2BU85-T20TABLET

ISED Caution:

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.: STS2604036H01 Issued for JIAHANG TECHNOLOGY (HONG KONG) CO., LIMITED 19H MAXGRAND PLAZA 3 TAI YAU STREET SAN PO KONG KL HONG KONG China Product Name: TABLET Brand Name: N/A Model Name: T20 Series Model(s): N/A FCC ID: 2BU85-T20 Test Standard: ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 Max. Report SAR (1g) Body: 0.657 W/kg Page 2 of 49 Report No.: STS2604036H01 TEST REPORT CERTIFICATION Applicant’s name ................. : JIAHANG TECHNOLOGY (HONG KONG) CO., LIMITED Address ................................. : 19H MAXGRAND PLAZA 3 TAI YAU STREET SAN PO KONG KL HONG KONG China Manufacturer's Name .......... : LUZHENG TECHNOLOGY HONGKONG LIMITED Address ................................. : ROOM A08, 2/F LEE KA INDUSTRIAL BUILDING 8 NG FONG STREET SAN PO KONG HK China Product description Product name ........................ : TABLET Brand name ......................... : N/A Model name ......................... : T20 Series Model .......................... : N/A 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 ............. : 15 Apr. 2026 Date of Issue ........................................... : 17 Apr. 2026 Test Result ............................................... : Pass Testing Engineer : (Xin.Liu) Technical Manager : (Shifan. Long) Authorized Signatory : (Bovey Yang) Page 3 of 49 Report No.: STS2604036H01 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 10 4.1 Simulating Liquids Parameter Check 10 5. SAR System Validation 14 5.1 Validation System 14 5.2 Validation Result 15 6. SAR Evaluation Procedures 16 7. EUT Antenna Location Sketch 17 8. EUT Test Position 21 8.1 Body-worn Position Conditions 21 9. Uncertainty 22 9.1 Measurement Uncertainty 22 10. Conducted Power Measurement 25 10.1 Test Result 25 11. EUT and Test Setup Photo 28 11.1 EUT Photo 28 11.2 Setup Photo 31 12. SAR Result Summary 33 12.1 Body-worn SAR 33 13. Equipment List 34 Appendix A. System Validation Plots 35 Appendix B. SAR Test Plots 41 Appendix C. Probe Calibration and Dipole Calibration Report 49 Page 4 of 49 Report No.: STS2604036H01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 17 Apr. 2026 STS2604036H01 ALL Initial Issue Page 5 of 49 Report No.: STS2604036H01 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 TABLET Brand Name N/A Model Name T20 Series Model N/A Model Difference N/A Sample number 260407004-3 Battery Model:HBT-30100125 Rated Voltage: 3.8V Charge Limit Voltage: 4.35V Capacity: 5000mAh Device Category Portable Product stage Production unit RF Exposure Environment General Population / Uncontrolled Hardware Version W30-T616ES-V2.0 Software Version V1.0 Frequency Range WLAN802.11b/g/n20: 2412 MHz ~ 2462 MHz WLAN 802.11n40: 2422 MHz ~ 2452 MHz WLAN 802.11a/n20/n40/ac20/ac40/ac80: 5180 ~ 5240 MHz WLAN 802.11a/n20/n40/ac20/ac40/ac80: 5745 ~ 5825 MHz Bluetooth: 2402 MHz to 2480 MHz Max. Reported SAR(1g): (Limit:1.6W/kg) Test distance: Body:0mm Band Mode Body Worn(W/kg) DTS 2.4G WLAN 0.622 DTS BT 0.069 NII 5.2G WLAN 0.569 NII 5.8G WLAN 0.657 FCC Equipment Class Digital Transmission System (DTS) Part 15 Spread Spectrum Transmitter (DSS) Unlicensed National Information Infrastructure TX(NII) Operating Mode: 2.4G WLAN : 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM 5G WLAN: 