Test Report HAC RF

FCC ID: IHDT56XP2

Test Report

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FCCID_4075287

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A HEARING AID COMPATIBILITY RF EMISSIONS TEST REPORT FCC ID : IHDT56XP2 Equipment : Mobile Cellular Phone Brand Name : Motorola M-Rating : M4 Applicant : Motorola Mobility LLC 222 W,Merchandise Mart Plaza, Chicago IL 60654 USA Manufacturer : Motorola Mobility LLC 222 W,Merchandise Mart Plaza, Chicago IL 60654 USA Standard : FCC 47 CFR §20.19 ANSI C63.19-2011 The product was received on Sep. 21, 2018 and testing was started from Oct. 10, 2018 and completed on Oct. 10, 2018. We, SPORTON INTERNATIONAL INC., would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any agency of government. The test results in this variant report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERTIONAL INC. EMC & Wireless Communications Laboratory, the test report shall not be reproduced except in full. Approved by: Cona Huang / Deputy Manager SPORTON INTERNATIONAL INC. EMC & Wireless Communications Laboratory No. 52, Huaya 1st Rd., Guishan Dist., Taoyuan City, Taiwan (R.O.C.) TEL : 886-3-327-3456 Page : 1 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A Table of Contents 1. General Information ................................................................................................................................................... 4 2. Testing Location......................................................................................................................................................... 5 3. Applied Standards ..................................................................................................................................................... 5 4. RF Audio Interference Level...................................................................................................................................... 5 5. Air Interface and Operating Mode............................................................................................................................. 6 6. Measurement System Specification ......................................................................................................................... 7 6.1 E-Field Probe System ....................................................................................................................................... 7 6.2 Data Storage and Evaluation ............................................................................................................................ 8 7. RF Emissions Test Procedure................................................................................................................................... 9 8. Test Equipment List ..................................................................................................................................................12 9. Measurement System Validation .............................................................................................................................13 10. Modulation Interference Factor................................................................................................................................14 11. Low-power Exemption ..............................................................................................................................................15 12. Conducted RF Output Power (Unit: dBm) ...............................................................................................................16 13. HAC RF Emission Test Results ................................................................................................................................17 14. Uncertainty Assessment ..........................................................................................................................................18 15. References .................................................................................................................................................................20 