I19Z60740-SEM01_SAR_Rev3_part3

FCC ID: ZNFX120HM

RF Exposure Info

Download: PDF
FCCID_4335885

TTL                                                                                                        F
V




Calibration
      t     Laboratory of                                                                 .    Schweizerischer Kalibrierdienst
Schm[d & Partner                                                                          ;    Service suisse d‘étalonnage
  Engineering AG                                                                               Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                                              S swiss Catibration 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 Agreementfor the recognition of calibration certificates


References
[1]       ANSi—Cé3.19—2011
          American National Standard, Methods of Measurement of Compatibility between Wireless Communications
          Devices and Hearing Aids.
Methods Applied and Interpretation of Parameters:
      *   Coordinate System: y—axis is in the direction of the dipole arms. z—axis is from the basis of the antenna
          (mounted on the table) towards its feed point between the two dipole arms. x—axis is normal to the other axes.
          in coincidence with the standards [1], the measurement planes (probe sensorcenter) are selected to be at a
          distance of 15 mm above thetop metal edge of thedipole arms.
      *   Measurement Conditions: Further details are available from the hardcopiesat the end of the certificate. All
          figures stated in the certificate are valid at the frequencyindicated. The forward powerto the dipole connector
          is set with a calibrated power meter connected and monitored with an auxiliary power meter connected to a
          directional coupler. While thedipole under test is connected, the forward power is adjusted to the same level.
      *   Antenna Positioning: The dipole is mounted on a HAC Test Arch phantom using the matching dipole
          positioner with the arms horizontal and the feeding cable coming from the floor. The measurements are
          performed in a shielded room with absorbers around the setup to reduce the reflections.
          It is verified before the mounting of the dipole under the Test Arch phantom, that its armsare perfectly in a
          line. It is installed on the HAC dipole positioner with its arms parallel below the dielectric reference wire and
          able to move elastically in vertical direction without changing its relative position to the top center of the Test
          Arch phantom. The vertical distance to the probeis adjusted after dipole mounting with a DASY5 Surface
          Check job. Before the measurement, the distance between phantom surface and probe tip is verified. The
          proper measurement distanceis selected by choosing the matching section of the HAC Test Arch phantom
          with the proper device reference point (upper surface of the dipole) and the matching grid reference point (tip
          of the probe) considering the probe sensor offset. The vertical distanceto the probe is essential for the
          accuracy.

      *   Feed Point Impedance and Return Loss: These parameters are measured using a HP 8753E Vector Network
          Analyzer. The impedance is specified at the SMA connector of thedipole. The influenceof reflections was
          eliminating by applying the averaging function while moving the dipole in the air, at least 70cm away from any
          obstacles.
      *   E—field distribution: E field is measured in the x—y—plane with an isotropic ERSD—field probe with 100 mW
          forward power to the antenna feed point. In accordance with [1], the scan areais 20mm wide, its length
          exceeds the dipole arm length (180 or 9Omm). The sensor center is 15 mm (in z) above the metal top of the
          dipole arms. Two 3D maxima are available near the end of thedipole arms. Assuming the dipole arms are
          perfectly in one line, the average of these two maxima(in subgrid 2 and subgrid 8) is determined to
          compensate for any non—parallelity to the measurement plane as well as the sensor displacement. The E—field
          value stated as calibration value represents the maximum of the interpolated 3D—E—field, in the plane above
          the dipole surface.




 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: CD835V3—1023_Aug18                     Page 2 of 5


©
Measurement Conditions
   DASY system configuration, as far as not given on page 1.
     DASY Version
     Phantom
     Distance Dipole Top — Probe Center
                                                                DASY5
                                                            HAC Test Arch
                                                                15 mm
                                                                                                 V52.10.1




     Scan resolution                                        dx, dy = 5 mm
     Frequency                                          835 MHz +1 MHz
     Input power drift                                         <0.05 dB


Maximum Field values at 835 MHz

     E—field 15 mm above dipole surface                           condition           Interpolated maximum
     Maximum measured above high end                         100 mW input power       111.0 V/im=40.91 dBV/m
     Maximum measured above low end                          100 mW input power       109.6 V/m = 40.80 dBV/m
     Averaged maximum above arm                              100 mW input power       110.3 V/im £ 12.8 % (k=2)



