SAR Report Appendix 1

FCC ID: X8F-SX400

RF Exposure Info

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FCCID_4399616

PROBE CALIBRATION CERTIFICATES

omm in Collaboration with @=7TJs a Wimaaeee>"" CALIEBRATION LABORATORY Add: No.51 Xucyuan Road, Haidian District, Beijing, 100191, China Tel 0—62304633—2512 Fax: +86—10—62304633—2504 E—mail: ettl@chinattl.com Hitpy//www.chinattl.on 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 ® ® rotation around probe axis Polarization 8 9 rotation around an axis that is in the plane normal to probe axis (at measurement center), i 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) 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" Methods Applied and Interpretation of Parameters: e NORMx,y,z: Assessed for E—field polarization 8=0 (fs900MHz in TEM—cell; f>1800MHz: waveguide). NORMx,y,z are only intermediate values, i.e., the uncertainties of NORMx,y,z does not effect the E" —field uncertainty inside TSL (see below ConvF). e NORM(Mx,y,2 = NORMx,y,2* 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 ConVF. e DCPxX,y,z: DCP are numerical linearization parameters assessed based on the data of power sweep (no uncertainty required). DCP does not depend on frequency nor media. e PAR: PAR is the Peak to Average Ratio that is not calibrated but determined based on the signal characteristics. e Axy2 Bxyz; Coy,z:VRxy,z:A,B,C 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 fs800MHz) and inside waveguide using analytical field distributions based on power measurements for f >800MHz. The same setups are used for assessment of the parameters applied for boundary compensation (alpha, depth) of which typical uncertainty valued 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+50MHz to+100MHz. e Spherical isotropy (3D deviation from isotropy): in a field of low gradients realized using a flat phantom exposed by a patch antenna. e Sensor Offset: The sensor offset corresponds to the offset of virtual measurement center from the probetip (on probe axis). No tolerance required. e Connector Angle: The angle is assessed using the information gained by determining the NORMx (no uncertainty required). Certificate No: Z18—60353 Page 2 of11

In Collsboration with TL s p_ e a q CALIBRATION LABORATORY Add: No.51 Xueyuan Road, Haidian District, Beijing. 100191, China A 1633—2512 304633—2504 attl.com Hitp://wwwchinattl.en Probe EX3DV4 SN: 7329 Calibrated: September 30, 2018 Calibrated for DASY/EASY Systems (Nete: non—compatible with DASY2 system!) Certificate No: Z18—60353 Page 3 of11


se© ; Collsboration with @77]J, a CWimaeee" CALIBRATION LABORATORY Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China Tel 0—62304633—2512 Fax: +86—10—62304633—2504 E—mail: cttl@chinatt.com Hittpy//www.chinattl.en DASY/EASY —— Parameters of Probe: EX3DV4 — SN: 7329 Calibration Parameter Determined in Head Tissue Simulating Media j i 6 f MHz]° P::;l""’;y § C°"‘:;/°;:‘)":y ConvF X ConvF Y ConvF Z Alpha$ E;::) :‘:(:‘;t) 750 419 0.89 i0.01_| i0.01_| _i0.01_| 040 0.80 +121% 900 415 0.97 966 g65 9656 o16 139 +121% 1750 40.1 1.37 8.35 835 835 024 1.05 +121% 1900 40.0 1.40 810 810 810 030 095 |+121% 2450 392 1.80 762 162 762 o64 070 +121% 2600 39.0 1.96 738 138 138 o60 072 +121% 5200 36.0 4.66 552 552 552 045 120 +133% 5300 350 4.76 528 Ss28 528 045 120 +133% 5600 355 5.07 am 4am 47 050 120 +133% 5800 35.3 527 468 468 468 050 150 £133% © Frequency validity above 300 MHz of £100MHz only applies for DASY v4.4 and higher (Page 2), else it is restricted to #50MHz. The uncertainty is the RSS of 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 frequency below 3 GHz, thevalidity of tissue parameters(€ 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 (e 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 the frequencies between 3—6 GHz at any distance larger than half the probetip diameter from the boundary. Certificate No: Z18—60353 Page 5 of 11