Appendix A. Plots of System Performance Check Appendix B. Plots of RF Emission Measurement Appendix C. DASY Calibration Certificate TEL : 886-3-327-3456 Page : 2 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A History of this test report Report No. Version Description Issued Date HA890804-01A Rev. 01 Initial issue of report Nov. 08, 2018 TEL : 886-3-327-3456 Page : 3 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 1. General Information Product Feature & Specification Applicant Name Motorola Mobility LLC Equipment Name Mobile Cellular Phone Brand Name Motorola FCC ID IHDT56XP2 HW Version DVT1B SW Version PPO29.62 EUT Stage Identical Prototype Date Tested 2018/10/10 GSM850: 824.2 MHz ~ 848.8 MHz GSM1900: 1850.2 MHz ~ 1909.8 MHz WCDMA Band II: 1852.4 MHz ~ 1907.6 MHz WCDMA Band IV: 1712.4 MHz ~ 1752.6 MHz WCDMA Band V: 826.4 MHz ~ 846.6 MHz LTE Band 2: 1850.7 MHz ~ 1909.3 MHz LTE Band 4: 1710.7 MHz ~ 1754.3 MHz LTE Band 5: 824.7 MHz ~ 848.3 MHz LTE Band 7: 2502.5 MHz ~ 2567.5 MHz Frequency Band LTE Band 12: 699.7 MHz ~ 715.3 MHz LTE Band 17: 706.5 MHz ~ 713.5 MHz LTE Band 66: 1710.7 MHz ~ 1779.3 MHz WLAN 2.4GHz Band: 2412 MHz ~ 2462 MHz WLAN 5.2GHz Band: 5180 MHz ~ 5240 MHz WLAN 5.3GHz Band: 5260 MHz ~ 5320 MHz WLAN 5.5GHz Band: 5500 MHz ~ 5700 MHz WLAN 5.8GHz Band: 5745 MHz ~ 5825 MHz Bluetooth: 2402 MHz ~ 2480 MHz GSM/GPRS/EGPRS AMR / RMC 12.2Kbps HSDPA Mode HSUPA LTE: QPSK, 16QAM 802.11a/b/g/n HT20/HT40 Bluetooth BR/EDR/LE Reviewed by: Jason Wang Report Producer: Wan Liu TEL : 886-3-327-3456 Page : 4 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

seortron ias._HAC RF EMISSIONS TEST REPORT Report No. : HA890804—01A 2. Testing Location Sporton Lab is accredited to ISO 17025 by Taiwan Accreditation Foundation (TAF code: 1190) and the FCC designation No. TW 1190 under the FCC 2.948(e) by Mutual Recognition Agreement (MRA) in FCC test. Testing Laboratory [Csc SPORTON INTERNATIONAL INC. No. 52, Huaya 1st Rd., Guishan Dist., Taoyuan City, Taiwan (R.0.C.) ECcc TEL: +886—3—327—3456 FAX: +886—3—328—4978 B Sporton Site No.: 1Cc SAROA—HY 3. Applied Standards + FCC CFR47 Part 20.19 + ANSIC63.19—2011 + FCC KDB 285076 DO1 HAC Guidance v05 +_ FCC KDB 285076 DO2 T Coil testing v03 +__FCC KDB 285076 D03 HAC FAQ v01 4. RF Audio Interference Level FCC wireless hearing aid compatibility rules ensure that consumers with hearing loss are able to access wireless communications services through a wide selection of handsets without experiencing disabling radio frequency (RF) interference or other technical obstacles. To define and measure the hearing aid compatibility of handsets, in CFR47 part 20.19 ANSI €63.19 is referenced. A handset is considered hearing aid—compatible for acoustic coupling if it meets a rating of at least M3 under ANSI C63.19, and A handset is considered hearing aid compatible for inductive coupling if it meets a rating of at least T3. According to ANSI €63.19 2011 version, for acoustic coupling, the RF electric field emissions of wireless communication devices should be measured and rated according to the emission level as below. E—field emissions Emission Categories <960Mhz >960Mhz M1i 50 to 55 dB (V/m) 40 to 45 dB (V/m) M2 45 to 50 dB (V/m) 35 to 40 dB (V/m) M3 40 to 45 dB (V/m) 30 to 35 dB (V/m) M4 <40 dB (V/m) <30 dB (V/m) Table 5.1 Telephone near—field categories in linear units TEL : 886—3—327—3456 Page : 5 of 20 FAX : 886—3—328—4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 5. Air Interface and Operating Mode Air C63.19 Simultaneous Name of Voice Power Interface Band MHz Type Tested Transmitter Service Reduction GSM850 WLAN, BT No VO Yes CMRS Voice GSM1900 WLAN, BT No GSM EDGE850 WLAN, BT VD Yes Google Duo No EDGE1900 WLAN, BT 850 WLAN, BT No 1750 VO No(1) WLAN, BT CMRS Voice No WCDMA 1900 WLAN, BT No (1) HSPA VD No WLAN, BT Google Duo No Band 2 WLAN, BT No Band 4 WLAN, BT No Band 5 WLAN, BT VoLTE No LTE Band 7 VD No(1) WLAN, BT / No (FDD) Band 12 WLAN, BT Google Duo No Band 17 WLAN, BT No Band 66 WLAN, BT No 2450 GSM,WCDMA,LTE No 5200 GSM,WCDMA,LTE VoWiFi No Wi-Fi 5300 VD No(1) GSM,WCDMA,LTE / No 5500 GSM,WCDMA,LTE Google Duo No 5800 GSM,WCDMA,LTE No BT 2450 DT No GSM,WCDMA,LTE NA No Type Transport: VO= Voice only DT= Digital Transport only (no voice) VD= CMRS and IP Voice Service over Digital Transport Remark: 1. The air interface is exempted from testing by low power exemption that its average antenna input power plus its MIF is ≤17 dBm, and is rated as M4. TEL : 886-3-327-3456 Page : 6 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

seorrow cas. _HAC RF EMISSIONS TEST REPORT Report No. : HA890804—01A 6. Measurement System Specification Remote Control Box PC Signal Lamps Electo—Ortical Commerter (E0C) <tlk» oae (Ost. Ling Measurement Server E—feld ortfeld Probe Light Beam Device Under Test 2x Serial + = Digtal ¥O Phantom~— I—Device Holder — Teach Pendant t——GI Robot Controller DO Fig 5.1 System Configurations 6.1 E—Field Probe System E—Field Probe Specification <ER3DV6> Construction One dipole parallel, two dipoles normal to probe axis Built—in shielding against static charges Calibration In air from 100 MHz to 3.0 GHz (absolute accuracy +6.0%, k=2) efEcsy 100 MHz to 6 GHz; Linearity: + 2.0 dB (100 MHz to 3 GHz) Directivity + 0.2 dB in air (rotation around probe axis) + 0.4 dB in air (rotation normal to probe axis) Dynamic Range 2 V/m to 1000 V/m (M3 or better device readings fall well below diode compression point) Linearity + 0.2 dB Dimensions Overall length: 330 mm (Tip: 16 mm) Tip diameter: 8 mm (Body: 12 mm) Distance from probe tip to dipole centers: 2.5 mm Fig 5.2 Photo of E—field Probe Probe Tip Description: HAC field measurements take place in the close near field with high gradients. Increasing the measuring distance from the source will generally decrease the measured field values (in case of the validation dipole approx. 109&per mm}. TEL : 886—3—327—3456 Page : 7 of 20 FAX : 886—3—328—4978 Issued Date : Nov. 08, 2018 Form version: 180516

seorton cas. _HAC RF EMISSIONS TEST REPORT Report No. : HA890804—01A 6.2 Data Storage and Evaluation The DASY software stores the assessed data from the data acquisition electronics as raw data (in microvolt readings from the probe sensors), together with all the necessary software parameters for the data evaluation {probe calibration data, and device frequency and modulation data) in measurement files. Probe parameters : — Sensitivity NOFM;: &ip; Aits Siz — Conversion factor ConvF; — Diode compression point dep; Device parameters : — Frequency f — Crest factor cf Media parameters : — Conductivity 0 — Density p The formula for each channel can be given as : , _of Vi:Ui+Ui W i with V; = compensated signal of channel i, (i= x, y, z) U; = input signal of channel i, (i =x, y, z) cf = crest factor of exciting field (DASY parameter) dep; = diode compression point (DASY parameter) From the compensated input signals, the primary field data for each channel can be evaluated : V E—field Probes : E; = Normp—ConvF with V; = compensated signal of channel i, (i= x, y, z) Norm; = sensor sensitivity of channel i, (i=x, y, z), pV/(V/m)2 for E—field Probes ConvF = sensitivity enhancement in solution f = carrier frequency [GHz] E; = electric field strength of channel i in V/m The RSS value of the field components gives the total field strength (Hermitian magnitude) : Eror = _[E2 + EJ + E2 The primary field data are used to calculate the derived field units. TEL : 886—3—327—3456 Page : 8 of 20 FAX : 886—3—328—4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 7. RF Emissions Test Procedure Referenced from ANSI C63.19 -2011 section 5.5.1 a. Confirm the proper operation of the field probe, probe measurement system, and other instrumentation and the positioning system. b. Position the WD in its intended test position. c. Set the WD to transmit a fixed and repeatable combination of signal power and modulation