Test Report_SAR_Appendix B

FCC ID: HFS-C403U

RF Exposure Info

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FCCID_4437940

Report No. : EN/2019/80001 Rev: 01 Page : 1 of 15 Appendix B - DAE & Probe Calibration Certificate Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/terms_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan 24803/新北市五股區新北產業園區五工路 134 號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.tw.sgs.com Member of SGS Group

r Calibration Laboratory of i Setweizerschor Kabterdionst Schmid & Partner . Senice sulsse ttlonnage Engineering AG Seviro svirzro 0 tarature ‘Zoughausstrasse 43, 0004 Zurch, Swtzarind $ swCalloation Service Accruated ty ho Sviss Accrestaion Somvcn (SA5) Aectedtation io: SCS 0108 ‘The Swiss Accrediation Sarvies is one ofthe ignaloris t the EA MutMateralAgreementfortherecognitin o callorationcoriieatos 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 «DC Voltage Measurement:Calibration Factor assessed for use in DASY system by comparison with a callbrated instrument traceable to national standards. The figure given corresponds to the full scale range of the voltmeterin the respective range. * Connector angle: The angle of the connector is assessed measuring the angle mechanically by a tool inserted. Uncertainty is not required. * The 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 modevoltage 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 zer0 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 signalis generated. + Power consumption: Typical value for information. Supply currents in various operating modes. Conticate No: DAER—877 Marto Page 2ot5

DC Voltage Measurement A/D — Converter Resolution nominal High Range: 1LSB = 6ApV , full range= —100...+300 mV Low Range: 1LSB = 61nV , full range= ~1.......+3mV DASY measurement parameters: Auto Zero Time: 3 sec; Measuring time: 3 seo Calibration Factors X ¥ Z High Range 405.009 + 0.02% (k=2) 404.575 £ 0.02% (k=2) 404.999 + 0.02% (k=2) Low Range 3.98156 + 1.50% (k=2) 3.9817841.50% (k=2) 8.97143 + 1.50% (k=2) Connector Angle Connector Angle to be used in DASY system 324.0°41° —| Certificate No: DAE4—877_Mar19 Page 3 of 5

Appendix (Additional assessments out ie the scope of SCS0108) 1. DC Voltage Linearity High Range Reading (u¥) __|_Diference (uV) Error (%) ChannelX + input 2oooseos and o0 Channel X + Input 2ov0r.2 270 oo1 Channel X =Input 2000425 170 oo1 Channel¥ _ _+ input 2000380 270 o0 Channel Y + Input 20007.07 187 oo1 Channel ¥ Input —2oc0s.er o46 aco Channel 2 _ _+ input 20002076 ns o0 Channel 2 _ _+ input 2o005.00 101 o01 Channel 2 = input 2000575 o«e ono Low Range Reading (1¥) Difference (s¥) Eo (%) Channel X___+ input 2000.31 «s o03 Channel X___+ input 200.71 18 oc Channel X____— input —198.80 o6 o8 Chanmel ¥ + input 2000.50 on o1 Channel Y _ _+ Input 100.70 ais osr Channel Y —input —sare 70 ass hannel 2 + input 200.3 s oce GhannelZ + input 19080 150 ors Channel 2 —input —201.36 221 im 2. Common mode sens y DASY measurement parameters: Auto Zero Time: 3 see; Measuring tme: 3 se Gommon mode High Range Low Range Input Voltage (m¥) Average Reading (¥) Average Reading (¥) Channel x 200 1542 1343 —200 ner as8 Channel ¥ 200 1880 q948 —200 1801 1821 Channel z 200 2003 19.80 —200 2315 2a3s 3. Channel separation DASY measurement parameters: Auto Zoro Time: 3 see; Measuring tme: 3 seo Input Voltage (mV) ChannelX (u¥) ChanneY (i¥) ChannelZ (@¥) Ghannel X 200 oso s40 Ghannel Y 200 2s — 149 Channol 2 200 ase «35 — Centicate No: DAEA—877_Martd Page 4 ot5

Report No. : EN/2019/80001 Rev: 01 Page : 5 of 15 Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/terms_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan 24803/新北市五股區新北產業園區五工路 134 號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.tw.sgs.com Member of SGS Group

