2AOH401MIC04Accsoon CoMo II

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Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. ShenZhen STS Test Services Co.,Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +8 6-755 3688 6277 E-mail:[email protected] S T L A B S SAR Dipole Performance Measurement Report EUT Type： SAR Validation Dipole and Waveguide Model Name ： DIP1G900 Brand Name: SAT I MO Test Conclusion ： Pass Test Date ： 11 Dec. 2024&03 Jul. 2025 Date of Issue ： 03 Jul. 2025 Testing Engineer : (Xin.Liu) Technical Manager : (Shifan. Long) Authorized Signatory : (Bovey Yang) ISSUED BY Shenzhen STS Test Services Co., Ltd. Kind of Equipment Manufacturer Type No. Serial No. Last Calibration Calibrated Until PC Acer N/A N/A N/A N/A E-Field Probe MVG SSE2 SN 08/21 EPGO352 2024.09.18 2025.09.17 Dielectric Probe Kit MVG SCLMP SN 32/14 OCPG67 2024.09.18 2025.09.17 Phantom1 MVG SAM SN 32/14 SAM115 N/A N/A Phantom2 MVG SAM SN 32/14 SAM116 N/A N/A Attenuator Agilent 99899 DC-18GHz N/A N/A Directional coupler Narda 4226-20 3305 N/A N/A Network Analyzer Agilent E5071C MY46520378 2024-09-25 2025-09-26 Multi Meter Keithley Multi Meter 2000 4050073 2024-09-25 2025-09-26 Signal Generator Agilent N5182A MY50140530 2024-09-25 2025-09-26 Power Amplifier DESAY ZHL-42W 9638 2024-09-25 2025-09-26 Power Meter R&S NRP 100510 2024-09-25 2025-09-26 Power Sensor R&S NRP-Z11 101919 2024-09-25 2025-09-26 Power Sensor Keysight U2021XA MY56280002 2024-09-25 2025-09-26 Temperature hygrometer SuWei SW-108 N/A 2024.10.15 2025.10.14 Thermograph Elitech RC-4 S/N EF7176501537 2024.10.15 2025.10.14 ISSUED BY Shenzhen STS Test Services Co., Ltd. 2. <Justification of the extended calibration> Referring to KDB 865664 D01, if dipoles are verified in return loss<-20dB, (within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Head 1900 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2023.09-14 -23.66 - 51.4 - 2024.07.01 -23.62 -0.17 50.73 -1.30 2025.07.03 -23.89 0.96 50.62 -1.52 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Head 1900 MHz

Page 1 of 1 FCC ID: 2AOH401MIC04 Setup photo RE (Below 1GHz) RE (Above 1GHz)

2AOH401MIC04_SAR Setup photos Outside Inside

Any reproduction of this document must be done in full. No single part of this document may be repro- duced without permission from STS, all test data presented in this report is only applicable to presented test sample. Radio Test Report Report No.:STS2510080W04 Issued for Chengdu Accsoon Technology Co., LTD. Rm. 708, Bld. 1, Xiongchuan Center, No.166, Tianfu 2nd St., High-tech Zone, Chengdu, 610000, China Product Name: Accsoon CoMo II Brand Name: Accsoon Model Name: MIC04 Series Model(s): MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6R, MIC04-1H8R FCC ID: 2AOH401MIC04 Test Standards: Title 47 of the CFR, Part 15 Subpart D Page 2 of 60 Report No.: STS2510080W04 TEST RESULT Applicant’s Name ................. : Chengdu Accsoon Technology Co., LTD. Address ................................. : Rm. 708, Bld. 1, Xiongchuan Center, No.166, Tianfu 2nd St., High- tech Zone, Chengdu, 610000, China Manufacturer's Name ........... : Shenzhen Accsoon Technology Co., LTD. Address ................................. : Room 302, Building D, No. 73, Guanlan Avenue, Xinhe Community, Fucheng Subdistrict, Longhua District, Shenzhen City, Guangdong Province, China Product Description Product Name ........................ : Accsoon CoMo II Brand Name ......................... : Accsoon Model Name .......................... : MIC04 Series Model .......................... : MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6R, MIC04-1H8R Test Standards ..................... : Title 47 of the CFR, Part 15. Subpart D Test procedure ....................... : ANSI C63.17-2013 This device described above has been tested by STS and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ........................................... : Date of receipt of test item ...................... : 17 Oct. 2025 Date of performance of tests .................. : 17 Oct. 2025~05 Jan. 2026 Date of Issue .......................................... : 05 Jan. 2026 Test Result .............................................. : Pass Testing Engineer : (Lenon Hou) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 60 Report No.: STS2510080W04 TABLE OF CONTENTS Page 1 INTRODUCTION 7 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2 PRODUCT INFORMATION 8 3 TEST CONFIGURATION OF EQUIPMENT UNDER TEST 9 3.1 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 9 3.2 SYSTEM TEST CONFIGURATION 10 4 MEASUREMENT INSTRUMENTS 11 5 TEST ITEMS 12 5.1 ANTENNA REQUIREMENT 12 5.2 MODULATION TECHNIQUES 12 5.3 EMISSION BANDWIDTH 13 5.4 PEAK TRANSMIT POWER 16 5.5 POWER SPECTRAL DENSITY 19 5.6 POWER ADJUSTMENT FOR ANTENNA GAIN 22 5.7 AUTOMATICALLY DISCONTINUE TRANSMISSION 23 5.8 SYSTEM ACKNOWLEDGE-MENT TEST 24 5.9 MONITORING THRESHOLD 25 5.10 DURATION OF TRANSMISSION 26 5.11 SELECTED CHANNEL CONFIRMATION, POWER ACCURACY, SEGMENT OCCUPANCY 27 5.12 RANDOM WAITING 29 5.13 MONITORING REQUIREMENTS 30 5.14 MONITORING ANTENNA 31 5.15 DUPLEX CONNECTIONS 31 5.16 ALTERNATIVE MONITORING INTERVAL FOR CO-LOCATED DEVICES 32 5.17 FAIR ACCESS 32 5.18 SPURIOUS EMISSIONS 33 5.19 FRAME PERIOD 41 5.20 FREQUENCY STABILITY 42 5.21 CONDUCTED EMISSION MEASUREMENT 44 5.22 RADIATED SPURIOUS EMISSION 47 Page 4 of 60 Report No.: STS2510080W04 Revision History Rev. Issue Date Report No. Effect Page Contents 00 05 Jan. 2026 STS2510080W04 ALL Initial Issue Page 5 of 60 Report No.: STS2510080W04 SUMMARY OF TEST RESULTS Test procedures according to the technical standards: The following tests were conducted on a sample of the equipment for the purpose of demonstrating com- pliance with Part 15 Subpart D. Requirement FCC Part Test Procedure Result Emission Bandwidth 15.323 (a) 6.1.3 Compliant Labeling Requirements 15.19(a)(3) -- Compliant Conducted Emissions 15.315 & 15.207 ANSI C63.4 Not Applicable Antenna Requirements 15.317 & 15.203 Declaration Compliant Use digital modulation 15.319 (b) 6.1.4 Compliant Peak transmit power 15.319 (c) 6.1.2 Compliant Power spectral density 15.319 (d) 6.1.5 Compliant Power adjustment for an- tenna gain 15.319 (e) 4.3.1 Compliant Automatically dis- continue transmis- sion 15.319 (f) -- Compliant Spurious emissions conducted 15.323 (d) (1) & 15.323 (d) (2) 6.1.6 Compliant RF Exposure 15.319 (i) & 1.1307(b), 2.1091 and 2.1093 ANSI/IEEE C95.1 Compliant (The test data please refer to RF exposure report) Monitoring time 15.323 (c)(1) 7.3.4 Compliant Monitoring thresh- old 15.323 (c)(2) 7.3 Compliant Duration of transmission 15.323 (c)(3) 8.2.2 Compliant System acknowledgment test 15.323(c)(4) 8.2.1 Compliant Channel confirmation, Power accuracy, Segment occupancy 15.323 (c)(5) 7.3.3 & 7.3.4 Compliant Random waiting 15.323 (c)(6) 8.1.3 Not Applicable Monitoring bandwidth 15.323 (c)(7) 7.4 Compliant Page 6 of 60 Report No.: STS2510080W04 Monitoring reaction time 15.323 (c)(1 ) 7.5 Compliant Monitoring antenna 15.323 (c)(8) 4 Compliant Monitoring thresh- old relaxation 15.323 (c)(9) 4 Compliant Duplex connections 15.323 (c)(10) 8.3 Not Applicable Alternate monitoring interval 15.323 (c)(11) 8.4 Not Applicable Fair access 15.323 (c)(12) Declaration Not Applicable Frame period 15.323 (e) 6.2.2 & 6.2.3 Compliant Frequency stability 15.323 (f) 6.2.1 Compliant Radiated Out of Band Emissions 15.319 (g), 15.309 (b) & FCC Part 15 Subpart B, 15.109 and 15.209 -- Compliant Page 7 of 60 Report No.: STS2510080W04 1 INTRODUCTION 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certific…