802.11a(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11ac(OFDM):BPSK,QPSK,16-QAM,64-QAM,256-QAM Bluetooth: GFSK +π/4DQPSK+8DPSK BLE: GFSK Antenna Specification: Bluetooth: FPC Antenna WLAN: FPC Antenna Hotspot Mode Not Support DTM Mode Not Support Note: 1. The EUT battery must be fully charged and checked periodically during the test to ascertain uniform power Page 6 of 49 Report No.: STS2604036H01 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 49 Report No.: STS2604036H01 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 Pract…

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2BU85-T20_SAR Test setup photo Body Back side(separation distance is 0mm) BodyTop side(separation distance is 0mm)

Page 1 of 3 FCC: 2BU85-T20 Setup photo AC Conduction RF Conduction Page 2 of 3 FCC: 2BU85-T20 RE (Below 1GHz) RE (1-18GHz) Page 3 of 3 FCC: 2BU85-T20 RE (18-40GHz)

Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle Condition Mode Frequency (MHz) On Time (ms) Period (ms) Duty Cycle (%) Correction Factor (dB) 1/T (kHz) Max Variation (%) NVNT a 5745 1.392 1.546 90.04 0.46 0.72 0.19 NVNT a 5785 1.394 1.546 90.17 0.45 0.72 0.22 NVNT a 5825 1.392 1.546 90.04 0.46 0.72 0.18 NVNT n20 5745 1.3 1.452 89.53 0.48 0.77 0.16 NVNT n20 5785 1.3 1.444 90.03 0.46 0.77 0.19 NVNT n20 5825 1.3 1.452 89.53 0.48 0.77 0.15 NVNT n40 5755 0.65 0.802 81.05 0.91 1.54 0.17 NVNT n40 5795 0.65 0.802 81.05 0.91 1.54 0.18 NVNT ac20 5745 1.311 1.464 89.55 0.48 0.76 0.14 NVNT ac20 5785 1.311 1.464 89.55 0.48 0.76 0.15 NVNT ac20 5825 1.314 1.467 89.57 0.48 0.76 0.20 NVNT ac40 5755 0.652 0.806 80.89 0.92 1.53 0.18 NVNT ac40 5795 0.652 0.806 80.89 0.92 1.53 0.23 NVNT ac80 5775 0.324 0.476 68.07 1.67 3.09 0.18 Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Test Graphs Duty Cycle NVNT a 5745MHz Duty Cycle NVNT a 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle NVNT a 5825MHz Duty Cycle NVNT n20 5745MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle NVNT n20 5785MHz Duty Cycle NVNT n20 5825MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle NVNT n40 5755MHz Duty Cycle NVNT n40 5795MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle NVNT ac20 5745MHz Duty Cycle NVNT ac20 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle NVNT ac20 5825MHz Duty Cycle NVNT ac40 5755MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Duty Cycle NVNT ac40 5795MHz Duty Cycle NVNT ac80 5775MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Maximum Output Power Condition Mode Frequency (MHz) Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT a 5745 13.19 0.46 13.65 <=30 Pass NVNT a 5785 12.89 0.45 13.34 <=30 Pass NVNT a 5825 12.67 0.46 13.13 <=30 Pass NVNT n20 5745 12.34 0.48 12.82 <=30 Pass NVNT n20 5785 11.99 0.46 12.45 <=30 Pass NVNT n20 5825 11.82 0.48 12.3 <=30 Pass NVNT n40 5755 12.52 0.91 13.43 <=30 Pass NVNT n40 5795 11.87 0.91 12.78 <=30 Pass NVNT ac20 5745 12.37 0.48 12.85 <=30 Pass NVNT ac20 5785 12.03 0.48 12.51 <=30 Pass NVNT ac20 5825 11.89 0.48 12.37 <=30 Pass NVNT ac40 5755 12.51 0.92 13.43 <=30 Pass NVNT ac40 5795 11.9 0.92 12.82 <=30 Pass NVNT ac80 5775 10.4 1.67 12.07 <=30 Pass Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Test Graphs Power NVNT a 5745MHz Power NVNT a 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Power NVNT a 5825MHz Power NVNT n20 