SAR Report 2

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RF Exposure Info

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wl t /n Certificate #4298.01 mvG COMOSAR E—FIELD PROBE CALIBRATION REPORT Ref ACR.260.1.18.SATUA 3.2 SENSIMMIVITY The sensitivity factors of the three dipoles were determined using a two step calibration method (air and tissue simulating liquid) using waveguides as outlined in the standards. 3.3 LOWER DETECTION LIMIT The lower detection limit was assessed using the same measurement set up as used for the linearity measurement. The required lower detection limit is 10 mW/kg. 34 ISOTROPY The axial isotropy was evaluated by exposing the probe to a reference wave from a standard dipole with the dipole mounted under the flat phantom in the test configuration suggested for system validations and checks. The probe was rotated along its main axis from 0 — 360 degrees in 15 degree steps. The hemispherical isotropy is determined by inserting the probe in a thin plastic box filled with tissue—equivalent liquid. with the plastic box illuminated with the fields from a half wave dipole. The dipole is rotated about its axis (0°—180°) in 15° increments. At each step the probe is rotated about its axis (0%—360°). 3.5 BOUNDARY EFFECT The boundary effect is defined as the deviation between the SAR measured data and the expected exponential decay in the liquid when the probe is oriented normal to the interface. To evaluate this effect, the liquid filled flat phantom is exposed to fields from either a reference dipole or waveguide. With the probe normal to the phantom surface. the peak spatial average SAR is measured and compared to the analytical value at the surface. 4 MEASUREMENT UNCERTAINTY The guidelines outlined in the IEEE 1528. OET 65 Bulletin C. CENELEC ENS0361 and CEMIEC 62209 standards were followed to generate the measurement uncertainty associated with an E—field probe calibration using the waveguide technique. All uncertainties listed below represent an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2, traceable to the Internationally Accepted Guides to Measurement Uncertainty. Uncertainty analysis of the probe calibration in waveguide ERROR sources U"":Ieu':’(':;" I;:’:;:::x Divisor ci j::’“':i’:;’o Incident or forward power 3.00% Rectanqular ,\B 1 1.732% Reflected power 3.00% Rectangular —\fi 1 1.732% Liquid conductivity 5.00% Rectangular ~B 1 2.987% Liquid permittivity 4.00% Rectanqular -\5 1 2.309% Field homogeneity 3.00% Rectangular —\E 1 1.732% Field probe positioning 5.00% Rectangular »\E 1 2.987% Field probe linearity 3.00% Rectanqular «E 1 1.732% Combined standard uncertainty 5.831% 9552contclencelovelk2 2 120% Page: 5/10 This document shall not be reprodiuced, except in full or in part, without the written approval ofMVG. The information contained herein is to be used only for the purposefor which it is submitted and is not to be released in whote or part without written approval ofMYG.

NTEKIE:W Accreviteo Certificate #4258.01 ~ us COMOSAR E—FIELD PROBE CALIBRATION REPORT Ref: ACR.260.1.18.SATUA 5 CALIBRATION MEASUREMENT RESULTS Calibration Parameters Liquid Temperature 21 °C Lab Temperature 21 °C Lab Humidity 45 % 5.1 SENSITIVITY IN AR Normx dipole Normy dipole Normz dipole 1 (uV/(V/im))| 2 (uV/(V/imY) 3 (uV/(V/m)) 0.66 0.75 0.58 DCP dipole 1 DCP dipole 2 DCP dipole 3 (mV) (mV) (mV) 93 93 98 Calibration curves ei=f(V) (i=1,2,3) allow to obtain H—field value using the formula: E=,/E]l+E,] +E Calibration curves Dipole 1 Dipole 2 Dipole 3 0.02 ade oos oos 010 0.12 Voltage [V) Page: 6/10 This document shall not be reprodiuced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whote or part without written approval ofMYG.

NTEKIE:W «a Accreviteo Certificate #4258.01 ~ mVG COMOSAR E—FIELD PROBE CALIBRATION REPORT Ref: ACR.260.1.18.SATUA 5.2 LINEARITY Linearity 1.00— 0.75 @ 050 5 us 2 000 § 125 5 050 475 1.007, so 400 is0 200 &0 300 370 E—Field (Vém) Linearity:I+/1.89% (+0.08dB 5.3 SENSITIVITY IN LQUID Liquid Frequency Permittivity Epsilon (S/m) ConvE MHz +/— 100MHz) HL750 750 40.03 0.93 1.45 BL750 750. 56.83 1.00 1.49 HL850 835 42.19 0.90 1.50 BL§50 835 54.67 1.01 1.56 HL900 900 42.08 1.01 L.S1 HL1800 1800 41.68 1.46 1.71 BL1800 1800 53.86 1.46 1.77 HL1900 1900 38.45 1.45 2.03 BL1900 1900 53.32 1.56 2.07 HL2000 2000 38.26 1.38 1.76 HL2450 2450 37.50 1.80 2.00 BL2450 2450 53.22 1.89 2.08 HL2600 2600 39.80 1.99 2.12 BL2600 2600 52.52 2.23 2.19 HL5200 5200 35.64 4.67 2.55 BL5200 5200 48.64 5.51 2.62 HL5400 5400 36.44 4.87 2.53 BL5400 5400 46.52 5.77 2.59 HL5600 5600 36.66 5.17 2.64 BL5600 5600 46.79 5.77 2.73 HL5800 5800 35.31 5.31 2.72 BL5800 5800 47.04 6.10 2.81 LOWER DETECTION LIMIT: 7mW/kg Page: 7/10 This document shall not be reprodiuced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whote or part without written approval ofMYG.