Appendix (Additional assessments outside the scope of SCS 0108)

Antenna Parameters

     Frequency                                                   Return Loss                 Impedance
     800 MHz                                                        18.1 dB                 42.6 0 — 9.0 jQ
     835 MHz                                                        23.3 dB                 53.6 Q + 6.1 jQ
     880 MHz                                                        15.6 dB                 65.0 Q — 11.8 jQ
     900 MHz                                                        17.7 dB                 53.6 Q — 13.1 jQ
     945 MHz                                                        25.0 dB                 46.5 Q + 4.1 jQ



3.2 Antenna Design and Handling

The calibration dipole has a symmetric geometry with a built—in two stub matching network, which leads to the
enhanced bandwidth.
The dipole is built of standard semirigid coaxial cable. The internal matching line is open ended. The antenna is
therefore open for DC signals.
Do not apply force to dipole arms, as they are liable to bend. The soldered connections near the feedpoint may be
damaged. After excessive mechanical stress or overheating, check the impedance characteristics to ensure that the
internal matching network is not affected.

After long term use with 40W radiated power, only a slight warming of the dipole near the feedpoint can be measured.




Certificate No: CD835V3—1023_Aug18            Page 3 of 5




                                                                                  ~o~ use    >        —


©
Impedance Measurement Plot




     File Yiew     Channel   Sweep Calbration   Trace   Scale Marker System Window       Help
      10.00                                                                                          800.000000 MHz         —18.052 0B
                                                                                                      3500000 Mss            23 283 40
      5.00
                                                                                                     820.000000 MHz         ~15.635 0B
       0.00
      5.00                                                                           c   77 Ramee
                                                                                            &        sds                    25 NALdR

      F10.00
      F15.00

      F20.00
      L25.00
      30.00
      35.00
      L40 .00    Ch 1 Avg= |20
          Ch1: Start 335.000 MHz   ——                                                                             Stop 1.33500 GHz

                                                                                                1:   800.000000 MHz          42614 0
                                                                                                           22.098 pF         —3.0028
                                                                                           >20       $35.000000 MHz          53.633 0
                                                                                                           1.1658nH          8.1164 0
                                                                                            3:       880.000000 MHz          64.993 0
                                                                                                            15.268 pF        1.846 0
                                                                                            4:       900.000000 MHz          53.610 2
                                                                                                            13.516 pF        13.084 0
                                                                                            5:       $45.000000 MHz           46 466
                                                                                                           689.85 pH          4.0961 A




                 Ch1Avg= 20
          Chi: Start 335.000 MHe   ——                                                                             Stop 1.33500 GHz


       Status     CH 1:                         C" 1—Port            Avg=20 Delay                                           LCL




Certificate No: CD835V3—1023_Aug18                  Page 4 of 5




                                                                                          ~o~ ucce          >           —


DASY5 E—field Result

                                                                                                     Date: 28.08.2018

Test Laboratory: SPEAG Lab2

DUT: HAC—Dipole 835 MHz; Type: CD835V3; Serial: CD835V3 — SN: 1023

Communication System: UID 0 — CW ; Frequency: 835 MHz
Medium parameters used: 0 = 0 $/m, & = 1; p = 0 kg/m?
Phantom section: RF Section
Measurement Standard: DASY5 (IEEE/IEC/ANSI C63.19 —2011)


DASY52 Configuration:

    *   Probe: EF3DV3 — SN4013; ConvF(1, 1, 1) @ 835 MHz; Calibrated: 05.03.2018
    e   Sensor—Surface: (Fix Surface)
    e   Electronics: DAE4 Sn781; Calibrated: 17.01.2018
    *   Phantom: HAC Test Arch with AMCC; Type: SD HAC PO1 BA; Serial: 1070
    e   DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439)