5745MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Power NVNT n20 5785MHz Power NVNT n20 5825MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Power NVNT n40 5755MHz Power NVNT n40 5795MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Power NVNT ac20 5745MHz Power NVNT ac20 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Power NVNT ac20 5825MHz Power NVNT ac40 5755MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Power NVNT ac40 5795MHz Power NVNT ac80 5775MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth Condition Mode Frequency (MHz) -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT a 5745 16.34 >=0.5 Pass NVNT a 5785 16.36 >=0.5 Pass NVNT a 5825 16.35 >=0.5 Pass NVNT n20 5745 17.05 >=0.5 Pass NVNT n20 5785 17.32 >=0.5 Pass NVNT n20 5825 17.09 >=0.5 Pass NVNT n40 5755 35.48 >=0.5 Pass NVNT n40 5795 35.64 >=0.5 Pass NVNT ac20 5745 17.03 >=0.5 Pass NVNT ac20 5785 17.4 >=0.5 Pass NVNT ac20 5825 17.06 >=0.5 Pass NVNT ac40 5755 35.61 >=0.5 Pass NVNT ac40 5795 35.42 >=0.5 Pass NVNT ac80 5775 75.5 >=0.5 Pass Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Test Graphs -6dB Bandwidth NVNT a 5745MHz -6dB Bandwidth NVNT a 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth NVNT a 5825MHz -6dB Bandwidth NVNT n20 5745MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth NVNT n20 5785MHz -6dB Bandwidth NVNT n20 5825MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth NVNT n40 5755MHz -6dB Bandwidth NVNT n40 5795MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth NVNT ac20 5745MHz -6dB Bandwidth NVNT ac20 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth NVNT ac20 5825MHz -6dB Bandwidth NVNT ac40 5755MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 -6dB Bandwidth NVNT ac40 5795MHz -6dB Bandwidth NVNT ac80 5775MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Occupied Channel Bandwidth Condition Mode Frequency (MHz) 99% OBW (MHz) NVNT a 5745 16.545 NVNT a 5785 16.561 NVNT a 5825 16.546 NVNT n20 5745 17.626 NVNT n20 5785 17.602 NVNT n20 5825 17.606 NVNT n40 5755 36.157 NVNT n40 5795 36.137 NVNT ac20 5745 17.588 NVNT ac20 5785 17.555 NVNT ac20 5825 17.569 NVNT ac40 5755 36.095 NVNT ac40 5795 36.103 NVNT ac80 5775 75.574 Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Test Graphs OBW NVNT a 5745MHz OBW NVNT a 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 OBW NVNT a 5825MHz OBW NVNT n20 5745MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 OBW NVNT n20 5785MHz OBW NVNT n20 5825MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 OBW NVNT n40 5755MHz OBW NVNT n40 5795MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 OBW NVNT ac20 5745MHz OBW NVNT ac20 5785MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 OBW NVNT ac20 5825MHz OBW NVNT ac40 5755MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 OBW NVNT ac40 5795MHz OBW NVNT ac80 5775MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-3 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Conducted PSD (dBm/510kHz) Duty Factor (dB) Total PSD (dBm/510kHz) Total PSD (dBm/500kHz) Limit (dBm/500kHz) Verdict NVNT a 5745 -0.341 0.46 0.119 0.03 <=30 Pass NVNT a 5785 -0.64 0.45 -0.19 -0.28 <=30 Pass NVNT a 5825 -0.733 0.46 -0.273 -0.36 <=30 Pass NVNT n20 5745 -1.446 0.48 -0.966 -1.05 <=30 Pass NVNT n20 5785 -1.687 0.4…

