Test report HAC part 4

FCC ID: YHLBLUB100DL

Test Report

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FCCID_4306863

Calibration Laboratory of S Schweizerischer Kalibrierdienst Schmid & Partner Service suisse d'etalonnage Engineering AG C Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland s Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Client Sporton Certificate No: CD835V3-1045_Sep18 CALIBRATION CERTIFICATE Object CD835V3 - SN: 1045 Calibration procedure(s) QA CAL-20.v6 Calibration procedure for dipoles in air Calibration date: September 19, 2018 This calibration certificate documents the traceability to national standards, which realize the physical units of measurements (SI). 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 NAP 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 44196 SN: GB42420191 09-0ct-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 09-0ct-09 (in house check Oct-17) In house check: Oct-20 RF generator R&S SMT-06 SN: 832283/01 1 27-Aug-12 (in house check Oct-17) In house check: Oct-20 Network Analyzer Agilent E8358A SN: US41080477 31-Mar-14 (in house check Oct-17) In house check: Oct- 18 Name Function Signature Calibrated by: Leif Klysner Laboratory Technician Approved by: Katja Pokovic Technical Manager Issued: September 24, 2018 This calibration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: CD835V3-1045_Sep 18 Page 1 of 5

Calibration Laboratory of Schmid & Partner s Schweizerischer Kalibrierdienst Service suisse d'etalonnage C Engineering AG Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland s Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates 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-tield 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 90mm). The sensor center is 15 mm (in z) above the metal top of the dipole arms. Two 30 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 30-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: CD835V3-1045_Sep18 Page 2 of 5

Measurement Conditions DASY svstem confiquration, as far as not aiven on paae 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 109.3 Vim= 40.77 dBVlm Maximum measured above low end 100 mW input power 108.2 Vim= 40.68 dBVlm Averaged maximum above arm 100 mW input power 108.8 Vim± 12.8 % (k=2) Appendix (Additional assessments outside the scope of SCS 0108) Antenna Parameters Frequency Return Loss Impedance 800 MHz 16.0 dB 40.8 Q - 11.3 jQ 835 MHz 32.3 dB 49.4 Q + 2.3 jQ 880 MHz 18.1 dB 57.9 Q - 11.0 jQ 900 MHz 18.2 dB 48.3 Q -12.1 jQ 945 MHz 20.5 dB 49.1 Q + 9.3 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 semi rigid 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: CD835V3-1045_Sep18 Page 3 of 5

Impedance Measurement Plot File View Channel Sweep Calibration Trace Scale Marker— System Window Help 10.00 811 dpooo0 M 958 d8 s.00 ; 5—000000—MH 30.31548 200 (PODGO MHz —18.10448 0.00 ==—i——— T sotopooot hhie "To T990F) s on Bs s _____§a5 00000 We i 52208 F10.00 ( H15.00 “ L20.00 BA _Lesx34—[/ \I / 6 25.00 + f T [ F20.00 F35.00 H0.00 Ch 1 Aug= 20 Ch1: Start 395.000 MHe —— Stop 1.33500 GHz 1 500 000000 MHz 40753 0 17 £80 pF 2 #35 000000 MHz 442 05 pH @80 000000 MHz 16 511 pF 4 400 000000 MHz 14 6R4pF 5 245 000000 MHz 15710 nH Ch1Aug= 20 Ch1: Start 395.000 MHa —— Stop 1.33500 GHz Status CH 1: ETI C* 1—Port Avg=20 Delay LCL Certificate No: CD835V3—1045_Sep18 Page 4 of 5

DASY5 E-field Result Date: 19.09.20 18 Test Laboratory: SPEAG Lab2 DUT: HAC-Dipole 835 MHz; Type: CD835V3; Serial: CD835V3 - SN: 1045 Communication System: UID O - CW ; Frequency: 835 MHz Medium parameters used: cr = 0 Sim, e, = I ; p = 0 kg/m3 Phantom section: RF Section Measurement Standard: DASY5 (IEEE/IEC/ANSI C63.19-20 1 l ) DASY52 Configuration: • Probe : EF3DV3 - SN4013; ConvF(l, 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 POl BA; Serial : 1070 • 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 (41x361xl): Interpolated grid: dx=0.5000 mm, dy=0.5000 mm Device Reference Point: 0, 0, -6.3 mm Reference Value= 132.0 V/m; Power Drift= 0.00 dB Applied MIF = 0.00 dB RF audio interference level= 40.77 dBV/m Emission category: M3 MIF scaled E-field Grid 1 M3 Grid 2 M3 Grid 3 M3 40.25 dBV/m 40.68 dBV/m 40.63 dBV/m Grid 4 M4 Grid 5 M4 Grid 6 M4 35.68 dBV/m 35.97 dBV/m 35.93 dBV/m Grid 7 M3 Grid 8 M3 Grid 9 M3 40.47 dBV/m 40.77 dBV/m 40.67 dBV/m dB D -1.92 -3.84 -5.77 -7.69 -9.61 0 dB = 109.3 V/m = 40.77 dBV/m Certificate No: CD835V3-1045_Sep18 Page 5 of 5

