Maximum value of SAR (measured) = 21.7 W/kg


           dB
           0


            —4.42


            —8.84


            —13.25


            417.67
                          i.
            —22.09

                       0 dB =21.7 W/kg = 13.36 dBW/kg




Certificate No: Z17—97148                              Page 7 of 8


                                             In Collaboration with
                                             s       p            e        a g
                                             CALIBRATION LABORATORY
        Add: No.5 1 Xueyuan Road, Haidian Di strict, Beijing, 10019 1, China
        Tel: +86-1 0-62304633-2079      Fax: +86- 10-62304633 -2504
        E-mail: cttl@chinattl.com       http://www. ch inattl.en


            Impedance Measurement Plot for Body TSL


             Trl 511 Log Mag 10 . 00dB/ Ref O. OOOdB [Fl]-                                - ---------
               ~0 - 00    >l   2.4500000 GHZ -26 . 81 9 dB
               40 . 00

               30 . 0 0

               20. 00

               10. 00

               0.000




              -4 0. 00

              , o.oo                                                       - -- - --,,--.- - - - - - - - -- -- - - - - -
            ~ - sll smith (R+j X) seal e 1. ooou [Fl oel]
              >1    2.4500000 GHZ     49 . 225 0   4.4634 0        289 . ~.5-plf"~



        I                                                     I
                                                                  ,//                         '\   \
        '

        I                                              /                                               \
        '                                              \ f--;
        1 Start 2.25 GHz
                                                                  ~         IFBW 100 Hz
                                                                                          /                  Stop 2.65 GHz   Ill !




Certificate No: 217-97148                                         Page 8 of8


                 mm® in Collaboration with                                       §‘$\I_J/u/"”z,                      PBEnf
               m   ‘/"/ "/                                                      is            7                      EF4A
               Cmm                      “

                                                                                 7           y p" CALIBRATION
            Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China    %4@;&‘                              CNAS LO570
            Tel: +86—10—62304633—2218       Fax: +86—10—62304633—2209
            E—mail: cttl@chinattl.com       Http://www.chinattl.cn
      Client :        sporton                                                   Certificate No: Z17—97055




Object                                   DAE4 — SN: 854


Calibration Procedure(s)                  FF—211—002—01

                                          Calibration Procedure for the Data Acquisition Electronics
                                          (DAEx)

Calibration date:                         May 02, 2017

This calibration Certificate documents the traceability to national standards, which realize the physical units of
measurements(Sl). The measurements and the uncertainties with confidence probability are given on the following
pages and are part of the certificate.


All calibrations have been conducted in the closed laboratory facility: environment temperature(22+3)‘C and
humidity<70%.


Calibration Equipment used (M&TE critical for calibration)

Primary Standards               ID #           Cal Date(Calibrated by, Certificate No.)           Scheduled Calibration



Process Calibrator 753       1971018               27—June—16 (CTTL, No:J16X04778)                         June—17




                                Name                      Function                                   Signature
Calibrated by:                   Yu Zongying              SAR Test Engineer                           %

Reviewed by:                     Lin Hao                 SAR Test Engineer                            ‘fi@%

Approved by:                     Qi Dianyuan              SAR Project Leader                  _—%/
                                                                                             Issued: May 03, 2017
This calibration certificate shall not be reproduced except in full without written approval of the laboratory.




     Certificate No: Z17—97055                               Page 1 of 3


         _A®                       In Collaboration with
        =‘/"[‘]
        ~iigaage»""
                    a
                    CALIBRATION LABORATORY
       Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China
       Tel: +86—10—62304633—2218      Fax: +86—10—62304633—2209
       E—mail: cttl@chinattl.com        Http:/www.chinattl.on



Glossary:
DAE                            data acquisition electronics
Connector angle                 information used in DASY system to align probe sensor X
                               to the robot coordinate system.


Methods Applied and Interpretation of Parameters:
e DC Voltage Measurement. Calibration Factor assessed for use in DASY
   system by comparison with a calibrated instrument traceable to national
   standards. The figure given corresponds to the full scale range of the
   voltmeter in the respective range.

e   Connector angle: The angle of the connector is assessed measuring the
    angle mechanically by a tool inserted. Uncertainty is not required.

e   The report provide only calibration results for DAE, it does not contain other
    performance test results.