In Collaboration with 77/ s_ p _e_ a q i CALIBRATION LABORATORY Add: No.51 Xucyuan Road, Haidian District, Beijing, 100191, China Tel: +86—10—62304633—2512 Fax: +86—10—62304633—2504 E—mail: cttl@chinattl.com Hup:/wwas.chinattl.en DASY/EASY — Parameters of Probe: EX3DV4 — SN: 7329 Calibration Parameter Determined in Body Tissue Simulating Media Relative Conductivi C ; PMEA pormngvity ® (om) Y conyF X ConvF Y ConvF 2 Alpha® ':;:1":) (li':;t) 750 555 0.96 1023 1023 1023 040 0.80 £121% 900 55.0 1.05 a.79 a.79 979 023 125 £121% 1750 53.4 1.49 8.05 8.05 8.05 025 1.05 +121% 1900 CFF 1.52 7.70 7.70 T70 om 115 £121% 2450 52.7 1.95 T47 7.47 7ar 056 083 £121% 2600 825 216 712 7.12 712 065 0.72 £121% 5200 49.0 5.30 4.92 4.92 492 050 150 £133% 5300 48.9 5.42 4.79 4.79 47g9 0.50 1.50 £13.3% 5600 48.5 5.77 4.14 474 414 0.60 140 £133% 5800 48.2 6.00 4.37 437 437 0.60 1.35 £133% © Frequency validity above 300 MHz of £100MHz only applies for DASY v4.4 and higher (Page 2), else it is restricted to +50MHz. The uncertainty is the RSS of 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. F At frequency below 3 GHz, the validity of tissue parameters (e 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 (€ and 0) is restricted to £5%. The uncertainty is the RSS of the ConvrF 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 x 1% for frequencies below 3 GHz and below + 2%for the frequencies between 3—6 GHz at any distance larger than half the probetip diameter from the boundary. Certificate No: Z18—60353 Page 6 of11

_ In Collaboration with x7"7J, a ~Wimzeee>"" CALIBRATION LABORATORY Add: No.51 Xueyuan Road, Haidian District, Beijing, 100191, China Tel: +86—10—62304633—2512 Fax: +86—10—62304633—2504 E—mail: ctl@chinatt.com Hitps/www.chinattl.en Frequency Response of E—Field (TEM—Cell: ifi110 EXX, Waveguide: R22) Frequency response (normalized) 0.5 T T iO 0 500 1000 15I00 2000 2500 3000 ces f [MHz =%= Uncertainty of Frequency Response of E—field: £7.4% (k=2) Certificate No: Z18—60353 Page 7 of 11

sw\© 1. Collsboration with ©7‘77/,s_ p e a q s 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@chinatt.com Hitpy//www.chinattl.on Receiving Pattern (®), 0=0° f=600 MHz, TEM f=1800 MHz, R22 Eror{dB] t f t t r . + y t . —150 —100 —50 0 50 100 150 Rollf*] [—«*—1100MHz __—+—600MHz __—+— 1800MHz __—«— 2500MHz] Uncertainty of Axial Isotropy Assessment: £1.2% (k=2) Certificate No: Z18—60353 Page 8 of11