NTEKJILiW)*=« esn Accreviteo Certificate #4298.01 ~ ‘ COMOSAR E—FIELD PROBE CALIBRATION REPORT Ref ACR.260.1.18.SATUA 5.4 ISOTROPY HL900 MHz — Axial isotropy: 0.04 dB — Hemispherical isotropy: 0.07 dB Isotropy curves 107 ot Dpol o 0e Mc is 02 30 o 01 06 os io as as es oz ap o2 oa s os 15 HL1800 MHz — Axial isotropy: 0.06 dB — Hemispherical isotropy: 0.08 dB Isolropy curves 107 ot Dpole mo 0e Mocis o so o2 o« oc os 104 . —1o as s o« cz c0 o2 oo as se 18 Page: 8/10 This document shall not be reproduced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used ontyfor the purposefor which it is submitted and is not to be released in whole or part without written approval ofMPG.

NTEKIE:W Accreviteo Certificate #4298.01 ~ mvG COMOSAR E—FIELD PROBE CALIBRATION REPORT Ref: ACR.260.1.18.SATUA HLS5600 MHz — Axial isotropy: 0.06 dB — Hemispherical isotropy: 0.08 dB Isotropy cuves 105 o8 Dpol m‘ a ge oress Dpole 80‘ o oo o2 o« 0s os 10 <lo —cs as o« o2 co o2 os as os 10 Page: 9/10 This document shall not be reprodiuced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whote or part without written approval ofMYG.

NTEKJILiW)*=« Accreviteo Certificate #4298.01 mva COMOSAR E—FIELD PROBE CALIBRATION REPORT Ref: ACR.260.1.18.SATUA 6 LIST OF EQUIPMENT Equipment Summary Sheet Equipment Manufacturer / Identification No Current Next Calibration Description Model ‘| Calibration Date Date alidated. No cal Validated. No cal Flat Phantom MVG SN—20/09—SAM71 required. required . . alidated. No cal Validated. No cal |COMOSAR Test Bench Version 3 NA required. required . Network Analyzer RN°C® g‘VSAChwarz sN100132 02/2016 0272019 Reference Probe MVG EP 94 SN 37/08 10/2017 10/2018 Multimeter Keithley 2000 1188656 01/2017 01/2020 Signal Generator Agilent E4438C MY49070581 01/2017 01/2020 ie Characterized prior to|Characterized prior to Amplifier Aethercomm Sn 046 test. No cal required. |test. No cal required. Power Meter HP E4418A US38261498 01/2017 01/2020 Power Sensor HP ECP—E26A US37181460 01/2017 01/2020 Directional Coupler Narda 4216—20 o1386 Characterized prior to |Characterized prior to test. No cal required. test. No cal required. alidated. No cal Validated. No cal Waveguide Mega Industries O69Y7—158—13—712 required. required. Waveguide Transition Mega Industries osgy7—158—13.701 required. Validated. No cal Validated. required. No cal \Waveguide Termination| Mega Industries osav7—158—13—701 required. |Validated. No cal Validated. required. No cal Temperature / Humidity Control Company 150798832 1172017 11/2020 Sensor Page: 10/10 This document shall not be reprodiuced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used only for the purposefor which it is submitted and is not to be released in whote orpart without written approval ofMYG.

NTEKJE:W)* [accreoiteo) Certificate #4258.01 SAR Reference Dipole Calibration Report Ref : ACR.109.7.18.SATU.A SHENZHEN NTEK TESTING TECHNOLOGY CO., LTD. BUILDING E, FENDA SCIENCE PARK, SANWEI COMMUNITY, XIXIANG STREET, BAO‘AN DISTRICT, SHENZHEN GUANGDONG, CHINA MVG COMOSAR REFERENCE DIPOLE FREQUENCY: 2450 MHZ SERIAL NO.: SN 03/15 DIP 2G450—352 Calibrated at MVG US 2105 Barrett Park Dr. — Kennesaw, GA 30144 Tz ns z,4/"7,:\"\‘\\3‘ [accrepiren "rhnlutst stioncemt azmsor Calibration Date: 04/19/2018 SI”HIH(IT]'.' This document presents the method and results froman accredited SAR reference dipole calibration performed in MVG USA using the COMOSAR test bench. All calibration results are traceable to national metrology institutions.

