I19Z60566-SEM02_HAC_Rev0_part2

FCC ID: XD6U304AA

Test Report

Download: PDF
FCCID_4290033

Calibration Laboratory of                                    sz                            S   Schweizerischer Kalibrierdienst




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Schmid & Partner




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Zeughausstrasse 43, 8004 Zurich, Switzerland                    4/ V/gh\‘\\\\‘\\               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


References
[1]       ANSI—C63.19—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 sensor center) are selected to be at a
          distance of 15 mm above the top metal edge of the dipole arms.
      *   Measurement Conditions: Further details are available from the hardcopies at the end of the certificate. All
          figures stated in the certificate are valid at the frequency indicated. The forward power to the dipole connector
          is set with a calibrated power meter connected and monitored with an auxiliary power meter connected to a
          directional coupler. While the dipole 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 arms are 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 probe is 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 distance is 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 distance to 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 the dipole. The influence of 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 area is 20mm wide, its length
          exceeds the dipole arm length (180 or $0mm). 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 the dipole 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 probatbility 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                                               DASY5                         V52.10.1
     Phantom                                                HAC Test Arch
     Distance Dipole Top — Probe Center                         15 mm
     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/m # 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


Impedance Measurement Plot




     File      View    Channel    Sweep     Calibration Trace   Scale Marker System Window       Help
       10.00                                                                                   1: 200.000000 MHz —18.052 4B
       5.00                                                                                    3. $95.000000—M%    22 20348
                                                                                               3: 880.000000 MHz —15.6354B
       p06                                              —_——                                 ~—[                Ei
       [s.00                                                        —|—                      _     5o    MR                 natar|
                                                                          ~
       F10.00
        15.00

       20.00
       L25.00
       F20.00
       35.00
       Lo.00          Ch 1 Avg= |20
            Ch1: Start 335.000 MHa     ——                                                                             Stop 1.33500 GHz


                                                                                                         200.000000 MHz       42614 0
                                                                                                               22.098 pF     —9.0028 a
                                                                                                   >2.   $35.000000 MHz       53.633 0
                                                                                                               11658 nH       6.1164 0
                                                                                                    3:   $80.000000 MHz       64.993 n
                                                                                                                15.268 pF    1.846 0
                                                                                                    4:   900,000000 MHz       53.610 a
                                                                                                                12.516 pF    —13.084 0
                                                                                                    5:   945.000000 MHz       46 466 0
                                                                                                               689.85 pH      4.0961 A




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

       Status         CH 1:      611                  ] C" 1—Port             Avg=20 Delay                                  LCL




Certificate No: CD835V3—1023_Aug18                          Page 4 of 5


©DASY5 E—field Result



 Test Laboratory: SPEAG Lab2
                                                                                               Date: 28.08.2018



 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: DASYS (IEEE/AEC/ANSI C63.19—2011)

 DASY32 Configuration:

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



Dipole E—Field measurement @ $35MHz/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     |40.73 dBV/m
                                            Grid 4 M4
                                            35.58 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


              349


              493


              —7.18


              842
                         0 dB = 111.0 V/m = 40.91 dBV/m




Certificate No: CD835V3—1023_Aug18                Page 5 of 5


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     Zeughausstrasse 43, 8004 Zurich, Switzerland                       /( {r~\‘w                                       Swiss Calibration Service
                                                                            Aerlutute®®

     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: CD1880V3—1018_Aug18

     CALIBRATION CERTIFICATE
      Object                                CD1880V3 — SN: 1018


      Calibration procedure(s)              QA CAL—20.v6
                                            Calibration procedure for dipoles in air



      Calibration date:                     August 28, 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
      Probe EF3DV3                           SN: 4013                   05—Mar—18 (No. EF3—4013_Mar18)                       Mar—19
      DAE4                                   SN: 781                        17—Jan—18 (No. DAE4—781_Jan18)                   Jan—19