In Collaboration with Tel: +86—10—62304633—2512 +86—1 0-62]6J633-25()4 E—mail: c hinattl.com Hitp//www.chinattl.en Dynamic Range f(SARneaq) (TEM cell, f= 900 MHz) 10° 4 : 10° 4 E 10° 4 C m 2 in § 1054 2. £ 104 10° f 10° 10" 10° 10‘ 10° 10° SAR[mW/cm‘] EHX}not compensated —@— compensated 2 < £ 0 8 i a1 %#4 fo— tfi dR p LRB ...b — hk 10° 10° 10° , 10 10° 10° SAR[mW/cm‘] [___C®—Inot compensated —#— compensated _] Uncertainty of Linearity Assessment: £0.9% (k=2) Certificate No: Z18—60353 Page 9 of 11

se© 1. Collsboration with @77J,s a \\Wimzee" 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@chinatt.com Hitp:/fwww.chinattl.en Conversion Factor Assessment f=750 MHz, WGLS R9(H_convF) f=1750 MHz, WGLS R22(H_convF) 350 ‘ 3000 I | ‘ 2500 | | t | B —*7 2000 ‘ k*** SARWikg/W SARIWkgDW § 8 La»**" _ aso aco oeH Sss a 2 « {mm} co so 100 o0 dn m n ztum} 4n m sn o _—anatical Deviation from Isotropy in Liquid 2 Iis 10 .00 —o%0 .040 .020 0 20 o40 080 080 10 Uncertainty of Spherical Isotropy Assessment: £3.2% (K=2) Certificate No: Z18—60353 Page 10 of 11

w® in Collsboration with ©7/"7‘J,s p e a g SWmm CALIBRATION LABORATORY : No.51 Xueyuan Road, Haidian District, Beijing, 100191, China 10—62304633—2512 86—10—62304633—2504 ail: ettl@chinattl.com Hitpo//www.chinattl.en DASY/EASY — Parameters of Probe: EX3DV4 — SN: 7329 Other Probe Parameters Sensor Arrangement Triangular Connector Angle (°) 44.7 Mechanical Surface Detection Mode enabled Optical Surface Detection Mode disable Probe Overall Length 337mm Probe Body Diameter 10mm Tip Length 9mm Tip Diameter 2.5mm Probe Tip to Sensor X Calibration Point 1mm Probe Tip to Sensor Y Calibration Point 1mm Probe Tip to Sensor Z Calibration Point 1mm Recommended Measurement Distance from Surface 1.4mm Certificate No: Z18—60353 Page 11 of 11

DIPOLE CALIBRATION CERTIFICATES

In Coaboration with TTL 2. Add: No.S1 Xueywsn Rond, nidian Distict Being. 100191, China Tel +B6—0—623046—200 ravc«R—2304e3.250¢ E—mail: ctl@rchinat.com bups hvwchinatt en Glossary: TSL tissue simulating liquid ConvF sensitivity in TSL / NORMxy,z N/A not applicable or not measured Calibrationis Performed According to the Following Standards: a) IEEE Sid 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 assessment of specific absorption rate of human exposure to radio frequency fields from hand—held and body—mounted wireless communication devices— Part 1: Device used next to the ear (Frequency range of 300MHz to 6GHz)*, July 2016 c) IEC 62209—2, *Procedure to measure the Specific Absorption Rate (SAR) For wireless communication devices used in close proximity to the human body (frequency range of 30MHz to 6GHz)*, March 2010 d) KDB865664, SAR Measurement Requirements for 100 MHz to 6 GHz Additional Documentation: €) 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. Allfigures stated in thecertificate are valid at the frequency indicated. * Antenna Parameters with TSL: The dipole is mounted with the spacer to position its feed point exactly below the center marking of the flat phantom section, with the arms oriented paralle! to the body axis. * Feed Point Impedance and Retur Loss: These parameters are measured with the dipole positioned under the liquid filed phantom. The impedance stated is transformed from the measurement at the SMA connectorto the feed point. The Return Loss ensureslow 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 measurementis stated as the standard uncertainty of Measurement multiplied by the coverage factor k=2, which for a normal distribution Corresponds to a coverage probability of approximately 95%. Certificate No: 218—60218 Page 2 of%