Dipole E—Field measurement @ 835MHz/E—Scan — 835MHz d=15mm/Hearing Aid Compatibility Test (41x361x1):
Interpolated grid: dx=0.5000 mm, dy=0.5000 mm
Device Reference Point: 0, 0, —6.3 mm
Reference Value = 132.3 V/m; Power Drift =—0.03 dB
Applied MIF = 0.00 dB
RF audio interference level = 40.91 dBV/m
Emission category: M3
                                            MIF scaled E—field

                                            Grid 1 M3      Grid 2 M3   Grid 3 M3
                                            40.37 dBV/m 40.8 dBV/m     140.73 dBV/m

                                            Grid 4 M4                  Grid 6 M4
                                            35.58 dBV/m                35.91 dBV/m

                                            Grid 7 M3      Grid 8 M3   Grid 9 M3
                                            40.56 dBV/m 40.91 dBV/m |40.85 dBV/m




              —1.94


              ~3.89


               5.83

               —7.18


               .72
                         0 dB = 111.0 V/m = 40.91 dBV/m




Certificate No: CD835V3—1023_Aug18                 Page 5 of 5




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    F     M                                                        al199y
Callbll'atlon Laboratory of                                      i\\\‘&///’z}                                g Schweizerischer Kalibrierdienst
Schmid & Partner                                                 M                                           c Service suisse d‘étalonnage
  Engmeerlng AG                                                  gre                                              Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                      "/,,/’///I\\\‘\\\\?                        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 Agreementfor the recognition of calibration certificates

Client       CTTL (Auden)                                                                        Certificate No: D1750V2—1003_Jul18

CALIBRATION CERTIFICATE
 Object                                D1750V2 — SN:1003


 Calibration procedure(s)              QA CAL—05.v10
                                       Calibration procedure for dipole validation kits above 700 MHz



 Calibration date:                     July 20, 2018


 This calibration certificate documents the traceability to national standards, which realize the physical units of measurements (S1).
 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 (Certificate No.)                            Scheduled Calibration
 Power meter NRP                        SN: 104778                04—Apr—18 (No. 217—02672/02673)                       Apr—19
 Power sensor NRP—Z91                   SN: 103244                04—Apr—18 (No. 217—02672)                             Apr—19
 Power sensor NRP—Z91                   SN: 103245                04—Apr—18 (No. 217—02673)                             Apr—19
 Reference 20 dB Attenuator             SN: 5058 (20k)            04—Apr—18 (No. 217—02682)                             Apr—19
 Type—N mismatch combination            SN: 5047.2 / 06327        04—Apr—18 (No. 217—02683)                             Apr—19
 Reference Probe EX3DV4                 SN: 7349                  30—Dec—17 (No. EX3—7349_Dec17)                        Dec—18
 DAE4                                   SN: 601                   26—Oct—17 (No. DAE4—601_Oct17)                        Oct—18


 Secondary Standards                    ID #                      Check Date (in house)                                 Scheduled Check
 Power meter EPM—442A                   SN: GB37480704            07—Oct—15 (in house check Oct—16)                     In house check: Oct—18
 Power sensor HP 8481A                  SN: US37292783            07—Oct—15 (in house check Oct—16)                     In house check: Oct—18
 Power sensor HP 8481A                  SN: MY41092317            07—Oct—15 (in house check Oct—16)                     In house check: Oct—18
 RF generator R&S SMT—06                SN: 100972                15—Jun—15 (in house check Oct—16)                     In house check: Oct—18
 Network Analyzer Agilent E8358A        SN: US41080477            31—Mar—14 (in house check Oct—17)                     In house check: Oct—18


                                        Name                                      Function                              Signature
 Calibrated by:                         Manu Seitz                                Laboratory Technician                             +



 Approved by:                           Katia Pokovic                             Technical Manager               %g



                                                                                                                       Issued: July 20, 2018
 This calibration certificate shall not be reproduced exceptin full without written approval of the laboratory.