      Secondary Standards                    ID #                       Check Date (in house)                                Scheduled Check
      Power meter Agilent 44198              SN: GB42420191             09—Oct—09 (in house check Oct—17)                    In house check: Oct—20
      Power sensor HP E4412A                 SN: US38485102             05—Jan—10 (in house check Oct—17)                    In house check: Oct—20
      Power sensor HP 8482A                  SN: US37295597             09—Oct—09 (in house check Oct—17)                    In house check: Oct—20
      RF generator R&S SMT—06                SN: 892283/011             27—Aug—12 (in house check Oct—17)                    In house check: Oct—20
      Network Analyzer Agilent E835BA        SN: US41080477                 31—Mar—14 (in house check Oct—17)                In house check: Oct—18




                                                                                                                           <fip
                                             Name                                          Function
      Calibrated by:                         Leif Klysner                                  Laboratory Technician



      Approved by:                           Katia Pokovic                                 Technical Manager

                                                                                                                        cceke
                                                                                                                             Issued: August 28, 2018
      This calibration certificate shall not be reproduced except in full without written approval of the laboratory.




     Certificate No: CD1880V3—1018_Aug18                         Page 1 of 5


                                                                  w19 1970
Calibration Laboratory of                                        SCs /                    S    Schweizerischer Kalibrierdienst




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Schmid & Partner                                                 \—/
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  Engineering AG                                                 zn                       5    Servizio svizzero di taratura




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                                                                         YA
Zeughausstrasse 43, 8004 Zurich, Switzerland                      if ~x®                       Swiss Calibration Service




                                                             X
                                                                 Uoliile®
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


References
[1]       ANSI—C63.19—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 sensor center) are selected to be at a
          distance of 15 mm above the top metal edge of the dipole arms.
      *   Measurement Conditions: Further details are available from the hardcopies at the end of the certificate. All
          figures stated in the certificate are valid at the frequency indicated. The forward power to the dipole connector
          is set with a calibrated power meter connected and monitored with an auxiliary power meter connected to a
          directional coupler. While the dipole 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 arms are 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 probe is 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 distance is 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 distance to the probe is essential for the
          accuracy.
      e   Feed Point Impedance and Return Loss: These parameters are measured using a HP 8753E Vector Network
          Analyzer. The impedance is specified at the SMA connectorof the dipole. The influence of 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 area is 20mm wide, its length
          exceeds the dipole arm length (180 or 90mm). 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 the dipole 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 measurementis 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: CD1880V3—1018_Aug18                     Page 2 of 5


Measurement Conditions
   DASY system configuration, as far as not given on page 1.
     DASY Version                                               DASY5                         V52.10.1
     Phantom                                                HAC Test Arch
     Distance Dipole Top — Probe Center                         15 mm
     Scan resolution                                        dx, dy = 5 mm
     Frequency                                         1880 MHz +1 MHz
     Input power drift                                         <0.05 dB



Maximum Field values at 1880 MHz

     E—field 15 mm above dipole surface                           condition           Interpolated maximum
     Maximum measured above high end                         100 mW input power        89.2 V/m = 39.01 dBV/m
     Maximum measured above low end                          100 mW input power        88.5 V/m = 38.94 dBV/m
     Averaged maximum above arm                              100 mW input power        88.9 V/im + 12.8 % (k=2)


Appendix (Additional assessments outside the scope of SCS 0108)

Antenna Parameters

     Frequency                                                   Return Loss                 Impedance
      1730 MHz                                                     31.6 dB                 52.7 Q — 0.4 jQ
      1880 MHz                                                     23.8 dB                 54.4 Q + 5.1 jQ
      1900 MHz                                                     23.6 dB                 56.1 Q + 3.4 jQ
      1950 MHz                                                     32.5 dB                 52.0 Q — 1.3 jQ
     2000 MHz                                                      20.3 dB                 47.3 Q + 9.1 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: CD1880V3—1018_Aug18           Page 3 of 5


Impedance Measurement Plot




     File     View   Channel Sweep     Calibration           Trace         Scale Marker System    Window           Help
       7.00                                                                                                               1   1.f30000 GHz    4161308
       200                                                                                                                    + $80000.01     as sns 4e
                                                                                                                      3        4oonde—Gr           s2t3P
       S.98                                                                                                          [        —rsmorore
       |s.00                               i—                                                                         &       2 nnnn AH=      20    297 48

