Test report WCDMA Band IV

FCC ID: 2AFZZ-RMSC3EH

Test Report

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FCC RF Test Report Report No. : FG931208-01C FCC RF Test Report APPLICANT : Xiaomi Communications Co., Ltd. EQUIPMENT : Mobile Phone BRAND NAME : Redmi MODEL NAME : M1903C3EH FCC ID : 2AFZZ-RMSC3EH STANDARD : 47 CFR Part 2, 27(L) CLASSIFICATION : PCS Licensed Transmitter Held to Ear (PCE) The product was received on Mar. 12, 2019 and completely tested on Jun. 03, 2019. We, Sporton International (Kunshan) Inc., would like to declare that the tested sample has been evaluated in accordance with the procedures given in ANSI C63.26-2015 and shown compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International (Kunshan) Inc., the test report shall not be reproduced except in full. Reviewed by: Jason Jia / Supervisor Approved by: James Huang / Manager Sporton International (Kunshan) Inc. No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International (Kunshan) Inc. Page Number : 1 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C TABLE OF CONTENTS REVISION HISTORY.......................................................................................................................................... 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .......................................................................................................................... 5 1.1 Applicant ............................................................................................................................................ 5 1.2 Product Feature of Equipment Under Test ....................................................................................... 5 1.3 Product Specification of Equipment Under Test ............................................................................... 6 1.4 Modification of EUT ........................................................................................................................... 7 1.5 Maximum EIRP Power, Frequency Tolerance, and Emission Designator........................................ 7 1.6 Testing Location ................................................................................................................................ 8 1.7 Applicable Standards ........................................................................................................................ 8 2 TEST CONFIGURATION OF EQUIPMENT UNDER TEST ........................................................................ 9 2.1 Test Mode.......................................................................................................................................... 9 2.2 Connection Diagram of Test System ................................................................................................ 9 2.3 Support Unit used in test configuration ........................................................................................... 10 2.4 Measurement Results Explanation Example .................................................................................. 10 2.5 Frequency List of Low/Middle/High Channels ................................................................................. 10 3 CONDUCTED TEST RESULT................................................................................................................... 11 3.1 Measuring Instruments .................................................................................................................... 11 3.2 Test Setup ....................................................................................................................................... 11 3.3 Test Result of Conducted Test ........................................................................................................ 11 3.4 Conducted Output Power and ERP/EIRP ....................................................................................... 12 3.5 Peak-to-Average Ratio .................................................................................................................... 13 3.6 99% Occupied Bandwidth and 26dB Bandwidth Measurement...................................................... 14 3.7 Conducted Band Edge .................................................................................................................... 