SAR Report Appendix 2

FCC ID: AFJ395202

RF Exposure Info

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FCCID_4079269

Schmid & Partner Engineering AG s £ e a g Zeughausstrasse 43, 8004 Zurich, Switzerland Phone +41 44 245 9700, Fax +41 44 245 9779 874 info@speag.com, http://www.speag.com IMPORTANT NOTICE USAGE OF THE DAE 4 The DAE unit is a delicate, high precision instrument and requires careful treatment by the user. There are no serviceable parts inside the DAE. Special attention shall be given to the following points: Battery Exchange: The battery cover of the DAE4 unit is closed using a screw, over tightening the screw may cause the threads inside the DAE to wear out. Shipping of the DAE: Before shipping the DAE to SPEAG for calibration, remove the batteries and pack the DAE in an antistatic bag. This antistatic bag shall then be packed into a larger box or container which protects the DAE from impacts during transportation. The package shall be marked to indicate that a fragile instrument is inside. E—Stop Failures: Touch detection may be malfunctioning due to broken magnets in the E—stop. Rough handling of the E—stop may lead to damage of these magnets. Touch and collision errors are often caused by dust and dirt accumulated in the E—stop. To prevent Estop failure, the customer shall always mount the probe to the DAE carefully and keep the DAE unit in a non—dusty environment if not used for measurements. Repair: Minor repairs are performed at no extra cost during the annual calibration. However, SPEAG reserves the right to charge for any repair especially if rough unprofessional handling caused the defect. DASY Configuration Files: Since the exact values of the DAE input resistances, as measured during the calibration procedure of a DAE unit, are not used by the DASY software, a nominal value of 200 MOhm is given in the corresponding configuration file. Important Note: Warranty and calibration is void if the DAE unit is disassembled partly or fully by the Customer. Important Note: Never attempt to grease or oil the E—stop assembly. Cleaning and readjusting of the E— stop assembly is allowed by certified SPEAG personnel only and is part of the annual calibration procedure. Important Note: ® To prevent damage of the DAE probe connector pins, use great care when installing the probe to the DAE. Carefully connect the probe with the connector notch oriented in the mating position. Avoid any rotational movement of the probe body versus the DAE while turning the locking nut of the connector. The same care shall be used when disconnecting the probe from the DAE. Schmid & Partner Engineering TN_BRO40315AD DAE4.doc 11.12.2009

Calibration Laboratory of Schweizerischer Kalibrierdienst Schmid & Partner Service suisse d‘étalonnage Engineering AG Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Client UlItratech Labs Certificate No: DAE4—874_Aug18 [CALIBRATION CERTIFICATE Object DAE4 — SD 000 DO4 BJ — SN: 874 Calibration procedure(s) QA CAL—O6.v29 Calibration procedure for the data acquisition electronics (DAE) Calibration date: August 14, 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 (Certificate No.) Scheduled Calibration Keithley Multimeter Type 2001 SN: 0810278 31—Aug—17 (No:21092) Aug—18 Secondary Standards ID # Check Date (in house) Scheduled Check Auto DAE Calibration Unit SE UWS 053 AA 1001 O04—Jan—18 (in house check) In house check: Jan—19 Calibrator Box V2.1 SE UMS 006 AA 1002 04—Jan—18 (in house check) In house check: Jan—19 Name Function Signature Calibrated by: Adrian Gehring Laboratory Technician 5:/,% Approved by: Sven Kihn ‘Deputy Manager £ / (fl s uL7 iJ WW Issued: August 14, 2018 This calibration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: DAE4—874_Aug18 Page 1 of 5

Calibration Laboratory of oS 6 Schweizerischer Kalibrierdienst Schmid & Partner il;:\\—\—‘//! IEE//;: Service suisse d‘étalonnage Engi neering AG z.//—\\6 Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland 7 ///_\\\ y Swiss Calibration Service * uhudluls N Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Glossary DAE data acquisition electronics Connector angle information used in DASY system to align probe sensor X to the robot coordinate system. Methods Applied and Interpretation of Parameters e DC Voltage Measurement: Calibration Factor assessed for use in DASY system by comparison with a calibrated instrument traceable to national standards. The figure given corresponds to the full scale range of the voltmeter in the respective range. e Connector angle: The angle of the connector is assessed measuring the angle mechanically by a tool inserted. Uncertainty is not required. e The following parameters as documented in the Appendix contain technical information as a result from the performance test and require no uncertainty. DC Voltage Measurement Linearity: Verification of the Linearity at +10% and —10% of the nominal calibration voltage. Influence of offset voltage is included in this measurement. Common mode sensitivity: Influence of a positive or negative common mode voltage on the differential measurement. Channel separation: Influence of a voltage on the neighbor channels not subject to an input voltage. AD Converter Values with inputs shorted: Values on the internal AD converter corresponding to zero input voltage Input Offset Measurement. Output voltage and statistical results over a large number of zero voltage measurements. Input Offset Current: Typical value for information; Maximum channel input offset current, not considering the input resistance. Input resistance: Typical value for information: DAE input resistance at the connector, during internal auto—zeroing and during measurement. Low Battery Alarm Voltage: Typical value for information. Below this voltage, a battery alarm signal is generated. Power consumption: Typical value for information. Supply currents in various operating modes. Certificate No: DAE4—874_Aug18 Page 2 of 5

