O57TB522FUPortable Tablet Computer

Sporton International Inc. (Kunshan) Page : 1 of 34 TEL : +86-512-57900158 Issued Date : May 26, 2026 FCC ID : O57TB522FU Report Template No. : 200414 FCC SAR Test Report Report No. : FA640811 FCC SAR Test Report APPLICANT : Lenovo(Shanghai) Electronics Technology Co., Ltd. EQUIPMENT : Portable Tablet Computer BRAND NAME : Lenovo MODEL NAME : TB522FU FCC ID : O57TB522FU STANDARD : FCC 47 CFR Part 2 (2.1093) We, Sporton International Inc. (Kunshan), would like to declare that the tested sample has been evaluated in accordance with the test procedures given in 47 CFR Part 2.1093 and FCC KDB 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. (Kunshan), the test report shall not be reproduced except in full. Approved by: Si Zhang Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page : 2 of 34 TEL : +86-512-57900158 Issued Date : May 26, 2026 FCC ID : O57TB522FU Report Template No. : 200414 FCC SAR Test Report Report No. : FA640811 Table of Contents 1. Statement of Compliance ............................................................................................................................................. 4 2. Administration Data ...................................................................................................................................................... 5 3. Guidance Applied .......................................................................................................................................................... 5 4. Equipment Under Test (EUT) Information ................................................................................................................... 6 4.1 General Information ............................................................................................................................................... 6 5. RF Exposure Limits....................................................................................................................................................... 7 5.1 Uncontrolled Environment ...................................................................................................................................... 7 5.2 Controlled Environment .......................................................................................................................................... 7 5.3 RF Exposure limit for above 6GHz ......................................................................................................................... 8 6. Specific Absorption Rate (SAR) ................................................................................................................................... 9 6.1 Introduction ............................................................................................................................................................ 9 6.2 SAR Definition ........................................................................................................................................................ 9 7. System Description and Setup ...................................................................................................................................10 7.1 E-Field Probe ........................................................................................................................................................ 11 7.2 Data Acquisition Electronics (DAE) ....................................................................................................................... 11 7.3 Phantom ................................................................................................................................................................12 7.4 Device Holder........................................................................................................................................................13 8. Measurement Procedures ...........................................................................................................................................14 8.1 Spatial Peak SAR Evaluation ................................................................................................................................14 8.2 Power Reference Measurement............................................................................................................................15 8.3 Area Scan .............................................................................................................................................................15 8.4 Zoom Scan ............................................................................................................................................................16 8.5 Volume Scan Procedures ......................................................................................................................................16 8.6 Power Drift Monitoring ...........................................................................................................................................16 9. Test Equipment List .....................................................................................................................................................17 10. System Verification ....................................................................................................................................................18 10.1 Tissue Simulating Liquids ....................................................................................................................................18 10.2 Tissue Verification ...............................................................................................................................................18 10.…

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1 / 14 Antenna Performance Description Test date: 2026/05/20 2 / 14 1. Antenna information Antenna Pattern Antenna Type Manufacturer Address Test party of Antenna gain Wi-Fi/BT FPC/Metal Cavity ANT1/2: Huizhou Speed Wireless Technology Co., Ltd. ANT3: Shenzhen Everwin Precision Technology Co., Ltd. ANT1/2: No.SX-01-02 Shangxia Section, Hi-tech District of East-river, Huizhou, Guangdong Province P.R.C. ANT3：11Block,No.3 Industry Area,Fuyong Qiaotou, Bao'an District, Shenzhen Guangdong, P.R.C. No.99, Weixin, Road, SIP, Suzhou, Jiangsu Province, China Model-WPT WPT-1 Type Coil Frequency Channel QI:111～145kHz Dimension 16mm x 2.85mm x 2.3mm Supplier Name Luxshare Precision Industry Company Limited. Address Floor 2, Block A, Sanyo New Industrial Area, West Haoyi Community, Shajing Subdistrict Office, Bao'an District, Shenzhen 3 / 14 2. Test data Antenna 1 Cavity Antenna Effi.(dB) peak gain(dBi) 2400~2483.5MHz -7.38 -2.40 5150~5250MHz -7.79 -2.05 5250~5350MHz -7.51 -1.71 5470~5725MHz -8.07 -3.11 5725~5850MHz -8.93 -3.41 5850~5925MHz -9.15 -2.53 5925~6425MHz -9.22 -1.89 6425~6525MHz -8.98 -1.78 6525~6875MHz -9.37 -1.40 6875~7125MHz -9.10 -1.59 Antenna 2 Cavity Antenna Effi.(dB) peak gain(dBi) 2400~2483.5MHz -7.29 -2.42 Antenna 3 Cavity Antenna Effi.(dB) peak gain(dBi) 5150~5250MHz -5.96 0.58 5250~5350MHz -5.67 1.46 5470~5725MHz -5.92 1.18 5725~5850MHz -5.56 1.51 5850~5925MHz -6.27 0.58 5925~6425MHz -6.08 1.77 6425~6525MHz -6.77 0.66 6525~6875MHz -7.70 -0.49 6875~7125MHz -10.68 -1.98 4 / 14 Antenna 1 2400~2483.5MHz Antenna 1 5150~5250MHz 5 / 14 Antenna 1 5250~5350MHz Antenna 1 5470~5725MHz 6 / 14 Antenna 1 5725~5850MHz Antenna 1 5850~5925MHz 7 / 14 Antenna 1 5925~6425MHz Antenna 1 6425~6525MHz 8 / 14 Antenna 1 6525~6875MHz Antenna 1 6875~7125MHz 9 / 14 Antenna 2 2400~2483.5MHz Antenna 3 5150~5250MHz 10 / 14 Antenna 3 5250~5350MHz Antenna 3 5470~5725MHz 11 / 14 Antenna 3 5725~5850MHz Antenna 3 5850~5925MHz 12 / 14 Antenna 3 5925~6425MHz Antenna 3 6425~6525MHz 13 / 14 Antenna 3 6525~6875MHz Antenna 3 6875~7125MHz 14 / 14 3. Test Instruments 4. Test Site Suzhou End of Test Report 签名： Name Manufacturer Model name Serial Number Software Cal., Date Exp., Date OTA Chamber ETS- LINDGREN AMS8500 Euroshieldpn- CT000506-1128 EMquest 2025-5-12 2026-5-11 Network Analyzer KEYSIGHT E5071C MY46213344 Network Analyzer 11.23 2025-5-12 2026-5-11

Sporton International Inc. (Kunshan) Page Number : 1 of 26 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID: O57TB522FU Report Version : 01 Report Template No.: BU5-FR15CWPC Version 2.4 FCC RF Test Report Report No. : FR640811F FCC RF Test Report APPLICANT : Lenovo(Shanghai) Electronics Technology Co., Ltd. EQUIPMENT : Portable Tablet Computer BRAND NAME : Lenovo MODEL NAME : TB522FU FCC ID : O57TB522FU STANDARD : FCC Part 15 Subpart C §15.209 CLASSIFICATION : (DCD) Part 15 Low Power Transmitter Below 1705 kHz TEST DATE(S) : May 08, 2026 ~ May 27, 2026 We, Sporton International Inc. (Kunshan), 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. (Kunshan), the test report shall not be reproduced except in full. Approved by: Jason Jia Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page Number : 2 of 26 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID: O57TB522FU Report Version : 01 Report Template No.: BU5-FR15CWPC Version 2.4 FCC RF Test Report Report No. : FR640811F Table of Contents History of this test report ................................................................................................................................. 