2AUCY-V2550Mobile Phone

Power reduction mechanism verification According to the May 2017 TCBC Workshop, Demonstration of proper functioning of the detection and triggering mechanisms is required to support the corresponding RF exposure conditions. The verification is through a base station simulator is used to establish a conducted RF connection and monitor output power under different operating conditions related to the power reduction mechanisms. Detail of power reduction mechanisms referring to Operational Description 1. Power Verification Procedure The power verification was performed according to the following procedure: 1. A base station simulator was used to establish a conducted RF connection and the output power was monitored. The power measurements were confirmed to be within expected tolerances for all states before and after a power reduction mechanism was triggered. 2. Step 1 was repeated for all relevant modes and frequency bands for the mechanism being investigated. 3. Steps 1 and 2 were repeated for all individual power reduction mechanisms and combinations thereof. For the combination cases, one mechanism was switched to a 'triggered' state at a time; powers were confirmed to be within tolerances after each additional mechanism was activated. General Note: 1. This device uses different Exposure Condition Index (ECI) to configure different time averaged power levels based on certain exposure scenarios as the following table: ECI Trigger Conditions Antenna No. Exposure conditions ECI2 Receiver on All ant Head Standalone ECI3 Receiver on+WLAN All ant Head Simultaneous ECI7 Receiver off/Sensor off ant 14 Sensor Trigger Distance -1mm Receiver off/Sensor off Body-worn/Extremity Standalone Receiver off/Sensor off ant 11/12/13/101/21 /22/23/24/25/41 Body-worn/Extremity Standalone ECI5 Receiver off/Sensor on ant 14 Body-worn/Extremity Standalone ECI8 Receiver off/Sensor on +WLAN ant 14 Body-worn/Extremity Simultaneous ECI10 Receiver off/Sensor off+WLAN ant 14 Body-worn/Extremity Simultaneous Receiver off/Sensor off+WLAN ant 11/12/13/101/21 /22/23/24/25/41 Body-worn/Extremity Simultaneous Hotspot on All ant Hotspot 2. Select the bands with the largest power reduction for power verification: a. Establish voice call and audio routed through the earpiece to monitor output power under head transmitting power states.  Tradition voice call for GSM/WCDMA, voice over IP CMRS operations for LTE/5G FR1  GSM1900 is set to GPRS 4TX slot, LTE Band 66 is set at ‘highest BW, 1RB, RB Offset = 0, QPSK’, WCDMA II is set AMR 12.2Kbps, 5G FR1 n78 is set at highest BW, 1RB, RB offset = 1. b. Establish data connection monitor hotspot power state.  GSM1900 is set to GPRS 4TX slot, LTE Band 7 is set at ‘highest BW, 1RB, RB Offset = 0, QPSK’, WCDMA II is set RMC 12.2Kbps, 5G FR1 n78 is set at highest BW, 1RB, RB offset = 1. c. Establish data connection monitor body worn power state.  LTE Band 7 is set at ‘highest BW, 1RB, RB Offset = 0, QPSK’ WCDMA IV is set RMC 12.2Kbps, 5G FR1 n41 is set at highest BW, 1RB, RB offset = 1.  Body Detect mechanism was performed for the in-hand and on a stationary object (placed on a table) 3. In this power validation purpose is to demonstrate of proper functioning of the detection and triggering mechanisms to support the corresponding RF exposure conditions. 4. Verification performed for one technology/Band to demonstrate that the power reduction applies for same technology/band and call origination. Appendix GReport No. : FA5O2827 Page:1/2 2. Verification output Power Results Head exposure conditions Ear acoustic output Status: OFF ON Power state WWAN ECI 7 WWAN ECI 2 Wireless technology Antenna Measured (dBm) Max. Tune-up (dBm) Measured (dBm) Max. Tune-up (dBm) GSM1900（4 Tx slots） Ant 14 28.03 29.00 20.65 21.80 WCDMA II Ant 14 24.37 25.00 17.04 18.00 LTE Band 66 Ant 12 22.46 23.80 19.79 21.00 n78 Ant 13 17.07 18.20 14.19 15.10 Hotspot exposure condition Hotspot output Status: OFF ON Power state WWAN ECI 7 WWAN ECI 10 Wireless technology Antenna Measured (dBm) Max. Tune-up (dBm) Measured (dBm) Max. Tune-up (dBm) GSM1900（4 Tx slots） Ant 14 28.03 29.00 22.95 24.00 WCDMA II Ant 14 24.37 25.00 21.12 22.00 LTE Band 7 Ant 14 24.14 25.00 18.98 20.00 n78 Ant 13 17.07 18.20 14.92 15.70 Body worn exposure condition Sensor output Status: OFF ON Power state WWAN ECI 7 WWAN ECI 5 Wireless technology Antenna Measured (dBm) Max. Tune-up (dBm) Measured (dBm) Max. Tune-up (dBm) WCDMA IV Ant 14 24.26 25.00 21.53 22.50 LTE Band 7 Ant 14 24.14 25.00 21.25 22.70 n41 Ant 14 25.92 26.80 19.91 20.80 Appendix GReport No. : FA5O2827 Page:2/2