                                                *                                                             ‘a
       F13.00                                       _z                                                    7
       F1s.00                                            >                                           FA
                                                              ~                       4
       2s.00                                                      ~                   4            ,Z
       |2s.00                                                         \;         L        3   >
                                                                                              Y
       Las.0o                                                          %
       L3s.00                                                              ig
                                                                           xf                 a|
            00       Ch 1 Avg= 20
   "        Chi: Star 1.38000 6He    ———                                                                                                Stop 2.38000 GHz

                                                                                                                          1   1730000 GHz       526700
                                                                                                                                  244.95pF    37557 m0
                                                                                                                     »2       1.880000 GHz      54.380 0
                                                                                                                                  433.74pH      5142350
                                                                                                                          3   1.900000 GHz      56136 0
                                                                                                                                  281.95 pH     3.3659 n
                                                                                                                      4:      1.950000 GHa      52.042 0
                                                                                                                                  B4.103pF     127320
                                                                                                                          $   2.000000 GHz      47.3040
                                                                                                                                  720.28pH      905130




                     Ch1Avg= 20
            Ch1: Start 1.38000 GHz   ——                                                                                                 Stop 2.38000 GHz
       Status        CH 1:   511                         ] C" 1—Port                      Avg=20 Delay                                        LCL




Certificate No: CD1880V3—1018_Aug18                                   Page 4 of 5


©DASY5 E—field Result



 Test Laboratory: SPEAG Lab2
                                                                                               Date: 28.08.2018



 DUT: HAC Dipole 1880 MHz; Type: CD1880V3; Serial: CD1880V3 — SN: 1018

 Communication System: UID 0 — CW ; Frequency: 1880 MHz
 Medium parameters used: 0 =0 $/m, &=1; p=0 kg/m‘
 Phantom section: RF Section
 Measurement Standard: DASYS (IEEE/IEC/ANSI C63.19—201 1)

 DASY52 Configuration:

         Probe: EF3DV3 — SN4013; ConvF(1, 1, 1) @ 1880 MHz; Calibrated: 05.03.2018
        Sensor—Surface: (Fix Surface)
        Electronics: DAE4 Sn781; Calibrated: 17.01.2018
        Phantom: HAC Test Arch with AMCC; Type: SD HAC PO1 BA; Serial: 1070
        DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439)



Dipole E—Field measurement @ 1880MHz/E—Scan — 1880MHz d=15mm/Hearing Aid Compatibility
                                                                                       Test (41x181x1):
Interpolated grid: dx=0.5000 mm, dy=0.5000 mm
Device Reference Point: 0, 0, —6.3 mm
Reference Value = 154.3 V/m; Power Drift=—0.01 dB
Applied MIF = 0.00 dB
RF audio interference level = 39.01 dBV/m
Emission category: M2
                                         MIF scaled E—field

                                          Grid 1 M2       Grid 2 M2   Grid 3 M2
                                          38.68 dBV/m|39.01 dBV/m|38.9 dBV/m
                                          Grid 4 M2                   Grid 6 M2
                                          36.09 dBV/m                 36.21 dBV/m

                                          Grid 7 M2       Grid 8 M2   Grid 9 M2
                                          38.7 dBV/m      [38.94 dBV/m|38.84 dBV/m




              —0.97


              1.3


              —2.90


              ~3.86


              ~4.83
                         0 dB = 89.22 V/m = 39.01 dBV/m




Certificate No: CD1880V3—1018_Aug18            Page 5 of 5


Calibration Laboratory of
Schmid & Partner                                                                                            S      Schweizerischer Kalibrierdienst
                                                                                                                   Service suisse d‘étalonnage
  Engineering AG                                                                                            C      Servizio svizzero di taratura
Zeughausstrasse 43, 8004 Zurich, Switzerland
                                                                 *
                                                                  * Z7 N\w                                  S      Swiss Calibration Service
                                                                   Arlutulst®"

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—BJ (Auden)                                                                     Certificate No: CD2600V3—101 7_Aug18

CALIBRATION CERTIFICATE
 Object                                CD2600V3 — SN: 1017


 Calibration procedure(s)              QA CAL—20.v6
                                       Calibration procedure for dipoles in air