DC Voltage Measurement A/D — Converter Resolution nominal! High Range: 1LSB = 6.1uV , full range = —100...+300 mV Low Range: 1LSB = 6inV , full range = —1....... +3mV DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec Calibration Factors KX Y Z High Range 404.303 + 0.02% (k=2) 404.787 + 0.02% (k=2) 404.363 + 0.02% (k=2) Low Range 3.97851 + 1.50% (k=2) 4.01725 + 1.50% (k=2) 4.01560 + 1.50% (k=2) Connector Angle Connector Angle to be used in DASY system 116.5 °+1 ° Certificate No: DAE4—874_Aug18 Page 3 of 5

Appendix (Additional assessments outside the scope of SCS0108) 1. DC Voltage Linearity High Range Reading (uV) Difference (uV) Error (%) Channel X + Input 199997.28 —0.43 —0.00 Channel X + Input 20002.82 0.40 0.00 Channel X — Input —20000.19 0.51 —0.00 Channel Y + Input 199998.66 0.96 0.00 Channel Y + Input 20001.51 —0.89 —0.00 Channel Y — Input —20000.87 —0.01 0.00 Channel Z + Input 199998.67 0.43 0.00 Channel Z + Input 20000.77 —1.59 —0.01 Channel Z — Input —20002.13 —1.25 0.01 Low Range Reading (uV) Difference (uV) Error (%) Channel X + Input 2003.07 1.10 0.05 Channel X + Input 202.62 0.41 0.20 Channel X — Input —197.10 0.63 —0.32 Channel Y + Input 2002.52 0.63 0.03 Channel Y + Input 201.77 —0.22 —0.11 Channel Y — Input —198.38 —0.50 0.25 Channel Z + Input 2002.31 0.66 0.03 Channel Z + Input 200.94 —0.89 —0.44 Channel Z — Input —199.11 —1.06 0.54 2. Common mode sensitivity DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec Common mode High Range Low Range Input Voltage (mV) Average Reading (uV) Average Reading (uV) Channel X 200 —9.11 —10.42 — 200 1215 10.40 Channel Y 200 3.91 3.71 — 200 —4.67 —5.18 Channel Z 200 4.63 4.93 — 200 —7.79 —7.45 3. Channel separation DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec Input Voltage (mV) Channel X (uV) Channel Y (uV) Channel Z (uV) Channel X 200 — —0.72 —3.54 Channel Y 200 5.82 — —0.50 Channel Z 200 8.99 3.40 — Certificate No: DAE4—874_Aug18 Page 4 of 5

4. AD—Converter Values with inputs shorted DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec High Range (LSB) Low Range (LSB) Channel X 15806 16071 Channel Y 15909 15063 Channel Z 16127 16042 5. Input Offset Measurement DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 sec Input 10MCQ Average (uV) min. Offset (uV) max. Offset (uv) *"* '():\‘,’;am" Channel X —0.33 119 0.58 0.38 Channel Y 0.59 —0.37 3.77 0.54 Channel Z 0.54 —0.39 2.08 0.53 6. Input Offset Current Nominal Input circuitry offset current on all channels: <25fA 7. Input Resistance (Typical values for information) Zeroing (kOhm) Measuring (MOhm) Channel X 200 200 Channel Y 200 200 Channel Z 200 200 8. Low Battery Alarm Voltage (Typical values for information) Typical values Alarm Level (VDC) Supply (+ Veoe) +7.9 Supply (— Vec) —7.6 9. Power Consumption (Typical values for information) Typical values Switched off (mA¥) Stand by (mA) Transmitting (mA) Supply (+ Vec) +0.01 +6 +14 Supply (— Vec) —0.01 —8 —9 Certificate No: DAE4—874_Aug18 Page 5 of 5