1 Antenna Specification Brand vivo Model name V2550 data 2025/12/01 Software version PD2539F_EX_A_16.0.4.2.W3 0.V000L1 2 1、Test 1.1 VSWR test 1.1.1 VSWR 3 Picture one：VSWR 1.2 BT/wifi/GPS antenna Gain test BT /wifi/GPS antenna - Model name （P/N）： MT319 -Antenna Type : IFA -Antenna Manufacturer : Dongguan Jinzhou Plastic Products Co., Ltd. Manufacturer Address : Jiangbei Bubugao Road 319, Wusha Management District, Chang'an Town, Dongguan City, Guangdong Province Gain value is measured by Liao Shilong Gain Value is measured in active call & Antenna selection. Antenna gain is measured in ETS Chamber. Test Equipment list 4 Description Manufacturer Model Cal Due Passive test equipment Keysight E5071C 2025/5/6 1.2.1 test result Frequency (MHz) Gain (dBi) 1550 -4.1 1555 -3.7 1560 -3.5 1565 -3.2 1570 -3.0 1575 -2.8 1580 -2.8 1585 -2.6 1590 -2.7 1595 -2.6 1600 -2.6 1605 -2.6 1610 -2.6 1615 -2.6 1620 -2.7 1625 -2.9 1630 -3.1 1635 -3.4 1640 -3.6 1645 -3.7 1650 -3.9 2400 -3.0 2410 -2.7 2420 -2.5 2430 -2.3 2440 -2.0 2450 -1.8 2460 -1.5 2470 -1.26 2480 -1.3 2490 -1.7 2500 -2.2 5150 -0.3 5170 -0.2 5190 -0.1 5210 -0.1 5230 0.01 5 5250 0.06 5270 0.06 5290 0.20 5310 0.21 5330 0.2 5350 0.14 5370 0.15 5390 -0.05 5410 0.12 5430 -0.06 5450 -0.31 5470 0.02 5490 0.24 5510 0.29 5530 0.28 5550 0.39 5570 0.25 5590 0.21 5610 0.35 5630 0.24 5650 0.13 5670 0 5690 0.05 5710 -0.03 5730 -0.11 5750 -0.18 5770 -0.49 5790 -0.83 5810 -0.66 5830 -0.39 5850 -0.45 1.2.2 antenna radiation pattern GPS 1575MHz: 6 WIFI2.4G 2450MHz: WIFI5.8G 5790MHz: 7 2、NFC antenna 2.1 Antenna Type: Coil antenna 2.2 Antenna Dimension(mm): 48*26.5*0.21(L*W*H) 2.3Manufacturer: Kunshan Innowave Communication Technology Co., Ltd. 2.4 Manufacturer P/N：MT319

Sporton International Inc. (ShenZhen) Page Number : 1 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B FCC RF Test Report APPLICANT : vivo Mobile Communication Co., Ltd. EQUIPMENT : Mobile Phone BRAND NAME : vivo MODEL NAME : V2550 FCC ID : 2AUCY-V2550 STANDARD : FCC Part 15 Subpart C §15.247 CLASSIFICATION : (DTS) Digital Transmission System TEST DATE(S) : Dec. 08, 2025 ~ Dec. 30, 2025 We, Sporton International Inc. (Shenzhen), 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 test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International Inc. (Shenzhen), the test report shall not be reproduced except in full. Approved by: Fly Liang Sporton International Inc. (ShenZhen) 1/F, 2/F, Bldg 5, Shiling Industrial Zone, Xinwei Village, Xili, Nanshan, Shenzhen, 518055 People’s Republic of China Sporton International Inc. (ShenZhen) Page Number : 2 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B TABLE OF CONTENTS REVISION HISTORY .......................................................................................................................................... 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .......................................................................................................................... 5 1.1 Applicant ............................................................................................................................................ 5 1.2 Manufacturer ...................................................................................................................................... 5 1.3 Product Feature of Equipment Under Test ........................................................................................ 5 1.4 Product Specification of Equipment Under Test ................................................................................ 5 1.5 Modification of EUT ........................................................................................................................... 6 1.6 Testing Location ................................................................................................................................ 6 1.7 Test Software ..................................................................................................................................... 6 1.8 Applicable Standards ......................................................................................................................... 6 2 TEST CONFIGURATION OF EQUIPMENT UNDER TEST ........................................................................ 7 2.1 Carrier Frequency Channel ............................................................................................................... 