Accreviteo Certificate #4258.01 ~ SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR.109.7.18.SATUA Name Function Date Signature Prepared by: Jérome LUC Product Manager 4/19/2018 fi Checked by: Jérome LUC Product Manager 4/19/2018 ;/)5/ Approved by : Kim RUTKOWSKI Quality Manager 4/19/2018 / ,, PucthowtP Customer Name NTEK TESTING Distribution : TECHNOLOGY CO., LTD. Issue Date Modifications A 4/19/2018 Initial release Page: 2/11 This document shall not be reproduced, exceptin full or m part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE:W® Accreviteo Certificate #4298.01 ~ SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR 109.7.18 SATU A TABLE OF CONTENTS JeOeonsi e 4 DEVIC@ UDU@L T@St .ccscc en 4 PIOUUCt D@SCTIDMOM «...2...scsceee esnc enn en nnnn mm n nnnnnenennnnnnnenernnnnnnnnnmnnnnnnne en 4 u> 3.1 General Information 4 Ioce Snmentcie o c e 5 4.1 Return Loss Requirements 5 4.2 Mechanical Requirements 5 M@ASULEM@NE UDC@TTAIMEY ......2.s . see ce cce nennnnenennnnnnnnnnnnnnnnnnnmnnnnnne en 5 5.1 Return Loss 3 5.2 Dimension Measurement 5 5.3 Validation Measurement 5 CalibAtiON MEASUT@MENME ReSUITS ............ssennn enc mnmnnnenemnmnnnnnnnnmn en 6 6.1 Return Loss and Impedance In Head Liquid 6 6.2 Return Loss and Impedance In Body Liquid 6 6.3 Mechanical Dimensions 6 MElGEionncssnne 7 7.1 Head Liquid Measurement 7 7.2 SAR Measurement Result With Head Liquid 8 7.3 Body Liquid Measurement 9 7A SAR Measurement Result With Body Liquid 10 LiSt Of EQPIM@ME :. scsee en enc nren en en enen en renenn en rerenen en rnnennnnn en enc nennen en 11 5o Page: 3/11 This document shall not be reproduced, except in full or inpart, without the written approval ofMVG. The information contained hereim is to be used onlyforthe purposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

Certificate 84298 01 ~ mvG SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR 109.7.18.SATUA 1 INTRODUCTION This document contains a summary of the requirements set forth by the IEEE 1528, FCC KDBs and CELIEC 62209 standards for reference dipoles used for SAR measurement system validations and the measurements that were performed to verify that the product complies with the fore mentioned standards. 2 DEVICE UNDER TEST Device Under Test Device Type COMOSAR 2450 MHz REFERENCE DIPOLE Manufacturer MVG Model $1D2450 Serial Number SN 03/15 DIP 2G450—352 Product Condition (new / used) Used A yearly calibration interval is recommended. 3 PRODUCT DESCRIPTION 3.1 GENERAL INFORMATION MVG‘s COMOSAR Validation Dipoles are built in accordance to the IEEE 1528 FCC KDBs and CELIEC 62209 standards. The product is designed for use with the COMOSAR test bench only. Figure 1 — MVG COMOSAR Validation Dipole Page: 4/11 This document shall not be reproduced, except in full orin part, withoutthe written approval ofMVG. The information contained herein is to be used onlyforthe purpose for which it is submitted and is not to be released in whole orpart without written approval ofMVG.

NT Certificate #4298.01 ~ SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR.109.7.18.SATUA 4 MEASUREMENT METHOD The IEEE 1528. FCC KDBs and CELIIEC 62209 standards provide requirements for reference dipoles used for system validation measurements. The following measurements were performed to verify that the product complies with the fore mentioned standards. 4.1 RETURNLOSS REQUIREMENTS The dipole used for SAR system validation measurements and checks must have a return loss of —20 dB or better. The return loss measurement shall be performed against a liquid filled flat phantom, with the phantom constructed as outlined in the fore mentioned standards. 4.2 MECHANICAL REQUIREMENTS The IEEE Std. 1528 and CEIMIEC 62209 standards specify the mechanical components and dimensions of the validation dipoles, with the dimensions frequency and phantom shell thickness dependent. The COMOSAR test bench employs a 2 mm phantom shell thickness therefore the dipoles sold for use with the COMOSAR test bench comply with the requirements set forth for a 2 mm phantom shell thickness. 5 MEASUREMENT UNCERTAINTY All uncertainties listed below represent an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factorof k=2. traceable to the Internationally Accepted Guides to Measurement Uncertainty. 5.1 RETURNLOSS The following uncertainties apply to the return loss measurement: Frequency band Expanded Uncertainty on Return Loss 400—6000MHz 0.1 dB 5.2 DIMENSION MEASUREMENT The following uncertainties apply to the dimension measurements: Length (mm) Expanded Uncertainty on Length 3 — 300 0.05 mm 5.3 VALIDATION MEASUREMENT The guidelines outlined in the IEEE 1528. FCC KDBs. CENELEC ENS0361 and CELIEC 62209 standards were followed to generate the measurement uncertainty for validation measurements. Scan Volume Expanded Uncertainty 1s 20.3 % Page: 5/11 This document shall not be reproduced, except in full or in part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE:W Certificate #4258.01 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR.109.7.18.SATUA 10 g 20.1 % 6 CALIBRATION MEASUREMENT RESULTS 6.1 RETURN LOSS AND IMPEDANCE IN HEAD LIQUID Frequency. MHz 2350 2380 2400 2420 2440 2460 2480 2500 2520 2550 S11, 0B 8 m%'l-----_i Frequency (MHz) Return Loss (dB) Requirement (dB) Impedance 2450 —28.15 —20 53.9 Q + 0.3 jQ 6.2 RETURN LOSS AND IMPEDANCE IN BODY LIQUID Frequency, MHz 2400 2420 2440 2460 2480 2500 S11,48 Frequency (MHz) Return Loss (dB) Requirement (dB) Impedance 2450 —22.99 —20 57.6 0 — 0.8 jQ 6.3 MECHANICAL DIMENSIONS Frequency MHz L mm h mm d mm required measured required measured required measured 300 420.0 +1 %. 250.0 +1 %. 6.35 +1 %. Page: 6/11 This document shall not be reproduced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