Certificate No: Z17—97055                                  Page 2 of 3


          mm©                     in Collaboration with

        =‘7/"7‘J,
          aage>"
                  s p e a q      CALIBRATION LABORATORY
       Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China
       Tel: +86—10—62304633—2218      Fax: +86—10—62304633—2209
       E—mail: cttlt@chinattl.com     Http:/www.chinattl.on



DC Voltage Measurement
   A/D — Converter Resolution nominal
      High Range:     1LSB =      6.A1uV ,    full range =    —100...+300 mV
      Low Range:     1LSB =        61nvV ,    full range =    ~1.22222. +3mV
   DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec


     Calibration Factors                    X                              Y                   Z.
     High Range                  405.005 + 0.15% (k=2)         404.208 + 0.15% (k=2)   405.318 + 0.15% (k=2)

     Low Range                   3.96053 + 0.7% (k=2)          3.94760 + 0.7% (k=2)    3.96516 + 0.7% (k=2)


Connector Angle

    Connector Angle to be used in DASY system                                               325.5° +1 °




Certificate No: Z17—97055                                 Page 3 of 3


   a    a                                                             s19p,
Calibration Laboratory of                                           Sz                                       G      Schweizerischer Kalibrierdienst
      ;                                                            SA /E
Schmid & Partner                                                  i‘a\fifi                                     C     Service suisse d‘étatonnage
   Engineering AG                                                  2 _4                                      s     Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                        '»,,//,\\\w\e                                  Swiss Calibration Service
                                                                       artitabs

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

Client       Sporton (Auden)                                                                     Certificate No: EX3—3925_May17


CALIBRATION CERTIFICATE
Object                                 EX3DV4 — SN:3925


Calibration procedure(s)               QA CAL—01.v9, QA CAL—14.v4, QA CAL—23.v5, QA CAL—25.v6
                                       Calibration procedure for dosimetric E—field probes


 Calibration date:                     May 24, 2017

 This calibration certificate documents the traceability to national standards, which realize the physical units of measurements (81).
 The measurements and the uncertainties with confidence probability are given on the following pages and are part of the certificate.


 All calibrations have been conducted in the closed laboratory facility: environment temperature (22 x 3)°C and humidity < 70%.


 Calibration Equipment used (M&TE critical for calibration)


 Primary Standards                    ID                                Cal Date (Certificate No.)                     Scheduled Calibration
 Power meter NRP                      SN: 104778                        04—Apr—17 (No. 217—02521/02522)                Apr—18
 Power sensor NRP—291                 SN: 108244                        04—Apr—17 (No. 217—02521)                      Apr—18
 Power sensor NRP—291                 SN: 103245                        04—Apr—17 (No. 217—02525)                      Apr—18
 Reference 20 dB Aftenuator           SN: S5277 (20x)                   07—Apr—17 (No. 217—02528)                      Apr—18
 Reference Probe ES3DV2               SN: 3013                          31—Dec—16 (No. ES3—3013_Dec16)                 Dec—17
 DAE4                                 SN: 660                           7—Dec—16 (No. DAE4—660_Dec16)                  Dec—17

 Secondary Standards                  ID                                Check Date (in house)                          Scheduled Check
 Power meter E44198                   SN: GB41293B874                   06—Apr—16 (in house check Jun—16)              In house check: Jun—18
 Power sensor E4412A                  SN: MY41498087                    06—Apr—16 (in house check Jun—16)              In house check: Jun—18
 Power sensor E4412A                  SN: 000110210                     06—Apr—16 (in house check Jun—16)              In house check: Jun—18
 RF generator HP 8648C                SN: US3642U01700                  04—Aug—99 (in house check Jun—16)              In house check: Jun—18
 Network Analyzer HP 8753E            SN: US37390585                     18—0ct—01 (in house check Oct—16)             In house check: Oct—17

                                           Name                                   Function                               Signature
 Calibrated by:                         Jeton Kastrati                            Laboratory Technician     ‘—/‘f «C m /j
                                                                                                                       L/ /
                                                                                                                          L 3.



 Approved by:                           Katja Pokovie                             Technical Manager                t     _:     * 4:; C
                                                                                                            j—      wC               S


                                                                                                                        Issued: May 30, 2017
 This calibration certificate shall not be reproduced except in full without written approval of the laboratory.