7 2.2 Test Mode .......................................................................................................................................... 8 2.3 Connection Diagram of Test System ................................................................................................. 9 2.4 Support Unit used in test configuration and system ........................................................................ 10 2.5 EUT Operation Test Setup .............................................................................................................. 10 2.6 Measurement Results Explanation Example ................................................................................... 10 3 TEST RESULT .......................................................................................................................................... 11 3.1 6dB and 99% Bandwidth Measurement .......................................................................................... 11 3.2 Output Power Measurement ............................................................................................................ 24 3.3 Power Spectral Density Measurement ............................................................................................ 25 3.4 Conducted Band Edges and Spurious Emission Measurement ..................................................... 38 3.5 Radiated Band Edges and Spurious Emission Measurement ........................................................ 55 3.6 AC Conducted Emission Measurement........................................................................................... 59 3.7 Antenna Requirements .................................................................................................................... 61 4 LIST OF MEASURING EQUIPMENT ........................................................................................................ 62 5 MEASUREMENT UNCERTAINTY ............................................................................................................ 63 APPENDIX A. CONDUCTED TEST RESULTS APPENDIX B. AC CONDUCTED EMISSION TEST RESULT APPENDIX C. RADIATED SPURIOUS EMISSION APPENDIX D. DUTY CYCLE PLOTS APPENDIX E. SETUP PHOTOGRAPHS Sporton International Inc. (ShenZhen) Page Number : 3 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B REVISION HISTORY REPORT NO. VERSION DESCRIPTION ISSUED DATE FR5O2827B Rev. 01 Initial issue of report Jan. 14, 2026 Sporton International…

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Sporton International Inc. (ShenZhen) Page Number : 54 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B Conducted Spurious Emission Plot on Bluetooth LE 500Kbps GFSK Channel 39 Conducted Spurious Emission Plot on Bluetooth LE 500Kbps GFSK Channel 39 720510 720510 Sporton International Inc. (ShenZhen) Page Number : 55 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B 3.5 Radiated Band Edges and Spurious Emission Measurement 3.5.1 Limit of Radiated Band Edges and Spurious Emission In any 100 kHz bandwidth outside the intentional radiator frequency band, all harmonics/spurious must be at least 20 dB below the highest emission level within the authorized band. If the output power of this device was measured by spectrum analyzer, the attenuation under this paragraph shall be 30 dB instead of 20 dB. In addition, radiated emissions which fall in the restricted bands must also comply with the limits as below. Frequency (MHz) Field Strength (microvolts/meter) Measurement Distance (meters) 0.009 – 0.490 2400/F(kHz) 300 0.490 – 1.705 24000/F(kHz) 30 1.705 – 30.0 30 30 30 – 88 100 3 88 – 216 150 3 216 - 960 200 3 Above 960 500 3 3.5.2 Measuring Instruments The section 4.0 of List of Measuring Equipment of this test report is used for test. Sporton International Inc. (ShenZhen) Page Number : 56 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B 3.5.3 Test Procedures 1. The testing follows ANSI C63.10-2020 clause 6.3, 6.5, 6.6, 11.11 and 11.12. 2. The EUT was arranged to its worst case and then tune the antenna tower (from 1 m to 4 m) and turntable (from 0 degree to 360 degrees) to find the maximum reading. A pre-amp and a high pass filter are used for the test in order to get better signal level. 3. The EUT was placed on a turntable with 0.8 meter for frequency below 1GHz and 1.5 meter for frequency above 1GHz respectively above ground. 