Calibration Laboratory of Schmid & Partner s C Schweizerischer Kalibrierdienst Service suisse d'etalonnage Engineering AG Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland s Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Client Sporton Certificate No: CD1880V3-1038_Sep18 !CALIBRATION CERTIFICATE Object CD1880V3 - SN: 1038 Calibration procedure(s) QA CAL-20.v6 Calibration procedure for dipoles in air Calibration date: September 19, 2018 This calibration certificate documents the traceability to national standards, which realize the physical units of measurements (SI). 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 NAP SN: 104778 04-Apr-18 (No. 217-02672/02673) Apr-19 Power sensor NRP-291 SN: 103244 04-Apr-18 (No. 217-02672) Apr-1 9 Power sensor NRP-291 SN: 103245 04-Apr-1 8 (No. 217-02673) Apr-19 Reference 20 dB Attenuator SN: 5058 (20k) 04-Apr-18 (No. 217-02682) Apr-1 9 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 4419B SN: GB42420191 09-0ct-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 09-0ct-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: Leif Klysner Laboratory Technician Approved by: Katja Pokovic Technical Manager Issued: September 24, 2018 This calibration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: CD1880V3-1038_Sep18 Page 1 of 7

Calibration Laboratory of Schmid & Partner s Schweizerischer Kalibrierdienst Service suisse d'etalonnage C Engineering AG Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland s Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates 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 teed 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 tor 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 ER3D-field probe with 100 mW forward power to the antenna feed point. In accordance with [1 J, 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 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: CD1880V3-1038_Sep18 Page 2 of 7

Measurement Conditions DA SY svstem configuration, as far as not aiven 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 1730 MHz± 1 MHz Frequency 1880 MHz± 1 MHz Input power drift < 0.05 dB Maximum Field values at 1730 MHz E-field 15 mm above dipole surface condition Interpolated maximum Maximum measured above high end 100 mW input power 97.0 Vim= 39.74 dBV/m Maximum measured above low end 100 mW input power 96.0 Vim= 39.65 dBV/m Averaged maximum above arm 100 mW input power 96.5 Vim± 12.8 % (k=2) 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 90.3 Vim= 39.11 dBV/m Maximum measured above low end 100 mW input power 88.8 Vim= 38.97 dBV/m Averaged maximum above arm 100 mW input power 89.5 Vim ± 12.8 % (k=2) Certificate No: CD1880V3-1038_Sep18 Page 3 of 7

Appendix (Additional assessments outside the scope of SCS 0108) Antenna Parameters Nominal Frequencies Frequency Return Loss Impedance 1730 MHz 22.9 dB 55.7 Q + 5.1 jQ 1880 MHz 21.2 dB 59.3 Q + 2.0 jQ 1900 MHz 21.6 dB 59.1 Q-1.1 jQ 1950 MHz 25.9 dB 50.7 Q -5.0 jQ 2000 MHz 20.7 dB 43.8 Q + 6.1 jQ Additional Frequencies Frequency Return Loss Impedance 1730 MHz 22.9 dB 55.7 Q + 5.1 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: CD1880V3-1038_Sep18 Page 4 of 7