Certificate No: EX3—3925_May17                                        Page 1 of 11


Calibration Laboratory of                                                                g    Schweizerischer Kalibrierdienst
Schmid & Partner                                                                              Service suisse d‘étalonnage
  Engineering AG                                                                              Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                                                  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
NORMx,y,z                    sensitivity in free space
ConvF                        sensitivity in TSL / NORMx,y,z
DCP                          diode compression point
CF                           crest factor (1/duty_cycle) of the RF signal
A, B,C, D                    modulation dependent linearization parameters
Polarization q               @ rotation around probe axis
Polarization 8               8 rotation around an axis that is in the plane normal to probe axis (at measurement center),
                             ie., 9 = 0 is normal to probe axis
Connector Angle              information used in DASY system to align probe sensor X to the robot coordinate system

Calibration is Performed According to the Following Standards:
    a)    IEEE Std 1528—2013, "IEEE 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)   {EC 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
     ©)   IEC 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"

Methods Applied and Interpretation of Parameters:
          NORMx,y,z: Assessed for E—field polarization 9 = 0 (f < 900 MHz in TEM—cell; f> 1800 MHz: R22 wavegwde)
          NORMx,y,z are only intermediate values, i.e., the uncertainties of NORMx,y,z does not affect the E*—field
          uncertainty inside TSL (see below ConvF).
          NORM(®)x,y,z = NORMx,y,z * frequency_response (see Frequency Response Chart). This linearization is
          implemented in DASY4 software versions later than 4.2. The uncertainty of the frequency response is included
          in the stated uncertainty of ConvF.
          DCPx,y,z: DCP are numerical linearization parameters assessed based on the data of power sweep with CW
          signal (no uncertainty required). DCP does not depend on frequency nor media.
          PAR: PAR is the Peak to Average Ratio that is not calibrated but determined based on the signal
          characteristics
          Axy.z Bxy,2; Cxy.z; Dx.y,z; VRx,y,z: A, B, C, D are numerical linearization parameters assessed based on
          the data of power sweep for specific modulation signal. The parameters do not depend on frequency nor
          media. VR is the maximum calibration range expressed in RMS voltage across the diode.
          ConvF and Boundary Effect Parameters: Assessed in flat phantom using E—field (or Temperature Transfer
          Standard for f < 800 MHz) and inside waveguide using analytical field distributions based on power
          measurements for f > 800 MHz. The same setups are used for assessment of the parameters applied for
          boundary compensation (alpha, depth) of which typical uncertainty values are given. These parameters are
          used in DASY4 software to improve probe accuracy close to the boundary. The sensitivity in TSL corresponds
          to NORMx,y,z * ConvF whereby the uncertainty corresponds to that given for ConvF. A frequency dependent
          ConvF is used in DASY version 4.4 and higher which allows extending the validity from * 50 MHz to + 100
          MHz.
          Spherical isotropy (3D deviation from isotropy): in a field of low gradients realized using a flat phantom
          exposed by a patch antenna.
          Sensor Offset: The sensor offset corresponds to the offset of virtual measurement center from the probe tip
          (on probe axis). No tolerance required.
          Connector Angle: The angle is assessed using the information gained by determining the NORMx (no
          uncertainty required).


Certificate No: EX3—3925_May17                                  Page 2 of 11


EX3DV4 — SN:3925                                                                May 24, 2017




                                  Manufactured:            March 8, 2013
                                  Calibrated:              May 24, 2017



                                 Calibrated for DASY/EASY Systems
                                    {Note: non—compatible with DASY2 system!}




Certificate No: EX3—3825_May17                    Page 3 of 11


EXxX3OV4— SN:3925                                                                                                                 May 24, 2017




DASY/EASY — Parameters of Probe: EX3DV4 — SN:3925
Basic Calibration Parameters
                                                Sensor X                         Sensor Y            |       Sensor Z              Une (k=2)
 Norm {aViVim)*)*                                  0.57                           0.50                          0.48               #10.1 %
 DCP (my}"                                         96.1.___   _                   97.8                         100.0

Modulation Calibration Parameters
 UID           Communication System Name                                    A            B           C          D          VR          Unc"
                                                                           dB        dBvu¥y                    aB          my          (k=2)
 0             CW                                                 X        0.0           0.0        1.0        0.00       145.7       +3.0 %
                                                                  y        0.0           0.0        1.0                   147.7
                                                                  Z.       0.0           0.0        1.0                   149.4


 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%.


* The uncertaintes of Norm X.Y,Z do not affect the E*—field uncertainty inside TSL (see Pages 5 and 6).
® Numerical finearization parameter: uncertainty not required.
© Uncertainty is determined using the max. deviation from linear response applying rectangular distribution and is expressed for the square of the
field value.