Accreviteo Certificate #4258.01 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR109.7.18.SATUA 450 290.0 £1%. 166.7 +1 %. 635 +1 %. 750 176.0 +1%. 100.0 +1 %. 6.35 +1 %. 835 161.0:1%. 80.811%. 1.611%. 900 149.0 £1%. 83.341%. 3.6+1%. 1450 89.1 +1 %. 51.741%. 3.6+1%. 1500 80.5 +1 %. 50.041%. 1.611%. 1640 79.0£1%. 45.741%. 3.6+1%. 1750 75.241%. 42.9 +1%. 3.6+1%. 1800 72.0£1%. 41.741%. 1.611%. 1900 68.0 +1 %. 39.5+1%. 3.6+1%. 1950 66.3 +1 %. 38.5 +1%. 3.6+1%. 2000 64.5 11 %. 37.541%. 1.611%. 2100 61.0 +1 %. 35.7 +1%. 3.6+1%. 2300 55.5 +1 %. 32.611%. 1.611%. 2450 51.5 +1 %. PASS 30.4 +1%. PaSS 3.6+1%. PASS 2600 48.5 +1 %. 28.841%. 3.6+1%. 3000 415 :1%. 25.011%. 1.611%. 3500 37.0+1 %. 264 41%. 3.6+1%. 3700 34.7+1%. 26.4 +1%. 3.6+1%. 7 VALIDATION MEASUREMENT The IEEE Std. 1528. FCC KDBs and CEUIEC 62209 standards state that the system validation measurements must be performed using a reference dipole meeting the fore mentioned return loss and mechanical dimension requirements. The validation measurement must be performed against a liquid filled flat phantom, with the phantom constructed as outlined in the fore mentioned standards. Per the standards, the dipole shall be positioned below the bottom of the phantom, with the dipole length centered and parallel to the longest dimension of the flat phantom. with the top surface of the dipole at the described distance from the bottomsurface of the phantom. 7.1 HEAD LIQUID MEASUREMENT Fre:;:lezncy Relative permittivity (e;‘) Conductivity (0) $/m required measured required measured 300 45.3 25 % 0.87 25 % 450 43.5 45 % 0.87 25 % 750 41.9 25 % 0.89 25 % 835 41.5 25 % 0.90 25 % 900 41.5 25 % 0.97 25 % 1450 40.5 25 % 1.20 25 % 1500 40.4 25 % 1.23 25 % 1640 40.2 +5 % 131+5% 1750 40.1 25 % 1.3725% Page: 7/11 This document shall not be reproduced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used onlyfor thepuposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE:W [acereviteo) Certificate #4258.01 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR 109.7.18.SATU.A 1800 40.0 25 % 1.40 25 % 1900 40.0 25 % 1.40 25 % 1950 40.0 25 % 1.40 25 % 2000 40.0 25 % 1.40 25 % 2100 39.8 45 % 1.49 15 % 2300 39.5 +5 % 1.67 25 % 2450 39.2 45 % PASS 1.80 15. % PASS 2600 39.0 +5 % 1.96 25 % 3000 38.5 25 % 2.40 +5 % 3500 37.9 25 % 2.91 25 % 7.2 SAR MEASUREMENT RESULT WITH HEAD LIQUID The IEEE Std. 1528 and CENIEC62209 standards state that the system validation measurements should produce the SAR values shown below (for phantom thickness of 2 mm),. within the uncertainty for the system validation. All SAR values are normalized to 1 W forward power. In bracket, the measured SAR is given with the used input power. Software OPENSAR V4 Phantom SN 20/09 SAMT71 Probe SN 18/11 EPG122 Liquid Head Liquid Values: eps‘ : 37.5 sigma : 1.80 Distance between dipole center and liquid 10.0 mm Area scan resolution dx=8mm/dy=8mm Zoon Scan Resolution dx=Smm/dy=5mm/dz=5mm Frequency 2450 MHz Input power 20 dBm Liquid Temperature 21°C Lab Temperature 21°C Lab Humidity 45 % Frequency 1 & SAR (W/ke/w) 10 & sar (W/ke/w) required measured required measured 300 2.85 1.94 450 4.58 3.06 750 8.49 5.55 835 9.56 6.22 900 10.9 6.99 1450 29 16 1500 30.5 16.8 1640 34.2 18.4 1750 36.4 19.3 1800 38.4 20.1 Page: 8/11 This document shall not be reproduced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used only for thepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE:W [accreoiteo) Certificate #4258.01 ~ SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR 109.7.18 SATUA 1900 39.7 20.5 1950 40.5 20.9 2000 411 211 2100 43.6 21.9 2300 48.7 23.3 2450 524 53.76(5.38) 24 24.12 (2.41) 2600 55.3 24.6 3000 63.8 25.7 3500 67.1 25 3700 67.4 24.2 amm butie rasntetnts zummne w BC & . | 2 . ME hk e sit] l mt 2O 857 fo m n ie ds m & ance m oo [E Km C w Z im 7.3 BODY LIQUID MEASUREMENT Frel?dl:::w Relative permittivity (6/‘) Conductivity {0) $/m required measured required measured 150 61.9 15 % 0.80 +5 % 300 58.2 45 % 0.92 25 % 450 56.7 25 % 0.94 25 % 750 55.5 15 % 0.96 +5 % 835 55.2 15 % 0.97 25 % 900 55.0 25 % 1.05 25 % 915 55.0 45 % 1.06 +5 % 1450 54.0 45 % 1.30 +5 % 1610 53.8 15 % 1.40 15 % 1800 53.3 25 % 1.52 25 % 1900 53.3 15 % 1.52 35 % 2000 53.3 45 % 1.52 45 % 2100 53.2 15 % 1.62 25 % Page: 9/11 This document shall not be reproduced, except in full or in part, without the written approval ofMVG. The information contained herein is to be used anlyfor thepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE:W [accreoiteo) Certificate #4258.01 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR.109.7.18 SATUA 2300 52.9 15 % 1.81 25 % 2450 52.7 25 % PASS 1.95 25 % PASS 2600 52.5 15 % 2.16 25 % 3000 52.0 25 % 2.73 25 % 3500 51.3 45 % 3.3145 % 3700 51.0 45 % 3.55 25 % 5200 49.0 210 % 5.30 £10 % 5300 48.9 210 % 5.42 210 % 5400 48.7 210 % 5.53 210 % 5500 48.6 :10 % 5.65 10 % 5600 48.5 £10% 5.77 210 % 5800 48.2+10% 6.00 £10 % 74 SAR MEASUREMENT RESULT WITH BODY LIQUID Software OPENSAR V4 Phantom SN 20/09 SAM71 Probe SN 18/11 EPG122 Liquid Body Liquid Values: eps‘ : 53.2 sigma : 1.89 Distance between dipole center and liquid 10.0 mm Area scan resolution dx=8mm/dy=8mm Zoon Scan Resolution dx=Smm/dy=5mm/dz=5mm Frequency 2450 MHz Input power 20 dBm Liquid Temperature 21 °C Lab Temperature 21°C Lab Humidity 45 % F 'E;‘:f:q’ 1 g SAR (W/kg/W) 10 g SAR (W/kg/W) measured measured 2450 52.90 (5.29) 24.09 (2.41) mm Sutne resmtnnn zmvor a ED—\ 800 \ Eio sJ ane N~ N 200 —] "m sn w 4n m w0 [A 4 10 12 ae d nB to 22 2 2 D T xmR vie Zimn) Page: 10/11 This document shall not be reproduced, except in fill orin part, without the written approval ofMVG. The information contained herein is to be used anlyforthepurposefor which it is submitted and is not to be released in whole or part without written approval ofMVG.

