RF Exposure Info 4

FCC ID: ZNFX320AA

RF Exposure Info

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FCCID_4346339

£ & w19109 Calibration Laboratory of {&&//\//’% Schweizerischer Kalibrierdienst . s : S Schmid & Partner ila\E—/Mw/% c Service suisse d‘étalonnage Engineering AG T 2=—‘s Servizio svizzero di taratura ich, Swi Zeughausstrasse 43, 8004 Zurich, Switzerland ZGonF 4y Im\ w $ swi i i Swiss Calibration Service @hilals 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 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) 1EC 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" Additional Documentation: e) DASY4/5 System Handbook Methods Applied and Interpretation of Parameters: e 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 paralle! 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: D1900V2—5d148_Feb19 Page 2 of 8

Measurement Conditions DASY system configuration, as far as not given on page 1. DASY Version DASYS V52.10.2 Extrapolation Advanced Extrapolation Phantom Modular Flat Phantom Distance Dipole Center— TSL 10 mm with Spacer Zoom Scan Resolution dx, dy, dz =5 mm Frequency 1900 MHz +1 MHz Head TSL parameters The following parameters and calculations were applied. Temperature Permittivity Conductivity Nominal Head TSL parameters 22.0 °C 40.0 1.40 mho/m Measured Head TSL parameters (22.0 + 0.2) °C 40.9 2 6 % 1.38 mho/m x 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 9.65 W/kg SAR for nominal Head TSL parameters normalized to 1W 39.1 Wikg + 17.0 % (k=2) SAR averaged over 10 cm* (10 g) of Head TSL condition SAR measured 250 mW input power 5.05 Wikg SAR for nominal Head TSL parameters normalized to 1W 20.4 Wikg + 16.5 % (k=2) Body TSL parameters The followingparameters and calculations were applied. Temperature Permittivity Conductivity Nominal Body TSL parameters 22.0 °C 53.3 1.52 mho/m Measured Body TSL parameters (22.0 £ 0.2) °C 53.6 +6 % 1.47 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 9.56 W/kq SAR for nominal Body TSL parameters normalized to 1W 39.1 Wikg + 17.0 % (k=2) SAR averaged over 10 cm* (10 g) of Body TSL condition SAR measured 250 mW input power 5.05 W/kg SAR for nominal Body TSL parameters normalized to 1W 20.5 Wikg # 16.5 % (k=2) Certificate No: D1900V2—5d148_Feb19 Page 3 of 8

Appendix (Additional assessments outside the scope of SCS 0108) Antenna Parameters with Head TSL Impedance, transformed to feed point 51.8 Q + 6.8 jQ Return Loss —23.2 dB Antenna Parameters with Body TSL Impedance, transformed to feed point 48.4 Q +7.8 jQ Return Loss —21.9 dB General Antenna Parameters and Design Electrical Delay (one direction) 1.170 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 Certificate No: D1900V2—5d148_Feb19 Page 4 of 8

DASY5 Validation Report for Head TSL Date: 21.02.2019 Test Laboratory: SPEAG, Zurich, Switzerland DUT: Dipole 1900 MHz; Type: D1900V2; Serial: D1900V2 — SN:5d148 Communication System: UID 0 — CW; Frequency: 1900 MHz Medium parameters used: £ = 1900 MHz; o = 1.38 S/m; &, = 40.9; p = 1000 kg/m* Phantom section: Flat Section Measurement Standard: DASY5 (IEEE/IEC/ANSI €63.19—2011) DASY52 Configuration: Probe: EX3DV4 — SN7349; ConvF(8.26, 8.26, 8.26) @ 1900 MHz; Calibrated: 31,12.2018 Sensor—Surface: 1.4mm (Mechanical Surface Detection) Electronics: DAE4 Sn601; Calibrated: 04.10.2018 Phantom: Flat Phantom 5.0 (front); Type: QD 000 P50 AA; Serial: 1001 DASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Dipole Calibration for Head Tissue/Pin=250 mW, d=10mm/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 109.4 V/m; Power Drift = 0.01 dB Peak SAR (extrapolated) = 17.8 W/kg SAR(I g) = 9.65 W/kg; SAR(10 g) = 5.05 W/ikg Maximum value of SAR (measured) = 15.0 W/kg 0 dB = 15.0 W/kg = 11.76 dBW/kg Certificate No: D1900V2—5d148_Feb19 Page 5 of 8