Impedance Measurement Plot File Yiew Channel Sweep Calibration Trace Scale Marker System Window Help 7 0 000 6 dB 200 a 1 4e0000.544 212g548 5 _ __—+ notorz 2T 3940E [**" ==E—— 3 —rfamorone se s on > _4—s > 100000 nite on79048 F13.00 Fis.00 / lj es oo + e B LC 1 y Lze.00 > z7 F33.00 F38.00 F43.00 = |20 Ch1: Start 1.38000 GHa— —— Stop 2.38000 GHz 1 30 55 664 0 465 71 pH 2 1 ©80000 GHz 66 b4pH 2 0038 0 1900000 GHz 59 058 0 79 539 pF 110531 0 4 1 $50000 GHz 50 704 0 16 182 pF 3 a 5 2000000 GHe 481.73pH 6,0536 0 Ch1 Aug= 20 Chi: Start 1.38000 GHe —— Stop 2.38000 GHz Status CH 1: C* 1—Port Avg=20 Delay LCL Certificate No: CD1880V3—1038_Sep18 Page 5 of 7

DASY5 E-field Result Date: 19.09.2018 Test Laboratory: SPEAG Lab2 DUT: HAC Dipole 1880 MHz; Type: CD1880V3; Serial: CD1880V3 - SN: 1038 Communication System: UID O - CW ; Frequency: 1880 MHz, Frequency: 1730 MHz Medium parameters used: cr = 0 Sim,£,= I; p = 0 kg/m 3 Phantom section: RF Section Measurement Standard: DASY5 (IEEE/IEC/ ANSI C63.I9-2011 ) DASY52 Configuration: • Probe: EF3DV3 - SN4013; ConvF(l, 1, 1)@ 1880 MHz, ConvF{l, 1, 1)@ 1730 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 POl BA; Serial: 1070 • DASY52 52.10.1(1476); SEMCAD X 14.6.11(7439) Dipole E-Field measurement@ 1880MHz/E-Scan - 1880MHz d=l5mm/Hearing Aid Compatibility Test (4lxl8lxl): Interpolated grid: dx=0.5000 mm, dy=0.5000 mm Device Re ference Point: 0, 0, -6.3 mm Reference Value = 155.2 V/m; Power Drift= -0.03 dB Applied MlF = 0.00 dB RF audio interference level = 39. 11 dBV/m Emission category: M2 MIF scaled E-field Grid 1 M2 Grid 2 M2 Grid 3 M2 38.75 dBV/m 39.11 dBV/m 39.05 dBV/m Grid 4 M2 Grid 5 M 2 Grid 6 M2 36.11 dBV/m 36.24 dBV/m 36.17 dBV/m Grid 7 M2 Grid 8 M2 Grid 9 M2 38.77 dBV/m 38.97 dBV/m 38.81dBV/m Certificate No: CD1880V3-1038_ Sep18 Page 6 of 7

Dipole E-Field measurement@ 1730MHz/E-Scan - 1730MHz d=15mm/Hearing Aid Compatibility Test (41x181xl): Interpolated grid: dx=0.5000 mm, dy=0.5000 mm Device Reference Point: 0, 0 , -6.3 mm Reference Value= 168.4 V/m; Power Drift= 0.00 dB Applied MIF = 0.00 dB RF audio interference level= 39.74 dBV/m Emission category: M2 MIF scaled E-field Grid 1 M2 Grid 2 M2 Grid 3 M2 39.27 dBV/m 39.65 dBV/m 39.59dBV/m Grid 4 M2 Grid 5 M2 Grid 6 M2 36.98dBV/m 37.17 dBV/m 37.12 dBV/m Grid 7 M2 Grid 8 M2 Grid 9 M2 39.5 dBV/m 39.74 dBV/m 39.61 dBV/m dB 0 -0.97 -1.95 -2.92 -3.90 -4.87 0 dB= 90.29 V/m = 39.11 dBV/m Certificate No: CD1880V3-1038_Sep18 Page 7 of 7