Certificate No: EX3—3925_May17                                     Page 4 of 11


EX3DV4— SN:3925                                                                                                                May 24, 2017




DASY/EASY — Parameters of Probe: EX3DV4 — SN:3925


Calibration Parameter Determined in Head Tissue Simulating Media
                       Relative         Conductivity                                                                BDepth ®         Une
     f{(MHz)®       Permittivity®           (S/im)"         ConvFX        ConvFY         ComnvFZ       Aipha®        ({mm)           (k=2)

        750              41.9                0.89             10.82         10.82          10.82         0.48         0.91        #12.0 %

        835              41.5                 0.90            10.41         10.41          10.41         0.52         0.80        #12.0 %

        900              41.5                 0.97            10.14         10.14          10.14         0.48         0.80        #12.0 %

       1750              40.1                 1.37            9.00           9.00          9.00          0.32         0.85        #12.0 %

       1800              40.0                 1.40            8.73           8.73          8.73          0.34         0.84        + 12.0 %

       2000              40.0                 1.40            8.8623         8.63          8.83          0.38         0.80        £12.0 %

       2450              39.2                 1.80            7.85           7.805         7.85          ©.39         0.80        #12.0 %

       2600              39.0                 1.96            7.61           7.61          7.61          0.35         0.85        #12.0 %

       3500               37.9                2.91            7.56           7.56          7.56          0.24         1.20        #13.1 %

       5250               35.9               4.71              5.36          5.36          5.36          0.35         1.80        £13.1 %

       5600               35.5                5.07            4.72           4.72          4.72          0.40         1.80        € 13414 %

       5750               35.4                5.22            4.87           4.87          4.87          040          1.80        #13.1 %


© Frequency validity above 3400 MHz of + 100 MHz only applies for DASY v4.4 and higher (see Page 2), else it is restricted to + 50 MHz. The
uncertainty is the RSS of the ConyvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity
below 300 MHz is £ 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency
validity can be extended to % 110 MHz.
" At frequencies below 3 GHz, the validity of tissue parameters (s and a} can be relaxed to * 10%if liquid compensation formula is applied to
measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters {e and 0) is restricted to £ 5%., The uncertainty is the RSS of
the ConvF uncertainty for indicated target tissue parameters.
* Alpha/Depth are determined during callbration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is
always less than + 1% for frequencies below 3 GHz and below+ 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip
diameter from the boundary.




Certificate No: EX3—3925_May17                                    Page 5 of 11


EX3DV4— SN:3925                                                                                                               May 24, 2017



DASY/EASY — Parameters of Probe: EX3BDV4 — SN:3925


Calibration Parameter Determined in Body Tissue Simulating Media
                      Relative          Conductivity                                                               Bepth *           Une
     f{(MHzy®       Permittivity®          (Sim}"           ConvF X       GonvE Y¥      ConvFZ        Alipha®       {mm}            (k=2}

        750              55.5                0.96            10.56          10.56         10.586        0.40         0.93        £12.0 %

        835              55.2                0.97             10.29         10.29         10.28         0.42         0.91        *# 12.0 %

        800              55.0                1.05            10.18          10.18         10.18         0.48         0.83        #12.0 %

       1750              53.4                 1.49            8.51          8.51           8.51         0.45         0.80        £12.0 %
       1900              53.3                 1.52            8.25          8.25           §.25         0.37         0.80        #12.0 %

       2000              53.3                 1.52            8 42          8.42           8.42         0.40         0.82        + 12.0 %
       2450              52.7                 1.95            7.94          7.94           7.94         0.35         0.85        £12.0 %
       2500              52.5                2.16             7.65          7.68           7.68         0.32         .95         + 12.0 %

       3500              §1.3                3.31             715           715            715          0.45         0.95        #13.4 %

       5250              498.9               5.36             4.59          4.59           4.59         0.45         1.90        *13.1 %
       5600              48.5                5.77             4.17          4.A7           417          0.50         1.30        #134 %
       5750              48.3                5.94             4.14          4.14           414          0.50         1.90        £13.1 %


© Frequency validity above 300 MHz of 4 100 MHz only applies for DASY v4.4 and higher (see Page 2), eise it is restricted to 4 50 MHz. The
uncertainty is the RSS of the ConvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity
below 300 MHz is + 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency
validity can be extended to * 110 MHz.
" At frequencies below 3 GHz, the validity of tissue parameters (s and a) can be relaxed to # 10%if liquid compensation formula is applied to
measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters (s and a) is restricted to * 5%. The uncertainty is the RSS of
the ConvF uncertainty for indicated target tissue parameters.
° Aipha/Depth are determined during calibration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is
always less than + 1% for frequencies below 3 GHz and below # 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip
diameter from the boundary.