Impedance Measurement Plot for Head TSL Ele Yiew Channel Sweep Calbration Trace Scale Marker System Window Help 1.900000 GHz 51.922 0 579.82 pH 6.8503 0 1.900000 GHz 69.458 mU mzeo® | ChiAug= 20 Chi: Star 1.70000 GHz ‘ a.00 1.900000 CHz [| |s0e [[jo.so 00 Ch I Aug= Ch1: Start 1,70000 GHz ——~ Stop 2.10000 GHz | Status CH1: ____]ctPot _ Avg=20Delay — LCL Certificate No: D1900V2—5d148_Feb19 Page 6 of 8

DASY5 Validation Report for Body TSL Date: 21.02.2019 Test Laboratory: SPEAG, Zurich, Switzerland DUT: Dipole 1900 MHz; Type: D1900V2; Serial: D1900V2 — SN:5d148 Communication System: UID 0 — CW; Frequency: 1900 MHz Medium parameters used: £ = 1900 MHz; 0 = 1.47 S/m; &, = 53.6; p = 1000 kg/m" Phantom section: Flat Section Measurement Standard: DASYS (IEEE/IEC/ANSI C63.19—2011) DASY52 Configuration: e Probe: EX3DV4 — SN7349; ConvF(8.23, 8.23, 8.23) @ 1900 MHz; Calibrated: 31.12.2018 Sensor—Surface: 1.4mm (Mechanical Surface Detection) Electronics: DAE4 Sn601; Calibrated: 04.10.2018 Phantom: Flat Phantom 5.0 (back); Type: QD 000 P50 AA; Serial: 1002 DASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Dipole Calibration for Body Tissue/Pin=250 mW, d=10mm/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 103.7 V/m; Power Drift = —0.03 dB Peak SAR (extrapolated) = 17.0 W/kg SAR(1 g) = 9.56 W/kg; SAR(10 g) = 5.05 W/kg Maximum value of SAR (measured) = 14.4 W/kg 0 dB = 14.4 W/ikg = 11.58 dBW/kg Certificate No: D1900V2—5d148_Feb19 Page 7 of 8

Impedance Measurement Plot for Body TSL File View Channel Sweep Calbration Trace Scale Marker System Window Help . ( 1.800000 GHz 48.448 C 652.32 pH 7.7874 0 1.900000 GHz 80.412 mU 96.762 "° Ch1Aug= 20 Ch1; Srart 1.70000 GHez Stop 2,10000 GHz | | > 1.900000 Hz —21.894 dB)| | ‘peo.00 — ==— — — 00 o0 | o0 I oo Ch 1 Avg= Thi: Start 170000 oNe Stop 2.10000 GHe ; 5H 1: CX 1:Poit Ayvg=20 Delay Certificate No: D1900V2—5d148_Feb19 Page 8 of 8

APPENDIX D: SAR TISSUE SPECIFICATIONS Measurement Procedure for Tissue verification: 1) The network analyzer and probe system was configured and calibrated. 2) The probe was immersed in the tissue. The tissue was placed in a nonmetallic container. Trapped air bubbles beneath the flange were minimized by placing the probe at a slight angle. 3) The complex admittance with respect to the probe aperture was measured 4) The complex relative permittivity ε’ can be calculated from the below equation (Pournaropoulos and Misra): j 2 r  0 b b   exp  jr (  0 r'  0 )1/ 2  Y lnb a 2    a a 0 cos  r d d d where Y is the admittance of the probe in contact with the sample, the primed and unprimed coordinates refer to source and observation points, respectively, r 2   2    2  2    cos   ,  is the angular frequency, and j  1 . Table D-I Composition of the Tissue Equivalent Matter Frequency (MHz) 750 750 835 835 1750 1750 1900 1900 2450 2450 Tissue Head Body Head Body Head Body Head Body Head Body Ingredients (% by weight) Bactericide 0.1 0.1 DGBE 47 31 44.92 29.44 26.7 HEC See page See page 1 1 See page 4 NaCl 2-3 2 1.45 0.94 0.4 0.2 0.18 0.39 0.1 Sucrose 57 44.9 Water 40.45 53.06 52.6 68.8 54.9 70.17 73.2 Approved by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX D: 05/21/19 - 06/10/19 Portable Handset Page 1 of 4 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

Figure D-1 Composition of 750 MHz Head and Body Tissue Equivalent Matter Note: 750MHz liquid recipes are proprietary SPEAG. Since the composition is approximate to the actual liquids utilized, the manufacturer tissue-equivalent liquid data sheets are provided below. Figure D-2 750MHz Body Tissue Equivalent Matter Approved by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX D: 05/21/19 - 06/10/19 Portable Handset Page 2 of 4 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