Certificate No: D1750V2—1003_Jul18                                    Page 1 of 8




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callb'.'atlon Laboratory of                                 s\“\\\_//\//"/,;         S     Schweizerischer Kalibrierdienst
Schmid & Partner                                           M                         c     Service suisse d‘étalonnage
  Engineering AG                                           2y                              Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                é/,,/7/\\\\‘\\3          S     Swiss Calibration Service
                                                                "thiluls


Accredited by the Swiss Accreditation Service (SAS)                                   Accreditation No.: SCS 0108
The Swiss Accreditation Service is one of the signatories to the EA
Multilateral Agreementfor 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, "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 the assessment of Specific Absorption Rate
      (SAR) from hand—held and body—mounted devices used next to the ear (frequency range of
      300 MHz to 6 GHz)", July 2016
   c) 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"

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
     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.
     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: D1750V2—1003_Jul18                             Page 2 of 8




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     Measurement Conditions
            DASY system configuration, as far as not given on page 1.
              DASY Version                                              DASY5                                 V52.10.1
              Extrapolation                                   Advanced Extrapolation
              Phantom                                          Modular Flat Phantom
              Distance Dipole Center — TSL                              10 mm                               with Spacer
              Zoom Scan Resolution                              dx, dy, dz =5 mm
              Frequency                                         1750 MHz &1 MHz


     Head TSL parameters
            The following parameters and calculations were applied.
                                                                        Temperature       Permittivity              Conductivity
              Nominal Head TSL parameters                                  22.0 °C             40.1                  1.37 mho/m
              Measured Head TSL parameters                              (22.0 + 0.2) °C    39.0 26 %             1.34 mho/m £ 6 %
              Head TSL temperature change during test                      x0.5°C                                         ==~=


     SAR result with Head TSL

              SAR averaged over 1 cm* (1 g) of Head TSL                  Condition
              SAR measured                                        250 mW input power                      8.91 W/kg
              SAR for nominal Head TSL parameters                     normalized to 1W          35.9 W/kg x 17.0 %(k=2)

              SAR averaged over 10 cm* (10 g) of Head TSL                condition
              SAR measured                                        250 mW input power                    4.71 Wikg
              .SAR for nominal Head TSL parameters                    normalized to 1W           18.9 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             53.4                  1.49 mho/m
               Measured Body TSL parameters                             (22.0 + 0.2) °C    53.7 #6 %             1.46 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                      8.97 W/kg
               SAR for nominal Body TSL parameters                    normalized to 1W           36.4 Wikg 17.0 % (k=2)

               SAR averaged over 10 cm‘ (10 g) of Body TSL                condition
               SAR measured                                       250 mW input power                    4.79 Wikg
               SAR for nominal Body TSL parameters                    normalized to 1W           19.3 Wikg * 16.5 % (k=2)



         Certificate No: D1750V2—1003_Jul18                    Page 3 of 8




                                                                                          Nes sperg n ragi esn n en n ege ie n e > >


()<
 Appendix (Additional assessments outside the scope of SCS 0108)

 Antenna Parameters with Head TSL
       Impedance, transformed to feed point
      . Return Loss
                                                                                      51.6 Q + 1.3 jQ
                                                                                         — 33.7 dB


 Antenna Parameters with Body TSL

       Impedance, transformed to feed point                                           47.3 Q + 1.2 jQ
       Return Loss                                                                      — 30.4 dB




 General Antenna Parameters and Design

      LElectrica[ Delay (one direction)                        J                         1.215 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

       Manufactured by                                     *                              SPEAG
       Manufactured on                                                                 July 30, 2008




 Certificate No: D1750V2—1003_Jul18                       Page 4 of 8




                                                                                      Nnpeg n en n n n nge e c n >


DASY5 Validation Report for Head TSL

                                                                                        Date: 20.07.2018
Test Laboratory: SPEAG, Zurich, Switzerland

DUT: Dipole 1750 MHz; Type: D1750V2; Serial: D1750V2 — SN:1003

Communication System: UID 0 — CW; Frequency: 1750 MHz
Medium parameters used: f = 1750 MHz; 0 = 1.34 S/m; & = 39; p = 1000 kg/m‘
Phantom section: Flat Section
Measurement Standard: DASY5 (IEEE/IEC/ANSI C63.19—2011)

DASY52 Configuration:

   *    Probe: EX3DV4 — SN7349; ConvF(8.5, 8.5, 8.5) @ 1750 MHz; Calibrated: 30.12.2017