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Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle Condition Mode Frequency (MHz) On Time (ms) Period (ms) Duty Cycle (%) Correction Factor (dB) 1/T (kHz) Max Variation (%) NVNT a 5180 1.392 1.564 89 0.51 0.72 0.18 NVNT a 5200 1.392 1.544 90.16 0.45 0.72 0.22 NVNT a 5240 1.392 1.536 90.62 0.43 0.72 0.21 NVNT n20 5180 1.299 1.452 89.46 0.48 0.77 0.18 NVNT n20 5200 1.299 1.452 89.46 0.48 0.77 0.19 NVNT n20 5240 1.299 1.452 89.46 0.48 0.77 0.14 NVNT n40 5190 0.648 0.792 81.82 0.87 1.54 0.17 NVNT n40 5230 0.648 0.801 80.9 0.92 1.54 0.14 NVNT ac20 5180 1.314 1.467 89.57 0.48 0.76 0.14 NVNT ac20 5200 1.311 1.464 89.55 0.48 0.76 0.13 NVNT ac20 5240 1.314 1.464 89.75 0.47 0.76 0.13 NVNT ac40 5190 0.651 0.804 80.97 0.92 1.54 0.12 NVNT ac40 5230 0.654 0.807 81.04 0.91 1.53 0.15 NVNT ac80 5210 0.324 0.476 68.07 1.67 3.09 0.16 Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Test Graphs Duty Cycle NVNT a 5180MHz Duty Cycle NVNT a 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle NVNT a 5240MHz Duty Cycle NVNT n20 5180MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle NVNT n20 5200MHz Duty Cycle NVNT n20 5240MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle NVNT n40 5190MHz Duty Cycle NVNT n40 5230MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle NVNT ac20 5180MHz Duty Cycle NVNT ac20 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle NVNT ac20 5240MHz Duty Cycle NVNT ac40 5190MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Duty Cycle NVNT ac40 5230MHz Duty Cycle NVNT ac80 5210MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Maximum Output Power Condition Mode Frequency (MHz) Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT a 5180 12.65 0.51 13.16 <=24 Pass NVNT a 5200 12.94 0.45 13.39 <=24 Pass NVNT a 5240 12.41 0.43 12.84 <=24 Pass NVNT n20 5180 11.45 0.48 11.93 <=24 Pass NVNT n20 5200 11.88 0.48 12.36 <=24 Pass NVNT n20 5240 11.58 0.48 12.06 <=24 Pass NVNT n40 5190 11.73 0.87 12.6 <=24 Pass NVNT n40 5230 11.67 0.92 12.59 <=24 Pass NVNT ac20 5180 11.54 0.48 12.02 <=24 Pass NVNT ac20 5200 11.83 0.48 12.31 <=24 Pass NVNT ac20 5240 11.62 0.47 12.09 <=24 Pass NVNT ac40 5190 11.74 0.92 12.66 <=24 Pass NVNT ac40 5230 11.69 0.91 12.6 <=24 Pass NVNT ac80 5210 11.39 1.67 13.06 <=24 Pass Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Test Graphs Power NVNT a 5180MHz Power NVNT a 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Power NVNT a 5240MHz Power NVNT n20 5180MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Power NVNT n20 5200MHz Power NVNT n20 5240MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Power NVNT n40 5190MHz Power NVNT n40 5230MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Power NVNT ac20 5180MHz Power NVNT ac20 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Power NVNT ac20 5240MHz Power NVNT ac40 5190MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Power NVNT ac40 5230MHz Power NVNT ac80 5210MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth Condition Mode Frequency (MHz) -26 dB Bandwidth (MHz) Verdict NVNT a 5180 28.1 Pass NVNT a 5200 27.64 Pass NVNT a 5240 25.63 Pass NVNT n20 5180 28.83 Pass NVNT n20 5200 29.12 Pass NVNT n20 5240 29.07 Pass NVNT n40 5190 58.45 Pass NVNT n40 5230 57.53 Pass NVNT ac20 5180 26.35 Pass NVNT ac20 5200 26.24 Pass NVNT ac20 5240 27.06 Pass NVNT ac40 