in Colaboration with TTL a Add: No 1 Xueyuan Rond, Haidian Distct Beling. 100191; China Tel +86—10—2304633—2079 Fac «i6—10420433—2504 E—mal: t@chinatcom hipohivowctinaton Measurement Conditions DASY system confiquration, as far as not given onpage 1. DASY Varsion pasvse s2.10.1.1478 Extrapolation Advanced Extrapolation Phantom Triple Fiat Phantom §.1C Distance Dipole Center — TSL 10 mm with Spacer Zoom Scan Resolution d dy, oz = mm Frequency 2480 MBz x 1 Miiz Head TSL parameters The folowing parameters and calculations were applied Temporature Pormitivity Conguctivity Nominal Head TSL parameters 220°C s02 1.80 mhoim Measured Head TSL paramotors @aoz02)‘c 10326 % 1.84 mhoim £6 % Head TSL temperature changeduring test) <1.0 °C — — SAR result with Head TSL SAR averaged over 1 _cm"_(t g) of Head TSL Congition SAR measured 250 mW input power 134 mW/g SAR for nominal Head TSL parameters normalized to 1W 83.3 mW /g £18.8 % (Ke2) SAR averaged over 10 cn:"(10 g) of Head TSL Condiion SAR measured 250 mW input power 828 mW /g SAR for nominal Head TSL parameters normalized to 1W 26.0 mW /g £ 18.7 % (Ke2) Body TSL parameters Te folowing parameters and calculations were applied Temperature Pormitivity Conductivity Nominal Body TSL parameters 220°C s27 1.95 mhoim Measured Body TSL parameters @aoz02°c 54128% 1.62 mhoim +6 % Body TSL temperature change during test) <1.0 °C — — SAR result with Body TSL SAR averaged over 1_ctm_(1 g) of Body TSL Congtion SAR measured 250 mW input power 122 mW1g SAR for nominal Body TSL parameters normalized to 1W 49.8 mW /iq £ 18.% (K=2) SAR averaged over 10 m‘ (10.g)of Body TSL Condition SAR measured 250 mW input powe: 5.68 mW /g SAR for nominal Body TSL parameters normalized to 1W 22.9 mW /g £ 18.7 % (k=2) Certiicate No: 18—60218 Page s ofs

Add: No.51 Xueyuan Road, Haidan DistictBeling. 100191, China Tok +86—10—62304003—2079.. P «Be—1O—23043—2504 E—mail: ctl@rchinatt.com hipelhnchinatten Appendix (Additional assessments outside the scope of CNAS L0570) Antenna Parameters with Head TSL Impedance,transformed to feed point se10+e.3tn Retun Loss «22008 Antenna Parameters with Body TSL Impedance,tansformed to feed point soso+7.s3n Retum Loss —22408 General Antenna Parameters and Design Electical Delay (one cirection) 1020 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 direcily connected to the second arm of the dipole. The antennais therefore short—cirouited 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 Conditons" paragraph. The SAR data are not affected by this change. The overall dipole length is stil according to the Standard No excessive force must be applied to the dipole arms, becausethey might bend or the soldered connections near the feedpoint may be damaged. Additional EUT Data Manufactured by 3 speac Certificate No: Z18—60218 Page 4 of s

r\' in Colsboration with e= 7TL a \/ causranon Lasorarory Add: No 1 Xueyuan Road, Haidian Distict Beling100191; China Tel +86—10—62304003—2070.. PaxceBe—l0.23046832504 E—mail ctl@chinat.com hipAwnechinati.en DASYS Validation Report for Head TSL Date: 06.26,2018 Test Laboratory: CTTL, Beifing, China DUT: Dipole 2450 MHz; Type: D2450V2; Serial: D2450V2 — SN: 971 Communication System: UID 0, CW; Frequency: 2450 MHz; Duty Cycle: 1:1 Medium parameters used: 2450 MHz; 0 = 1.844 $/m; e, 40.25; p = 1000 ke/m? Phantom section: Center Section DASYS Configuration: * Probe: EX3DV4 — SN7464; ConvF(7.89, 7.89, 7.89) @ 2450 MHz; Calibrated: 9122017 + Sensor—Surface: 1.4mm (Mechanical Surface Detection) + Electronies: DAE4 Sn1524; Calibrated: 9/13/2017 + Phantom: MEP_V5.1C ; Type: QD 000 PSICA; Serial: 1062 * Measurement SW: DASY52, Version 52.10 (1); SEMCAD X Version 14.6.11 (7439) Dipole Calibration/ZoomScan (7x7x7) (7x7x7)/Cube 0: Measurement grid y—Smm, dz=Smm Reference Value = 94.13 V/m; Power Drift = 0.01 dB Peak SAR (extrapolated) = 27.4 Wikz SARCI g)= 134 Wikg: SAR(IO g)=6.26 Wike Maximumvalue of SAR (measured) = 22.0 We «8 8 | ~4.34 —a.co 43.02 47.36 C: 21.70 0 dB =22.0 W/kg = 13.42 dBW/g Certificate No: Z18—60218 Page s ofs