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 Modification of EUT ........................................................................................................................... 5 1.5 Test Location ..................................................................................................................................... 6 1.6 Test Software .................................................................................................................................... 6 1.7 Applied Standards ............................................................................................................................. 6 2 Test Configuration of Equipment Under Test ......................................................................................... 7 2.1 Test Mode ......................................................................................................................................... 7 2.2 Connection Diagram of Test System ................................................................................................ 8 3 Test Result .................................................................................................................................................. 9 3.1 20dB and 99% Occupied Bandwidth Measurement ......................................................................... 9 3.2 Radiated Emission Measurement ................................................................................................... 11 3.3 AC Conducted Emission Measurement .......................................................................................... 20 3.4 Antenna Requirements .................................................................................................................... 24 4 List of Measuring Equipment .................................................................................................................. 25 5 Measurement Uncertainty ....................................................................................................................... 26 Appendix A. Setup Photographs Sporton International Inc. (Kunshan) Page Number : 3 of 26 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID: O57TB522FU Report Version : 01 Report Template No.: BU5-FR15CWPC Version 2.4 FCC RF Test Report Report No. : FR640811F History of this test report Report No. Version Description Issued Date FR640811F 01 Initial issue of report May 29, 2026 Sporton International Inc. (Kunshan) Page Number : 4 of 26 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID: O57TB522FU Report Version : 01 Report Template No.: BU5-FR15CWPC Version 2.4 FCC RF Test Report Report No. : FR640811F Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark 3.1 2.1049 20dB Bandwidth Reporting Only - 3.1 2.1049 99% Occupied Bandwidth Reporting Only - 3.2 15.209 Radiated Emission Pass Under limit 5.79 dB at 47.46 MHz 3.3 15.207 AC Conducted Emission Pass Under limit 8.34 dB at 1.367 MHz 3.4 15.203 Antenna Requirements Pass - Conformity Assessment Condition: 1. The test results (PASS/FAIL) with all measurement uncertainty excluded are presented against the regulation limits or in accordance with the requirements stipulated by the applicant/manufacturer who shall bear all the risks of non-compliance that may potentially occur if measurement uncertainty is taken into account. 2. The measurement uncertainty please refer to each test result in the section “Measurement Uncertainty” Disclaimer: The product specifications of the EUT presented in the test report that may affect the test assessments are declared by the manufacturer who shall take full …