characteristic that is representative of the worst case (highest interference potential) encountered in normal use. Transiently occurring start-up, changeover, or termination conditions, or other operations likely to occur less than 1% of the time during normal operation, may be excluded from consideration. d. The center sub-grid shall be centered on the T-Coil mode perpendicular measurement point or the acoustic output, as appropriate. Locate the field probe at the initial test position in the 50 mm by 50 mm grid, which is contained in the measurement plane, refer to illustrated in Figure 8.2. If the field alignment method is used, align the probe for maximum field reception. e. Record the reading at the output of the measurement system. f. Scan the entire 50 mm by 50 mm region in equality spaced increments and record the reading at each measurement point, The distance between measurement points shall be sufficient to assure the identification of the maximum reading. g. Identify the five contiguous sub-grids around the center sub-grid whose maximum reading is the lowest of all available choices. This eliminates the three sub-grids with the maximum readings. Thus, the six areas to be used to determine the WD's highest emissions are identified. h. Identify the maximum reading within the non-excluded sub-grids identified in step g). i. Indirect measurement method j. The RF audio interference level in dB (V/m) is obtained by adding the MIF (in dB) to the maximum steady-state rms field-strength reading, in dB (V/m) k. Compare this RF audio interference level with the categories in ANSI C63.19-2011 clause 8 and record the resulting WD category rating. l. For the T-Coil perpendicular measurement location is ≥5.0 mm from the center of the acoustic output, then two different 50 mm by 50 mm areas may need to be scanned, the first for the microphone mode assessment and the second for the T-Coil assessment. m. The second for the T-Coil assessment, with the grid shifted so that it is centered on the perpendicular measurement point. Record the WD category rating. TEL : 886-3-327-3456 Page : 9 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A Figure 8.1 RF Emissions Flow Chart TEL : 886-3-327-3456 Page : 10 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A Fig 8.2 EUT reference and plane for HAC RF emission measurements Fig. 8.3 Gauge block with E-field probe TEL : 886-3-327-3456 Page : 11 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 8. Test Equipment List Calibration Manufacturer Name of Equipment Type/Model Serial Number Last Cal. Due Date SPEAG 835MHz Calibration Dipole CD835V3 1030 Jun. 21, 2018 Jun. 20, 2019 SPEAG 1880MHz Calibration Dipole CD1880V3 1023 Jun. 21, 2018 Jun. 20, 2019 SPEAG Isotropic E-Field Probe ER3DV6 2358 Jan. 19, 2018 Jan. 18, 2019 SPEAG Data Acquisition Electronics DAE4 854 Jun. 14, 2018 Jun. 13, 2019 Gencom Thermometer TE1 TM225-1 Mar. 16, 2018 Mar. 15, 2019 SPEAG Test Arch Phantom N/A N/A NCR NCR SPEAG Phone Positoiner N/A N/A NCR NCR Anritsu Power Meter ML2495A 1419002 May. 18, 2018 May. 19, 2019 Anritsu Power Sensor MA2411B 1339124 May. 18, 2018 May. 19, 2019 Anritsu Signal Generator MG3710A 6201502524 Dec. 07, 2017 Dec. 06, 2018 R&S Base Station CMW500 115793 May. 24, 2018 May. 23, 2019 ATM Dual Directional Coupler C122H-10 P610410z-02 NCR NCR Woken Attenuator WK0602-XX N/A NCR NCR Mini-Circuits Power Amplifier ZVE-8G+ 6382 Aug. 09, 2018 Aug. 08, 2019 Mini-Circuits Power Amplifier ZHL-42W+ 15542 Aug. 09, 2018 Aug. 08, 2019 Note: 1. NCR: “No-Calibration Required” TEL : 886-3-327-3456 Page : 12 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 9. Measurement System Validation Each DASY system is equipped with one or more system validation kits. These units, together with the predefined measurement procedures within the DASY software, enable the user to conduct the system performance check and system validation. System validation kit includes a dipole, tripod holder to fix it underneath the test Arch