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Any reproduction of this document must be done in full. No single part of this document may be repro- duced without permission from STS, all test data presented in this report is only applicable to presented test sample. Radio Test Report Report No.:STS2510080W03 Issued for Chengdu Accsoon Technology Co., LTD. Rm. 708, Bld. 1, Xiongchuan Center, No.166, Tianfu 2nd St., High-tech Zone, Chengdu, 610000, China Product Name: Accsoon CoMo II Brand Name: Accsoon Model Name: MIC04 Series Model(s): MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6R, MIC04-1H8R FCC ID: 2AOH401MIC04 Test Standards: Title 47 of the CFR, Part 15 Subpart D Page 2 of 59 Report No.: STS2510080W03 TEST RESULT Applicant’s Name ................. : Chengdu Accsoon Technology Co., LTD. Address ................................. : Rm. 708, Bld. 1, Xiongchuan Center, No.166, Tianfu 2nd St., High- tech Zone, Chengdu, 610000, China Manufacturer's Name ........... : Shenzhen Accsoon Technology Co., LTD. Address ................................. : Room 302, Building D, No. 73, Guanlan Avenue, Xinhe Community, Fucheng Subdistrict, Longhua District, Shenzhen City, Guangdong Province, China Product Description Product Name ........................ : Accsoon CoMo II Brand Name ......................... : Accsoon Model Name .......................... : MIC04 Series Model .......................... : MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6, MIC04-1H8R Test Standards ..................... : Title 47 of the CFR, Part 15. Subpart D Test procedure ........................ : ANSI C63.17-2013 This device described above has been tested by STS and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ........................................... : Date of receipt of test item ...................... : 17 Oct. 2025 Date of performance of tests .................. : 17 Oct. 2025~05 Jan. 2026 Date of Issue .......................................... : 05 Jan. 2026 Test Result .............................................. : Pass Testing Engineer : (Lenon Hou) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 59 Report No.: STS2510080W03 TABLE OF CONTENTS Page 1 INTRODUCTION 7 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2 PRODUCT INFORMATION 8 3 TEST CONFIGURATION OF EQUIPMENT UNDER TEST 9 3.1 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 9 3.2 SYSTEM TEST CONFIGURATION 10 4 MEASUREMENT INSTRUMENTS 11 5 TEST ITEMS 12 5.1 ANTENNA REQUIREMENT 12 5.2 MODULATION TECHNIQUES 12 5.3 EMISSION BANDWIDTH 13 5.4 PEAK TRANSMIT POWER 16 5.5 POWER SPECTRAL DENSITY 19 5.6 POWER ADJUSTMENT FOR ANTENNA GAIN 22 5.7 AUTOMATICALLY DISCONTINUE TRANSMISSION 23 5.8 SYSTEM ACKNOWLEDGE-MENT TEST 24 5.9 MONITORING THRESHOLD 25 5.10 DURATION OF TRANSMISSION 26 5.11 SELECTED CHANNEL CONFIRMATION, POWER ACCURACY, SEGMENT OCCUPANCY 27 5.12 RANDOM WAITING 29 5.13 MONITORING REQUIREMENTS 30 5.14 MONITORING ANTENNA 31 5.15 DUPLEX CONNECTIONS 31 5.16 ALTERNATIVE MONITORING INTERVAL FOR CO-LOCATED DEVICES 32 5.17 FAIR ACCESS 32 5.18 SPURIOUS EMISSIONS 33 5.19 FRAME PERIOD 41 5.20 FREQUENCY STABILITY 42 5.21 CONDUCTED EMISSION MEASUREMENT 44 5.22 RADIATED SPURIOUS EMISSION 47 Page 4 of 59 Report No.: STS2510080W03 Revision