Calibration a Laboratory of F2 sl\/z G Schweizerischer Kalibrierdienst Schmid & Partner S\B%E_//flfii ; Service suisse d‘étaionnage Engineering AG Tssy 5 Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland "‘:/Q\\~\° Swiss Calibration Service Wtb 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 Clent Sporton Certificate No: CD2450V3—1186_Jan19 CALIBRATION CERTIFICATE Object CD2450V3 — SN: 1186 Calibration procedure(s) QA CAL—20.07 Calibration Procedure for Validation Sources in air Calibration date: January 30, 2019 This calibration certficate documents the traceabilty to national standards, which realize the physical units of measurements (8). The measurements and the uncertainties with confidence probabilty are given on the following pages and are part of the certiicate. All callbrations have been conducted in the closed laboratory faciity: environment temperature (22 + 3)°C and humidity < 70%. Calibration Equipment used (M&TE criical for callbration) Primary Standards 1D # Cal Date (Certficate No.) Scheduled Calibration Power meter NRP SN: 104778 04—Apr—18 (No. 217—02672/02673) Apr—19 Power sensor NRP—291 SN: 108244 04—Apr—18 (No. 217—02672) Apr—19 Power sensor NRP—Z91 SN: 109245 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 O4—Apr—18 (No. 217—02683) Apr—19 Probe EF3DV3 SN: 4013 03—Jan—19 (No. EF3—4013_Jan19) Jan—20 DAE SN: 781 09—Jan—19 (No. DAE4—781_Jan19) Jan—20 Secondary Standards 10# Check Date (in house) Scheduled Check Power meter Agilent 44198 SN: GBa2420101 09—Oct—09 (in house chack Oct—17) In house check: Oct—20 Power sensor HP E4412A SN: US38405102 05—lan—10 (in house check Oct—17) in house check: Oct—20 Power sensor HP 8482A SN: US37295507 09—Oct—09 (in house check Oct—17) in house check: Oct—20 RF generator R&S SMT—06 SN: 8322830011 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—18) in house check: Oct—19 Name Function Signature Callbrated by: Leif Klysner Laboratory Technician W}74/, Approved by: Katja Pokovie Technical Manager Wfi Issued: January 31, 2019 This calibration certficate shall not be reproduced exceptin full without writen approval of the laboratory. Certificate No: CD2450V3—1186_Jan19 Page 1 of 5

Calibration f Laboratory of G Schweizerischer Kalibrierdienst Schmid & Partner . Service suisse d‘étaionnage Engineering AG «g. Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland ym Swiss Calibration Service Wulals 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 thedipole 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 thecertificate. All figures stated in the certificate are valid at thefrequencyindicated. 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 the dipole under test is connected, the forward power is adjusted to the samelevel. 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 thefloor. 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 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 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 sensoroffset. 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 impedanceis 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 powerto 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 center is 15 mm (in 2) 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 sensordisplacement. 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: CD2450V3—1186_Jan19 Page 2 of 5

Measurement Conditions DASY system configuration, as far as not given on page 1. DASY Version DASY5 V52.10.2 Phantom HAC Test Arch Distance Dipole Top — Probe Center 15 mm Scan resolution dx, dy = 5 mm Frequency 2450 MHz +1 MHz Input power drift <0.05 dB Maximum Field values at 2450 MHz E—field 15 mm above dipole surface condition Interpolated maximum Maximum measured above high end 100 mW input power 84.5 V/m = 38.54 dBV/m Maximum measured above low end 100 mW input power 83.7 V/m = 38.45 dBV/m Averaged maximum above arm 100 mW input power 84.1 V/m + 12.8 % (k=2) Appendix (Additional assessments outside the scope of SCS 0108) Antenna Parameters Frequency Return Loss Impedance 2250 MHz 17.2 dB 64.4 ) + 6.3 jQ 2350 MHz 26.9 dB 53.7 0 — 2.8 jQ 2450 MHz 32.4 dB 52.1 Q — 1.3 jQ 2550 MHz 46.8 dB 50.3 Q + 0.4 jQ 2650 MHz 17.8 dB 64.1 9 — 4.0 j 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: CD2450V3—1186_Jan19 Page 3 of 5

Impedance Measurement Plot File View Channel Sweep Calbration Trace Scale Marker System Window Help 7.00 1 3 200 a a > fso000 ane 32 ak! «s 00 |— x Tiswur amvevar Is oo —. =— ® 4 in ue 10 w00 d 13.00 —~ — — 18.00 * z f23.00 f2s.00 "+—— — 4 M * / 3.00 h 4 fos.00 —— besse chtaug= oo . Chit: Star: 1.35000 GHe —— & Stop 235000 GHe 1 2 250000 GHe 4400 0 a4a.74ph.. 34400 2 2350000 GHez 23 S69pF 2 450000 GHz 51.770pF a 2 550000 Ghe 23 537 pH s 2 #50000 Gite 15 085 pF ch t Aug= 20 Cht: Start 1.35000 Gitz — Stop 235000 GHz Status CH 1: C 1—Port Avg=20 Delay LCL Certificate No: CD2450V3—1186_Jan19 Page 4 of 5