4. The EUT was set 3 meters from the interference receiving antenna, which was mounted on the top of a variable height antenna tower. 5. Corrected Reading: Antenna Factor + Cable Loss + Read Level - Preamp Factor = Level 6. For testing below 1GHz, if the emission level of the EUT in peak mode was 3 dB lower than the limit specified, then peak values of EUT will be reported, otherwise, the emissions will be repeated one by one using the CISPR quasi-peak method and reported. 7. For testing above 1GHz, the emission level of the EUT in peak mode was 20dB lower than peak limit (that means the emission level in average mode also complies with the limit in average mode), then peak values of EUT will be reported, otherwise, the emissions will be measured in average mode again and reported. 8. Use the following spectrum analyzer settings: (1) Span shall wide enough to fully capture the emission being measured; (2) Set RBW=100 kHz for f < 1 GHz; VBW  RBW; Sweep = auto; Detector function = peak; Trace = max hold; (3) Set RBW = 1 MHz, VBW= 3MHz for f  1 GHz for peak measurement. For average measurement: • VBW = 10 Hz, when duty cycle is no less than 98 percent. • VBW ≥ 1/T, when duty cycle is less than 98 percent where T is the minimum transmission duration over which the transmitter is on and is transmitting at its maximum power control level for the tested mode of operation. Sporton International Inc. (ShenZhen) Page Number : 57 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B 3.5.4 Test Setup For radiated emissions below 30MHz For radiated emissions from 30MHz to 1GHz For radiated emissions above 1GHz Sporton International Inc. (ShenZhen) Page Number : 58 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B 3.5.5 Test Results of Radiated Spurious Emissions (9 kHz ~ 30 MHz) The low frequency, which started from 9 kHz to 30MHz, was pre-scanned and the result which was 20dB lower than the limit line was not reported. There is a comparison data of both open-field test site and semi-Anechoic chamber, and the result came out very similar. 3.5.6 Test Result of Radiated Spurious at Band Edges Please refer to Appendix C. 3.5.7 Duty Cycle Please refer to Appendix D. 3.5.8 Test Result of Radiated Spurious Emission (30MHz ~ 10th Harmonic or 40GHz, whichever is lower) Please refer to Appendix C. Sporton International Inc. (ShenZhen) Page Number : 59 of 63 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR5O2827B 3.6 AC Conducted Emission Measurement 3.6.1 Limit of AC Conducted Emission For equipment that is designed to be connected to the public utility (AC) power line, the radio frequency voltage that is conducted back onto the AC power line on any frequency or frequencies within the band 150 kHz to 30 MHz shall not exceed the limits in the following table. Frequency of emission (MHz) Conducted limit (dBμV) Quasi-peak Average 0.15-0.5 66 to 56* 56 to 46* 0.5-5 56 46 5-30 60 50 *Decreases with the logarithm of the frequency. 3.6.2 Measuring Instruments The section 4.0 of List of Measuring Equipment of this test report is used for test. 3.6.3 Test Procedures 1. The EUT was placed …

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Sporton International Inc. (ShenZhen) Page Number : 1 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C FCC RF Test Report APPLICANT : vivo Mobile Communication Co., Ltd. EQUIPMENT : Mobile Phone BRAND NAME : vivo MODEL NAME : V2550 FCC ID : 2AUCY-V2550 STANDARD : FCC Part 15 Subpart C §15.247 CLASSIFICATION : (DTS) Digital Transmission System TEST DATE(S) : Dec. 08, 2025 ~ Jan. 06, 2026 We, Sporton International Inc. (Shenzhen), 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 test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International Inc. (Shenzhen), the test report shall not be reproduced except in full. Approved by: Fly Liang Sporton International Inc. (ShenZhen) 1/F, 2/F, Bldg 5, Shiling Industrial Zone, Xinwei Village, Xili, Nanshan, Shenzhen, 518055 People’s Republic of China Sporton International Inc. (ShenZhen) Page Number : 2 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C TABLE OF CONTENTS REVISION HISTORY .......................................................................................................................................... 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .......................................................................................................................... 5 1.1 Applicant ............................................................................................................................................ 