Figure D-3 750MHz Head Tissue Equivalent Matter Approved by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX D: 05/21/19 - 06/10/19 Portable Handset Page 3 of 4 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

Figure D-4 Composition of 2.4 GHz Head Tissue Equivalent Matter Note: 2.4 GHz head liquid recipes are proprietary SPEAG. Since the composition is approximate to the actual liquids utilized, the manufacturer tissue-equivalent liquid data sheets are provided below. Figure D-5 2.4 GHz Head Tissue Equivalent Matter Approved by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX D: 05/21/19 - 06/10/19 Portable Handset Page 4 of 4 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

APPENDIX E: SAR SYSTEM VALIDATION Per FCC KDB Publication 865664 D02v01r02, SAR system validation status should be documented to confirm measurement accuracy. The SAR systems (including SAR probes, system components and software versions) used for this device were validated against its performance specifications prior to the SAR measurements. Reference dipoles were used with the required tissue- equivalent media for system validation, according to the procedures outlined in FCC KDB Publication 865664 D01v01r04 and IEEE 1528-2013. Since SAR probe calibrations are frequency dependent, each probe calibration point was validated at a frequency within the valid frequency range of the probe calibration point, using the system that normally operates with the probe for routine SAR measurements and according to the required tissue-equivalent media. A tabulated summary of the system validation status including the validation date(s), measurement frequencies, SAR probes and tissue dielectric parameters has been included. Table E-1 SAR System Validation Summary – 1g CW VALIDATION MOD. VALIDATION SAR Freq. Probe Cond. Perm. PROBE PROBE Date Probe Cal Point SENSITI MOD. DUTY System (MHz) SN (σ) (εr) LINEARI ISOTRO PAR VITY TYPE FACTOR TY PY D 750 4/12/2019 3914 750 Head 0.903 42.785 PASS PASS PASS N/A N/A N/A H 835 7/13/2018 7409 835 Head 0.932 43.227 PASS PASS PASS GMSK PASS N/A E 1750 2/6/2019 3589 1750 Head 1.363 41.670 PASS PASS PASS N/A N/A N/A L 1900 5/22/2019 7308 1900 Head 1.450 38.200 PASS PASS PASS GMSK PASS N/A E 2450 2/5/2019 3589 2450 Head 1.825 39.836 PASS PASS PASS D PASS PASS I 750 5/16/2019 7357 750 Body 0.937 56.547 PASS PASS PASS N/A N/A N/A J 835 3/10/2019 7488 835 Body 0.988 53.868 PASS PASS PASS GMSK PASS N/A D 1750 4/29/2019 3914 1750 Body 1.529 51.886 PASS PASS PASS N/A N/A N/A G 1900 8/10/2018 7410 1900 Body 1.567 52.239 PASS PASS PASS GMSK PASS N/A E 1900 2/5/2019 3589 1900 Body 1.584 54.248 PASS PASS PASS GMSK PASS N/A K 2450 3/6/2019 7417 2450 Body 2.039 50.670 PASS PASS PASS D PASS PASS NOTE: While the probes have been calibrated for both CW and modulated signals, all measurements were performed using communication systems calibrated for CW signals only. Modulations in the table above represent test configurations for which the measurement system has been validated per FCC KDB Publication 865664 D01v01r04 for scenarios when CW probe calibrations are used with other signal types. SAR systems were validated for modulated signals with a periodic duty cycle, such as GMSK, or with a high peak to average ratio (>5 dB), such as OFDM according to FCC KDB Publication 865664 D01v01r04. Approved by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX E: 05/21/19 - 06/10/19 Portable Handset Page 1 of 1 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