DASY5 E—field Result Date: 30.01.2019 Test Laboratory: SPEAG Lab2 DUT: HAC Dipole 2450 MHz; Type: CD2450V3; Serial: CD2450V3 — SN: 1186 Communication System: UID 0 — CW ; Frequency: 2450 MHz Medium parameters used: o =0 $/m, & = 1; p =0 kg/m? Phantom section: RF Section Measurement Standard: DASYS (IEEEAEC/ANSI C63.19—2011) DASY52 Configuration: Probe: EF3DV3 — SN4013; ConvF(1, 1, 1) @ 2450 MHz; Calibrated: 03.01.2019 e e e e ce Sensor—Surface: (Fix Surface) Electronics: DAESn781; Calibrated: 09.01.2019 Phantom: HAC Test Arch with AMCC; Type: SD HAC PO1 BA; Serial: 1070 DASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Dipole E—Field measurement @ 2450MHz/E—Scan — 2450MHz 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 =72.75 V/m; Power Drift = —0.00 dB Applied MIF=0.00 dB RF audio interference level = 38.54 dBV/m Emission category: M2Z MIF scaled E—field Grid 1 M2 |Grid 2 M2— |Grid 3 M2 38.09 dBV/m|38.45 dBV/m |38.43 dBV/m (Grid 4 M2 Grid 6 M2 37.44 dBV/m 37.62 dBV/m Grid 7 M2 |Grid 8 M2 |Grid 9 M2 38.24 dBV/m|38.54 dBV/m|38.45 dBV/m 3.97 5.30 —6.62 0 dB = 84.53 V/m = 38.54 dBV/m Certificate No: CD2450V3—1186_Jan19 Page 5 of 5

Calibration Laboratory of \\élz/"//'// G. Schweizerischer Kalibrierdionst Schmid & Partner M g Service suisse d‘étalonnage Engineering AG ho e Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland 24@53 S Swiss Calibration Service Hiiale Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multiateral Agreement for the recognition of calibration cortificates Client Sporton Certificato No: EF3—4047_Jan19 CALIBRATION CERTIFICATE Object EF3DV3— SN:4047 Calibration procedure(s) QA CAL—02.v8, QA CAL—25.07 Calibration procedure for E—field probes optimized for close near field evaluations in air Caltbration date: January 30, 2019 This calibration certificate documents the traceabilty to national standards, which realize the physical units of measurements (S1). The measurements and the uncertainties with confidence probabilty are given on the following pages and are part of the certificate. Al calibrations have been conducted in the closed laboratory facilty: environment temperature (22 + 3)°C and humidity < 70% Calibration Equipment used (MTE critical for calibration) Primary Standards iD Gal Date (Certficate No.) Scheduled Calibration Power meter NRP SN: 104778 04—Apr—18 (No. 217—02672/02673) Apr—19 Power sensor NRP—291 SN: 103244 04—Apr—18 (No. 217—02672) Apr—19 Power sensor NRP—291 SN: 103245 04—Apr:18 (No. 217—02673) Apr—19 Reference 20 dB Attenuator SN: $5277 (205) 4—Apr—18 (No. 217—02682) Aprtg DaE4 SN. 789 14—Jan—19 (No. DAE4—789_Jan19) Jan—20 Reference Probe ERIDV6 SN 2328 09—Oct—18 (No. ER3—2328_Oct18) Oct—19 Secondary Standards iD Check Date (in house) Scheduled Check Power meter E44198 SN: GB41203B74 06—Apr—16 (in house check Jun—18) in house check: Jun—20 Power sensor E4412A SN: MY41498087 06—Apr—16 (in house check Jun—18) in house check; Jun—20 Power sensor E4412A SN: 000110210 06—Apr:—16 in house check Jun—18) in house check; Jun—20 RF generator HP 8648G SN: US3642U01700 04—Aug—99 (in house check Jun—18) in house check: Jun—20 Network Analyzer E835BA SN: US41080477 31—Mar—14 (in house check Oct—18) in house check: Oct—10 Name Function Signature Callorated by: Manu Seite Laboratory Technician /, rarer eZF) v 7 ie Approved by: Katia Polovie Technical Manager /g/4 Issued: January 31, 2019 This calibration certficate shall not be reproduced except in full without writen approval ofthe laboratory. Certificate No: EF3—4047_Jan19 Page 1 of 9