5 1.2 Manufacturer ...................................................................................................................................... 5 1.3 Product Feature of Equipment Under Test ........................................................................................ 5 1.4 Product Specification of Equipment Under Test ................................................................................ 6 1.5 Modification of EUT ........................................................................................................................... 6 1.6 Testing Location ................................................................................................................................ 7 1.7 Test Software ..................................................................................................................................... 7 1.8 Applicable Standards ......................................................................................................................... 7 2 TEST CONFIGURATION OF EQUIPMENT UNDER TEST ........................................................................ 8 2.1 Carrier Frequency and Channel ........................................................................................................ 8 2.2 Test Mode .......................................................................................................................................... 8 2.3 Connection Diagram of Test System ................................................................................................. 9 2.4 Support Unit used in test configuration and system ........................................................................ 10 2.5 EUT Operation Test Setup .............................................................................................................. 10 2.6 Measurement Results Explanation Example ................................................................................... 11 3 TEST RESULT ........................................................................................................................................... 12 3.1 6dB and 99% Bandwidth Measurement .......................................................................................... 12 3.2 Output Power Measurement ............................................................................................................ 14 3.3 Power Spectral Density Measurement ............................................................................................ 15 3.4 Conducted Band Edges and Spurious Emission Measurement ..................................................... 17 3.5 Radiated Band Edges and Spurious Emission Measurement ........................................................ 44 3.6 AC Conducted Emission Measurement........................................................................................... 48 3.7 Antenna Requirements .................................................................................................................... 50 4 LIST OF MEASURING EQUIPMENT ........................................................................................................ 51 5 MEASUREMENT UNCERTAINTY ............................................................................................................ 52 APPENDIX A. CONDUCTED TEST RESULTS APPENDIX B. AC CONDUCTED EMISSION TEST RESULT APPENDIX C. RADIATED SPURIOUS EMISSION APPENDIX D. DUTY CYCLE PLOTS APPENDIX E. SETUP PHOTOGRAPHS Sporton International Inc. (ShenZhen) Page Number : 3 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C REVISION HISTORY REPORT NO. VERSION DESCRIPTION ISSUED DATE FR5O2827C Rev. 01 Initial issue of report Jan. 14, 2026 Sporton Intern…

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Sporton International Inc. (ShenZhen) Page Number : 48 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C 3.6 AC Conducted Emission Measurement 3.6.1 Limit of AC Conducted Emission For equipment that is designed to be connected to the public utility (AC) power line, the radio frequency voltage that is conducted back onto the AC power line on any frequency or frequencies within the band 150 kHz to 30 MHz shall not exceed the limits in the following table. Frequency of Emission (MHz) Conducted Limit (dBμV) Quasi-Peak Average 0.15-0.5 66 to 56* 56 to 46* 0.5-5 56 46 5-30 60 50 *Decreases with the logarithm of the frequency. 