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

   e    Electronics: DAE4 Sn601; Calibrated: 26.10.2017

   &    Phantom: Flat Phantom 5.0 (front); Type: QD 000 P50 AA; Serial: 1001

   «_   DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439)


Dipole Calibration for Head Tissue/Pin=250 mW, d=10mm/Zoom Scan (7x7x7)/Cube 0:
Measurement grid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 107.5 V/m; Power Drift = —0.04 dB
Peak SAR (extrapolated) = 16.3 W/kg
SAR(1 g) = 8.91 W/kg; SAR(10 g) = 4.71 W/kg
Maximum value of SAR (measured) = 13.8 W/kg


        dB
        0


        ~4.00


        —8.00


        —12.00


        —16.00


        —20.00
                   0 dB = 13.8 W/kg = 11.40 dBW/kg




Certificate No: D1750V2—1003_Jul18             Page 5 of 8




                                                                      Nn en n n en n n n n e n n n   n n   ey   >


Impedance Measurement Plot for Head TSL




          File View   Channel Sweep     Calibration   Trace   Scale   Marker   System Window Help

                                                                                                    1.750000 GHz      51.596 O
                                                                                                        122.55 pH     13475 Q
                                                                                                    1.750000 GHz    20.559 mU
                                                                                               $\                      39.410 °




                       Ch1Aug= 20
              Chi: Start 1.55000 GHz   ——                                                                           Stop 1.95000 GHz


                                                                                                                    —3$.740 dB




              00

              00
              00
              00
              f         Ch 1    Aug=
               Ch1: Start 155000 GHz   ——                                                                           Stop 1.95000 GHz

            Status    CH 1:                                                    Avg=20 Delay




Certificate No: D1750V2—1003_Jul18                            Page 6 of 8




                                                                                              Nn opeg n n n n n c ++ >


DASY5 Validation Report for Body TSL

                                                                                       Date: 20.07.2018
Test Laboratory: SPEAG, Zurich, Switzerland

DUT: Dipole 1750 MHz; Type: D1750V2; Serial: D1750V2 — SN:1003

Communication System: UID 0 — CW; Frequency: 1750 MHz
Medium parameters used: f = 1750 MHz; 0 = 1.46 $/m; &, = 53.7; p = 1000 kg/m*
Phantom section: Flat Section
Measurement Standard: DASYS5 (IEEE/IEC/ANSI C63.19—2011)

DASY52 Configuration:

   *    Probe: EX3DV4 — SN7349; ConvF(8.35, 8.35, 8.35) @ 1750 MHz; Calibrated: 30.12.2017

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

   *    Electronics: DAE4 Sn601; Calibrated: 26.10.2017

   &    Phantom: Flat Phantom 5.0 (back); Type: QD 000 P50 AA; Serial: 1002

   «_   DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439)


Dipole Calibration for Body Tissue/Pin=250 mW, d=10mm/Zoom Scan (7x7x7)/Cube 0:
Measurement grid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 101.3 V/m; Power Drift =—0.01 dB
Peak SAR (extrapolated) = 15.7 W/kg
SAR(1 g) = 8.97 W/kg; SAR(10 g) = 4.79 W/kg
Maximum value of SAR (measured) = 13.5 W/kg


        dB
        0


        ~4.00


        —8.00


        —12.00


        —16.00


        —20.00
                   0 dB = 13.5 W/kg = 11.30 dBW/kg




Certificate No: D1750V2—1003_Jul18             Page 7 of 8




                                                                     Nennmua nn n n e n h on   n n >   —


Impedance Measurement Plot for Body TSL




          File    View Channel Sweep      Calibration Trace Scale   Marker System Window Help

                                                                                          1.750000 GHz          47.338 Q
                                                                                              112.37 pH         1.2356 Q
                                                                                          1.750000 GHz        30.149 mU
                                                                                                                 154.37 °




                          Ch1Avg= 20
                 Chi: Start 1.55000 GHz                                                                      Stop 1.95000 GHz




                 .00

                 00
                 00
                 00
                 00
                 Ch1: Start 1                                                                                Stop 1.95000 GHz