15 3.8 Conducted Spurious Emission ........................................................................................................ 16 3.9 Frequency Stability .......................................................................................................................... 17 4 RADIATED TEST ITEMS .......................................................................................................................... 18 4.1 Measuring Instruments .................................................................................................................... 18 4.2 Test Setup ....................................................................................................................................... 18 4.3 Test Result of Radiated Test ........................................................................................................... 18 4.4 Field Strength of Spurious Radiation Measurement ....................................................................... 19 5 LIST OF MEASURING EQUIPMENT ........................................................................................................ 20 6 UNCERTAINTY OF EVALUATION ........................................................................................................... 21 APPENDIX A. TEST RESULTS OF CONDUCTED TEST APPENDIX B. TEST RESULTS OF RADIATED TEST APPENDIX C. TEST SETUP PHOTOGRAPHS Sporton International (Kunshan) Inc. Page Number : 2 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C REVISION HISTORY REPORT NO. VERSION DESCRIPTION ISSUED DATE FG931208-01C Rev. 01 Initial issue of report Jun. 06, 2019 Sporton International (Kunshan) Inc. Page Number : 3 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C SUMMARY OF TEST RESULT Report FCC Rule Description Limit Result Remark Section Conducted Output §2.1046 Reporting Only PASS - Power 3.4 Equivalent Isotropic §27.50(d)(4) < 1 Watts PASS - Radiated Power Peak-to-Average 3.5 N/A < 13 dB PASS - Ratio 3.6 §2.1049 Occupied Bandwidth Reporting Only PASS - §2.1051 Band Edge 3.7 < 43+10log10(P[Watts]) PASS - §27.53(h) Measurement §2.1051 3.8 Conducted Emission < 43+10log10(P[Watts]) PASS - §27.53(h) Frequency Stability §2.1055 3.9 for Temperature & Within Authorized Band PASS - §27.54 Voltage Under limit §2.1053 Field Strength of 40.78 dB at 4.4 < 43+10log10(P[Watts]) PASS §27.53(h) Spurious Radiation 6936.000 MHz Sporton International (Kunshan) Inc. Page Number : 4 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 1 General Description 1.1 Applicant Xiaomi Communications Co., Ltd. The Rainbow City of China Resources,NO.68,Qinghe Middle Street,Haidian District,Beijing,China 1.2 Product Feature of Equipment Under Test Product Feature Equipment Mobile Phone Brand Name Redmi Model Name M1903C3EH FCC ID 2AFZZ-RMSC3EH GSM/GPRS/EGPRS/WCDMA/HSPA/ DC-HSDPA/HSPA+(16QAM uplink is not supported)/LTE EUT supports Radios application WLAN 2.4GHz 802.11b/g/n HT20 Bluetooth BR /EDR/ LE FM Receiver / GNSS Conducted: 869323040059228/869323040059236 IMEI Code Radiation: 869323040058808/869323040058816 HW Version V2 SW Version MIUI10 EUT Stage Identical Prototype Remark: 1. The above EUT's information was declared by manufacturer. Please refer to the specifications or user's manual for more detailed description. 2. There are two types of EUT sample 1 and sample 2, the differences between two samples is for memory, sample 1 is 2+32GB capacity and sample 2 is 2+16GB capacity. According to the difference, we only choose sample 1 to perform full tests. Sporton International (Kunshan) Inc. Page Number : 5 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 1.3 Product Specification of Equipment Under Test Standards-related Product Specification GSM/GPRS/EDGE: 850: 824.2 MHz ~ 848.8 MHz 1900: 1850.2 MHz ~ 1909.8MHz Tx Frequency WCDMA: Band V: 826.4 MHz ~ 846.6 MHz Band II: 1852.4 MHz ~ 1907.6 MHz Band IV: 1712.4 MHz ~ 1752.6 MHz GSM/GPRS/EDGE: 850: 869.2 MHz ~ 893.8 MHz 1900: 1930.2 MHz ~ 1989.8 MHz Rx Frequency WCDMA: Band V: 871.4 MHz ~ 891.6 MHz Band II: 1932.4 MHz ~ 1987.6 MHz Band IV: 2112.4 MHz ~ 2152.6 MHz Maximum Output Power to Antenna Band IV: 23.03 dBm Antenna Type PIFA Antenna Antenna Gain AWS Band: -0.20 dBi GSM: GMSK GPRS: GMSK EDGE: GMSK / 8PSK WCDMA: BPSK (Uplink) Type of Modulation HSDPA/DC-HSDPA: QPSK (Uplink) HSUPA: QPSK (Uplink) HSPA+: 16QAM (uplink is not supported) DC-HSDPA: 64QAM Sporton International (Kunshan) Inc. Page Number : 6 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 1.4 Modification of EUT No modifications are made to the EUT during all test items. 