APPENDIX G: DOWNLINK LTE CA RF CONDUCTED POWERS 1.1 LTE Downlink Only Carrier Aggregation Test Reduction Methodology SAR test exclusion for LTE downlink Carrier Aggregation is determined by power measurements according to the number of component carriers (CCs) supported by the product implementation. Per April 2018 TCBC Workshop Notes, the following test reduction methodology was applied to determine the combinations required for conducted power measurements. LTE DLCA Test Reduction Methodology:  The supported combinations were arranged by the number of component carriers in columns.  Any limitations on the PCC or SCC for each combination were identified alongside the combination (e.g. CA_2A-2A-4A-12A, but B12 can only be configured as a SCC).  Power measurements were performed for "supersets" (LTE CA combinations with multiple components carriers) and any "subsets" (LTE CA combinations with fewer component carriers) that were not completely covered by the supersets.  Only subsets that have the exact same components as a superset were excluded for measurement.  When there were certain restrictions on component carriers that existed in the superset that were not applied for the subset, the subset configuration was additionally evaluated.  Both inter-band and intra-band downlink carrier aggregation scenarios were considered.  Downlink CA combinations for SISO operations were measured independently, per May 2017 TCBC Workshop notes. Table 1 – Example of Exclusion Table for SISO Configurations Supported Channel Bandwidth [MHz] Supported Channel Bandwidth [MHz] Completely Covered Supported Channel Bandwidth [MHz] Completely Covered Supported Channel Bandwidth [MHz] Completely Covered by Completely Covered by Index 2CC Restriction Index 3CC Restriction by Measurement Index 4CC Restriction by Measurement Index 5CC Restriction Measurement Superset Measurement Superset CC1 CC2 CC1 CC2 CC3 Superset CC1 CC2 CC3 CC4 Superset CC1 CC2 CC3 CC4 CC5 2CC #1 CA_2C 5, 10, 15, 20 5, 10, 15, 20 3CC #4 3CC #1 CA_2A‐2A‐4A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 4CC #1 4CC #1 CA_2A‐2A‐4A‐5A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 5, 10 No 5CC #1 CA_2A‐5B‐30A‐66A 5, 10, 15, 20 5, 10 5, 10 5, 10 5, 10, 15, 20 No 2CC #2 CA_2A‐5A 5, 10, 15, 20 5, 10 4CC #1 3CC #2 CA_2A‐2A‐5A 5, 10, 15, 20 5, 10, 15, 20 5, 10 4CC #1 4CC #2 CA_2A‐2A‐4A‐12A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 5, 10 B12 SCC Only No 5CC #2 CA_2A‐5B‐66A‐66A 5, 10, 15, 20 5, 10 5, 10 5, 10, 15, 20 5, 10, 15, 20 No 2CC #3 CA_2A‐12A 5, 10, 15, 20 5, 10 3CC #3 3CC #3 CA_2A‐2A‐12A 5, 10, 15, 20 5, 10, 15, 20 5, 10 No 4CC #3 CA_2A‐2A‐5A‐30A 5, 10, 15, 20 5, 10, 15, 20 5, 10 5, 10 No 2CC #4 CA_2A‐13A 5, 10, 15, 20 10 3CC #9 3CC #4 CA_2C‐66A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No 4CC #4 CA_2A‐2A‐5A‐66A 5, 10, 15, 20 5, 10, 15, 20 5, 10 5, 10, 15, 20 No 2CC #5 CA_2A‐17A 5, 10 5, 10 No 3CC #5 CA_2A‐2A‐71A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No 4CC #5 CA_2A‐5B‐30A 5, 10, 15, 20 5, 10 5, 10 5, 10 5CC #1 2CC #6 CA_2A‐30A 5, 10, 15, 20 5, 10 3CC #14 3CC #6 CA_2A‐4A‐4A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No 4CC #6 CA_2A‐5B‐66A 5, 10, 15, 20 5, 10 5, 10 5, 10, 15, 20 5CC #1 2CC #8 CA_2A‐66A (2) 5, 10, 15, 20 5, 10, 15, 20 5CC #1 3CC #7 CA_2A‐4A‐5A 5, 10, 15, 20 5, 10, 15, 20 5, 10 4CC #1 4CC #7 CA_5B‐30A‐66A 5, 10 5, 10 5, 10 5, 10 5CC #1 2CC #9 CA_2A‐71A 5, 10, 15, 20 5, 10, 15, 20 3CC #10 3CC #8 CA_2A‐4A‐12A 5, 10, 15, 20 5, 10, 15, 20 5, 10 No 4CC #8 CA_5B‐66A‐66A 5, 10 5, 10 5, 10, 15, 20 5, 10, 15, 20 5CC #2 2CC #10 CA_4A‐4A 5, 10, 15, 20 5, 10, 15, 20 3CC #6 3CC #9 CA_2A‐4A‐13A 5, 10, 15, 20 5, 10, 15, 20 10 No 4CC #9 CA_5A‐30A‐66A‐66A 5, 10 5, 10 5, 10, 15, 20 5, 10, 15, 20 No 2CC #11 CA_4A‐5A (1) 5, 10, 15, 20 5, 10 4CC #1 3CC #10 CA_2A‐4A‐71A 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No 4CC #10 CA_41E 15, 20 15, 20 15, 20 20 No 2CC #12 CA_4A‐12A (4) 5, 10, 15, 20 5, 10 3CC #8 3CC #11 CA_2A‐5B 5, 10, 15, 20 5, 10 5, 10 4CC #5 2CC #13 CA_4A‐13A 5, 10, 15, 20 10 3CC #9 3CC #12 CA_2A‐7A‐12A 5, 10, 15, 20 5, 10, 15, 20 5, 10 No 2CC #14 CA_4A‐17A 5, 10 5, 10 B17 SCC Only No 3CC #13 CA_2A‐12B 5, 10, 15, 20 5 5, 10 No 2CC #15 CA_5B 5, 10 5, 10 5CC #1 3CC #14 CA_2A‐12A‐30A 5, 10, 15, 20 5, 10 5, 10 No 2CC #16 CA_5A‐25A 5, 10 5, 10, 15, 20 No 3CC #15 CA_4A‐4A‐5A 5, 10, 15, 20 5, 10, 15, 20 5, 10 No 2CC #17 CA_7C 15, 20 15, 20 No 3CC #16 CA_5B‐30A 5, 10 5, 10 5, 10 5CC #1 2CC #18 CA_7A‐7A (1) 5, 10, 15, 20 5, 10, 15, 20 No 3CC #17 CA_5B‐66A 5, 10 5, 10 5, 10, 15, 20 5CC #1 2CC #19 CA_7A‐12A 5, 10, 15, 20 5, 10 3CC #12 3CC #18 CA_5A‐30A‐66A 5, 10 5, 10 5, 10, 15, 20 4CC #9 2CC #20 CA_12B 5 5, 10 3CC #13 3CC #19 CA_12A‐66C 5, 10 5, 10, 15, 20 5, 10, 15, 20 No 2CC #21 CA_12A‐25A 5, 10 5, 10, 15, 20 No 3CC #20 CA_30A‐66A‐66A 5, 10 5, 10, 15, 20 5, 10, 15, 20 4CC #9 2CC #22 CA_12A‐30A 5, 10 5, 10 3CC #14 3CC #21 CA_41D 10, 15, 20 10, 15, 20 10, 15, 20 No 2CC #23 CA_41A‐41A (1) 5, 10, 15, 20 5, 10, 15, 20 No 3CC #22 CA_41A‐41C 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No 3CC #23 CA_66D 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No 3CC #24 CA_66A‐66C 5, 10, 15, 20 5, 10, 15, 20 5, 10, 15, 20 No Reviewed by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX G 05/21/19 - 06/10/19 Portable Handset Page 1 of 3 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