Calibration Laboratory of XR P1 /m N\ Z e Sb staeas Schweizerischer Kalibrierdienst S § l/’/ i“‘\\\ Schmid & Partner C Service suisse d‘étalonnage Engineering AG Servizio svizzero di taratura S I,/", * Zeughausstrasse 43, 8004 Zurich, Switzerland 7M .N Swiss Calibration Service *Atul u\“\\\ 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 Ultratech Labs Certificate No: EX3—3673_Aug18 CALIBRATION CERTIFICATE | Object EX3DV4— SN:3673 Calibration procedure(s) QA CAL—01.v9, QA CAL—12.v9, QA CAL—14.v4, QA CAL—23.v5, QA CAL—25.v6 Calibration procedure for dosimetric E—field probes Calibration date: August 23, 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 (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: S5277 (20x%) 04—Apr—18 (No. 217—02682) Apr—19 Reference Probe ES3DV2 SN: 3013 30—Dec—17 (No. ES3—3013_Dec17) Dec—18 DAE4 SN: 660 21—Dec—17 (No. DAE4—660_Dec17) Dec—18 Secondary Standards ID Check Date (in house) Scheduled Check Power meter E4419B SN: GB41293874 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 8648C .SN: US3642U01700 04—Aug—99 (in house check Jun—18) In house check: Jun—20 Network Analyzer E8358A SN: US41080477 31—Mar—14 (in house check Oct—17) In house check: Oct—18 Name Function Signature Calibrated by: Jeton Kastrati Laboratory Technician V Approved by: Katia Pokovic Technical Manager yeestec Issued: August 24, 2018 This calibration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: EX3—3673_Aug18 Page 1 of 11

Callbration Laboratory of \x‘\‘@/’:&, S Schweizerischer Kalibrierdienst Schmid & Partner ;E"\\\‘-—'—'//El IE/? C Service suisse d‘étalonnage Engineering AG T m cla Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland ";/,,//7——/:'\\\\;\\3“ S Swiss Calibration Service nhatis Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Glossary: TSL tissue simulating liquid NORMx,y,z sensitivity in free space ConvF sensitivity in TSL / NORMx,y,z DCP diode compression point CF crest factor (1/duty_cycle) of the RF signal A, B, C, D modulation dependent linearization parameters Polarization o @ rotation around probe axis Polarization 8 8 rotation around an axis that is in the plane normal to probe axis (at measurement center), ie., 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 1528—2013, "IEEE Recommended Practice for Determining the Peak Spatial—Averaged Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques", June 2013 b) IEC 62209—1, ", "Measurement procedure for the assessment of Specific Absorption Rate (SAR) from hand— held and body—mounted devices used next to the ear (frequency range of 300 MHz to 6 GHz)", July 2016 c) EC 62209—2, "Procedure to determine the Specific Absorption Rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30 MHz to 6 GHz)", March 2010 d) KDB 865664, "SAR Measurement Requirements for 100 MHz to 6 GHz" Methods Applied and Interpretation of Parameters: NORMx,y,z: Assessed for E—field polarization 8 = 0 (f < 900 MHz in TEM—cell; f > 1800 MHz: R22 waveguide). NORMx,y,z are only intermediate values, i.e., the uncertainties of NORMx,y,z does not affect the E®—field uncertainty inside TSL (see below ConvF). NORM(P)x,y,z = NORMx,y,z * frequency_response (see Frequency Response Chart). This linearization is implemented in DASY4 software versions later than 4.2. The uncertainty of the frequency response is included in the stated uncertainty of Convr. DCPx,y,z:;: DCP are numerical linearization parameters assessed based on the data of power sweep with CW signal (no uncertainty required). DCP does not depend on frequency nor media. PAR: PAR is the Peak to Average Ratio that is not calibrated but determined based on the signal characteristics Ax,y,z; Bx,y,z; Cx,y,z; Dx,y,z; VRx,y,z: A, B, C, D are numerical linearization parameters assessed based on the data of power sweep for specific modulation signal. The parameters do not depend on frequency nor media. VR is the maximum calibration range expressed in RMS voltage across the diode. ConvF and Boundary Effect Parameters: Assessed in flat phantom using E—field (or Temperature Transfer Standard for f < 800 MHz) and inside waveguide using analytical field distributions based on power measurements for f > 800 MHz. The same setups are used for assessment of the parameters applied for boundary compensation (alpha, depth) of which typical uncertainty values are given. These parameters are used in DASY4 software to improve probe accuracy close to the boundary. The sensitivity in TSL corresponds to NORMx,y,z * ConvF whereby the uncertainty corresponds to that given for ConvF. A frequency dependent ConvF is used in DASY version 4.4 and higher which allows extending the validity from + 50 MHz to + 100 MHz. Spherical isotropy (3D deviation from isotropy): in a field of low gradients realized using a flat phantom exposed by a patch antenna. Sensor Offset: The sensor offset corresponds to the offset of virtual measurement center from the probe tip (on probe axis). No tolerance required. Connector Angle: The angle is assessed using the information gained by determining the NORMx ({no uncertainty required). Certificate No: EX3—3673_Aug18 Page 2 of 11