5190 46.17 Pass NVNT ac40 5230 49.63 Pass NVNT ac80 5210 88.85 Pass Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Test Graphs -26dB Bandwidth NVNT a 5180MHz -26dB Bandwidth NVNT a 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth NVNT a 5240MHz -26dB Bandwidth NVNT n20 5180MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth NVNT n20 5200MHz -26dB Bandwidth NVNT n20 5240MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth NVNT n40 5190MHz -26dB Bandwidth NVNT n40 5230MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth NVNT ac20 5180MHz -26dB Bandwidth NVNT ac20 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth NVNT ac20 5240MHz -26dB Bandwidth NVNT ac40 5190MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 -26dB Bandwidth NVNT ac40 5230MHz -26dB Bandwidth NVNT ac80 5210MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Occupied Channel Bandwidth Condition Mode Frequency (MHz) 99% OBW (MHz) NVNT a 5180 16.548 NVNT a 5200 16.528 NVNT a 5240 16.566 NVNT n20 5180 17.598 NVNT n20 5200 17.58 NVNT n20 5240 17.6 NVNT n40 5190 36.12 NVNT n40 5230 36.101 NVNT ac20 5180 17.566 NVNT ac20 5200 17.587 NVNT ac20 5240 17.582 NVNT ac40 5190 36.111 NVNT ac40 5230 36.106 NVNT ac80 5210 75.512 Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Test Graphs OBW NVNT a 5180MHz OBW NVNT a 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 OBW NVNT a 5240MHz OBW NVNT n20 5180MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 OBW NVNT n20 5200MHz OBW NVNT n20 5240MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 OBW NVNT n40 5190MHz OBW NVNT n40 5230MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 OBW NVNT ac20 5180MHz OBW NVNT ac20 5200MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 OBW NVNT ac20 5240MHz OBW NVNT ac40 5190MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 OBW NVNT ac40 5230MHz OBW NVNT ac80 5210MHz Report No.: STS2604036W10_ Appendix 5G WIFI U-NII-1 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Conducted PSD (dBm) Duty Factor (dB) Total PSD (dBm) Limit (dBm) Verdict NVNT a 5180 2.018 0.51 2.528 <=11 Pass NVNT a 5200 2.406 0.45 2.856 <=11 Pass NVNT a 5240 2.052 0.43 2.482 <=11 Pass NVNT n20 5180 1.017 0.48 1.497 <=11 Pass NVNT n20 5200 1.39 0.48 1.87 <=11 Pass NVNT n20 5240 1.3 0.48 1.78 <=11 Pass NVNT n40 5190 -1.859 0.87 -0.989 <=11 Pass NVNT n40 5230 -1.896 0.92 -0.976 <=11 Pass NVNT ac20 5180 0.947 0.48 1…

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德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 1 规格承认书 Approval Sheet 客户名称 深圳市英卡科技有限公司 (Customer Name） 产品名称 T20-antenna (Specification) 客户料号 (Customer P/N) 销售单号 (O/I) 送样日期 2025-03-04 （Date） 频段 GPS+2.4G+5GWIFI 版本 A 射频 王志彬 确认 结构 杨学忠 客户确认 日期 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 2 目 录 1.项目图片 2.测试治具 3.匹配电路 4. S11 测试电器性能 4.1 S11 测试方法说明规格标准 4.2 S11 参数图片 5.结构图纸 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 3 1. 项目图片 GPS+WIFI+BT Antenna 2. 无源测试 目的：尽可能准确测试天线的无源参数。 方法：此治具是用一根 50 欧姆的同轴电缆，一端连在手机主板的匹配电路后端（射 频测试孔前段）的测试点上，另一段连接 SMA 接头。具体如下图： 下表是为 T20 量产天线的性能的测试指标： T20 Antenna Frequency (MHz) VSWR Frequency (MHz) VSWR Band TX RX GPS 1.575 ≤3.0 2.4G WIFI 2400-2550 ≤3.0 2400-2550 ≤3.0 5.8G WIFI 5000-5150 ≤3.0 5150-5850 ≤3.0 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 4 3.匹配电路 天线（匹配无更改） 4. S11 测试 4.1 S11 测试方法说明规格标准 VSWR 测试装置依次的连接为：E5071B 网络分析仪→50 欧姆的同轴 Cable →120mm 长的铜管→测试治具。 