History Rev. Issue Date Report No. Effect Page Contents 00 05 Jan. 2026 STS2510080W03 ALL Initial Issue Page 5 of 59 Report No.: STS2510080W03 SUMMARY OF TEST RESULTS Test procedures according to the technical standards: The following tests were conducted on a sample of the equipment for the purpose of demonstrating com- pliance with Part 15 Subpart D. Requirement FCC Part Test Procedure Result Emission Bandwidth 15.323 (a) 6.1.3 Compliant Labeling Requirements 15.19(a)(3) -- Compliant Conducted Emissions 15.315 & 15.207 ANSI C63.4 Not Applicable Antenna Requirements 15.317 & 15.203 Declaration Compliant Use digital modulation 15.319 (b) 6.1.4 Compliant Peak transmit power 15.319 (c) 6.1.2 Compliant Power spectral density 15.319 (d) 6.1.5 Compliant Power adjustment for an- tenna gain 15.319 (e) 4.3.1 Compliant Automatically dis- continue transmis- sion 15.319 (f) -- Compliant Spurious emissions conducted 15.323 (d) (1) & 15.323 (d) (2) 6.1.6 Compliant RF Exposure 15.319 (i) & 1.1307(b), 2.1091 and 2.1093 ANSI/IEEE C95.1 Compliant (The test data please refer to RF exposure report) Monitoring time 15.323 (c)(1) 7.3.4 Compliant Monitoring thresh- old 15.323 (c)(2) 7.3 Compliant Duration of transmission 15.323 (c)(3) 8.2.2 Not Applicable System acknowledgment test 15.323(c)(4) 8.2.1 Compliant Channel confirmation, Power accuracy, Segment occupancy 15.323 (c)(5) 7.3.3 & 7.3.4 Compliant Random waiting 15.323 (c)(6) 8.1.3 Not Applicable Monitoring bandwidth 15.323 (c)(7) 7.4 Compliant Page 6 of 59 Report No.: STS2510080W03 Monitoring reaction time 15.323 (c)(1 ) 7.5 Compliant Monitoring antenna 15.323 (c)(8) 4 Compliant Monitoring thresh- old relaxation 15.323 (c)(9) 4 Compliant Duplex connections 15.323 (c)(10) 8.3 Not Applicable Alternate monitoring interval 15.323 (c)(11) 8.4 Not Applicable Fair access 15.323 (c)(12) Declaration Not Applicable Frame period 15.323 (e) 6.2.2 & 6.2.3 Compliant Frequency stability 15.323 (f) 6.2.1 Compliant Radiated Out of Band Emissions 15.319 (g), 15.309 (b) & FCC Part 15 Subpart B, 15.109 and 15.209 -- Compliant Page 7 of 59 Report No.: STS2510080W03 1 INTRODUCTION 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Cer…

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Accsoon MIC04 FS-MIC04-19GHz-766-K-AA FS-MIC04-19GHz-766-K-AA FS-MIC04-19GHz-766-K-AA FS-MIC04-19GHz-766-K-AA Antenna photo

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. SAR Test Report Report No.: STS2510080H04 Issued for Chengdu Accsoon Technology Co., LTD. Rm. 708, Bld. 1, Xiongchuan Center, No.166, Tianfu 2nd St., High-tech Zone, Chengdu, 610000, China Product Name: Accsoon CoMo II Brand Name: Accsoon Model Name: MIC04 Series Model(s): MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6R, MIC04-1H8R FCC ID: 2AOH401MIC04 Test Standard: ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 Max. Report SAR (1g) Body:0.044 W/kg Page 2 of 35 Report No.: STS2510080H04 TEST REPORT CERTIFICATION Applicant’s name ................. : Chengdu Accsoon Technology Co., LTD. Address ................................. : Rm. 708, Bld. 1, Xiongchuan Center, No.166, Tianfu 2nd St., High-tech Zone, Chengdu, 610000, China Manufacturer's Name .......... : Shenzhen Accsoon Technology Co., LTD. Address ................................. : Room 302, Building D, No. 73, Guanlan Avenue, Xinhe Community, Fucheng Subdistrict, Longhua District, Shenzhen City, Guangdong Province, China Product description Product name ........................ : Accsoon CoMo II Brand name ......................... : Accsoon Model name ......................... : MIC04 Series Model .......................... : MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6R, MIC04-1H8R Standards ............................. : ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 The device was tested by Shenzhen STS Test Services Co., Ltd. in accordance with the measurement methods and procedures specified in KDB 865664 The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. Date of Test ........................................... : Date (s) of performance of tests ............. : 09 Dec. 2025 Date of Issue .......................................... : 15 Jan. 2026 Test Result.............................................. : Pass Testing Engineer : (Xin.Liu) Technical Manager : (Shifan. Long) Authorized Signatory : (Bovey Yang) Page 3 of 35 Report No.: STS2510080H04 Table of Contents 1. General Information 5 1.1 EUT Description 5 1.2 Test Environment 6 1.3 Test Factory 6 2. Test Standards and Limits 7 3. SAR Measurement System 8 3.1 Definition of Specific Absorption Rate (SAR) 8 3.2 SAR System 8 4. Tissue Simulating Liquids 11 4.1 Simulating Liquids Parameter Check 11 5. SAR System Validation 14 5.1 Validation System 14 5.2 Validation Result 15 6. SAR Evaluation Procedures 16 7. EUT Test Position 17 7.1Body-worn Position Conditions: 17 8. Uncertainty 18 8.1 Measurement Uncertainty 18 9. Conducted Power Measurement 21 9.1 Test Result 21 10. EUT and Test Setup Photo 22 10.1 EUT Photo 22 10.2 Setup Photos 25 11. SAR Result Summary 27 11.1 Body-worn SAR 27 12. Equipment List 28 Appendix A. System Validation Plots 29 Appendix B. SAR Test Plots 31 Appendix C. Probe Calibration and Dipole Calibration Report 35 Page 4 of 35 Report No.: STS2510080H04 Revision History Rev. Issue Date Report No. Effect Page Contents 00 15 Jan. 2026 STS2510080H04 ALL Initial Issue Page 5 of 35 Report No.: STS2510080H04 1. General Information Environmental evaluation measurements of specific absorption rate (SAR) distributions in emulated human head and body tissues exposed to radio frequency (RF) radiation from wireless portable devices for compliance with the rules and regulations of the U.S. Federal Communications Commission (FCC). 1.1 EUT Description Product Name Accsoon CoMo II Brand Name Accsoon Model Name MIC04 Series Model MIC04-H, MIC04-R, MIC04-1H2R, MIC04-1H4R, MIC04-1H6R, MIC04-1H8R Model Difference The model is different from the sales area, everything else is exactly the same Sample number 251015005-3 Battery Model: NCR14500R150 Brand: N/A Rated Voltage: 3.6V Charge Limit Voltage: 4.2V Capacity: 1500MAh Device Category Portable Product stage Production unit RF Exposure Environment General Population / Uncontrolled Hardware Version V1.1 Software Version V0.10 Frequency Range DECT: 1921.536-1928.448MHz Max. Reported SAR(1g): (Limit:1.6W/kg) Test distance: Body:0mm Mode Body Worn (W/kg) FP 0.044 PP 0.042 Operating Mode: DECT: GFSK Antenna Specification: DECT: PIFA Antenna SIM Card Support dual-SIM, dual standby, the multiple SIM card with two lines cannot transmitting at the same time Hotspot Mode Not Support DTM Mode Not Support Note: 1. NO SIM card 2. The EUT battery must be fully charged and checked periodically during the test to ascertain uniform power Page 6 of 35 Report No.: STS2510080H04 1.2 Test Environment Ambient conditions in the SAR laboratory: Items Required Temperature (°C) 18-25 Humidity (%RH) 30-70 1.3 Test Factory ShenZhen STS Test Services Co.,Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub- District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration No.: 625569 IC Registration No.: 12108A A2LA Certificate No.: 4338.01 Page 7 of 35 Report No.: STS2510080H04 2. Test Standards and Limits No. Identity Document Title 1 47 CFR Part 2 Frequency Allocations and Radio Treaty Matters; General Rules and Regulations 2 IEEE Std C95.1, 2019 IEEE Standard for Safety Levels with Respect to Human Exposure to Electric,Magnetic, and Electromagnetic Fields,0 Hz to 300 GHz. It specifies the maximum exposure limit of 1.6 W/kg as averaged over any 1 gram of tissue for portable devices being used within 20 cm of the user in the uncontrolled environment. 