EX3DV4 — SN:3673 August 23, 2018 Probe EX3DV4 SN:3673 Manufactured: September 9, 2008 Calibrated: August 23, 2018 Calibrated for DASY/EASY Systems (Note: non—compatible with DASY2 system!) Certificate No: EX3—3673_Aug18 Page 3 of 11

EX3DV4— SN:3673 August 23, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3673 Basic Calibration Parameters Sensor X Sensor Y Sensor Z Unc (k=2) Norm (uV/(V/m))* 0.53 0.47 0.46 +10.1 % DCP (mV)" 98.7 102.5 95.3 Modulation Calibration Parameters UID Communication System Name A B C D VR Unc® dB dBVuV dB mV (k=2) 0 Cw xX 0.0 0.0 1.0 0.00 1784 +3.8 % Y 0.0 0.0 1.0 186.9 Z 0.0 0.0 1.0 193.8 The reported uncertainty of measurement is stated as the standard uncertainty of measurement multiplied by the coverage factor k=2, which for a normal distribution corresponds to a coverage probability of approximately 95%. * The uncertainties of Norm X,Y,Z do not affect the E*—field uncertainty inside TSL (see Pages 5 and 6). ® 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: EX3—3673_Aug18 Page 4 of 11

EX3DV4— SN:3673 August 23, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3673 Calibration Parameter Determined in Head Tissue Simulating Media Relative Conductivity Depth ° Unc f (MHz)®© Permittivity " (S/m)" ConvF X ConvFY ConvFZ Aipha® (mm) (k=2) 150 52.3 0.76 10.71 10.71 10.71 0.00 1.00 + 13.3 % 450 43.5 0.87 10.14 10.14 10.14 0.13 1.20 + 13.3 % 600 42.7 0.88 9.28 9.28 9.28 0.10 1.20 + 13.3 % 835 41.5 0.90 9.39 9.39 9.39 0.53 0.80 + 12.0 % 900 41.5 0.97 9.08 9.08 9.08 0.52 0.80 + 12.0 % 1640 40.2 1.31 8.04 8.04 8.04 0.37 0.86 + 12.0 % 1810 40.0 1.40 7.87 7.87 7.87 0.31 0.87 + 12.0 % 2450 39.2 1.80 7.23 7.23 7.23 0.35 0.89 + 12.0 % 5200 36.0 4.66 4.86 4.86 4.86 0.40 1.80 + 13.1 % 5300 35.9 4.76 4.68 4.68 4.68 0.40 1.80 +13.1 % 5500 35.6 4.96 4.94 4.94 4.94 0.40 1.80 + 13.1 % 5600 35.5 5.07 4.78 4.78 4.78 0.40 1.80 +13.1 % 5800 35.3 5.27 4.38 4.38 4.38 0.40 1.80 + 13.1 % © Frequency validity above 300 MHz of + 100 MHz only applies for DASY v4.4 and higher (see Page 2), else it is restricted to + 50 MHz. The uncertainty is the RSS of the ConvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity below 300 MHz is + 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency validity can be extended to + 110 MHz. " At frequencies below 3 GHz, the validity of tissue parameters (s and o) can be relaxed to + 10% if liquid compensation formula is applied to measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters (s and 0) is restricted to + 5%. The uncertainty is the RSS of the ConvF uncertainty for indicated target tissue parameters. © Alpha/Depth are determined during calibration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is always less than + 1% for frequencies below 3 GHz and below + 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip diameter from the boundary. Certificate No: EX3—3673_Aug18 Page 5 of 11