Calibration Laboratory of G Schweizerischer Kalibrierdienst Schmid & Partner ; Service suisse d‘étalonnage Engineering AG «g Servizio svizzero di taratura Zoughausstrasse 43, 8004 Zurich, Switzerland Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 TheSwiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Glossary: NORMx,y,z sensitivity in free space DCP diode compression point CF crest factor (1/duty_cycle) of the RF signal A, B,C, D modulation dependent linearization parameters En incident E—field orientation normal to probe axis Ep incident E—field orientation parallel to probe axis Polarization q @p rotation around probe axis Polarization 8 8 rotation around an axis that is in the plane normal to probe axis (at measurement center), i.e., 8 = 0 is normal to probe axis Connector Angle information used in DASY system to align probe sensor X to the robot coordinate system Calibration is Performed According to the Following Standards: a) IEEE Std 1309—2005, " IEEE Standard for calibration of electromagnetic field sensors and probes, excluding antennas, from 9 kHz to 40 GHz®, December2005 b) CTIA Test Plan for Hearing Aid Compatibilty, Rev 3.1.1, May 2017 Methods Applied and Interpretation of Parameters: NORMxy,z: Assessed for E—field polarization 8 = 0 for XY sensors and 3 = 90 for Z sensor (f < 900 MHz in TEM—cell; £> 1800 MHz: R22 waveguide). NORM(Mx.y,z = NORMx,y,z * frequency_response (see Frequency Response Chart). DCPxy,z: DCP are numerical linearization parameters assessed based on the data of power sweep with CW signal (no uncertainty required). DCP does not depend on frequency nor media. PAR: PAR is the Peak to Average Ratio that is not calibrated but determined based on the signal characteristics Axsy.z Bxy,z; Coy,z; Dxy.2; VRxy,z: A, B, C, D are numerical linearization parameters assessed based on the data of power sweep for specific modulation signal. The parameters do not depend on frequency nor media. VR is the maximum calibration range expressed in RMS voltage across the diode. Spherical isotropy (3D deviation from isotropy): in a locally homogeneous field realized using an open waveguide setup. Sensor Offset: The sensor offset corresponds to the offset of virtual measurement center from the probetip (on probe axis). No tolerance required. Connector Angle: The angle is assessed using the information gained by determining the NORMsx (no uncertainty required). Certificate No: EF3—4047_Jan19 Page 2 of 9

EF3DV3 — SN:4047 January 30, 2019 DASY/EASY — Parameters of Probe: EF3DV3 — SN:4047 Basic Calibration Parameters Sensor X Sensor Y Sensor Z Unc (k=2) Norm (uV/(V/m)*) 0.84 0.68 1.20 *10.1 % DCP (mV)" 96.3 98.2 94.1 Calibration results for Frequency Response (30 MHz — 6 GHz) Frequency Target E—Field Measured Deviation Measured Deviation Unc (k=2) MHz V/im E—field (En) E—normal E—field (Ep) E—normal % Vim in % V/im in % 30 77 .2 77.3 0.2% 77.3 0.1% £5.1 % 100 77 .4 78.0 0.8% 77.9 0.6% #5.1 % 450 77.1 77.8 1.0% 77.9 1.1% #5.1 % 600 77.1 77.4 0.5% 77.7 0.9% #5.1 % 750 77.2 77.4 0.2% 77.A 0.2% #5.1 % 1800 140.4 136.9 —2.5% 137.3 —2.2% #5.1 % 2000 133.0 129.2 —2.8% 129.4 —2.1% £#5.1 % 2200 124.7 121.4 —2.1% 122.7 —1.6% #5.1 % 2500 123.6 120.6 —2.4% 121.8 —1.4% £5.1 % 3000 78.9 75.4 ~4.4% 75.9 —3.7% £5.1 % 3500 256.3 248.2 —3.1% 246.0 ~4.0% £5.1 % 3700 251.0 240.6 ~4.1% 240.2 ~4.3% £5.1 % 5200 50.9 50.9 0.1% 51.1 0.6% #5.1 % 5500 49.6 49.0 —1.3% 48.7 —2.0% £5.1 % 5800 48.9 49.2 0.6% 49.3 0.8% £#5.1 % 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%. ® Numerical linearization parameter: uncertainty not required. Uncertainty is determined using the max. deviation from linear response applying rectangular distribution and is expressed for the square of the field value. Certificate No: EF3—4047_Jan19 Page 3 of 9