fl‘TTL M Add: No 51 Xueyuan Road. Haidian Distict, Beijng, 100191, China Tok +86—10—62304033—2079 racceBe—lOaz30i6n E—mail:clchinacom hupohwwchinatl.en Impedance Measurement Plot for Head TSL Te stttoyrap 10. 00007 ner a.oonde T x —mamus on cmmar e BB sis sntch (@efo) scate 2.0000 (r2 o1] on acaso0000 one. se.ore n a.3000 o. 400,70—p07 I % Iremessow L Certificate No: Z18—60218 Page 6 of s

‘r\‘ in Collbortion with TTL a causranon Lasorarory Add: No.51 Xueyuan Road, Haidian Distic, Belng 100191, China Tel +86—10—62304603.2079 P «8e—lO—62304e83.2504 E—mail cul@@chinatcom hipe/hncwchinatl.en DASYS Validation Report for Body TSL Date: 06. Test Laboratory: CTTL, Beijing, China DUT: Dipole 2450 MHz; Type: D2450V2; Serial: D2450V2 — SN: 971 Communication System: UID 0, CW; Frequency: 2450 MHz; DutyCycle: 1:1 Medium parameters used: £= 2450 MHz; 0 = 1.92 S/m; e, = 54.06; p = 1000 kg/m? Phantom section: Right Section DASY5 Configuration: * Probe: EX3DV4 — SN7464; ConvF(8.09, $.09, 8.09) @ 2450 MHz; Calibrated: 971272017 + Sensor—Surface: 1.4mm (Mechanical Surface Detection) + Electronies: DAE4 Sn1524; Calibrated: 9/13/2017 * Phantom: MFP_V5.1C ; Type: QD 000 PSICA; Serial: 1062 + Measurement SW; DASY52, Version 52.10 (1); SEMCAD X Version 14.6.11 (7439) Dipole Calibration/Zoom Scan (7x7x7) (7x7x7)/Cube 0: Measurement grid: dx=Smm, dy=Smm, dz=Smm Reference Value = 90.43 V/m; Power Drift=—0.01 dB Peak SAR (extrapolated 5.1 Wkg SARCI g) = 12.2 W/kgs SAR(1O g)= 5.68 We Maximum value of SAR (measured) = 20.1 Wike «8 [ 0 4. | —8.94 13.40 417.07 C 2234 0 dB =20.1 Wikg = 13.03 dBW/kg Certifiate No: 218—60218 Page 7 ofs

“TTL p s _e_a causranion Lagorerory Add: No.51 Xueyuan Road, Hoidian Disvict, BJing, 100191, China Tok +86—1062304803—2070 P ste—10420IG32sO E—mal: ctl@tchinat.com hipohivewchinatln Impedance Measurement Plot for Body TSL rer s.cooge Te ras x 4 ce + im 5is setth (Rp9 Scate 1.0000 (Fs oel] m ncasoooso one. So.ser 0 7eo. ass.giop f *« reutnzson weuntore se aas nioi Certificate No: 218—60218 Page 8 ofs


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