EX3DV4— SN:3673 August 23, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3673 Calibration Parameter Determined in Body Tissue Simulating Media Relative Conductivity Depth ° Unc _f(MHz)° |_Permittivity" (S/m)" ConvF X ConvF Y ConvFZ Alpha® _(mm) (k=2) 150 61.9 0.80 10.55 10.55 10.55 0.00 1.00 + 13.3 % 450 56.7 0.94 10.31 10.31 10.31 0.08 1.20 +13.3 % 600 56.1 0.95 9.89 9.89 9.89 0.10 1.20 +13.3 % 835 55.2 0.97 9.15 9.15 9.15 0.46 0.86 +12.0 % 900 55.0 1.05 9.31 9.31 9.31 0.47 0.85 +12.0 % 1640 53.7 1.42 8.05 8.05 8.05 0.39 0.86 +12.0 % 1810 53.3 1.52 7.52 7.52 7.52 0.40 0.86 + 12.0 % 2450 52.7 1.95 7.18 7.18 7.18 0.37 0.88 +12.0 % 5200 49.0 5.30 4.33 4.33 4.33 0.50 1.90 +131 % 5300 48.9 5.42 4.16 4.16 4.16 0.50 1.90 +131 % 5500 48.6 5.65 4.30 4.30 4.30 0.50 1.90 +131 % 5600 48.5 5.77 4.13 4.13 4.13 0.50 1.90 +131 % 5800 48.2 6.00 3.89 3.89 3.89 0.50 1.90 +131 % C Frequency validity above 300 MHz of + 100 MHz only applies for DASY v4.4 and higher (see Page 2), else it is restricted to + 50 MHz. The uncertainty is the RSS of the ConvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity below 300 MHz is + 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency validity can be extended to + 110 MHz. " At frequencies below 3 GHz, the validity of tissue parameters (s and 0) can be relaxed to + 10% if liquid compensation formula is applied to measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters (s and 0) is restricted to + 5%. The uncertainty is the RSS of the ConvF uncertainty for indicated target tissue parameters. © Alpha/Depth are determined during calibration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is always less than + 1% for frequencies below 3 GHz and below + 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip diameter from the boundary. Certificate No: EX3—3673_Aug18 Page 6 of 11

EX3DV4— SN:3673 August 23, 2018 Frequency Response of E—Field. (TEM—Cell:ifi110 EXX, Waveguide: R22) hn Frequency response {normalized) 1A PfrrrminsntressssressoespororrrinnstrmmsrronsaefersmmnmrmenmmesirtsferrnrnnnrnsrserereceeesJ 1Q]mlSmtenetum._frmirrrrRiefrrmereercoomeemunipecee oi nm m enrerfrmesineig oocBo++ ) O ] essm ne en en nncb nn snn nenennsnne en en onchoon en en enonsesns eeenend en neeee e en se nee en en enchons en eenenee ns enn snn edecneee enenen snn e en dene en rem a Uncertainty of Frequency Response of E—field: *# 6.3% (k=2) Certificate No: EX3—3673_Aug18 Page 7 of 11

EX3DVA4— SN:3673 August 23, 2018 Receiving Pattern (¢), 8 = 0° f=600 MHz,TEM f=1800 MHz,R22 e 90_ 135 yA 0 OA 45 135 "*"**"** _ 45 & "*; s 5o 9 se¥ * *a & ~* % « * * * J * # A /. & ® h * j s # * a * \ & & 5 ‘-’ 4 % .! x~~* * * ‘_' ’ 4 1 * '; w *# | a®, *+ w *L * & f ‘ 4 ; *a iL & i 180— Ck 3 :Q 6 % ‘i\‘. IO 1 80 + ..\- : .‘ * # it . * . D& 040 osvVaos . $ $o u. ** "o2, oc oe 0s ( *z>~ y **%ec® e T to d | ge 4* ***ig.%.. 4e ro s 4 *J f f *+ 1 & ® # . & ‘ l # & . l x ‘ 1 * e«oly _« ».. k 4e e b.zs . o 205 _ es lc uze * L os5s 235 _ *n le@** —o345 ~~3% ~3%0 e e e e e & e e Tot X Y 2Z Tot X Y¥ Z 0.5—— o i vou i 5 0.047 i i i Lid i —0.5— f [ ] L uU p O $ Lfi I £_KLJI J _3..3._.} | Lo ] 1| —150 —100 —50 0 50 100 150 Roll ["] 8 *# [# _*® 100 MHz 600 MHz 1800 MHz 2500 MHz Uncertainty of Axial Isotropy Assessment: £ 0.5% (k=2) Certificate No: EX3—3673_Aug18 Page 8 of 11

EX3DV4—SN 3673 August 23, 2018 Dynamic Range f(SARneaq) Input Signal [uV] (TEM cell , feyai= 1900 MHz) C O —A SAR [mW/icm3] not compensated compensated Error [dB] 103 102 10—1 109 101 102 103 SAR [mW/cm3] not compensated compensated Uncertainty of Li nearlity Assessment: + 0.6% (k=2) Certificate No EX3—3673_Aug18 Page 9 of 11