Calibration Laboratory of Schmid & Partnor «Un 5 ie $ Sovice se sthaiomiage Engineering AG foe—we & Sentie sizere otamtur Zeoghaunstrse d, 6004 urich, Suitzeand hm Suies Cabration Service Accrudtn by h Snis Accrustaton Servce (9A8) Accrdtaion No: SCS 0108 ‘The Suiss AceredtatonSerice i one ofhe signtoren to the EA Mutlaterl Agreomentforth reeaqniton of earaton crticten ciem (8GSi(Auden) etiicaisns:EX3—7500—Mart® |CALIBRATIONCERTIFICATE________ = Onea EXSDV#=SN:7508! Cattrton pccuturel oxcacor CAlt@vs;on CAL—23v5, oA CaL25vT Caibaton dte March25, 2019 This caitraion coifcme decsmets t racenbity o nafonastarartswic reaize m pynicl uns of noosremonts(S0) The measirenens and e uncetints wth contderce echaiity e given on th foloing agesand pr ofi cottcate Adcalbratonshave en conducti h losa latontoy fcity envrommet ampertre (2 2 ) an humdty<70% Cattraton Equoment is (WETE aitalfor catrato) Frmary Sundacs o CaiDae [Gantese o) Schedded Catcaien rowemawe Nep si Torre oez0ct8 ie 217casraaers) Aero Poser serso NP291 snrome ottecit ie 200070 Jocio Powve serse he> 201 sn rosms 6t20018 io 217ca0r9) tecre Relwronce 20 dAemic sn sear? 00 oietsio 27ez Jocrs ones sicow 130ve18 e onEt000Dctt) Oeeio Feferca Prove ESsova s sors 3ti0ve18 ie Esso13prete Dsz Smanday Sraace m Te Di Intoosn Seresves crex. Powe new cxai99 sn comure Ase16 in rowe crec in10. Inhounecheas n25 Pove semor Esti2h sn mravasmoer A0.18n rouse crekJn—18,__| inhovsecheck Juntd Powe semor Esttah se onniomo 20018 in hovn crectdn10) innovsecheck Junto gevento e BoisG sn usssrmorrce h790 in howe ctea Jun—18)__| n nouse esc uno HNermot Araiew Esdsth sic useroconr? 3titerte (nhowe ns oo inovse eoto Rane Funden _ Cattraed ty claidLiler TabwaioyTechion Aooonby kaapaore ireergesimosige /a?;g hesves More as2010 Th cattraton ceticate sht ot b rereduced xcen infi ht vnton aseror ollatoct Geriicate No:EX3—7309.Martd Page 1 ot 10

Calibration Laboratory of Schmid & Partner g Engineering AG Servio id taiura ‘teughaustrase d, 0004 zuenSuitetand 5 suas Caltraton Service Acsrudtn ty ho Snis AccnstaionSevis (SA3) Acstedtaton No: SGS 0108 "The Swiss Accradtaton Senice i onof ho mgnatonn t he EA Muitert Agreementforthrecogniion o calbrationcontictes Glossary: TsL tissue simulating lquid NORtbk:z sensibvly i ree space Contt sensiiviy in TSL / NORMicy.z bor iade compression point cr crest factor(1/duty_cycle)of the RF signal AB.G.D modulation dependent Inearization parameters Polarization o 1» rotaton around probe asis Polaization 8 O rotation around an axis that i in the plane normalto probe axis (t measurement canter} ie, =0is normal to probe ais Connector Angle information used in DASsystem to algn probe sensor X to the rabot coordinate system Calibration is Performed According to the Following Standard a). IEEE Sid 1528—2013, IEEE Recommended Practicefor Determining the Poak Spatia—Averaged Specifc Absorption Rate (GAR) in the Human Head from Wireless Communications Devices: Measurement Techniques‘, June 2013 b). 120 62208—1, ",‘Measurement procedure forthe assessment of Speciic Absorption Rate (SAR) trom hand« held and body—mounled devices used next tothe ear (equeney range of 300 Nz to 6 GHiz), July 2016 ): 1EC 622082, ‘Procedure to determine the Spacife Absorilion Rate (SAR)for wreless communication devices used in close provimiy to the human body (requency range of 30 MHz to 6 GHz)® March 2010 4). KDB 865694,‘SAR Monsurement Requirementsfor 100 Niz to 8 GHz* Methods Applied and Interpretation of Parameters: * NORxgz: Assessed forEfeld polarization 3 =0 ( 900 NMFtz in TEM—oal; > 1800 MH: R22 waveguide) RMicy 2 are only ntermediate values, .e the uncerisinties of NORV y,z does notafect the E—feld uncertainty nside TSL (see below Conv£). * NORM(My,z= NORMxy,z * frequencyresponse (see Frequency Response Chart. This Ineariationis Imalemented in DASY4 software versions fater than 4.2. The uncertainty of the frequency response is included in the stated uncertaintyof ConyF. * DCPuyiz: DCP are numerical incarization parameters assessed based on the data of power sweep with CW signal(o uncertinty required). DGP does not depend on requency nor media + PAR: PAR is the Peak to Average Rati thatis not calbrated but determined based on the signal tharactenistes * Anyie Boy.z: Cayia; Dey.z; Viey,2: A, B, , D are numericalIncarization parameters assessed based on the data of power sweep for specifc modulation signal. The parameters do not depend on frequency nor media. VR is the maximum calbration range expressed in RMS vallage across the ciode. + ConyF and Boundary Effect Paramelers: Assessed in flatphantom using E—feld (or Temperature Transter Standard fo s B00 Mic) and inside waveguide using analycalfeld distrbxtions based on power measurements fo 1 > 800 MFiz. The same setups ate Lsed for assecsment of the parameters applied for boundary compensation (lpha, depth)of which tpical uncertainty values are given. Thase parameters are used in DASY4 sottware to mprove probe accuracy clase to the boundary, The sensitviy in TSL corresponds to NORMxy.z * ConvE whereby the uncertainty corresponds to that aven for ConvF. A frequency dapendent Convf is used in DASY version 4.4 and higher which allows extending the valdity from + 50 Mz to + 100 Mitz. * Sphrieal isotropy (3D deviation from isotrapy); in a feld olow gradients realized using a fat prantom exposed by a paich antenna. * Sensor Offset: The sensoroffset coresponds to the offsc of viual measurement center from the probe tp (on probe axis) No tolerance required + Connaetar Angle: The angle is assessed using the information gained by deterining the NOR(na uncertaity required) Cerifeate No: EX3—7500.Martd Page 2 of 10