and a corresponding distance holder. The system performance check verifies that the system operates within its specifications. System and operator errors can be detected and corrected. It is recommended that the system performance check be performed prior to any usage of the system in order to guarantee reproducible results. The system performance check uses normal HAC measurements in a simplified setup with a well characterized source. This setup was selected to give a high sensitivity to all parameters that might fail or vary over time. The system check does not intend to replace the calibration of the components, but indicates situations where the system uncertainty is exceeded due to drift or failure. <Test Setup> 1. In the simplified setup for system evaluation, the EUT is replaced by a calibrated dipole and the power source is replaced by a continuous wave which comes from a signal generator. 2. The center point of the probe element(s) is 15mm from the closest surface of the dipole elements. 3. The calibrated dipole must be placed beneath the arch phantom. The equipment setup is shown below: 4. The output power on dipole port must be calibrated to 20dBm (100mW) before dipole is connected. Fig. 7.1 Setup Diagram <Validation Results> Comparing to the original E-field value provided by SPEAG, the verification data should be within its specification of 25 %. Table 6.1 shows the target value and measured value. The table below indicates the system performance check can meet the variation criterion and the plots can be referred to appendix A of this report. Deviation = ((Average E-field Value) - (Target value)) / (Target value) * 100% E-Field E-Field Average Frequency Input Power Target Value Deviation above high above low Value Date (MHz) (dBm) (V/m) (%) end (V/m) end (V/m) (V/m) 835 20 110.5 115 115.3 115.15 4.21 Oct 10, 2018 1880 20 88.6 90.32 93.05 91.685 3.48 Oct 10, 2018 TEL : 886-3-327-3456 Page : 13 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 10. Modulation Interference Factor The HAC Standard ANSI C63.19-2011 defines a new scaling using the Modulation Interference Factor (MIF). For any specific fixed and repeatable modulated signal, a modulation interference factor (MIF, expressed in dB) may be developed that relates its interference potential to its steady-state rms signal level or average power level. This factor is a function only of the audio-frequency amplitude modulation characteristics of the signal and is the same for field-strength and conducted power measurements. It is important to emphasize that the MIF is valid only for a specific repeatable audio-frequency amplitude modulation characteristic. Any change in modulation characteristic requires determination and application of a new MIF The Modulation Interference factor (MIF, in dB) is added to the measured average E-field (in dBV/m) and converts it to the RF Audio Interference level (in dBV/m). This level considers the audible amplitude modulation components in the RF E-field. CW fields without amplitude modulation are assumed to not interfere with the hearing aid electronics. Modulations without time slots and low fluctuations at low frequencies have low MIF values, TDMA modulations with narrow transmission and repetition rates of few 100 Hz have high MIF values and give similar classifications as ANSI C63.19-2011. ER3D, EF3D and EU2D E-field probes have a bandwidth <10 kHz and can therefore not evaluate the RF envelope in the full audio band. DASY52 is therefore using the indirect measurement method according to ANSI C63.19-2011 which is the primary method. These near field probes read the averaged E-field measurement. Especially for the new high peak-to-average (PAR) signal types, the probes shall be linearized by PMR calibration in order to not overestimate the field reading. Probe Modulation Response (PMR) calibration linearizes the probe response over its dynamic range for specific modulations which are characterized by their UID and result in an