EF3DV3 — SN:4047 January 30, 2019 DASY/EASY — Parameters of Probe: EF3DV3 — SN:4047 Calibration Results for Modulation Response UID Communication System Name A B C D VR Max Max dB dBvuV dB mV dev. Unc® (k=2) 0 Cw x 0.00 0.00 1.00 0.00 134.9 #3.3 % £4.7% Y¥ 0.00 0.00 1.00 134.5 Z 0.00 0.00 1.00 145.8 10021— GSM—FDD (TDMA, GMSK) X 286 71.7 16.2 9.39 148.8 #2.2% |+4.7% DAC Y z74 674 14.0 134.9 Z 246 70.8 16.0 134.1 10061— IEEE 802.11b WiFi 2.4 GHz X 3.86 74.5 22.3 3.60 1479 £0.9% £+4.7% CAB (DSSS, 11 Mbps) Y 4.32 75.1 21.9 149.2 Z 3.08 69.7 19.8 135.9 10069— IEEE 802.11a/h WiFi 5 GHz X 1116 70.1 24.2 10.56 133.8 £3.0 % £4.7 % CAC (OFDM, 54 Mbps) Y 1116 s9.9 23.3 133.4 Z 10.90 69.7 24.0 140.7 10077— IEEE 802.11g WiFi 2.4 GHz X 10.27 70.0 24.8 11.00 132.3 £3.0% £4.7% CAB (DSSS/OFDM, 54 Mbps) Y 10.50 70.4 24.7 133.1 Z 10.09 69.8 24.7 138.1 10172— LTE—TDD (SC—FDMA, 1 RB, 20 X 6.24 71.6 25.1 9.21 136.7 £3.0% £4.7% CAG MHz, QPSK) Y¥ 6.55 72.1 24.8 139.6 Z 5.89 70.4 24.4 143.0 10173— LTE—TDD (SC—FDMA, 1 RB, 20 X 6.60 72.6 25.6 9.48 135.6 #27% |+4.7% CAG MHz, 16—QAM) Y¥ _6.95 73.0 25.2 138.7 Z 6.20 714 24.9 140.9 10174— LTE—TDD (SC—FDMA, 1 RB, 20 xX 7.30 72.9 26.4 10.25 135.9 #2.2% £4.7% CAG MHz, 64—QAM) Y 7.63 73.3 26. 139.1 Z 6.88 71.6 25.7 141.1 10295— CDMA2000, RC1, SO3, 1/8th xX 6.03 71.0 27.2 1249 12814 #14% £4.7% AAB Rate 25 fr. Y s.36 71.0 26.3 115.8 Z 5.50 68.7 25.8 114.5 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%. ® Numerical linearization parameter: uncertainty not required. Uncertainty is determined using the max. deviation from linear response applying rectangular distribution and is expressed for the square of the field value. Certificate No: EF3—4047_Jan19 Page 4 of 9

EF3DV3 — SN:4047 January 30, 2019 DASY/EASY — Parameters of Probe: EF3DV3 — SN:4047 Sensor Frequency Model Parameters Sensor X Sensor Y Sensor Z Frequency Corr. (LF) —0.33 —0.24 5.86 Frequency Corr. (HF) 2.82 2.82 2.82 Sensor Model Parameters Other Probe Parameters Sensor Arrangement Rectangular Connector Angle (°) —32.7 Mechanical Surface Detection Mode enabled Optical Surface Detection Mode disabled Probe Overall Length 335 mm Probe Body Diameter 12 mm Tip Length 25 mm Tip Diameter 4 mm Probe Tip to Sensor X Calibration Point 1.5 mm Probe Tip to Sensor Y Calibration Point 1.5 mm Probe Tip to Sensor Z Calibration Point 1.5 mm Certificate No: EF3—4047_Jan19 Page 5 of 9

EFSDV3 — SN:4047 January 30, 2019 Receiving Pattern (¢), 9 = 0° £2600 MHz,TEM,O° £=1800 MHz,R22,0° i o uy * # * * * * * ° * e To x ¥ 2 To x ¥ 2 Receiving Pattern (¢), 8 = 90° £=600 MHz,TEM,90° f=1800 MHz,R22,90° Certificate No: EF3—4047_Jan19 Page 6 of 9