excove —sniroos Mareh 25, 2010 DASY/EASY — Parameters of Probe: EX3DV4 — SN:7509 Basic Calibration Parameters Sesorx Sensory Sinsorz Wnete® Nom VVimFY oar o oar €101% DGP (my) ses see T023 Calibration Results for Modulation Response w Communization System Name A a c b |ve ~Max uns| «n cavav as mv don tem a ow x on as 10| om mes s3% |sark v _0 Pomiko es y oo o0 10 mss The reported uncertainty of measurement is stated as the standard uncertainty of measurement mulliplied by the coveragefactor k=2, which for a normal dist tribution corresponds to a coverage probabilty of approximately 95%. h uncutanieso on XYz o not afectheEtd urceriany mside TSX (seePages S and ) * ManercaIncarcatonpwaneter uncenny retreasres *foltvive Uncertart is deternine ing the ma,devaton fom Irom resonseabingrecngutr datinton and s ervassed o e saur of he Conticate No: EX3—7500.Martg Page 3 of 10

exsovs—szsoo Mareh 25, 2010 DASY/EASY — Parameters of Probe: EX3DV4 — SN:7509 Other Probe Sensor Parameters Arrangement Triangular Comedor Angle (5 476 Mechancal Surlace Delection Node enabed Oplical Surface Detection Mode disabled Probe Overall Lengih 337 mm Probe Bocy Dameter 10mm Ti Lengn 9mm Ti Dameter 25 mm Probe Ti to Sencor X Callbation Point 1 mm Probe Tisto Sensor V Gallralin Point Tmm Probs Ti to Sensor2 Galbraton Pont T mm Recommended Measurement Distance Trom Surtace 14mm Cortcate No: EX3—7500.Martd Page 4 of 10

exiovs~ stzooe Mareh25, 2010 DASY/EASY — Parameters of Probe: EX3DV4 — SN:7509 Calibration Parameter Determined in Head Tissue Simulating Media Relaive Conductiy vepm Tre ((MitnS Pormitivty® (Sim)" ComEX Comey ComFZ Aipha® mm} tea) 70 a10 ose 1041 fosr tosr ost oso r120% sss 415 o.so w18 toms foms os oss »120% sco 415 osr aso aso ase os os 2120% 1750 «o 137 aa ass ass ors oss +120% 1900 400 140 aso aso aso oso oss +120% 2000 400 140 aso aso ase oas oss +120% 2300 sas 1er s13 a13 s13 ore oss +120% 2aso soe 180 19 1e z70| oso oss +120% 2600 300 186 170 170 770| oss oss +120% s200 300 as0 540 sas sas oa0 180 a131% sa00 ase «75 s20 52o 520| o# 180 a131% seoo ss5 sor ar arr «mm oa0 180 a131% seoo ss3 ser «94| 49 ase os0 180 rns1% ©Eenuecy oabor 300 it ts 190 NHHc onagalesto DASY ve d and hghe(se Page2)is is esns t : 50 it The uncetaiy is ho RSS t ie Coe unceityatcalvalon reaueoey an ho uncenany o ho nicated raquency bond Frecuency vaty helow 300 it i+ 10,25, 1050 ana 70 Mz t ComiPannnumeni t 0,G,12, 150 and 220 Ne especively.Valaty of onmssesd at 8 NiQ is 9 itc and Conve assessdat13 ts 619 Mc Above 5 GHt feosercy vatdtyca ho enorded t :110 e * Rreqencs io 3 Ge. in vatdtyoe paametrs c an o)can b eand t 2 10% l conpencaton tormua i apsled o imensim SA vaues. At fecunncosatove 3 Giith vabity o eeue ooelrs (cnd ) s esretad o + 53. The uncerainty se RSG of tne Gonuncenantlindeattrge towu prinatrs " ApralDasin ar deteminecirng calivaton SPERG waants ht h rermining devaton ue t ie bounday afecater conporsaton s abars lesshan 19 o eauences below 3 GHtz and blow s 2% o feasercies betuan 26 GHt t any astarce lrgerIhan hae prov tp ddoneteon e tounday Cenifeate No: Ex3—75o0.Martd Page Sof 10