NTEKIE:W ts //',‘\\\>? Accreoiteo) Certificate #4298.01 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref ACR 109.7.18.SATU.A 8 LIST OF EQUIPMENT Equipment Summary Sheet Equipment Manufacturer/ Identification No Current Next Calibration Description Model ‘| Calibration Date Date SAM Phantom mve sNn—2008.sam74 |Validated. No cal required. Validated. required. No cal COMOSAR Test Bench| Version 3 NA alidated. No cal required. Validated. required. No cal Network Analyzer Rhode$Schwarz sN100132 o22016 022019 Calipers Carrera CALIPER—01 01/2017 01/2020 Reference Probe MVG EPG122 SN 18/11 10/2017 10/2018 Multimeter Keithley 2000 1188656 01/2017 01/2020 Signal Generator Agilent E4438C MY49070581 01/2017 01/2020 Amplifier Aethercomm SN 046 Characterized prigr to |Characterized pripr to test. No cal required. |test. No cal required. Power Meter HP E4418A US38261498 01/2017 01/2020 Power Sensor HP ECP—E26A US37181460 01/2017 01/2020 Directional Coupler Narda 4216—20 oi38e Characterized prior to |Characterized prior to test. No cal required. |test. No cal required. Temperature d Humidity Sensor Contol Company 150798832 1112017 11/2020 Page: 11/11 This document shall not be reproduced, except in full orin part, withoutthe written approval ofMVG. The information contained herein is to be used onlyforthepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIEI® [accreoiteo) Certificate #4258.01 ~ SAR Reference Waveguide Calibration Report Ref : ACR.109.9.18.SATU.A SHENZHEN NTEK TESTING TECHNOLOGY CO., LTD. BUILDING E, FENDA SCIENCE PARK, SANWEI COMMUNITY, XIXTIANG STREET,BAO‘AN DISTRICT, SHENZHEN GUANGDONG, CHINA MVG COMOSAR REFERENCE WAVEGUIDE FREQUENCY: 5000—6000 MHZ SERIAL NO.: SN 13/14 WGA 33 Calibrated at MVG US 2105 Barrett Park Dr. — Kennesaw, GA 30144 \_/,,: ‘}fi(‘ [accrepirep) Arhituts® cmmestioncemt asissor Calibration Date: 04/19/2018 Summary: This document presents the method and results from an accredited SAR reference waveguide calibration performed in MVG USA using the COMOSAR test bench. All calibration results are traceable to national metrology institutions.