EF3DV3 — SN:4047 January 30, 2019 Receiving Pattern (¢), 9 = 0° 0 Roll[] |80HH1 25®!dfi1 Uncertainty of Axial Isotropy Assessment: £ 0.5% (k=2) Receiving Pattern (¢), 9 = 90° Ertor [48] Roll[] 10&"«1 BOF.MLZ 180'6.T\AIH1 zslfi‘fiHz Uncertainty of Axial Isotropy Assessment: £ 0.5% (k=2) Certificate No: EF3—4047_Jan19 Page 7 of 9

EF3DV3 — SN:4047 January 30, 2019 Dynamic Range f(E—field) (TEM cell, f= 900 MHz) 104 3. "G m 5 10 3 C £ 102 10‘ 10° 101 10 10 E total [V/im| ([¢] not compensated compensated 2 1O | m | 3 i 05m—m—*fi= L | aof ced 100 101 102 10+ E total [V/m]l hot compensated compensated Uncertainty of Linearity Assessment: £0.6% (k=2) Certificate No: EF3—4047_Jan19 Page 8 of 9

EFSDV3 — SN:4047 January 30, 2019 Deviation from Isotropy in Air Error (§, 8), £= 900 MHz Deviation 410 —0% —08 —04 —02 00 Uncertainty of Spherical Isotropy Assessment: £ 2.6% (k=2) Certificate No: EF3—4047_Jan19 Page 9 of 9

ones —fomenasa. C\ Collsboration with s{‘\“\“@’$ 4BA o No Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China chuisration KGoany No CNAS LO570 Tel: +86—10—62304633—2512 Fax: +86—10—62304633—2504 E—mail: cttl@chinattl.com Hittp://www.chinattl.on Client : Sporton Certificate No: 218—60383 CALIBRATION CERTIFICATE Object DAE4 — SN: 1326 Calibration Procedure(s) FF—211—002—01 Calibration Procedure for the Data Acquisition Electronics (DAEx) Calibration date: September 18, 2018 This calibration Certificate documents the traceability to national standards, which realize the physical units of measurements(Sl). The measurements and the uncertainties with confidence probability are given on the following pages and are part of the certificate. All calibrations have been conducted in the closed laboratory facility: environment temperature(22#3)c and humidity<70%. Calibration Equipment used (M&TE critical for calibration) Primary Standards ID # Cal Date(Calibrated by, Certificate No.) Scheduled Calibration Process Calibrator 753 1971018 20—Jun—18 (CTTL, No.J18X05034) June—19 Name Function Signature Calibrated by: Yu Zongying SAR Test Engineer . (— —~3, ; s a it ~c~ Reviewed by: Lin Hao SAR Test Engineer ~ fi:"fi,%% \ $ Approved by: Qi Dianyuan SAR Project Leader \“/’ / Issued: September 20, 2018 This calibration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: Z18—60383 Page 1 of 3

WC \n Collsboration with =‘/"[‘], a ies CALIBRATION LABORATORY Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China Tel: +86—10—62304633—2512 Fax: +86—10—62304633—2504 E—mail: cttl@chinattl.com Hitp://www.chinattl.en Glossary: DAE data acquisition electronics Connector angle information used in DASY system to align probe sensor X to the robot coordinate system. Methods Applied and Interpretation of Parameters: e DC Voltage Measurement: Calibration Factor assessed for use in DASY system by comparison with a calibrated instrument traceable to national standards. The figure given corresponds to the full scale range of the voltmeter in the respective range. «_ Connector angle: The angle of the connector is assessed measuring the angle mechanically by a tool inserted. Uncertainty is not required. * The report provide only calibration results for DAE, it does not contain other performance test results. Certificate No: Z18—60383 Page 2 of 3

4C\ Collsboration with =‘/"[‘/, a ies CALIBRATION LABORATORY Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China Tel: +86—10—62304633—2512 Fax: +86—10—62304633—2504 E—mail: cttl@chinattl.com Http:/www.chinattl.on DC Voltage Measurement A/D — Converter Resolution nominal High Range: 1LSB = 6.1uV , full range = —100... +300 mV Low Range: 1LSB = 61nV , full range = AAuslll +3mV DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec Calibration Factors X Y Z High Range 404.892 + 0.15% (k=2) 405.233 £0.15% (k=2) 404.616 + 0.15% (k=2) Low Range 3.98868 + 0.7% (k=2) 3.99146 + 0.7% (k=2) 3.99194 + 0.7% (k=2) Connector Angle Connector Angle to be used in DASY system 68041 ° Certificate No: Z18—60383 Page 3 of 3


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Document Modified: 2019-06-12 13:29:22
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