uncertainty specified in the probe calibration certificate. The MIF is characteristic for a given waveform envelope and can be used as a constant conversion factor if the probe has been PMR calibrated. The evaluation method for the MIF is defined in ANSI C63.19-2011 section D.7. An RMS demodulated RF signal is fed to a spectral filter (similar to an A weighting filter) and forwarded to a temporal filter acting as a quasi-peak detector. The averaged output of these filtering is scaled to a 1 kHz 80% AM signal as reference. MIF measurement requires additional instrumentation and is not well suited for evaluation by the end user with reasonable uncertainty. It may alliteratively be determined through analysis and simulation, because it is constant and characteristic for a communication signal. DASY52 uses well-defined signals for PMR calibration. The MIF of these signals has been determined by simulation and it is automatically applied. The MIF measurement uncertainty is estimated as follows, declared by HAC equipment provider SPEAG, for modulation frequencies from slotted waveforms with fundamental frequency and at least 2 harmonics within 10 kHz: 1. 0.2 dB for MIF: -7 to +5 dB 2. 0.5 dB for MIF: -13 to +11 dB 3. 1 dB for MIF: > -20 dB MIF values applied in this test report were provided by the HAC equipment provider of SPEAG, and the worst values for all air interface are listed below to be determine the Low-power Exemption. UID Communication System Name MIF(dB) 10021 GSM-FDD(TDMA,GMSK) 3.63 10025 EDGE-FDD (TDMA, 8PSK, TN 0) 3.75 10460 UMTS-FDD(WCDMA, AMR) -25.43 10225 UMTS-FDD (HSPA+) -20.39 10170 LTE-FDD(SC-FDMA,1RB,20MHz,16-QAM) -9.76 10061 IEEE 802.11b WiFi 2.4 GHz (DSSS, 11 Mbps) -2.02 10077 IEEE 802.11g WiFi 2.4 GHz (DSSS/OFDM, 54 Mbps) 0.12 10427 IEEE 802.11n (HT Greeneld, 150 Mbps, 64-QAM) -13.44 TEL : 886-3-327-3456 Page : 14 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 11. Low-power Exemption <Max Tune-up Limit> Average Power Mode (dBm) GSM850 33.5 EDGE850 27.5 GSM GSM1900 30.5 EDGE1900 27.0 Band II 23.5 WCDMA Band IV 23.5 Band V 23.5 Band 2 23.5 Band 4 23.5 Band 5 23.5 FDD LTE Band 7 23.5 Band 12 23.5 Band 17 23.5 Band 66 23.5 802.11b 17.0 2.4GHz WLAN 802.11g 14.0 802.11n-HT20 12.0 802.11a 15.0 5GHz WLAN 802.11n-HT20 15.0 802.11n-HT40 15.0 TEL : 886-3-327-3456 Page : 15 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A <Low Power Exemption> Max Average Worst Case Power + C63.19 test Air Interface Antenna Input MIF (dB) MIF(dB) required Power (dBm) GSM850 33.5 3.63 37.13 Yes EDGE850 27.5 3.75 31.25 Yes(1) GSM1900 30.5 3.63 34.13 Yes EDGE1900 27.0 3.75 30.75 Yes(1) WCDMA 23.5 -25.43 -1.93 No WCDMA - HSPA 23.0 -20.39 2.61 No LTE - FDD 23.5 -9.76 13.74 No 802.11b 17.0 -2.02 14.98 No 802.11g 14.0 0.12 14.12 No 802.11n-HT20 12.0 -13.44 -1.44 No 802.11a 15.0 -3.15 11.85 No 802.11n-HT20 15.0 -13.44 1.56 No 802.11n-HT40 15.0 -13.44 1.56 No General Note: 1. EDGE data modes is not necessary due the GSM Voice mode is the worst case. 2. According to ANSI C63.19 2011-version, for the air interface technology of a device is exempt from testing when its average antenna input power plus its MIF is ≤17 dBm for any of its operating modes. 3. HAC RF rating is M4 for the air interface which meets the low power exemption. 12. Conducted RF Output Power (Unit: dBm) Average Antenna Input Power(dBm) Band GSM850 GSM1900 Channel 128 189 251 512 661 810 Frequency (MHz) 824.2 836.4 848.8 1850.2 1880.0 1909.8 GSM (GMSK, 1 Tx slot) 33.18 33.01 33.05 29.57 29.76 29.80 TEL : 886-3-327-3456 Page : 16 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