mxcove~sn:roon Marah 2s2010 DASY/EASY — Parameters of Probe: EX3DV4 — SN:7509 Calibration Parameter Determined in Body Tissue Simulating Media Relatve Conduclivty T Dopn® use L(Mits® Pornltvity® (Sim)" ComeX comry |_comEz Aipha® (mm) tea 750 ses ns woa1 iost rosr oas os0 120% ss see ner iose ose tose o«o oss 120% sco sso 105 1047 tosr foar oso oso s120% 17so sea 149 ass ass ass oss oss +120% 1900 sas 182 s24 aze a2 oss oss £120% 2000 sas 182 a19 a.10 ato or i1s +120% 2300 seo 181 an an a11 oss oss £120% 2450 se7 105 aos aos sos oz oss +120% 2600 sas 216 176 116 176| ors oss »120% 5200 a20 530 as1 «81 «s1 oso 180 e1a1% ssoo «a0 sae «se ass ase oso 180 ais1% seoo «5 sir 41 aro «10 oso 180 a131% seoo as2 s.00 420 420 az0 oso 180 e131% © equaneyvaltyatve 200 t ot s 100 i onagplesforBASY vct andhghe se Page2)is i rested t s 50 hi. The urcetany s heRGG ol he Co? urceantyatcalralon recuerey anho uncenanty o hn nduata Pocuency band Frequercy vality below 00 ht i a 10251050 and 70 :t Cori® nenensmonis 20 ,12, 190 ana 220 i rspootvaly Vakity of Cont nesensd at 6 heti 9 Mbtand Gonneassennd a1e n 919 ue Above 5 Git tequercyvaatycon h wrardna to = 110itc ! Atbenuendies ow 3 Gz.thvality oeou naremets s an o) an b id o 2 10% ul conpensaion tormula i aopled to imeosied SAvalues.Al teccendes mtove 3 GHtin vlityo moveporrnlrs c and ) s se to 81. Thw unoainy s tRSS of the GomF uncerinny o incaed trgetasue prortrs * AptolGoth ar dtemined durno caloratn SPEAG verrantshat h ramaning devaton ue to h boundaatics aflrcompensaon is ahayslas an» 18 o ocuencs blow3 GHe anblow + 2% tr bequensios batron 26 O atany atanc rger hanht h eobe to amiterfom heboonday Ceriicate No: Ex3—r500.Mart@ Page 8 of 10

Exsove—snzsoo Maren 2s, 2010 Frequency Response of E—Field (TEM—Cell:ifi110 EXX, Waveguide: R22) Frequency response (normaiized) Uncertainty of Frequency Responso of E—field: + 6.3% (k=2) Corifeate No: EX3—7500.Martd Page of 10

exsove— snzsoo March 25, 2010 Receiving Pattern (¢), 8 = 0° £2600 MHz,TEM £=1800 MHz,R22 Enertéel 4 4 ie roig) «ids «t noithe whiihe Uncertainty of AxialIsotropy Assessment: £0.5% (ke2) Coriicate No: Ex3—7509.Martd Page 8of to

exsove—shzsoo March 25, 2010 Dynamic Range f(SARncaq) [TEM coll , fovar= 1900 MHz) 3 £ 10 10e 10 10 io 10 10 SAR fmWems) _ rat compensated compensated Enor) io a SAR [nWend] 2l retcompansates compensmtes Uncortainty of Linearity Assessments £ 0.6% (ke2) Coriicate No: EX3—7508.Marto Page 9 of 10

Report No. : EN/2019/80001 Rev: 01 Page : 15 of 15 - End of report - Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/terms_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan 24803/新北市五股區新北產業園區五工路 134 號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.tw.sgs.com Member of SGS Group


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