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Sporton International Inc. (Kunshan) Page Number : 1 of 14 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID : O57TB522FU Report Version : Rev. 01 RF Exposure Report Report No. : FA640811A RF Exposure Report FCC ID : O57TB522FU Equipment : Portable Tablet Computer Brand Name : Lenovo Model Name : TB522FU Applicant : Lenovo(Shanghai) Electronics Technology Co., Ltd. Section 304-305, Building No. 4, # 222, Meiyue Road, China (Shanghai) Pilot Free Trade Zone Manufacture : Lenovo Ireland International Limited Viscount House, 6/7 Fitzwilliam Square East, Dublin, D02 Y447, Ireland Standard : FCC 47 CFR Part 2.1093 Date Tested : May 26, 2026 We, Sporton International Inc. (Kunshan), would like to declare that the tested sample has been evaluated in accordance with the test procedures given in 47 CFR Part 2.1093 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. (Kunshan), the test report shall not be reproduced except in full. Approved by: Si Zhang Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page Number : 2 of 14 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID : O57TB522FU Report Version : Rev. 01 RF Exposure Report Report No. : FA640811A Table of Contents 1. DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ............................................................................. 4 1. ADMINISTRATION DATA ........................................................................................................................... 4 2. RF EXPOSURE LIMIT ................................................................................................................................. 5 3. SYSTEM DESCRIPTION AND SETUP ....................................................................................................... 6 4. EQUIPMENT LIST ....................................................................................................................................... 9 5. SYSTEM VALIDIATION .............................................................................................................................. 9 6. RF EXPOSURE RESULTS ........................................................................................................................ 10 6.1. Maximum Permissible Exposure Evaluation ................................................................................... 10 6.2. Peak Spatial-Average SAR Evaluation ............................................................................................ 11 7. UNCERTAINTY .......................................................................................................................................... 12 8. REFERENCE ............................................................................................................................................. 13 APPENDIXES ................................................................................................................................................... 14 Appendix A. Plots of System Performance Check ..................................................................................... 14 Appendix B. Plots of High Measurement Result ........................................................................................ 14 Appendix C. DASY Calibration Certificate ................................................................................................. 14 Appendix D. Test Setup Photos ................................................................................................................. 14 Sporton International Inc. (Kunshan) Page Number : 3 of 14 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID : O57TB522FU Report Version : Rev. 01 RF Exposure Report Report No. : FA640811A Revision History REPORT NO. VERSION DESCRIPTION ISSUED DATE FA640811A Rev. 01 Initial issue of report May 29, 2026 Sporton International Inc. (Kunshan) Page Number : 4 of 14 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID : O57TB522FU Report Version : Rev. 01 RF Exposure Report Report No. : FA640811A 1. Description of Equipment Under Test (EUT) Product Feature & Specification FCC ID O57TB522FU Equipment Portable Tablet Computer Brand Name Lenovo Model Name TB522FU Frequency Range 111 KHz ~ 145KHz Mode ASK S/N HA2HSW1N Remark: 1. There are five samples, the different between them refer to the TB522FU_Operational Description of Product Equality Declaration which is exhibit separately. According to the differences, since the SAR value is very small and the risk is low, the differences do not affect the test. Therefore, only sample 4 was chosen to perform full testing. Declaration of Conformity: The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. 1. Administration Data Sporton International Inc. (Kunshan) is accredited to ISO/IEC 17025:2017 by American Association for Laboratory Accreditation with Certificate Number 5145.02. Testing Laboratory Test Firm Sporton International Inc. (Kunshan) Test Site Location No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China TEL : +86-512-57900158 Test Site No. Sporton Site No. FCC Designation No. FCC Test Firm Registration No. SAR05-KS CN1257 314309 Sporton International Inc. (Kunshan) Page Number : 5 of 14 TEL : +86-512-57900158 Report Issued Date : May 29, 2026 FCC ID : O57TB522FU Report Version : Rev. 01 RF …