                          CH 1:                                            Avg=20 Delay




Certificate No: D1750V2—1003_Jul18                          Page 8 of 8




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Callbfatlon Laboratory of                                          s‘\\\\__///’z}                           S      Schweizerischer Kalibrierdienst
Schm[d & F_’artner                                                ila\eg/mf_                                c Service suisse d‘étalonnage
  Engmeerlng AG                                                   . re                                             Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                       {'/,///A\\\\?                            S      Swiss Calibration Service
                                                                        Ahilals


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       CTTL (Auden)                                                                       Certificate No: D1900V2—5d101_Jul18

CALIBRATION CERTIFICATE
 Object                                D1900V2 — SN:5d101


 Calibration procedure(s)              QA CAL—O05.v10
                                       Calibration procedure for dipole validation kits above 700 MHz



 Calibration date:                     July 24, 2018


 This calibration certificate documents the traceability to national standards, which realize the physical units of measurements (S1).
 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 (Certificate No.)                            Scheduled Calibration
 Power meter NRP                        SN: 104778                04—Apr—18 (No. 217—02672/02673)                       Apr—19
 Power sensor NRP—Z91                   SN: 108244                04—Apr—18 (No. 217—02672)                             Apr—19
 Power sensor NRP—Z291                  SN: 103245                04—Apr—18 (No. 217—02673)                             Apr—19
 Reference 20 dB Attenuator             SN: 5058 (20k)            04—Apr—18 (No. 217—02682)                             Apr—19
 Type—N mismatch combination            SN: 5047.2 / 06827        04—Apr—18 (No. 217—02683)                             Apr—19
 Reference Probe EX3DV4                 SN: 7349                  30—Dec—17 (No. EX3—7349_Dec17)                        Dec—18
 DAE4                                   SN: 601                   26—Oct—17 (No. DAE4—601_Oct17)                        Oct—18


 Secondary Standards                    ID #                      Check Date (in house)                                 Scheduled Check
 Power meter EPM—442A                   SN: GB37480704            07—Oct—15 (in house check Oct—16)                     In house check: Oct—18
 Power sensor HP 8481A                  SN: US37292783            07—Oct—15 (in house check Oct—16)                     In house check: Oct—18
 Power sensor HP 8481A                  SN: MY41092317            07—Oct—15 (in house check Oct—16)                     In house check: Oct—18
 RF generator R&S SMT—06                SN: 100972                15—Jun—15 (in house check Oct—16)                     In house check: Oct—18
 Network Analyzer Agilent E8358A        SN: US41080477            31—Mar—14 (in house check Oct—17)                     In house check: Oct—18


                                        Name                                   Function                                 Signature
 Calibrated by:                         Manu Seitz                             Laboratory Technician



 Approved by:                           Katia Pokovic                          Technical Manager                   M



                                                                                                                       Issued: July 24, 2018
 This calibration certificate shall not be reproduced except in full without written approval of the laboratory.



Certificate No: D1900V2—5d101_Jul18                                   Page 1 of 8




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Schmid & Partner                                            ;Ia\ez—/m                c    Service suisse d‘étalonnage
  Englneerlng AG                                            3. ~sang                      Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland                 {'/,, 7;\? \\\3         S    Swiss Calibration Service
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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
ConvrF                       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, "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 the assessment of Specific Absorption Rate
       (SAR) from hand—held and body—mounted devices used next to the ear (frequency range of
       300 MHz to 6 GHz)", July 2016
    c) 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"

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
     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.
     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: D1900V2—5d101_Jul18                             Page 2 of 8




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  Measurement Conditions
      DASY system configuration, as far as not given on page 1.
        DASY Version                                              DASY5                                    V52.10.1
        Extrapolation                                  Advanced Extrapolation
        Phantom                                         Modular Flat Phantom
        Distance Dipole Center — TSL                              10 mm                                  with Spacer
       Zoom Scan Resolution                               dx, dy, dz =5 mm