Accreviteo Certificate #4258.01 ~ SAR REFERENCE WAVEGUIDE CALIBRATION REPORT Reff ACR.109.9.18.SATUA Name Function Date Signature Prepared by : Jérome LUC Product Manager 4/19/2018 ;;5/ Checked by: Jérome LUC Product Manager 4/19/2018 2/%/ Approved by: Kim RUTEKOWSKI Quality Manager |4/19/2018 ,,,,, Autert¥‘ Customer Name SHENZHEN NTEK TESTING Distribution : TECHNOLOGY CO., LTD. Issue Date Modifications A 4/19/2018 Initial release Page: 2/13 This document shall not be reproduced, exceptin full or in part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

«a Accreviteo Certificate #4258.01 ~ ‘ SAR REFERENCE WAVEGUIDE CALIBRATION REPORT Ref ACR 109.9.18.SATU A TABLE OF CONTENTS 1 IMIOUUCHOM .ccsccsc memmereeneren mm en en n enen en nenenerenenenennenen en nenenee 4 P eSsc tEoC e 4 3 PIOGUCT D@SCTIPNION ........... esc eemeemrmemmnmemmenmenneneneren mm en nnen en en en en 4 3.1 General Information 4 PR SCnteScit e 4 4.1 Return Loss Requirements 4 4.2 Mechanical Requirements 4 5 MeASUTEMGNT UDCEITMMEY.............se ie cce eemmeneene en en nmneneennenenenennnneenenn en 5 5.1 Return Loss 5 5.2 Dimension Measurement 5 5.3 Validation Measurement 5 6 CalibAtON M@ASUT@M@NME R@SUIS ............. sc cccceeseennnnnmn mm 5 6.1 Return Loss 5 6.2 Mechanical Dimensions 6 7. VAIIJATIOI I@ASUT@IONML ..2......2. 00e en en en en nnen en mm en en en 7 7.1 Head Liquid Measurement 7 7.2 Measurement Result 7 7.3 Body Measurement Result 10 List of Equipment.. so Page: 3/13 This document shall not be reproduced, except in full orin part, without the written approvalofMVG. The information contained herein is to be used onlyfor thepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NS (e= ZmOS (Accreoireo y Certificate #4298.01 ~ SAR REFERENCE WAVEGUIDE CALIBRATION REPORT Ref: ACR 109.9.18.SATUA 1 INTRODUCTION This document contains a summary of the requirements set forth by the IEEE 1528 and CEMIEC 62209 standards for reference waveguides used for SAR measurement system validations and the measurements that were performed to verify that the product complies with the fore mentioned standards. 2 DEVICE UNDER TEST Device Under Test Device Type COMOSAR 5000—6000 MHz REFERENCE WAVEGUIDE Manufacturer MVG Model SWGS500 Serial Number SN 13/14 WGA 33 Product Condition (new / used) Used A yearly calibration interval is recommended. 3 PRODUCT DESCRIPTION 3.1 GENERAL INFORMATION MVG‘s COMOSAR Validation Waveguides are built in accordance to the IEEE 1528 and CEVMIEC 62209 standards. 4 MEASUREMENT METHOD The IEEE 1528 and CELTEC 62209 standards provide requirements for reference waveguides used for system validation measurements. The following measurements were performed to verify that the product complies with the fore mentioned standards. 4.1 RETURN LOSS REQUIREMENTS The waveguide used for SAR system validation measurements and checks must have a return loss of —8 dB or beiter. The return loss measurement shall be performed with matching layer placed in the open end of the waveguide, with the waveguide and matching layer in direct contact with the phantomshell as outlined in the fore mentioned standards. 4.2 MECHANICAL REQUIREMENTS The IEEE 1528 and CELTIEC 62209 standards specify the mechanical dimensions of the validation waveguide. the specified dimensions are as shown in Section 6.2. Figure 1 shows how the dimensions relate to the physical construction of the waveguide. Page: 4/13 This document shall not be reproduced, except in full orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

Certificate #4258.01 SAR REFERENCE WAVEGUIDE CALIBRATION REPORT Ref: ACR109.9.18.SATUA 5 MEASUREMENT UNCERTAINTY All uncertainties listed below represent an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2, traceable to the Internationally Accepted Guides to Measurement Uncertainty. 5.1 RETURNLOSS The following uncertainties apply to the return loss measurement: Frequency band Expanded Uncertainty on Return Loss 400—6000MHz 0.1 dB 5.2 DIMENSION MEASUREMENT The following uncertainties apply to the dimension measurements: Length (mm) Expanded Uncertainty on Length — 300 0.05 mm us 5.3 VALIDATION MEASUREMENT The guidelines outlined in the IEEE 1528 and CEUMIEC 62209 standards were followed to generate the measurement uncertainty for validation measurements. Scan Volume Expanded Uncertainty 1 g 20.3 % 10 g 20.1 % 6 CALIBRATION MEASUREMENT RESULTS 6.1 RETURN LOSS IN HEAD LIQUID Frequancy, MHz S11, 4B Page: 5/13 This document shall not be reproduced, except in full orin part, withoutthe written approval ofMVG. The information contained herein is to be used onlyfor thepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