测试治具的处理：从手机 PCB 上天线 50 欧姆测试点处用一根硬质电缆引出 SMA-J 接头，与套有扼流圈的铜管连接，再依次连接其他装置。 测试示意图 Element 匹配值 E1(0402) E2(0402) 0欧姆 E3(0402) 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 5 S11 无源驻波图 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 6 2.4/5.8 有源 BAND CHANNEL TRP TIS WIFI 11b 1 12.24 6 12.11 13 12.29 -81.49 WIFI 11a 36 11.73 60 12.52 165 11.48 -71.09 WIFI 11G 1 10.37 6 10.68 13 10.14 -70.46 WIFI 11N 1 10.23 6 10.25 13 10.11 -65.25 WIFI 11AC 36 11.32 60 12.22 165 11.41 -65.24 GPS Efficiency/Gain Passive Test For 2400-2500 Freq Effi Gain (MHz) (%) (dBi) 1550 36.97 1.18 1555 36.29 1.07 1560 35.77 0.87 1565 35.57 0.85 1570 35.48 0.76 1575 35.22 0.58 1580 34.46 0.41 1585 33.62 0.26 1590 33.02 0.07 1595 32.36 -0.13 1600 31.72 -0.27 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 7 2.4 Efficiency/Gain Passive Test For 2400-2500 Freq Effi Gain (MHz) (%) (dBi) 2400 32.57 0.73 2410 33.01 0.69 2420 33.64 0.87 2430 32.45 0.74 2440 32.60 0.71 2450 32.07 0.65 2460 31.03 0.48 2470 29.72 0.15 2480 28.75 -0.08 2490 27.95 -0.34 2500 32.57 0.73 5.8 Efficiency/Gain Passive Test For WIFI5.8 Freq Effi Gain (MHz) (%) (dBi) 5150 39.38 3.41 5200 38.32 3 5250 35.16 2.44 5300 31.1 2.05 5350 30.79 2.29 5400 33.13 2.67 5450 33.61 2.94 5500 33.62 3.07 5550 38.22 3.78 5600 42.89 4.36 5650 41.73 4.23 5700 40.35 3.93 5750 37.71 3.49 5800 35.27 3.1 5850 33.7 2.37 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 8 2400MHZ 2450MHZ 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 9 2500MHZ 5150MHZ 5550MHZ 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 10 5850MHZ 1575MHZ 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 11 GPS实测效果 WIFI实测效果（10米） 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 12 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 13 德仕勤科技有限公司 - 承认书 深圳市德仕勤科技有限公司 Dosking MicroElectronics Co.,Ltd 地址：深圳市南山区西丽大学城民企科技园2栋（港鸿基大厦）西座403/ Room 403, West Block, Building 2 (Ganghongji Building), MingQI Science and Technology Park, Xili University Town, Nanshan District, Shenzhen City TEL:0755-88602767 FAX:0755-82793883 14 5：结构图纸 Structural drawing

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. Radio Test Report Report No.: STS2604036W10 Issued for JIAHANG TECHNOLOGY (HONG KONG) CO., LIMITED 19H MAXGRAND PLAZA 3 TAI YAU STREET SAN PO KONG KL HONG KONG China Product Name: TABLET Brand Name: N/A Model Name: T20 Series Model(s): N/A FCC ID: 2BU85-T20 Test Standards: FCC Part15.407 Page 2 of 79 Report No.: STS2604036W10 TEST REPORT Applicant’s Name ................. : JIAHANG TECHNOLOGY (HONG KONG) CO., LIMITED Address ................................. : 19H MAXGRAND PLAZA 3 TAI YAU STREET SAN PO KONG KL HONG KONG China Manufacturer's Name ........... : LUZHENG TECHNOLOGY HONGKONG LIMITED Address ................................. : ROOM A08, 2/F LEE KA INDUSTRIAL BUILDING 8 NG FONG STREET SAN PO KONG HK China Product Description Product Name ........................ : TABLET Brand Name ........................... : N/A Model Name .......................... : T20 Series Model(s) .................... : N/A Test Standards ..................... : FCC Part15.407 Test Procedure ............................... : ANSI C63.10-2020+Cor 1-2023 This device described above has been tested by STS, 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. 