3.6.2 Measuring Instruments The measuring equipment is listed in the section 4 of this test report. 3.6.3 Test Procedures 1. The EUT was placed 0.4 meter from the conducting wall of the shielding room, and it was kept at least 80 centimeters from any other grounded conducting surface. 2. Connect EUT to the power mains through a line impedance stabilization network (LISN). 3. All the support units are connecting to the other LISN. 4. The LISN provides 50 ohm coupling impedance for the measuring instrument. 5. The FCC states that a 50 ohm, 50 microhenry LISN should be used. 6. Both sides of AC line were checked for maximum conducted interference. 7. The frequency range from 150 kHz to 30 MHz was searched. 8. Set the test-receiver system to Peak Detect Function and specified bandwidth (IF bandwidth = 9kHz) with Maximum Hold Mode. Sporton International Inc. (ShenZhen) Page Number : 49 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C 3.6.4 Test Setup 3.6.5 Test Result of AC Conducted Emission Please refer to Appendix B. Sporton International Inc. (ShenZhen) Page Number : 50 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C 3.7 Antenna Requirements 3.7.1 Standard Applicable If directional gain of transmitting Antennas is greater than 6dBi, the power shall be reduced by the same level in dB comparing to gain minus 6dBi. The use of a permanently attached Antenna or of an Antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the rule. 3.7.2 Antenna Anti-Replacement Construction An embedded-in antenna design is used. 3.7.3 Antenna Gain The antenna peak gain of EUT is less than 6 dBi. Therefore, it is not necessary to reduce maximum peak output power limit. Sporton International Inc. (ShenZhen) Page Number : 51 of 52 TEL : +86-755-8637-9589 Report Issued Date : Jan. 14, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 01 FCC ID: 2AUCY-V2550 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR5O2827C 4 List of Measuring Equipment Instrument Manufacturer Model No. Serial No. Characteristics Calibration Date Test Date Due Date Remark Spectrum Analyzer R&S FSV40 101078 10Hz~40GHz Apr. 02, 2025 Dec. 23, 2025~ Jan. 06, 2026 Apr. 01, 2026 Conducted (TH01-SZ) Pulse Power Senor Anritsu MA2411B 1339473 30MHz~40GHz Dec. 25, 2024 Dec. 23, 2025~ Jan. 06, 2026 Dec. 24, 2025 Conducted (TH01-SZ) Pulse Power Senor Anritsu MA2411B 1339473 30MHz~40GHz Dec. 24, 2025 Dec. 23, 2026 Conducted (TH01-SZ) Power Meter Anritsu ML2495A 1218010 50MHz Bandwidth Oct. 14, 2025 Dec. 23, 2025~ Jan. 06, 2026 Oct. 13, 2026 Conducted (TH01-SZ) EMI Receiver R&S ESR7 102297 9kHz~7GHz; Jul. 03, 2025 Dec. 08, 2025 Jul. 02, 2026 Conduction (CO02-SZ) AC LISN R&S ENV216 101499 9kHz~30MHz Jul. 03, 2025 Dec. 08, 2025 Jul. 02, 2026 Conduction (CO02-SZ) AC Power Source CHROMA 61601 616010002 470 100Vac~250Vac Dec.25, 2024 Dec. 08, 2025 Dec. 24, 2025 Conduction (CO02-SZ) EMI Test Receiver R&S ESR7 101404 9kHz~7GHz Oct. 15, 2025 Dec. 26, 2025~ Dec. 29, 2025 Oct. 14, 2026 Radiation (03CH04-SZ) EXA Spectrum Analyzer KEYSIGHT N9010A MY551502 13 10Hz~44GHz Jul. 03, 2025 Dec. 26, 2025~ Dec. 29, 2025 Jul. 02, 2026 Radiation (03CH04-SZ) Loop Antenna R&S HFH2-Z2E 101141 9kHz~30MHz Dec. 25, 2025 Dec. 26, 2025~ Dec. 29, 2025 Dec. 24, 2026 Radiation (03CH04-SZ) Bilog Antenna TeseQ CBL6111D 41909 30MHz~1GHz Apr. 21, 2025 Dec. 26, 2025~ Dec. 29, 2025 Apr. 20, 2026 Radiation (03CH04-SZ) Double Ridge Guide Antenna ETS-Lindgren Burgeon-3117 00240057 1GHz~18GHz Jun. 26, 2025 Dec. 26, 2025~ Dec. 29, 2025 Jun. 25, 2026 Radiation (03CH04-SZ) Horn Antenna SCHWARZBE CK BBHA9170 9170#679 15GHz~40GHz Jul. 04, 2025 Dec. 26, 2025~ Dec. 29, 2025 Jul. 03, 2026 Radiation (03CH04-SZ) LF Amplifier EM Electronics EM330 060773 20MHz-3GHz Apr. 02, 2025 Dec. 26, 2025~ Dec. 29, 2025 Apr. 01, 2026 Radiation (03CH04-SZ) HF Amplifier MITEQ AMF-7D-0010 1800-30-10P- R 1943528 1GHz~18GHz Oct. 13, 2025 Dec. 26, 2025~ Dec. 29, 2025 Oct. 12, 2026 Radiation (03CH04-SZ) HF Amplifier MITEQ TTA1840-35- HG 1871923 18GHz~40GHz Jul. 02, 2025 Dec. 26, 2025~ Dec. 29, 2025 Jul. 01, 2026 Radiation (03CH04-SZ) Amplifier Agilent Technologies 83017A MY572801 36 500MHz~26.5G Hz Jul. 03, 2025 Dec. 26, 2025~ Dec. 29, 2025 Jul. 02, 2026 Radiation (03CH04-SZ) AC Power Source APC AFV-S-600B F11905001 9 N/A Oct. 14, 2025 Dec. 26, 2025~ Dec. 29, 2025 Oct. 13, 2026 Radiation (03CH04-SZ) Turn Table EM EM1000 N/A 0~360 degree NCR Dec. 26, 2025~ Dec. 29, 2025 NCR Radiation (03C…

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