3 IEEE Std. 1528-2013 Recommended Practice for Determining the Peak Spatial- Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques 4 FCC KDB 447498 D04 v01 RF E…

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Page: 1/11 SHENZHEN STS TEST SE RVICES CO., LTD. 1/F, BUILDING 2, ZHUOKE SCI ENCE PARK, 190 CHONGQI NG ROAD FUYONG , BAO’ AN DISTRICT, SHENZHEN,CHINA MVG COMOSAR DOSIMETRIC E - FIELD PROBE SER I AL NO.: SN 08/21 EPGO352 Cal ibrated at MVG Z.I. de la poin te du diable Technopôle Brest Iroise – 295 avenue Alexis de Rochon 29280 PLOUZANE - FRANCE Cal ibration date: 09/15/2025 Acc reditations #2-6789 Sc ope available on www.cofrac.fr The use of the Cofrac brand and the accreditation references is prohibited from any reproduction. Summary: This document presents the method and results from an accredited COMOSAR Dosimetric E- Field Pro be calibration performed at MVG, using the CALIPROBE test bench, for use with a MVG COMO SA R system only. The test results covered by accreditation are traceable to the International System of Units (SI). COMOSAR E-Field Probe Cal ibration Report Ref : ACR.95.19.25.BES.A Docusign Envelope ID: 711C3E09-7054-43A0-BF16-C536091746C4 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref : A C R.95.19.25.BES.A Page: 2/11 Temp late_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM Th is document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. Name Function Date Signature Prepared by : Pedro Ruiz Measure ment Responsibl e 9/16/2025 C h ecked & approved by: Jérôme L uc Technica l M anager 9/16/2025 Authorized by: Labora tory Di rector Customer Name Distribution : Sh enzhen STS Test Services Co., Ltd. Issue Name Date Modifications A Pedro Ruiz 9/16/2025 Initial r elease Docusign Envelope ID: 711C3E09-7054-43A0-BF16-C536091746C4 Geraldine Toutain 9/16/2025 COMOSAR E-FIELD PROBE CALIBRATION REPORT Page: 3/11 Temp late_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM Th is document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. TABLE OF CONTEN T S 1 Device Under Test ..................................................................................................... 4 2 Product Description ................................................................................................... 4 2.1 General Information _______________________________________________________ 4 3 Measurement Method ................................................................................................ 4 3.1 Sensitivity _______________________________________________________________ 4 3.2 Linearity ________________________________________________________________ 5 3.3 Isotropy _________________________________________________________________ 5 3.4 Boundary Effect __________________________________________________________ 5 3.5 Probe Modulation Response _________________________________________________ 6 4 Measurement Uncertainty .......................................................................................... 6 5 Calibration Results ...................…

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