EX3DV4— SN:3673 August 23, 2018 Conversion Factor Assessment f= 835 MHz,WGLS RYQ ({H_convF) f= 1810 MHz,WGLS R22 (H_convF) 3.5 | »| i 30—it* 25|13 25 [ 20 ‘ '.' 3. B Ob * @ 0 & | 3 20— 3 > 1 é 15{ ®o.0 & B +\ 150 10| 10 ho 8. 1 50 Tv~« 0.5— +. ty | ns. | *~ hove 0.0 t bropondommininmtnerednd dolemiad.| Lup Ad...srntomopomivsidhndormmmemecdeni Sriol oph m Amals wb Aroolleoningnnndmeoob sinttaidehomdonite 0 5 10 1 20 2w 30 35 43 0 5 0 1 20 25 30 35 40 z {mm] e x) z {mmj (%) # : 0 | & @ analytical measured analytical measured Deviation from Isotropy in Liquid Error (6, 9), f = 900 MHz Deviation —1.0 —0.8 —0.86 —0.4 —0.2 0.0 02 0.4 0.6 0.8 1.0 Uncertainty of Spherical Isotropy Assessment: + 2.6% (k=2) Certificate No: EX3—3673_Aug18 Page 10 of 11

EX3DV4— SN:3673 August 23, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3673 Other Probe Parameters Sensor Arrangement Triangular Connector Angle (°) 16.9 Mechanical Surface Detection Mode enabled Optical Surface Detection Mode disabled Probe Overall Length 337 mm Probe Body Diameter 10 mm Tip Length 9 mm Tip Diameter 2.5 mm Probe Tip to Sensor X Calibration Point 1 mm Probe Tip to Sensor Y Calibration Point 1 mm Probe Tip to Sensor Z Calibration Point 1 mm Recommended Measurement Distance from Surface 1.4 mm Certificate No: EX3—3673_Aug18 Page 11 of 11

Calibration Laboratory of Cuoa . sas i/ x S Schweizerischer Kalibrierdienst SChm!d & Partner iia%*/(@ c Service suisse d‘étalonnage Englneenng AG T es Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland 2(7 \\3 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 Ultratech Labs Certificate No: D450V3—1063_Aug16 CALIBRATION CERTIFICATE Object D450V3 — SN: 1063 Calibration procedure(s) QA CAL—15.v8 Calibration procedure for dipole validation kits below 700 MHz Calibration date: August 29, 2016 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 06—Apr—16 (No. 217—02288/02289) Apr—17 Power sensor NRP—Z91 SN: 103244 06—Apr—16 (No. 217—02288) Apr—17 Power sensor NRP—Z91 SN: 103245 06—Apr—16 (No. 217—02289) Apr—17 Reference 20 dB Attenuator SN: 5277 (20%) 05—Apr—16 (No. 217—02293) Apr—17 Type—N mismatch combination SN: 5047.2 / 06327 05—Apr—16 (No. 217—02295) Apr—17 Reference Probe ET3DV6 SN: 1507 31—Dec—15 (No. ET3—1507_Dec15) Dec—16 DAE4 SN: 654 12—Aug—16 (No. DAE4—654_Aug16) Aug—17 Secondary Standards ID # Check Date (in house) Scheduled Check Power meter E4419B SN: GB41293874 06—Apr—16 (No. 217—02285/02284) In house check: Jun—18 Power sensor E4412A SN: MY41498087 06—Apr—16 (No. 217—02285) In house check: Jun—18 Power sensor E4412A SN: 000110210 06—Apr—16 (No. 217—02284 In house check: Jun—18 RF generator HP 8648C SN: US3642U01700 04—Aug—99 (in house check Jun—16) In house check: Jun—18 Network Analyzer HP 8753E SN: US37390585 18—Oct—01 (in house check Oct—15) In house check: Oct—16 Name Function Signature 2 leAazd Calibrated by: Jeton Kastrati Laboratory Technician Approved by: Katia Pokovic Technical Manager mgIssued: August 29, 2016 This calibration certificate shall not be reproduced except in full without written approvalof the laboratory. Certificate No: D450V3—1063_Aug16 Page 1 of 8