        Frequency                                         1900 MHz + 1 MHz



  Head TSL parameters
     The following parameters and calculations were applied.
                                                                  Temperature         Permittivity                Conductivity
        Nominal Head TSL parameters                                  22.0 °C               40.0                    1.40 mho/m
        Measured Head TSL parameters                              (22.0 + 0.2) °C      39.9 £ 6 %             1.34 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                          9.84 Wikg
        SAR for nominal Head TSL parameters                    normalized to 1W              40.4 Wikg x 17.0 % (k=2)

        SAR averaged over 10 cm* (10 g) of Head TSL                 condition
        SAR measured                                       250 mW input power                          5.23 W/kg
        SAR for nominal Head TSL parameters                    normalized to 1W             21.3 W/kg #16.5 % (k=2)


  Body TSL parameters
     The following parameters and calculations were applied.
                                                                  Temperature         Permittivity                Conductivity
        Nominal Body TSL parameters                                  22.0 °C               53.3                    1.52 mho/m
        Measured Body TSL parameters                              (22.0 + 0.2) °C      54.3 £6 %              1.46 mho/m + 6 %
        Body TSL temperature change during test                      <0.5 °C                _                            wee—


  SAR result with Body TSL

        SAR averaged over 1 cm‘ (1 g) of Body TSL                  Condition
        SAR measured                                        250 mW input power                         9.83 W/kg
        SAR for nominal Body TSL parameters                    normalized to 1W              40.4 Wikg x 17.0 % (k=2)


        SAR averaged over 10 cm* (10 g) of Body TSL                 condition
        SAR measured          .                            250 mW input power                          5.26 W/kg
        SAR for nominal Body TSL parameters                    normalized to 1W              21.4 Wikg x 16.5 % (k=2)




  Certificate No: D1900V2—5d101_Jul18                    Page 3 of 8




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 Appendix (Additional assessments outside the scope of SCS 0108)

 Antenna Parameters with Head TSL

       Impedance, transformed to feed point                                           50.7 Q + 5.3 jQ
       Return Loss                                                                       —25.6 dB



 Antenna Parameters with Body TSL

       Impedance, transformed to feed point                                           44.9 Q + 6.5 JQ
       Return Loss                                                                      —21.2 dB



 General Antenna Parameters and Design

      rElectfical Delay (one direction)                                                   1.205 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

       Manufactured by                                                                    SPEAG
       Manufactured on                                                                March 28, 2008




 Certificate No: D1900V2—5d101_Jul18                      Page 4 of 8




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DASY5 Validation Report for Head TSL

                                                                                                 Date: 24.07.2018

Test Laboratory: SPEAG, Zurich, Switzerland

DUT: Dipole 1900 MHz; Type: D1900V2; Serial: D1900V2 — SN:5d101

Communication System: UID 0 — CW; Frequency: 1900 MHz
Medium parameters used: f = 1900 MHz; 0 = 1.34 S/m; & = 39.9; p = 1000 kg/m*
Phantom section: Flat Section
Measurement Standard: DASY5 (IEEE/IEC/ANSI C63.19—2011)

DASY52 Configuration:

        Probe: EX3DV4 — SN7349; ConvF(8.18, 8.18, 8.18) @ 1900 MHz; Calibrated: 30.12.2017

        Sensor—Surface: 1.4mm (Mechanical Surface Detection)

        Electronics: DAE4 $n601; Calibrated: 26.10.2017

        Phantom: Flat Phantom 5.0 (front); Type: QD 000 P50 AA; Serial: 1001

        DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439)


Dipole Calibration for Head Tissue/Pin=250 mW, d=10mm/Zoom Scan (7x7x7)/Cube 0:
Measurement grid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 110.6 V/m; Power Drift =—0.01 dB
Peak SAR (extrapolated) = 17.9 W/kg
SAR(1 g) = 9.84 W/kg; SAR(10 g) = 5.23 W/kg
Maximum value of SAR (measured) = 15.0 W/kg




                             12.00


                             —16.00


                             —20.00

                                      0 dB = 15.0 W/kg = 11.76 dBW/kg




Certificate No: D1900V2—5d101_Jul18                 Page 5 of 8




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Document Created: 2019-06-26 15:02:49
Document Modified: 2019-06-26 15:02:49

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