Certificate #4258.01 SAR REFERENCE WAVEGUIDE CALIBRATION REPORT Ref: ACR109.9.18.SATUA Frequency (MHz) Return Loss (dB) Requirement (dB) Impedance 5200 —8.23 —8 26.31 Q + 19.19 jQ 5400 —12.02 —8 83.38 Q — 2.98 jQ 5600 —14.04 —8 33.47 Q — 0.96 jQ 5800 —12.03 —8 59.85 Q + 26.64 jQ 6.2 RETURN LOSS IN BODY LIQUID Frequency. MHz S11, dB Frequency (MHz) Return Loss (dB) Requirement (dB) Impedance 5200 —9.40 —8 97.78 Q + 15.77 jQ 5400 —12.11 —8 32.53 Q — 11.03 jQ 5600 —14.73 —8 67.48 Q + 13.08 jQ 5800 —12.37 —8 36.66 Q — 16.68 j 6.3 MECHANICAL DIMENSIONS Frequene L (mm) W (mm) Li (mm) Wi(mm) T (mm) (131}12) Require Measure Require Measure Require Mcasure Require Mcasure Require Measure x d d 4 d d d d d d 40.39 + 20.19 + 81.03 + 61.98 + a 5200 0.13 PASS 013 PASS 013 PASS 013 PASS 5.3 PASS 40.39 + 20.19 + 81.03 + 61.98 + a 5800 0.13 PASS 0.13 PASS 013 PASS 013 PASS 4.3 PASS * The tolerance for the matching layeris included in the return loss measurement. Page: 6/13 This document shall not be reproduced, except in full orin part, withoutthe written approval ofMVG. The information contained herein is to be used onlyfor thepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKJIEiW*= &a ds Certificate 84298 01 ~ mVG SAR REFERENCE WAVEGUIDE CALIBRATION REPORT Ref ACR.109.9.18.SATUA Matching layer Figure 1: Validation Waveguide Dimensions 7 VALIDATION MEASUREMENT The IEEE Std. 1528 and CELVIEC 62209 standards state that the system validation measurements must be performed using a reference waveguide meeting the fore mentioned return loss and mechanical dimension requirements. The validation measurement must be performed with the matching layer placed in the open end of the waveguide, with the waveguide and matching layer in direct contact with the phantomshell. 7.1 HEAD LIQUID MEASUREMENT Fre:lu:chv Relative permittivity (s7‘) Conductivity (0) S/m required measured required measured 5000 36.2 210 % 4.45 £10% 5100 36.1 +10% 4.56 £10% 5200 36.0 £10% PASS 4.66 £10% PASS 5300 35.9 £10% 4.76 £10% 5400 35.8 £10% PASS 4.86 £10% PASS 5500 35.6 £10% 4.97 £10% 5600 35.5 £10% PASS 5.07 £10% PASS 5700 35.4 £10% 5.17 £10% 5800 35.3 £10% PASS 5.27 £10% PASS 5900 35.2 £10% 5.38 £10% 6000 35.1 £10% 5.48 £10% 7.2 SAR MEASUREMENT RESULT WITH HEAD LIQUID At those frequencies, the target SAR value can not be generic. Hereunder is the target SAR value defined by MVG, within the uncertainty for the system validation. All SAR values are normalized to 1 W net power. In bracket, the measured SAR is given with the used input power. Page: 7/13 This document shall not be reproduced, except infull or in part, without the written approval ofMVG. The information contained herein is to be used onlyfor thepurposefor which it is submitted and is not to be released in whole orpart without witten approval ofMVG.

NTEKIE:W [accreoiteo) Certificate #4258.01 SAR REFERENCE WAVEGCUIDE CALIBRATION REPORT Ref: ACR.109.9.18. SATUA Software OPENSAR V4 Phantom SN 20/09 SAM71 Probe SN 18/11 EPG122 Liquid Head Liquid Values 5200 MHz: eps‘ :35.64 sigma : 4.67 Head Liquid Values 5400 MHz: eps‘ :36.44 sigma : 4.87 Head Liquid Values 5600 MHz: eps‘ :36.66 sigma : 5.17 Head Liquid Values 5800 MHz: eps‘ :35.31 sigma : 5.31 Distance between dipole waveguide and liquid 0 mm Area scan resolution dx=8mm/dy=8mm Zoon Scan Resolution dx=4mm/dy=4m/dz=2mm Frequency 5200 MHz 5400 MHz 5600 MHz 5800 MHz Input power 20 dBm Liquid Temperature 21 °C Lab Temperature 21 °C Lab Humidity 45 % Frequency (MHz) 1 g SAR (W/ke) 10 g SAR (W/kg) required measured required measured 5200 159.00 160.94 (16.09) 56.90 55.97 (5.60) 5400 166.40 170.60 (17.06) 58.43 58.93 (5.89) 5600 173.80 175.02 (17.50) 59.97 59.90 (5.99) 5800 181.20 184.13 (18.41) 61.50 62.74 (6.27) SAR MEASUREMENT PLOTS @ 5200 MHz i veritmonrmamten meves SA8 turkal \ue) e Te ie & e it 6 l 4 6 k m ie kok a & & ocs oC xm c vie Zimni Page: 8/13 This document shall not be reproduced, except infull orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE:W «a Eo) Certificate #4298.01 ~ ‘ SAR REFERENCE WAVEGCUIDE CALIBRATION REPORT Ref ACR109.9.18.SATUA SAR MEASUREMENT PLOTS @ 5400 MHz pxpormmremes Sutom fesuntoonty s Ths" "I 192 w Y it 158 s 152 e hsn h sno "in ~ 400— zontecs §3flfl' m gzflfl' cz a= ] m oo l ae| wl — ® 2C ""AL i d 6 k ob n rok a 2 a & B xm 7 e Zimmi SAR MEASUREMENT PLOTS @ 5600 MHz Teao Sutom fesuntoonty ce Ed Gaorton m hh £1S [ss hGs y9m fea s e Mice * ando cunoes Ja> 2 Fa~ I ns er) @enl m t 2 T oi 2C ©% i t ob k k a 2 & & T Km CC vi Zimni SAR MEASUREMENT PLOTS @ 5800 MHz Teaoo Euic Pesonty mm 1 m 4 — CH sas— alo~ Bowtna gann Ceen) 3 | rn m 3 mo— J s| 100 wl ae) wl — ® 2C ©% i t ob k k a 2 & & ET xm C im Zimni Page: 9/13 This document shall not be reproduced, except infull orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