1.5 Maximum EIRP Power, Frequency Tolerance, and Emission Designator Maximum Frequency Type of Emission FCC Rule System EIRP Tolerance Modulation Designator (W) (ppm) Part 27L WCDMA Band IV RMC 12.2Kbps BPSK 0.1919 0.0167 ppm 4M13F9W Sporton International (Kunshan) Inc. Page Number : 7 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 1.6 Testing Location Sporton International (Kunshan) Inc. is accredited to ISO/IEC 17025:2017 by American Association for Laboratory Accreditation with Certificate Number 5145.02. Test Firm Sporton International (Kunshan) Inc. No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Test Site Location TEL : +86-512-57900158 FAX : +86-512-57900958 Sporton Site No. FCC Designation No. FCC Test Firm Registration No. Test Site No. 03CH04-KS CN1257 314309 TH01-KS 1.7 Applicable Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards:  47 CFR Part 2, 27(L)  ANSI C63.26-2015  FCC KDB 971168 D01 Power Meas. License Digital Systems v03r01  FCC KDB 412172 D01 Determining ERP and EIRP v01r01 Remark: 1. All test items were verified and recorded according to the standards and without any deviation during the test. 2. This EUT has also been tested and complied with the requirements of FCC Part 15, Subpart B, recorded in a separate test report. Sporton International (Kunshan) Inc. Page Number : 8 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 2 Test Configuration of Equipment Under Test 2.1 Test Mode Antenna port conducted and radiated test items were performed according to KDB 971168 D01 Power Meas. License Digital Systems v03r01 with maximum output power. Radiated measurements were performed with rotating EUT in different three orthogonal test planes to find the maximum emission. Radiated emissions were investigated as following frequency range: 1. 30 MHz to 10th harmonic for WCDMA Band IV. All modes and data rates and positions were investigated. Test modes are chosen to be reported as the worst case configuration below: Test Modes Band Radiated TCs Conducted TCs WCDMA Band IV  RMC 12.2Kbps Link  RMC 12.2Kbps Link 2.2 Connection Diagram of Test System System BT AP router Notebook GPS Station Simulator Earphone Power EUT Notebook Source Cradle Earphone iPod WLAN AP Monitor This example is connection diagram of EUT test configurations. . For detail, please refer to test mode configuration and setup photographs for each test item. Sporton International (Kunshan) Inc. Page Number : 9 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 2.3 Support Unit used in test configuration Item Equipment Trade Name Model No. FCC ID Data Cable Power Cord 1. System Simulator Anritsu MT8820C N/A N/A Unshielded, 1.8 m 2. DC Power Supply GW INSTEK GPS-3030D N/A N/A Unshielded, 1.8 m 2.4 Measurement Results Explanation Example For all conducted test items: The offset level is set in the spectrum analyzer to compensate the RF cable loss and attenuator factor between RF conducted output port and spectrum analyzer. With the offset compensation, the spectrum analyzer reading level will be exactly the RF output level. The spectrum analyzer offset is derived from RF cable loss and attenuator factor. Offset = RF cable loss + attenuator factor. The following shows an offset computation example with RF cable loss 5.4 dB and a 10dB attenuator. Example : Offset(dB) = RF cable loss(dB) + attenuator factor(dB). =5.4 + 10 = 15.4 (dB) 2.5 Frequency List of Low/Middle/High Channels Frequency List Band Channel/Frequency(MHz) Lowest Middle Highest WCDMA Channel 1312 1413 1513 Band IV Frequency 1712.4 1732.6 1752.6 Sporton International (Kunshan) Inc. Page Number : 10 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3 Conducted Test Result 3.1 Measuring Instruments See list of measuring instruments of this test report. 