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ModeChannel Frequency (MHz) Average Power (dBm) Tune-Up Limit Duty Cycle % ModeChannel Frequency (MHz) Average Power (dBm) Tune-Up Limit Duty Cycle % ModeChannel Frequency (MHz) Average Power (dBm) Tune-Up Limit Duty Cycle % 1241219.4721.0097.0336518017.9819.5098.9752526018.0719.5098.97 6243719.4821.0097.0340520018.0119.5098.9756528018.0819.5098.97 11246219.2321.0097.0344522017.9719.5098.9760530017.9319.5098.97 1241218.0920.0099.0448524017.9119.5098.9764532018.0019.5098.97 6243718.3320.0099.0436518018.6920.50100.0052526018.9320.50100.00 11246218.0720.0099.0440520018.7020.50100.0056528018.9320.50100.00 1241217.7019.50100.0044522018.9020.50100.0060530018.8420.50100.00 6243717.7819.50100.0048524018.8920.50100.0064532018.8120.50100.00 11246217.4219.00100.0038519017.8119.50100.0054527020.0621.00100.00 3242218.6120.00100.0046523019.8421.50100.0062531017.5319.00100.00 6243719.0220.50100.0036518018.7920.50100.0052526019.0120.50100.00 9245216.8818.50100.0040520018.8020.50100.0056528018.9720.50100.00 1241218.3420.00100.0044522019.0020.50100.0060530018.8820.50100.00 6243718.6820.00100.0048524018.9320.50100.0064532018.8520.50100.00 11246218.3020.00100.0038519017.8919.50100.0054527020.1421.00100.00 3242218.6320.50100.0046523019.9021.50100.0062531017.5919.00100.00 6243719.7921.50100.00802.11ac-VHT80 MCS042521016.4318.00100.00802.11ac-VHT80 MCS058529016.9418.50100.00 9245216.9218.50100.0036518018.8420.50100.00802.11ac-VHT160 MCS050525014.7516.50100.00 1241218.4920.00100.0040520018.8320.50100.0052526019.0420.50100.00 6243718.7320.50100.0044522019.0520.50100.0056528019.0620.50100.00 11246218.4020.00100.0048524018.9920.50100.0060530018.9320.50100.00 3242218.6820.50100.0038519017.9919.50100.0064532018.9020.50100.00 6243719.8421.50100.0046523019.9721.50100.0054527020.1921.00100.00 9245216.9818.50100.00802.11ax-HE80 MCS042521016.4818.00100.0062531017.6419.50100.00 36518018.8720.50100.00802.11ax-HE80 MCS058529017.0118.50100.00 40520018.9320.50100.00802.11ax-HE160 MCS050525014.8416.50100.00 44522019.1121.00100.0052526019.1520.50100.00 48524019.0720.50100.0056528019.1020.50100.00 38519018.0720.00100.0060530019.0120.50100.00 46523020.0821.50100.0064532018.9620.50100.00 802.11be-EHT80 MCS042521016.5518.00100.0054527020.2521.50100.00 62531017.7319.50100.00 802.11be-EHT80 MCS058529017.0718.50100.00 802.11be-EHT160 MCS050525014.9216.50100.00 802.11be-EHT40 MCS0 802.11be-EHT20 MCS0 802.11be-EHT40 MCS0 <5.3GHz WLAN_Ant 1_Full Power> 5.3GHz WLAN_Ant 1_Full PowerAnt 1 802.11a 6Mbps 802.11n-HT20 MCS0 802.11n-HT40 MCS0 802.11ac-VHT20 MCS0 802.11ac-VHT40 MCS0 802.11ax-HE20 MCS0 802.11ax-HE40 MCS0 802.11be-EHT20 MCS0 802.11be-EHT40 MCS0 <5.2GHz WLAN_Ant 1_Full Power> 5.2GHz WLAN_Ant 1_Full PowerAnt 1 802.11a 6Mbps 802.11n-HT20 MCS0 802.11n-HT40 MCS0 802.11ac-VHT20 MCS0 802.11ac-VHT40 MCS0 802.11ax-HE20 MCS0 802.11ax-HE40 MCS0 802.11n-HT20 MCS0 802.11n-HT40 MCS0 802.11ax-HE20 MCS0 802.11ax-HE40 MCS0 802.11be-EHT20 MCS0 <2.4GHz WLAN_Ant 1_Full Power> 2.4GHz WLAN_Ant 1_Full PowerAnt 1 802.11b 1Mbps 802.11g 6Mbps Appendix EReport No. : FA640811 Page:1/11 ModeChannel Frequency (MHz) Average Power (dBm) Tune-Up Limit Duty Cycle % ModeChannel Frequency (MHz) Average Power (dBm) Tune-Up Limit Duty Cycle % ModeChannel Frequency (MHz) Average Power (dBm) Tune-Up Limit Duty Cycle % 100550018.1020.0098.97149574517.9019.5098.97159552.194.0098.97 116558018.2320.0098.97157578517.9119.5098.975762353.925.5098.97 124562018.3320.0098.97165582518.0019.5098.9711365153.125.0098.97 132566017.9419.5098.97149574518.4920.00100.0017368152.864.5098.97 144572017.9619.5098.97157578518.5020.00100.0022970955.107.0098.97 100550018.8320.50100.00165582518.6720.50100.00159552.224.00100.00 116558018.8120.50100.00151575519.7321.50100.005762353.985.50100.00 124562018.6620.50100.00159579519.7321.50100.0011365154.035.50100.00 