Certificate No: EX3—3925_May17                                   Page 6 of 11


EX3DV4— SN:3925                                                                                                    May 24, 2017



                                                       Frequency Response of E—Field
          Frequency response (normalized)                   (TEM—Cell:ifi110 EXX, Waveguide: R22)




                                            0.5
                                                                                             2000
                                                  o




                                                      Uncertainty of Frequency Response of E—field: £ 6.3% (k=2)




Certificate No: EX3—3925_May17                                               Page 7 of 11


EX3DV4— SN:3925                                                                                                                                         May 24, 2017




                                             Receiving Pattern (¢), 8 = 0°

                               f=600 MHz,TEM                                                        f=1800 MHz,R22
                                        ie                                                                       sn




            mo                                                 C                  ho       *                 f                                 *
                                                                                                                                  d     0          o8




                           *            a                                                                        «


                      as                            sis                                  zes                *4               P                 zis

                                       Ar                                                                            c
             «                   ®             ®               ®                   #                    ®                         ®                       ®
            Tot                  xX            Y               Z                  Tot                   X                         Y                       2




            054.
       g         n
      o 0048
       t         *E
       it        L
            o
            &
            i




                                                                           d                       50                    If‘e(l                    150
                                                                         Rol[*]
                                                          [#                                   a                                         # |
                                                    ecmlnz                              13®T.=|Hz                                     2500MHz

                                      Uncertainty of Axial Isotropy Assessment: £ 0.5% (k=2)




Certificate No: EX3—3925_May17                                     Page 8 of 11


EX3DV4—— SN:3925                                                                                           May 24, 2017




                                      Dynamic Range f(SARneaq)
                                         (TEM cell , fevai= 1900 MHz)




                        105_




                   5    10%
                   3
                   T
                   C
                   .9
                   W
                   3
                   8 108



                         102




                                                      ie            i      "—             j
                             108         102         10"           10°     10            102         108
                                                           SAR [mW/icm3]
                                                4
                                        not compensated                      compensated




                        a
                        IZ

                        6
                        us



                               10>        107        10           10¢      101         102     103
                                                           SAR [mW/cm3]
                                                *|                               [®]
                                         not compensated                   compensated


                                     Uncertainty of Linearity Assessment: £ 0.6% (k=2)




Certificate No: EX3—3925_May17                             Page 9 of 11


EX3DV4— SN:3925                                                                                                                                                      May 24, 2017


                                               Conversion Factor Assessment
                  f= 835 MHz,WGLS RY (H_convF)                                                                   1= 1900 MHz,WGLS R22 (H_convF)




         3                                                                                            30



         30



      z*                                                                                          z

         18                                                                                                t
                                                                                                      m
         10



         35



         dBL                                          tw                    1                          #1                                   fqame                     n
              0   8      10               it      2        m        ~           us     an                  c      &       it         16         %    7       a             ac
                                                2 |mon                                                                                     x {mng
                                                                    #)                                                    »                                  *#
                      mranieal                                    resswed                                               woyire                            weasiced




                                          Deviation from Isotropy in Liquid
                                                                     Error (6, 9), £= 900 MHz
                              Deviation




                                      ~1.0      —0.8       —0.6      —C.4            —02    0.0            0.2    0.4          0.6        0.8       1.0
                                          Uncertainty of Spherical Isotropy Assessment: £ 2.6% (k=2)




Certificate No: EX3—3925_May17                                                        Page 10 of 11


EX3DV4—— SN:3925                                             May 24, 2017




DASY/EASY — Parameters of Probe: EX3DV4 — SN:3925

Other Probe Parameteors
 Sensor Arrangement                                          Triangular
 Connector Angle (°}                                               92.4
 Mechanical Surface Detection Mode                             enabled
 Optical Surface Detection Mode                                disabled
 Probe Overall Length                                          337 mm
 Probe Body Diameter                                             10 mm
 Tip Length                                                       9 mm
 Tip Diameter                                                   2.5 mm
 Probe Tip to Sensor X Calibration Point                          1 mm
 Probe Tip to Sensor Y Calibration Point                          1 mm

 Probe Tip to Sensor Z Calibration Point                          1 mm
 Recommended Measurement Distance from Surface                  1.4 mm




Certificate No: EX3—3825_May17               Page 11 of 11



Document Created: 2018-04-03 07:40:26
Document Modified: 2018-04-03 07:40:26

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