3.2 Test Setup 3.2.1 Conducted Output Power 3.2.2 Peak-to-Average Ratio, Occupied Bandwidth, Conducted Band-Edge and Conducted Spurious Emission 3.2.3 Frequency Stability 3.3 Test Result of Conducted Test Please refer to Appendix A. Sporton International (Kunshan) Inc. Page Number : 11 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3.4 Conducted Output Power and ERP/EIRP 3.4.1 Description of the Conducted Output Power and ERP/EIRP A system simulator was used to establish communication with the EUT. Its parameters were set to enforce EUT transmitting at the maximum power. The measured power in the radio frequency on the transmitter output terminals shall be reported. The EIRP of mobile transmitters must not exceed 1 Watts for WCDMA Band IV. According to KDB 412172 D01 Power Approach, EIRP = PT + GT – LC, ERP = EIRP -2.15, where PT = transmitter output power in dBm GT = gain of the transmitting antenna in dBi LC = signal attenuation in the connecting cable between the transmitter and antenna in dB 3.4.2 Test Procedures 1. The testing follows ANSI C63.26 Section 5.2 2. The transmitter output port was connected to the system simulator. 3. Set EUT at maximum power through the system simulator. 4. Select lowest, middle, and highest channels for each band and different modulation. 5. Measure and record the power level from the system simulator. Sporton International (Kunshan) Inc. Page Number : 12 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3.5 Peak-to-Average Ratio 3.5.1 Description of the PAR Measurement The peak-to-average ratio (PAR) of the transmission may not exceed 13 dB. 3.5.2 Test Procedures 1. The testing follows ANSI C63.26 Section 5.2.3.4 (CCDF). 2. The EUT was connected to spectrum and system simulator via a power divider. 3. Set the CCDF (Complementary Cumulative Distribution Function) option in spectrum analyzer. 4. The highest RF powers were measured and recorded the maximum PAPR level associated with a probability of 0.1 %. 5. Record the deviation as Peak to Average Ratio. Sporton International (Kunshan) Inc. Page Number : 13 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3.6 99% Occupied Bandwidth and 26dB Bandwidth Measurement 3.6.1 Description of 99% Occupied Bandwidth and 26dB Bandwidth Measurement The occupied bandwidth is the width of a frequency band such that, below the lower and above the upper frequency limits, the mean powers emitted are each equal to a specified percentage 0.5% of the total mean transmitted power. The 26 dB emission bandwidth is defined as the frequency range between two points, one above and one below the carrier frequency, at which the spectral density of the emission is attenuated 26 dB below the maximum in-band spectral density of the modulated signal. Spectral density (power per unit bandwidth) is to be measured with a detector of resolution bandwidth equal to approximately 1.0% of the emission bandwidth. 3.6.2 Test Procedures 1. The testing follows ANSI C63.26 Section 5.4 2. The EUT was connected to spectrum analyzer and system simulator via a power divider. 3. The spectrum analyzer center frequency is set to the nominal EUT channel center frequency. The span range for the spectrum analyzer shall be between two and five times the anticipated OBW. 4. The nominal resolution bandwidth (RBW) shall be in the range of 1 to 5 % of the anticipated OBW, and the VBW shall be at least 3 times the RBW. 5. Set the detection mode to peak, and the trace mode to max hold. 6. Determine the reference value: Set the EUT to transmit a modulated signal. Allow the trace to stabilize. Set the spectrum analyzer marker to the highest level of the displayed trace. (this is the reference value) 7. Determine the “-26 dB down amplitude” as equal to (Reference Value – X). 8. Place two markers, one at the lowest and the other at the highest frequency of the envelope of the spectral display such that each marker is at or slightly below the “–X dB down amplitude” determined in step 6. If a marker is below this “-X dB down amplitude” value it shall be placed as close as possible to this value. The OBW is the positive frequency difference between the two markers. 9. Use the 99 % power bandwidth function of the spectrum analyzer and report the measured bandwidth. Sporton International (Kunshan) Inc. Page Number : 14 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3.7 Conducted Band Edge 3.7.1 Description of Conducted Band Edge Measurement The power of any emission outside of the authorized operating frequency ranges must be lower than the transmitter power (P) by a factor of at least 43 + 10 log (P) dB. 3.7.2 Test Procedures 1. The testing follows ANSI C63.26 section 5.7 2. The EUT was connected to the spectrum analyzer and system simulator via a power divider. 