 Calibration date:                     August 22, 2018

 This calibration certificate documents the traceability to nationalstandards, 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: 1083244                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
 Probe EF3DV3                           SN: 4013                   05—Mar—18 (No. EF3—4013_Mar18)                       Mar—19
 DAE4                                   SN: 781                    17—Jan—18 (No. DAE4—781_Jan18)                       Jan—19


 Secondary Standards                    ID #                       Check Date (in house)                                Scheduled Check
 Power meter Agilent 4419B              SN: GB42420191             09—Oct—09 (in house check Oct—17)                    In house check: Oct—20
 Power sensor HP E4412A                 SN: US38485102             05—Jan—10 (in house check Oct—17)                    In house check: Oct—20
 Power sensor HP 8482A                  SN: US37295597             09—Oct—09 (in house check Oct—17)                    In house check: Oct—20
 RF generator R&S SMT—06                SN: 832283/011             27—Aug—12 (in house check Oct—17)                    In house check: Oct—20
 Network Analyzer HP 8358A              SN: US41080477             31—Mar—14 (in house check Oct—17)                    In house check: Oct—18

                                        Name                                     Function                               Signature
 Calibrated by:                         Jeton Kastrati                           Laboratory Technician
                                                                                                                                 MV
                                                                                                                C—
 Approved by:                           Katia Pokovie                            Technical Manager




                                                                                                                       Issued: August 23, 2018
 This calibration certificate shall not be reproduced except in full without written approval of the laboratory.




Certificate No: CD2600V3—1017_Aug18                         Page 1 of 5


©
Calibration
      .     Laboratory of
Schmid & Partner
  Engineering AG
Zeughausstrasse 43, 8004 Zurich, Switzerland


Accredited by the Swiss Accreditation Service (SAS)
                                                            JA


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                                                                                               Schweizerischer Kalibrierdienst
                                                                                               Service suisse d‘étalonnage
                                                                                               Servizio svizzero di taratura
                                                                                               Swiss Calibration Service


                                                                                           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—C63.19—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 sensor center) are selected to be at a
          distance of 15 mm above the top metal edge of the dipole arms.
      *   Measurement Conditions: Further details are available from the hardcopies at the end of the certificate. All
          figures stated in the certificate are valid at the frequency indicated. The forward power to the dipole connector
          is set with a calibrated power meter connected and monitored with an auxiliary power meter connected to a
          directional coupler. While the dipole under test is connected, the forward power is adjusted to the same level.
      e   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, thatits arms are 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 probe is 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 distance is 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 distance to 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 connectorof the dipole. The influence of 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 ER3D—field probe with 100 mW
          forward power to the antenna feed point. In accordance with [1], the scan area is 20mm wide, its length
          exceeds the dipole arm length (180 or $Omm). The sensor centeris 15 mm (in z) above the metal top of the
          dipole arms. Two 3D maxima are available near the end of the dipole 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 measurementis stated as the standard uncertainty of measurement multiplied by the
 coverage factor k=2, which for a normal distribution corresponds to a coverage probatbility of approximately 95%.




Certificate No: CD2600V3—1017_Aug18                    Page 2 of 5


()
 R
 Measurement Conditions
    DASY system configuration, as far as not given on page 1.
      DASY Version
      Phantom
      Distance Dipole Top — Probe Center
      Scan resolution
                                                                 DASY5
                                                             HAC Test Arch
                                                                 15 mm
                                                             dx, dy = 5 mm
                                                                                               V52.10.1




      Frequency                                         2600 MHz £ 1 MHz
      Input power drift                                         <0.05 dB



 Maximum Field values at 2600 MHz

      E—field 15 mm above dipole surface                           condition           Interpolated maximum
      Maximum measured above high end                         100 mW input power        86.3 V/m = 38.72 dBV/m
      Maximum measured above low end                          100 mW input power        85.4 V/m = 38.63 dBV/m
      Averaged maximum above arm                              100 mW input power        85.8 V/m + 12.8 % (k=2)



 Appendix (Additional assessments outside the scope of SCS 0108)