132566018.4420.00100.00149574518.5520.00100.0017368153.885.50100.00 144572018.4520.00100.00157578518.6020.00100.0022970955.687.50100.00 102551018.9720.50100.00165582518.7220.50100.00359657.068.50100.00 110555020.0321.50100.00151575519.8221.50100.005962457.059.00100.00 126563019.5721.00100.00159579519.7721.50100.0010764856.938.50100.00 134567019.4021.00100.00802.11ac-VHT80 MCS0155577519.3021.00100.0017168056.578.00100.00 142571019.5121.00100.00149574518.6620.50100.0022770859.2511.00100.00 100550018.8820.50100.00157578518.6320.50100.007598510.4212.00100.00 116558018.9120.50100.00165582518.7620.50100.0071630510.2112.00100.00 124562018.6920.50100.00151575519.9321.50100.0011965459.7111.50100.00 132566018.5220.00100.00159579519.8421.50100.00167678510.5312.00100.00 144572018.4820.00100.00802.11ax-HE80 MCS0155577519.4121.00100.00215702510.7912.00100.00 102551019.0520.50100.00149574518.7720.50100.0015602512.5914.00100.00 110555020.0821.50100.00157578518.6720.50100.0047618512.5314.00100.00 126563019.6621.50100.00165582518.8220.50100.00111650512.7214.50100.00 134567019.5021.00100.00151575519.9821.50100.00143666513.7915.50100.00 142571019.5521.00100.00159579519.9221.50100.00207698514.3816.00100.00 106553017.6719.50100.00802.11be-EHT80 MCS0155577519.4521.00100.00159552.244.00100.00 122561019.4821.00100.005762354.015.50100.00 138569019.1220.50100.0011365154.095.50100.00 802.11ac-VHT160 MCS0114557017.2419.00100.0017368153.915.50100.00 100550018.9520.50100.0022970955.717.50100.00 116558018.9720.50100.00359657.169.00100.00 124562018.7620.50100.005962457.078.50100.00 132566018.5820.00100.0010764856.968.50100.00 144572018.5720.00100.0017168056.618.00100.00 102551019.1320.50100.0022770859.3111.00100.00 110555020.1821.50100.007598510.5012.00100.00 126563019.7621.50100.0071630510.2212.00100.00 134567019.5721.00100.0011965459.8111.50100.00 142571019.5921.00100.00167678510.5712.00100.00 106553017.7319.50100.00215702510.8712.50100.00 122561019.5821.00100.0015602512.6414.50100.00 138569019.1720.50100.0047618512.6214.50100.00 802.11ax-HE160 MCS0114557017.2719.00100.00111650512.8114.50100.00 100550019.0420.50100.00143666513.8515.50100.00 116558019.0020.50100.00207698514…

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Appendix C Report No. : FA640811 Page: 65/81 Appendix C Report No. : FA640811 Page: 66/81 Appendix C Report No. : FA640811 Page: 67/81 Appendix C Report No. : FA640811 Page: 68/81 Appendix C Report No. : FA640811 Page: 69/81 Appendix C Report No. : FA640811 Page: 70/81 Appendix C Report No. : FA640811 Page: 71/81 Appendix C Report No. : FA640811 Page: 72/81 Appendix C Report No. : FA640811 Page: 73/81 Appendix C Report No. : FA640811 Page: 74/81 Appendix C Report No. : FA640811 Page: 75/81 Appendix C Report No. : FA640811 Page: 76/81 Appendix C Report No. : FA640811 Page: 77/81 Appendix C Report No. : FA640811 Page: 78/81 Appendix C Report No. : FA640811 Page: 79/81 Appendix C Report No. : FA640811 Page: 80/81 Appendix C Report No. : FA640811 Page: 81/81

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Appendix C Report No. : FA640811 Page: 1/81 Appendix C Report No. : FA640811 Page: 2/81 Appendix C Report No. : FA640811 Page: 3/81 Appendix C Report No. : FA640811 Page: 4/81 Appendix C Report No. : FA640811 Page: 5/81 Appendix C Report No. : FA640811 Page: 6/81 Appendix C Report No. : FA640811 Page: 7/81 D2450V2, Serial No. 1095 Extended Dipole Calibrations 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. D2450V2 – serial no. 1095 2450 Head Date of Measurement Return-Loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary Impedance (ohm) Delta (ohm) 2024.2.8 -24.264 51.343 6.0670 2025.2.7 -24.840 2% 52.727 1.384 6.5740 0.507 2026.2.6 -23.389 -4% 51.314 -0.029 6.0825 0.015 <Justification of the extended calibration> 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> D2450V2, serial no. 1095 2450MHz – Head-2025.2.7 Appendix CReport No. : FA640811 Page: 8/81 Dipole Verification Data> D2450V2, serial no. 1095 2450MHz – Head-2026.2.6 Appendix CReport No. : FA640811 Page: 9/81 Appendix C Report No. : FA640811 Page: 10/81 Appendix C Report No. : FA640811 Page: 11/81 Appendix C Report No. : FA640811 Page: 12/81 Appendix C Report No. : FA640811 Page: 13/81 Appendix C Report No. : FA640811 Page: 14/81 Appendix C Report No. : FA640811 Page: 15/81 Appendix C Report No. : FA640811 Page: 16/81 Appendix C Report No…

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