3. The RF output of EUT was connected to the spectrum analyzer by an RF cable and attenuator. The path loss was compensated to the results for each measurement. 4. The band edges of low and high channels for the highest RF powers were measured. 5. The RF fundamental frequency should be excluded against the limit line in the operating frequency band. 6. The limit line is derived from 43 + 10log(P) dB below the transmitter power P(Watts) Sporton International (Kunshan) Inc. Page Number : 15 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3.8 Conducted Spurious Emission 3.8.1 Description of Conducted Spurious Emission Measurement The power of any emission outside of the authorized operating frequency ranges must be lower than the transmitter power (P) by a factor of at least 43 + 10 log (P) dB. It is measured by means of a calibrated spectrum analyzer and scanned from 30 MHz up to a frequency including its 10th harmonic. 3.8.2 Test Procedures 1. The testing follows ANSI C63.26 section 5.7 2. The EUT was connected to the spectrum analyzer and system simulator via a power divider. 3. The RF output of EUT was connected to the spectrum analyzer by an RF cable and attenuator. The path loss was compensated to the results for each measurement. 4. The middle channel for the highest RF power within the transmitting frequency was measured. 5. The conducted spurious emission for the whole frequency range was taken. 6. The RF fundamental frequency should be excluded against the limit line in the operating frequency band. 7. The limit line is derived from 43 + 10log(P) dB below the transmitter power P(Watts) Sporton International (Kunshan) Inc. Page Number : 16 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 3.9 Frequency Stability 3.9.1 Description of Frequency Stability Measurement The frequency stability shall be measured by variation of ambient temperature and variation of primary supply voltage to ensure that the fundamental emission stays within the authorized frequency block. The frequency stability of the transmitter shall be maintained within ±0.00025% (±2.5ppm) of the center frequency. 3.9.2 Test Procedures for Temperature Variation 1. The testing follows ANSI C63.26 section 5.6.4 2. The EUT was set up in the thermal chamber and connected with the system simulator. 3. With power OFF, the temperature was decreased to -30°C and the EUT was stabilized before testing. Power was applied and the maximum change in frequency was recorded within one minute. 4. With power OFF, the temperature was raised in 10°C step up to 50°C. The EUT was stabilized at each step for at least half an hour. Power was applied and the maximum frequency change was recorded within one minute. 3.9.3 Test Procedures for Voltage Variation 1. The testing follows ANSI C63.26 section 5.6.5 2. The EUT was placed in a temperature chamber at 20±5°C and connected with the system simulator. 3. The power supply voltage to the EUT was varied from 85% to 115% of the nominal value for other than hand carried battery equipment. 4. For hand carried, battery powered equipment, reduce the primary ac or dc supply voltage to the battery operating end point, which shall be specified by the manufacturer. 5. The variation in frequency was measured for the worst case. Sporton International (Kunshan) Inc. Page Number : 17 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 4 Radiated Test Items 4.1 Measuring Instruments See list of measuring instruments of this test report. 4.2 Test Setup 4.2.1 For radiated test from 30MHz to 1GHz 4.2.2 For radiated test above 1GHz 4.3 Test Result of Radiated Test Please refer to Appendix B. Sporton International (Kunshan) Inc. Page Number : 18 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 4.4 Field Strength of Spurious Radiation Measurement 4.4.1 Description of Field Strength of Spurious Radiated Measurement The power of any emission outside of the authorized operating frequency ranges must be attenuated below the transmitter power (P) by a factor of at least 43 + 10 log (P) dB. The spectrum is scanned from 30 MHz up to a frequency including its 10th harmonic. 