1.2 LTE Downlink Only Carrier Aggregation Test Selection and Setup SAR test exclusion for LTE downlink Carrier Aggregation is determined by power measurements according to the number component carriers (CCs) supported by the product implementation. For those configurations required by April 2018 TCBC Workshop Notes, conducted power measurements with LTE Carrier Aggregation (CA) (downlink only) active are made in accordance to KDB Publication 941225 D05Av01r02. The RRC connection is only handled by one cell, the primary component carrier (PCC) for downlink and uplink communications. After making a data connection to the PCC, the UE device adds secondary component carrier(s) (SCC) on the downlink only. All uplink communications and acknowledgements remain identical to specifications when downlink carrier aggregation is inactive on the PCC. Additional conducted output powers are measured with the downlink carrier aggregation active for the configuration with highest measured maximum conducted power with downlink carrier aggregation inactive measured among the channel bandwidth, modulation, and RB combinations in each frequency band. Per FCC KDB Publication 941225 D05Av01r02, no SAR measurements are required for carrier aggregation configurations when the maximum average output power with downlink only carrier aggregation active is not more than 0.25 dB higher than the average output power with downlink only carrier aggregation inactive. All bands required for SAR testing per FCC KDB procedures were considered. Based on the measured maximum powers below, no additional SAR tests were required for DLCA SAR configurations. General PCC and SCC configuration selection procedure - PCC uplink channel, channel bandwidth, modulation and RB configurations were selected based on section C)3)b)ii) of KDB 941225 D05 V01r02. The downlink PCC channel was paired with the selected PCC uplink channel according to normal configurations without carrier aggregation. - To maximize aggregated bandwidth, highest channel bandwidth available for that CA combination was selected for SCC. For inter-band CA, the SCC downlink channels were selected near the middle of their transmission bands. For contiguous intra-band CA, the downlink channel spacing between the component carriers was set to multiple of 300 kHz less than the nominal channel spacing defined in section 5.4.1A of 3GPP TS 36.521. For non-contiguous intra-band CA, the downlink channel spacing between the component carriers was set to be larger than the nominal channel spacing and provided maximum separation between the component carriers. - All selected PCC and SCC(s) remained fully within the uplink/downlink transmission band of the respective component carrier. Base Station Wireless Device Simulator Figure 1 DL CA Power Measurement Setup Reviewed by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX G 05/21/19 - 06/10/19 Portable Handset Page 2 of 3 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019