Calibration . Laboratory of AY3 «N4 S Schweizerischer Kalibrierdienst Schmid & Partner il;\\—//sulE/;: c Service suisse d‘étalonnage Englneerlng AG . es Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland *///_\\\\\\? S Swiss Calibration Service Tulal Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreementfor the recognition of calibration certificates Glossary: TSL tissue simulating liquid ConvF sensitivity in TSL / NORM x.y,z N/A not applicable or not measured Calibration is Performed According to the Following Standards: a) IEEE Std 1528—2013, "IEEE Recommended Practice for Determining the Peak Spatial— Averaged Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques", June 2013 b) IEC 62209—1, "Procedure to measure the Specific Absorption Rate (SAR) for hand—held devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz)", February 2005 c) IEC 62209—2, "Procedure to determine the Specific Absorption Rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30 MHz to 6 GHz)", March 2010 d) KDB 865664, "SAR Measurement Requirements for 100 MHz to 6 GHz" Additional Documentation: e) DASY4/5 System Handbook Methods Applied and Interpretation of Parameters: Measurement Conditions: Further details are available from the Validation Report at the end of the certificate. All figures stated in the certificate are valid at the frequency indicated. Antenna Parameters with TSL: The dipole is mounted with the spacer to position its feed point exactly below the center marking of the flat phantom section, with the arms oriented parallel to the body axis. Feed Point Impedance and Return Loss: These parameters are measured with the dipole positioned under the liquid filled phantom. The impedance stated is transformed from the measurement at the SMA connector to the feed point. The Return Loss ensures low reflected power. No uncertainty required. Electrical Delay: One—way delay between the SMA connector and the antenna feed point. No uncertainty required. SAR measured: SAR measured at the stated antenna input power. SAR normalized: SAR as measured, normalized to an input power of 1 W at the antenna connector. SAR for nominal TSL parameters: The measured TSL parameters are used to calculate the nominal SAR result. The reported uncertainty of measurement is stated as the standard uncertainty of measurement multiplied by the coverage factor k=2, which for a normal distribution corresponds to a coverage probability of approximately 95%. Certificate No: D450V3—1063_Aug16 Page 2 of 8

Measurement Conditions DASY system configuration, as far as not given on page 1. DASY Version DASY5 V52.8.8 Extrapolation Advanced Extrapolation Phantom EL14 Flat Phantom Shell thickness: 2 + 0.2 mm Distance Dipole Center — TSL 15 mm with Spacer Zoom Scan Resolution dx, dy, dz =5 mm Frequency 450 MHz + 1 MHz Head TSL parameters The following parameters and calculations were applied. Temperature Permittivity Conductivity Nominal Head TSL parameters 22.0 °C 43.5 0.87 mho/m Measured Head TSL parameters (22.0 £0.2) °C 44.3 16 % 0.89 mho/m + 6 % Head TSL temperature change during test <0.5 °C SAR result with Head TSL SAR averaged over 1 cm* (1 g) of Head TSL Condition SAR measured 250 mW input power 1.14 Wikg SAR for nominal Head TSL parameters normalized to 1W 4.50 Wikg + 18.1 % (k=2) SAR averaged over 10 cm* (10 g) of Head TSL condition SAR measured 250 mW input power 0.761 Wi/kg SAR for nominal Head TSL parameters normalized to 1W 3.01 W/kg + 17.6 % (k=2) Body TSL parameters The following parameters and calculations were applied. Temperature Permittivity Conductivity Nominal Body TSL parameters 22.0 °C 56.7 0.94 mho/m Measured Body TSL parameters (22.0 + 0.2) °C 56.7 + 6 % 0.95 mho/m + 6 % Body TSL temperature change during test <0.5 °C ——— «+ SAR result with Body TSL SAR averaged over 1 cm* (1 g) of Body TSL Condition SAR measured 250 mW input power 1.15 Wikg SAR for nominal Body TSL parameters normalized to 1W 4.60 Wi/kg & 18.1 % (k=2) SAR averaged over 10 cm* (10 g) of Body TSL condition SAR measured 250 mW input power 0.759 Wikg SAR for nominal Body TSL parameters normalized to 1W 3.04 Wikg + 17.6 % (k=2) Certificate No: D450V3—1063_Aug16 Page 3 of 8

Appendix (Additional assessments outside the scope of SCS 0108) Antenna Parameters with Head TSL Impedance, transformed to feed point 58.0 Q — 1.4 jQ Return Loss —22.5 4B Antenna Parameters with Body TSL Impedance, transformed to feed point 56.0 Q — 4.6 jQ Return Loss —22.9 dB General Antenna Parameters and Design Electrical Delay (one direction) 1.347 ns After long term use with 100W radiated power, only a slight warming of the dipole near the feedpoint can be measured. The dipole is made of standard semirigid coaxial cable. The center conductor of the feeding line is directly connected to the second arm of the dipole. The antenna is therefore short—circuited for DC—signals. On some of the dipoles, small end caps are added to the dipole arms in order to improve matching when loaded according to the position as explained in the "Measurement Conditions" paragraph. The SAR data are not affected by this change. The overall dipole length is still according to the Standard. No excessive force must be applied to the dipole arms, because they might bend or the soldered connections near the feedpoint may be damaged. Additional EUT Data Manufactured by SPEAG Manufactured on October 27, 2008 Certificate No: D450V3—1063_Aug16 Page 4 of 8