4.4.2 Test Procedures 1. The testing follows ANSI C63.26 Section 5.5 2. The EUT was placed on a rotatable wooden table 0.8 meters for frequency below 1GHz and 1.5 meter for frequency above 1GHz above the ground. 3. The EUT was set 3 meters from the receiving antenna, which was mounted on the antenna tower. 4. The table was rotated 360 degrees to determine the position of the highest spurious emission. 5. The height of the receiving antenna is varied between one meter and four meters to search for the maximum spurious emission for both horizontal and vertical polarizations. 6. Make the measurement with the spectrum analyzer's RBW = 1MHz, VBW = 3MHz, taking record of maximum spurious emission. 7. A horn antenna was substituted in place of the EUT and was driven by a signal generator. 8. Tune the output power of signal generator to the same emission level with EUT maximum spurious emission. 9. Taking the record of output power at antenna port. 10. Repeat step 7 to step 8 for another polarization. 11. EIRP (dBm) = S.G. Power – Tx Cable Loss + Tx Antenna Gain 12. ERP (dBm) = EIRP - 2.15 13. The RF fundamental frequency should be excluded against the limit line in the operating frequency band. 14. The limit line is derived from 43 + 10log(P) dB below the transmitter power P(Watts) Sporton International (Kunshan) Inc. Page Number : 19 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 5 List of Measuring Equipment Calibration Instrument Manufacturer Model No. Serial No. Characteristics Test Date Due Date Remark Date Spectrum Conducted R&S FSV40 101040 10Hz~40GHz Aug. 07, 2018 Jun. 03, 2019 Aug. 06, 2019 Analyzer (TH01-KS) Thermal -40~+150°C Conducted Hongzhan LP-150U H2014011440 Jun. 27, 2018 Jun. 03, 2019 Jun. 26, 2019 Chamber 20%~95%RH (TH01-KS) EXA Spectrum Radiation Keysight N9010A MY55150208 10Hz-44GHz Oct. 10. 2018 Jun. 03, 2019 Oct. 09. 2019 Analyzer (03CH04-KS) Radiation Bilog Antenna TeseQ CBL6111D 44483 30MHz-1GHz Dec. 28, 2018 Jun. 03, 2019 Dec. 27, 2019 (03CH04-KS) Radiation Horn Antenna Schwarzbeck BBHA9120D 1648 1GHz~18GHz Jan. 27, 2019 Jun. 03, 2019 Jan. 26, 2020 (03CH04-KS) Radiation SHF-EHF Horn Com-power AH-840 101070 18GHz~40GHz Jan. 05, 2019 Jun. 03, 2019 Jan. 04, 2020 (03CH04-KS) 0.01MHz Radiation Amplifier Burgeon BPA-530 102219 Nov. 19, 2018 Jun. 03, 2019 Nov. 18, 2019 ~3000MHz (03CH04-KS) TTA1840-35 Radiation Amplifier MITEQ 2014749 18~40GHz Jan. 14, 2019 Jun. 03, 2019 Jan. 13, 2020 -HG (03CH04-KS) Radiation Amplifier Keysight 83017A MY53270319 500MHz~26.5GHz Oct. 12. 2018 Jun. 03, 2019 Oct. 11. 2019 (03CH04-KS) AC Power Radiation Chroma 61601 F104090004 N/A NCR Jun. 03, 2019 NCR Source (03CH04-KS) Radiation Turn Table ChamPro EM 1000-T 060762-T 0~360 degree NCR Jun. 03, 2019 NCR (03CH04-KS) Radiation Antenna Mast ChamPro EM 1000-A 060762-A 1 m~4 m NCR Jun. 03, 2019 NCR (03CH04-KS) NCR: No Calibration Required Sporton International (Kunshan) Inc. Page Number : 20 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 6 Uncertainty of Evaluation The measurement uncertainties shown below were calculated in accordance with the requirements of ANSI 63.26-2015. All the measurement uncertainty value were shown with a coverage K=2 to indicate 95% level of confidence. The measurement data show herein meets or exceeds the CISPR measurement uncertainty values specified in CISPR 16-4-2 and can be compared directly to specified limit to determine compliance. Uncertainty of Radiated Emission Measurement (30 MHz ~ 1000 MHz) Measuring Uncertainty for a Level of 3.3dB Confidence of 95% (U = 2Uc(y)) Uncertainty of Radiated Emission Measurement (1 GHz ~ 18 GHz) Measuring Uncertainty for a Level of 2.8dB Confidence of 95% (U = 2Uc(y)) Uncertainty of Radiated Emission Measurement (18 GHz ~ 40 GHz) Measuring Uncertainty for a Level of 2.8dB Confidence of 95% (U = 2Uc(y)) Sporton International (Kunshan) Inc. Page Number : 21 of 21 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Appendix A. Test Results of Conducted Test Conducted Output Power(Average power) Conducted Power (*Unit: dBm) Band WCDMA Band IV Channel 1312 1413 1513 Frequency 1712.4 1732.6 1752.6 AMR 12.2K 22.87 22.88 23.02 RMC 12.2K 22.89 22.89 23.03 HSDPA Subtest-1 21.93 22.06 21.90 HSDPA Subtest-2 