Accreviteo Certificate #4258.01 ~ SAR REFERENCE WAVEGCUIDE CALIBRATION REPORT Ref ACR109.9.18.SATUA 7.3 BODY LIQUID MEASUREMENT Fre:fll.:—lezncy Relative permittivity (s7‘) Conductivity (0) 5/m required measured required measured 5200 49.0 210 % PaSS 5.30 10 % PaSS 5300 48.9+10% 5.42+10% 5400 48.7210% PaSS 5.53210% PaSS 5500 48.6+10% 5.65+10 % 5600 48.5 110 % PaSS 5.77 210 % PaSS 5800 48.2 210 % PASS 6.00 £10 % PaSS 7.4 SAR MEASUREMENT RESULT WITH BODY LIQUID Software OPENSAR v4 Phantom SN 20/09 SAM71 Probe SN 18/11 EPG122 ]'_iqu_jd Body Liquid Values 5200 MHz: eps‘ :48.64 sigma : 5.51 Body Liquid Values 5400 MHz: eps‘ :46.52 sigma : 5.77 Body Liquid Values 5600 MHz: eps‘ :16.79 sigma : 5.77 Body Liquid Values 5800 MHz: eps‘ :17.04 sigma : 6.10 Distance between dipole waveguide and liquid 0 mm Area scan resolution dx=8mm/dy=8mm Zoon Scan Resolution dx=4mm/dy=4m/dz=2mm Frequency 5200 MHz 5400 MHz 5600 MHz 5800 MHz Input power 20 dBm Liquid Temperature 21 °C Lab Temperature 21 °C Lab Humidity 45 % Frequency (MHz) 1 g SAR (Whkg) 10 g SAR (Wkg) measured measured 5200 156.85 (15.68) 55.20 (5.52) 5400 163.97 (16.40) 57.26 (5.73) 5600 166.58 (16.66) 57.87 (5.79) 5800 169.30 (16.93) 58.49 (5.85) Page: 10/13 This document shall not be reproduced, except infull orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

Certificate #4298.01 ~ ‘ SAR REFERENCE WAVEGCUIDE CALIBRATION REPORT Ref ACR109.9.18.SATUA BODY SAR MEASUREMENT PLOTS @ 5200 MHz n eventenatums Botom fesuntoonis m Ginoe i a23~ _ and— € 3 5 ano— & Ese m inoo l san n e o & w ob ao—, 6 i 4 6 k m dro ie k a 2 m ocb F7 xm C i Zimni BODY SAR MEASUREMENT PLOTS @ 5400 MHz memetemtns Botom fesuntoonis m Cantn m a60— anoo ono— SR tukcl ando mmo— we m in on a e w w ob ao—, er] (gna x o d de e ds o m m nb ts1 FC Km CC vie Zimnt BODY SAR MEASUREMENT PLOTS @ 5600 MHz iirevnteSaretroice Sutis Resontiwnty tentons 4707 anoo ns S tukcl anoo 1n0— im om 80— i 6 o dr w de m m omcs RT xm C vim Zimni Page: 11/13 This document shall not be reproduced, except infull orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKJL:JJ*=« KA Certificate #4258.01 ~ ‘ SAR REFERENCE WAVEGCUIDE CALIBRATION REPORT Ref ACR109.9.18.SATUA BODY SAR MEASUREMENT PLOTS @ 5800 MHz n eventenatums Botom fesuntoonis m i snz— anoo Zontes g_jjnn— ras $ax smy ml o _an n ® ° w ob % ""A i db & k e e n rok a & a & T hum C vam Zimmi Page: 12/13 This document shall not be reproduced, except infull orin part, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposefor which it is submitted and is not to be released in whole orpart without written approval ofMVG.

NTEKIE®W)é® Accreviteo Certificate #4298.01 SAR REFERENCE WAVEGUIDE CALIBRATION REPORT ReF ACR.109.9.18.SATUA 8 LIST OF EQUIPMENT Equipment Summary Sheet Equipment Manufacturer/ & . Current Next Calibration Identification No. Description Model Calibration Date Date Flat Phantom mvs sNn—20008.sam74 |Validated. No cal required. Validated. required. No cal COMOSAR Test Bench| Version 3 NA alidated. No cal required. alidated. required. No cal Network Analyzer Rhode£Schwarz SN100132 o212016 0222019 Calipers Carrera CALIPER—01 01/2017 01/2020 Reference Probe MVG EPG122 SN 1811 10/2017 10/2018 Multimeter Keithley 2000 1188656 01/2017 01/2020 Signal Generator Agilent E4438C MY49070581 01/2017 01/2020 Amplifier Aethercomm SN 046 Characterized prigr to |Characterized pri_or to test. No cal required. |test. No cal required. Power Meter HP E4418A US38261498 01/2017 01/2020 Power Sensor HP ECP—E26A US37181460 01/2017 01/2020 Directional Coupler Narda 4216—20 o138s Characterized prior to |Characterized prior to test. No cal required. |test. No cal required. Temperature @0 Humidity Sensor Gontrol Company 150798832 1172017 1112020 Page: 13/13 This document shall not be reproduced, except in full orinpart, without the written approval ofMVG. The information contained herein is to be used onlyforthepurposeforwhich it is submitted and is not to be released in whole orpart without written approval ofMVG.


Document Created: 2019-07-16 09:27:04
Document Modified: 2019-07-16 09:27:04
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