seortron ias._HAC RF EMISSIONS TEST REPORT Report No . : HA890804—01A 13. HAC RF Emission Test Results GSMB50 GSM Voice 128 33.18 3.63 36.70 8.30 M4 GSMB50 GSM Voice 189 33.01 3.63 37.60 7.40 M4 GSMB50 GSM Voice 251 33.05 3.63 36.74 8.26 M4 GSM1900 GSM Voice 512 29.57 3.63 24.93 10.07 M4 GSM1900 GSM Voice 661 29.76 3.63 25.32 9.68 M4 GSM1900 GSM Voice 810 29.80 3.63 26.33 8.67 M4 Remark: 1. The HAC measurement system applies MIF value onto the measured RMS E—field, which is indirect method in ANSI C63.19 2011 version, and reports the RF audio interference level. 2. Phone Condition: Mute on; Backlight off; Max Volume Test Engineer : Steven Chang. TEL : 886—3—327—3456 Page : 1 7 of 20 FAX : 886—3—328—4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 14. Uncertainty Assessment The component of uncertainly may generally be categorized according to the methods used to evaluate them. The evaluation of uncertainly by the statistical analysis of a series of observations is termed a Type A evaluation of uncertainty. The evaluation of uncertainty by means other than the statistical analysis of a series of observation is termed a Type B evaluation of uncertainty. Each component of uncertainty, however evaluated, is represented by an estimated standard deviation, termed standard uncertainty, which is determined by the positive square root of the estimated variance. The combined standard uncertainty of the measurement result represents the estimated standard deviation of the result. It is obtained by combining the individual standard uncertainties of both Type A and Type B evaluation using the usual “root-sum-squares” (RSS) methods of combining standard deviations by taking the positive square root of the estimated variances. Expanded uncertainty is a measure of uncertainty that defines an interval about the measurement result within which the measured value is confidently believed to lie. It is obtained by multiplying the combined standard uncertainty by a coverage factor. For purpose of this document, a coverage factor two is used, which corresponds to confidence interval of about 95 %. The DASY uncertainty Budget is showed in Table 12.1. TEL : 886-3-327-3456 Page : 18 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516

seorrow cas. _HAC RF EMISSIONS TEST REPORT Report No. : HA890804—01A Probe Calibration . Normal £5.1 % Axial Isot . Rectangular 42.7 % Sensor Displacement Rectangular +9.5 % Boundary Effects . Rectangular £1.4% Phantom Boundary Effects . Rectangular 441 % Linearity . Rectangular +2.7 % Scaling with PMR Calibration Rectangular £5.77 % System Detection Limit . Rectangular +0.6 % Readout Electronics . Normal +0.3 % Response Time . Rectangular +0.5 % Integration Time . Rectangular £1.5% RF Ambient Conditions . Rectangular £1.7 % RF Reflections Rectangular +6.9 % Probe Positioner . Rectangular + 0.7 % Probe Positionin: . Rectangular 42.7 % Extrap. and Interpolation — Rectangular +0.6 % Device Positioning Vertical . Rectangular +2.7 % Device Positioning Lateral — Rectangular +0.6 % Device Holder and Phantom . Rectangular 41.4% Power Drift — Rectangular +2.9 % Phantom Thickness . Rectangular £1.4% Combined Standard Uncertainty +16.30% Coverage Factor for 95 % K=2 Table 12.1 Uncertainty Budget of HAC free field assessment Remark: Worst—Case uncertainty budget for HAC free field assessment according to ANSIC63.19 [1], [2]. The budgetis valid for the frequency range 700 MHz — 3 GHz and represents a worst case analysis. TEL : 886—3—327—3456 Page : 19 of 20 FAX : 886—3—328—4978 Issued Date : Nov. 08, 2018 Form version: 180516

HAC RF EMISSIONS TEST REPORT Report No. : HA890804-01A 15. References [1] ANSI C63.19-2011, “American National Standard for Methods of Measurement of Compatibility between Wireless Communications Devices and Hearing Aids”, 27 May 2011. [2] FCC KDB 285076 D01v05, “Equipment Authorization Guidance for Hearing Aid Compatibility”, Sep 2017 [3] FCC KDB 285076 D02v03, “Guidance for performing T-Coil tests for air interfaces supporting voice over IP (e.g., LTE and WiFi) to support CMRS based telephone services”, Sep 2017 [4] FCC KDB 285076 D03v01, “Hearing aid compatibility frequently asked questions”, Sep 2017 [5] SPEAG DASY System Handbook TEL : 886-3-327-3456 Page : 20 of 20 FAX : 886-3-328-4978 Issued Date : Nov. 08, 2018 Form version: 180516


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