DASY5 Validation Report for Head TSL Date: 29.08.2016 Test Laboratory: SPEAG, Zurich, Switzerland DUT: Dipole 450 MHz; Type: D450V3; Serial: D450V3 — SN: 1063 Communication System: UID 0 — CW; Frequency: 450 MHz Medium parameters used: f = 450 MHz; 0 = 0.89 S/m:; &, = 44.3; p = 1000 kg/m* Phantom section: Flat Section Measurement Standard: DASYS (IEEE/IEC/ANSI C63.19—2011) DASY52 Configuration: Probe: ET3DV6 — SN1507; ConvF(6.58, 6.58, 6.58); Calibrated: 31.12.2015; Sensor—Surface: 4mm (Mechanical Surface Detection) Electronics: DAE4 $n654; Calibrated: 12.08.2016 Phantom: ELI v4.0; Type: QDOVAOO1BB; Serial: TP:1003 DASY52 52.8.8(1258); SEMCAD X 14.6.10(7372) Dipole Calibration for Head Tissue/d=15mm, Pin=250mW/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 39.51 V/m; Power Drift = —0.04 dB Peak SAR (extrapolated) = 1.65 W/kg SAR(I g) = 1.14 W/kg; SAR(10 g) = 0.761 W/kg Maximum value of SAR (measured) = 1.23 W/kg dB —2.00 —4.00 —6.00 —8.00 —10.00 0 dB = 1.23 W/kg = 0.90 dBW/kg Certificate No: D450V3—1063_Aug16 Page 5 of 8

Impedance Measurement Plot for Head TSL 239 fAug 2016 10:25:20 CHI) sii 1 U F$ 2: 57.955 a —1.4316 a 247.04 pF 450.000 000 MHz Del Cé fAvg 12 H1d CH2 Ca Av 129 H1d START 250.000 800 MHz STOP 650.000 000 MHz Certificate No: D450V3—1063_Aug16 Page 6 of 8

DASY5 Validation Report for Body TSL Date: 29.08.2016 Test Laboratory: SPEAG, Zurich, Switzerland DUT: Dipole 450 MHz D450V3; Type: D450V3; Serial: D450V3 — SN:1063 Communication System: UID 0 — CW; Frequency: 450 MHz Medium parameters used: f = 450 MHz; 0 = 0.95 S/m:; &, = 56.7; p = 1000 kg/m* Phantom section: Flat Section Measurement Standard: DASY5 (IEEE/IEC/ANSI €63.19—2011) DASY52 Configuration: e Probe: ET3DV6 — SN1507; ConvF(6.99, 6.99, 6.99); Calibrated: 31.12.2015; * Sensor—Surface: 4mm (Mechanical Surface Detection) e Electronics: DAE4 $n654; Calibrated: 12.08.2016 * Phantom: ELI v4.0; Type: QDOVAOO1IBB; Serial: TP:1003 «_ DASY52 52.8.8(1258); SEMCAD X 14.6.10(7372) Dipole Calibration for Body Tissue/d=15mm, Pin=250mW/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 37.08 V/m; Power Drift = —0.02 dB Peak SAR (extrapolated) = 1.80 W/kg SAR(I g) = 1.15 W/kg; SAR(10 g) = 0.759 W/kg Maximum value of SAR (measured) = 1.23 W/kg dB 0 —2.00 —4.00 —6.00 —8.00 —10.00 0 dB = 1.23 W/kg = 0.90 dBW/kg Certificate No: D450V3—1063_Aug16 Page 7 of 8

Impedance Measurement Plot for Body TSL 29 Aug 2016 15:43:35 CHI) sii 1 U FS 2: 56.016 n —4.5723 a 77.353 pF 450.000 000 MHz Del Ca fivg 16 H1d CH2 Ca Ay 169 H1d START 250.000 000 MHz STOP 650,.000 000 MHz Certificate No: D450V3—1063_Aug16 Page 8 of 8


Document Created: 2018-10-25 15:58:38
Document Modified: 2018-10-25 15:58:38
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