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. Date of Test ........................................... : Date of receipt of test item ...................... : 09 Apr. 2026 Date (s) of performance of tests ............. : 09 Apr. 2026~20 Apr. 2026 Date of Issue .......................................... : 20 Apr. 2026 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 79 Report No.: STS2604036W10 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 11 2.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 12 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 13 2.6 EQUIPMENTS LIST 14 3. EMC EMISSION TEST 15 3.1 CONDUCTED EMISSION MEASUREMENT 15 3.2 RADIATED EMISSION AND MEASUREMENT 19 4. POWER SPECTRAL DENSITY TEST 67 4.1 LIMIT 67 4.2 TEST PROCEDURE 67 4.3 DEVIATION FROM STANDARD 68 4.4 TEST SETUP 68 4.5 EUT OPERATION CONDITIONS 68 4.6 TEST RESULTS 68 5. DUTY CYCLE 69 5.1 TEST STANDARD 69 5.2 TEST PROCEDURE 69 5.3 DEVIATION FROM STANDARD 69 5.4 TEST SETUP 69 5.5 EUT OPERATION CONDITIONS 69 5.6 TEST RESULTS 69 6. BANDWIDTH MEASUREMENT 70 6.1 EMISSION BANDWIDTH (EBW) 26 BANDWID PROCEDURES / LIMIT 70 6.2 OCCUPIED BANDWIDTH ( 99%) TEST APPLIED PROCEDURES / LIMIT 71 6.3 MINIMUM EMISSION BANDWIDTH(6 DB) PROCEDURES / LIMIT 72 7. MAXIMUM OUTPUT POWER 73 7.1 LIMIT 73 7.2 TEST PROCEDURE 73 7.3 DEVIATION FROM STANDARD 73 Page 4 of 79 Report No.: STS2604036W10 Table of Contents Page 7.4 TEST SETUP 73 7.5 EUT OPERATION CONDITIONS 73 7.6 TEST RESULTS 73 8. AUTOMATICALLY DISCONTINUE TRANSMISSION 74 8.1 LIMIT OF AUTOMATICALLY DISCONTINUE TRANSMISSION 74 8.2 TEST RESULT OF AUTOMATICALLY DISCONTINUE TRANSMISSION 74 9. ANTENNA REQUIREMENT 75 9.1 STANDARD REQUIREMENT 75 9.2 EUT ANTENNA 75 10. FREQUENCY STABILITY 76 10.1 LIMITS OF FREQUENCY STABILITY MEASUREMENT 76 10.2 TEST PROCEDURE 76 10.3 TEST STEUP 76 10.4 TEST RESULT 77 APPENDIX - PHOTOS OF TEST SETUP 79 Page 5 of 79 Report No.: STS2604036W10 Revision History Rev. Issue Date Report No. Effect Page Contents 00 20 Apr. 2026 STS2604036W10 ALL Initial Issue Page 6 of 79 Report No.: STS2604036W10 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: § 15.407,KDB 789033 D02 General U-NII Test Procedures New Rules v02r01 FCC Part 15.407 FCC standard Test Item Results 15.207 AC Conducted Emission PASS 15.407 (a) /15.407 (e) 26dB/6dB &99% Bandwidth PASS 15.407(a) Maximum Conducted Output Power PASS 15.407(b)/15.209 Radiated Emission And (bandedge Emissions) Measurement PASS 15.407(a) Power Spectral Density PASS 15.407(c) Automatically Discontinue Transmission PASS 15.203 Antenna Requirement PASS 15.407(g) Frequency Stability PASS Note: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020+Cor 1-2023. Page 7 of 79 Report No.: STS2604036W10 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 Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.751dB 2 Unwanted Emissions, conducted ±2.888dB 3 All emissions, radiated 9K-30MHz ±2.48dB 4 All emissions, radiated 30M-1GHz ±2.52dB 5 All emissions, radiated 1G-18GHz ±3.48dB 6 All emissions, radiated>18GHz ±4.18dB 7 Conducted Emission (9KHz-150KHz) ±2.48dB 8 Conducted Emission (150KHz-30MHz) ±2.52dB 9 Occupied Channel Bandwidth ±3.6% 10 Power Spectral Density, conducted ±1.214dB 11 Duty Cycle ±3.2% Page 8 of 79 Report No.: STS2…

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