 Antenna Parameters

      Frequency                                                   Return Loss                 Impedance
      2450 MHz                                                      24.4 dB                 44.5 Q + 1.6 jQ
      2550 MHz                                                      21.8 dB                 57.4 Q + 4.7 jQ
      2600 MHz                                                      20.6 dB                 59.7 Q — 3.3 jQ
      2650 MHz                                                       19.8 dB                55.1 Q — 9.5 jQ
      2750 MHz                                                       16.0 dB                41.7 Q —12.1 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: CD2600V3—1017_Aug18           Page 3 of 5


©
Impedance Measurement Plot




     File      View Channel    Sweep   Calibration    Trace    Scale Marker   System   Window   Help
                                                                                                            0000 GHz     2441408
        2.00                                                                                                000054        177440
                                                                                                  3      2400000 GHz
        j3.00                                                                                      T     7         2| —reaar
        s.00                                                                                       5_   Cok> |_—
                                                                                                  ~




        L43.00       Ch 1 Avg= |20
   Ir       Ch1: Start 2.10000 GHz   ———                                                                           Stop 3.10000 GHz


                                                                                                         2.450000 GHz      44.545   0
                                                                                                             104.78 pH     16130    a
                                                                                                         2550000 GHz       57.491   0
                                                                                                             290 28 pH     4.6509   n
                                                                                                         200000 GHz        59.700   a
                                                                                                             18.549 pF    33012     0
                                                                                                         2650000 GHz       55.136   0
                                                                                                             6.3050 pF    4 5255    a
                                                                                                         2750000 GHz       41677    0
                                                                                                             47670 pF     —12.141   0




                     Ch1Aug= 20
            Ch1: Start 2.10000 GHz   ——                                                                            Stop 3.10000 GHz

        Status      __CH 1:   511                    | C" 1—Port              Avg=20 Delay                               tEE




Certificate No: CD2600V3—1017_Aug18                        Page 4 of 5


©
DASY5 E—field Result



Test Laboratory: SPEAG Lab2
                                                                                               Date: 22.08.2018




DUT: HAC Dipole 2600 MHz; Type: CD2600V3; Serial: CD2600V3 — SN: 1017

Communication System: UID 0 — CW ; Frequency: 2600 MHz
Medium parameters used: 0 = 0 S/m, & = 1; p = 0 kg/m‘
Phantom section: RF Section
Measurement Standard: DASYS (IEEE/IEC/ANSI C€63.19—2011)

DASY52 Configuration:

    *   Probe: EF3DV3 — SN4013; ConvF(1, 1, 1) @ 2600 MHz; Calibrated: 05.03.2018
    *   Sensor—Surface: (Fix Surface)
    *   Electronics: DAE4 Sn781; Calibrated: 17.01.2018
    *   Phantom: HAC Test Arch with AMCC; Type: SD HAC PO1 BA; Serial: 1070
    #   DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439)



Dipole E—Field measurement @ 2600MHz/E—Scan — 2600MHz d=15mm/Hearing Aid Compatibility Test (41x181x1):
Interpolated grid: dx=0.5000 mm, dy=0.5000 mm
Device Reference Point: 0, 0, —6.3 mm
Reference Value = 65.15 V/m; Power Drift = 0.00 dB
Applied MIF = 0.00 dB
RF audio interference level = 38.72 dBV/m
Emission category: M2
                                            MIF scaled E—field

                                            Grid 1 M2      Grid 2 M2    Grid 3 M2
                                            38.38 dBV/m                 38.53 dBV/m
                                            Grid 4 M2                   Grid 6 M2
                                            37.9 dBV/m                 m|38.07 dBV/m

                                            Grid 7 M2      Grid 8 M2     Grid 9 M2
                                            38.5 dBV/m     [38.72 dBV/m|38.63 dBV/m




              —1.42


              —2.84


              ~4.27


              —5.69


               TA
                         0 dB = 86.32 V/m = 38.72 dBV/m




Certificate No: CD2600V3—1017_Aug18                Page 5 of 5


                                                No.I19Z60566-SEM02
                                                      Page 60 of 60




The photos of HAC test are presented in the additional document:

Appendix to test report No.I19Z60566-SEM02/03

The photos of HAC test




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Document Created: 2019-05-13 13:05:19
Document Modified: 2019-05-13 13:05:19

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