1.3 Downlink Carrier Aggregation RF Conducted Powers 1.3.1 LTE Band 12 as PCC Table 1 Maximum Output Powers PCC SCC 1 Power LTE Tx.Power LTE Single PCC BW PCC (UL) PCC UL# PCC UL RB PCC (DL) PCC (DL) Freq. SCC BW SCC (DL) SCC (DL) with DL CA Combination PCC Band PCC (UL) Ch. Mod. SCC Band Carrier Tx [MHz] Freq. [MHz] RB Offset Channel [MHz] [MHz] Channel Freq. [MHz] Enabled Power (dBm) (dBm) CA_2A-12A (2) LTE B12 10 23095 707.5 QPSK 1 25 5095 737.5 LTE B2 10 900 1960 25.30 25.30 CA_4A-12A LTE B12 10 23095 707.5 QPSK 1 25 5095 737.5 LTE B4 10 2175 2132.5 25.05 25.30 1.3.2 LTE Band 5 as PCC Table 2 Maximum Output Powers PCC SCC 1 Power LTE Tx.Power LTE Single PCC BW PCC (UL) PCC UL# PCC UL RB PCC (DL) PCC (DL) Freq. SCC BW SCC (DL) SCC (DL) with DL CA Combination PCC Band PCC (UL) Ch. Mod. SCC Band Carrier Tx [MHz] Freq. [MHz] RB Offset Channel [MHz] [MHz] Channel Freq. [MHz] Enabled Power (dBm) (dBm) CA_2A-5A (1) LTE B5 10 20525 836.5 QPSK 1 25 2525 881.5 LTE B2 10 900 1960 24.48 25.10 CA_4A-5A LTE B5 10 20525 836.5 QPSK 1 25 2525 881.5 LTE B4 10 2175 2132.5 25.12 25.10 1.3.3 LTE Band 4 as PCC Table 3 Maximum Output Powers PCC SCC 1 Power LTE Tx.Power LTE Single PCC BW PCC (UL) PCC UL# PCC UL RB PCC (DL) PCC (DL) Freq. SCC BW SCC (DL) SCC (DL) with DL CA Combination PCC Band PCC (UL) Ch. Mod. SCC Band Carrier Tx [MHz] Freq. [MHz] RB Offset Channel [MHz] [MHz] Channel Freq. [MHz] Enabled Power (dBm) (dBm) CA_4A-5A LTE B4 10 20175 1732.5 QPSK 1 0 2175 2132.5 LTE B5 10 2525 881.5 24.69 24.80 CA_4A-12A LTE B4 10 20175 1732.5 QPSK 1 0 2175 2132.5 LTE B12 10 5095 737.5 24.56 24.80 1.3.4 LTE Band 2 as PCC Table 4 Maximum Output Powers PCC SCC 1 Power LTE Tx.Power LTE Single PCC BW PCC (UL) PCC UL# PCC UL RB PCC (DL) PCC (DL) Freq. SCC BW SCC (DL) SCC (DL) with DL CA Combination PCC Band PCC (UL) Ch. Mod. SCC Band Carrier Tx [MHz] Freq. [MHz] RB Offset Channel [MHz] [MHz] Channel Freq. [MHz] Enabled Power (dBm) (dBm) CA_2A-5A (1) LTE B2 10 18900 1880 QPSK 1 25 900 1960 LTE B5 10 2525 881.5 24.18 24.80 CA_2A-12A (2) LTE B2 10 18900 1880 QPSK 1 25 900 1960 LTE B12 10 5095 737.5 24.08 24.80 Reviewed by: FCC ID: ZNFX320AA SAR EVALUATION REPORT Quality Manager Test Dates: DUT Type: APPENDIX G 05/21/19 - 06/10/19 Portable Handset Page 3 of 3 © 2019 PCTEST Engineering Laboratory, Inc. REV 21.3 M 02/15/2019


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