21.94 22.02 21.91 HSDPA Subtest-3 21.44 21.54 21.43 HSDPA Subtest-4 21.44 21.54 21.42 DC-HSDPA Subtest-1 21.92 22.01 21.92 DC-HSDPA Subtest-2 21.85 22.08 21.88 DC-HSDPA Subtest-3 21.42 21.48 21.38 DC-HSDPA Subtest-4 21.38 21.36 21.45 HSUPA Subtest-1 21.44 21.88 21.42 HSUPA Subtest-2 20.95 20.52 20.84 HSUPA Subtest-3 20.63 20.53 20.57 HSUPA Subtest-4 20.85 20.88 20.87 HSUPA Subtest-5 22.00 21.90 21.90 Sporton International (Kunshan) Inc. Page Number : A1 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C EIRP WCDMA Band IV (GT - LC = -0.20 dB) 1312 1413 1513 Channel (Low) (Mid) (High) Frequency 1712.4 1732.6 1752.6 (MHz) Conducted Power (dBm) 22.89 22.89 23.03 Conducted Power (Watts) 0.1945 0.1945 0.2009 EIRP(dBm) 22.69 22.69 22.83 EIRP(Watts) 0.1858 0.1858 0.1919 Sporton International (Kunshan) Inc. Page Number : A2 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Peak-to-Average Ratio Mode WCDMA Band IV(dB) Limit: 13dB Mod. RMC 12.2Kbps Result Lowest CH 3.10 Middle CH 2.84 PASS Highest CH 2.67 Sporton International (Kunshan) Inc. Page Number : A3 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C WCDMA Band IV (RMC 12.2Kbps) Lowest Channel Middle Channel Highest Channel Sporton International (Kunshan) Inc. Page Number : A4 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C 26dB Bandwidth Mode WCDMA Band IV(MHz) Mod. RMC 12.2Kbps Lowest CH 4.705 Middle CH 4.725 Highest CH 4.725 Sporton International (Kunshan) Inc. Page Number : A5 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C WCDMA Band IV (RMC 12.2Kbps) Lowest Channel Middle Channel Highest Channel Sporton International (Kunshan) Inc. Page Number : A6 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Occupied Bandwidth Mode WCDMA Band IV(MHz) Mod. RMC 12.2Kbps Lowest CH 4.116 Middle CH 4.116 Highest CH 4.126 Sporton International (Kunshan) Inc. Page Number : A7 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C WCDMA Band IV (RMC 12.2Kbps) Lowest Channel Middle Channel Highest Channel Sporton International (Kunshan) Inc. Page Number : A8 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Conducted Band Edge WCDMA Band IV (RMC 12.2Kbps) Lowest Band Edge Highest Band Edge Sporton International (Kunshan) Inc. Page Number : A9 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Conducted Spurious Emission WCDMA Band IV (RMC 12.2Kbps) Lowest Channel Middle Channel Highest Channel Sporton International (Kunshan) Inc. Page Number : A10 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Frequency Stability WCDMA Band IV Limit Test Conditions Middle Channel (RMC 12.2Kbps) Note 2. Temperature (°C) Voltage (Volt) Deviation (ppm) Result 50 Normal Voltage 0.0069 40 Normal Voltage 0.0156 30 Normal Voltage 0.0017 20(Ref.) Normal Voltage 0.0000 10 Normal Voltage 0.0012 0 Normal Voltage 0.0058 0.0150 PASS -10 Normal Voltage -20 Normal Voltage 0.0167 -30 Normal Voltage 0.0092 20 Maximum Voltage 0.0092 20 Normal Voltage 0.0000 20 Battery End Point 0.0167 Note: 1. Normal Voltage = 3.85V ；Battery End Point (BEP) =3.4V；Maximum Voltage =4.4V 2. The frequency fundamental emissions stay within the authorized frequency block based on the frequency deviation measured is small. Sporton International (Kunshan) Inc. Page Number : A11 of A11 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0

FCC RF Test Report Report No. : FG931208-01C Appendix B. Test Results of Radiated Test Radiated Spurious Emission WCDMA Band IV(RMC) Over S.G. TX Cable TX Antenna Frequency EIRP Limit Polarization Channel Limit Power loss Gain ( MHz ) ( dBm ) ( dBm ) (H/V) ( dB ) ( dBm ) ( dB ) (dBi) 3465 -61.76 -13 -48.76 -72.50 2.604 13.34 H 5199 -57.75 -13 -44.75 -68.26 3.011 13.52 H 6936 -54.24 -13 -41.24 -64.44 3.271 13.47 H Middle 3465 -60.98 -13 -47.98 -71.72 2.604 13.34 V 5199 -57.62 -13 -44.62 -68.13 3.011 13.52 V 6936 -53.78 -13 -40.78 -63.98 3.271 13.47 V Remark: Spurious emissions within 30-1000MHz were found more than 20dB below limit line. Sporton International (Kunshan) Inc. Page Number : B1 of B1 TEL : +86-512-57900158 Report Issued Date : Jun. 06, 2019 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AFZZ-RMSC3EH Report Template No.: BU5-FG27 Version 2.0


Document Created: 2019-06-10 14:06:38
Document Modified: 2019-06-10 14:06:38
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