2AAGE5081GB486Tablet

VT-TABLET-5082 User Manual Product Version: 1.2 Date: 2021/8/18 For any question, please contact Chengdu Vantron Technology, Ltd. Copyright © Vantron Technology, Ltd. All rights reserved. Change History This document describes VT-TABLET-5082 briefly and is intended for all readers. This table describes the version and release date. No. Version Date Description Author 1 1.0 2021/4/23 First release. Deng Shan 2 1.1 2021/7/21 Update interface Kang 3 1.2 2021/8/18 Update interface,add FCC statement Shun Zhang Foreword Copyright While all information contained herein have been carefully checked to assure its accuracy in technical details and printing, Vantron assumes no responsibility resulting from any error or features of this manual, or from improper uses of this manual or the software. Please contact our technical department for relevant operation solutions if there is any problem that cannot be solved according to this manual. Vantron reserves all rights of this manual, including the right to change the content, form, product features, and specifications contained herein at any time without prior written notice. The trademarks and registered trademarks in this manual are properties of their respective owners. No part of this manual may be copied, reproduced, translated or sold. No changes or other purposes are permitted without the prior written consent of Vantron. Vantron reserves the right of all publicly-released copies of this manual. Symbol Conventions The symbols that may be found in this document are defined as follows. Symbol Type Description Notice Important information and regulations Caution Caution for latent damage to system or harm to personnel Statement & Disclaimer It is recommended to read and comply with this manual before operating VT-TABLET-5082 which provides important guidance and helps decreasing the danger of injury, electric shock, fire, or any damage to the device. Vantron assumes no legal liability of accidents resulting from failure of conforming to the safety instructions. Limitation of Liability/Non-warranty For direct or indirect damage to this device or other devices of Vantron caused by failure of conforming to this manual or the safety instructions on device label, Vantron assumes neither warranty nor legal liability even if the device is still under warranty. VT-TABLET-5082 should be installed, debugged and maintained by professionals. The outside antennas are not permitted to be installed or to be changed by non-professionals. To run the device normally, only specified antennas are approved to be assembled together by professionals. Unit shall be used with indoor-use antenna only. No antenna for this unit can be installed outdoor. Safety Instructions  Keep and comply with all operation instructions, warnings, and information.  Pay attention to warnings on this device.  Read the following precautions so as to decrease the danger of injury, electric shock, fire, or any damage to the device.  Operations and service instructions are provided with the equipment.  Unit shall be used with indoor-use antenna only. No antenna for this unit can be installed outdoor.  The maximum operation temperature is 40°C. Precautions  Pay attention to the product labels/safety instructions printed on silk screens.  Do not try repairing this product unless declared in this manual.  Keep away from heat source, such as heater, heat dissipater, or engine casing.  Do not insert other items into the slot (if any) of this device. ◆ Ensure ventilation of the ventilation slot. ◆ System fault may arise if other items are inserted into this device.  Installation: ensure correct installation according to instructions from the manufacturer with recommended installation tools.  Ensure ventilation and smoothness according to relevant ventilation standards. Safety Instructions for Power Cables and Accessories Use Proper power source only. Start only with power source that satisfies voltage label and the voltage necessary according to this manual. Please contact technical support personnel of Vantron for any uncertainty about the requirements of necessary power source. Use tested power source. This product still contains a button lithium battery as a real-time clock after its external power source is removed and therefore should not be short-circuited during transportation or placed under high temperature. Place cables properly: Do not place cables at any place with extrusion danger. Cleaning Instructions  Please power off before cleaning the device.  Do not use spray detergent.  Clean with a damp cloth.  Do not try cleaning exposed electronic components unless with a dust collector.  Support for special fault: Power off and contact technical support personnel of Vantron in case of the following faults: ⚫ The device is damaged. ⚫ The temperature is excessively high. ⚫ Fault is still not solved after operations according to the manual. Contents 1. OVERVIEW ................................................................................................................................................................................ 1 1.1 Introduction ...................................................................................................................... 1 1.2 Order Information ............................................................................................................. 2 2. VT-TABLET-5082 HARDWARE INSTRUCTIONS ..................................................................................................................... 3 2.1 Product Appearance ........................................................................................................ 3 2.2 Specifications ................................................................................................................... 5 2.3 Buttons ............................................................................................................................. 6 2.4 Interface Descrip…

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External Photographs Page 2 of 3 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Page 3 of 3 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. .

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Internal Photographs Page 2 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. NFC ANT Page 3 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. WIFI ANT 1 WIFI ANT 2 & BT ANT LTE ANT 1 LTE ANT 4 LTE ANT 2 LTE ANT 3 Page 4 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Page 5 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Page 6 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Page 7 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Page 8 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Page 9 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Page 10 of 10 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch.

UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL- F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. SAR EVALUATION REPORT FCC 47 CFR § 2.1093 IEEE Std. 1528-2013 For Tablet FCC ID: 2AAGE5081GB486 Model: VT-TABLET-5082G(LTE version) Report Number: 4789999654-SAR-1 Issue Date: September 15, 2021 Prepared for Chengdu Vantron Technology Co., Ltd. No.5 GaoPeng Road, Hi-Tech Zone, Chengdu, SiChuan, P.R. China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi-Tech Development Zone Dongguan, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4789999654-SAR-1 Page 2 of 44 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Revision History Rev. Issue Date Revisions Revised By V0 09/15/2021 Initial Issue Note: 1.This test report is only published to and used by the applicant, and it is not for evidence purpose in China. 2. The measurement result for the sample received is <Pass> according to < IEEE Std. 1528>when <Accuracy Method> decision rule is applied. REPORT NO.: 4789999654-SAR-1 Page 3 of 44 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Table of Contents 1. Attestation of Test Results ......................................................................................................... 5 2. Test Specification, Methods and Procedures ............................................................................ 6 3. Facilities and Accreditation ........................................................................................................ 7 4. SAR Measurement System & Test Equipment .......................................................................... 8 4.1. SAR Measurement System .................................................................................................... 8 4.2. SAR Scan Procedures ........................................................................................................... 9 4.3. Test Equipment .................................................................................................................... 11 5. Measurement Uncertainty ......................................................................................................... 12 6. Device Under Test (DUT) Information ...................................................................................... 13 6.1. DUT Description .................................................................................................................. 13 6.2. Wireless Technology............................................................................................................ 13 7. Conducted Output Power Measurement and tune-up tolerance ............................................ 14 7.1. Power measurement result of LTE B48................................................................................ 14 7.2. Power measurement result of 2.4GHz Wi-Fi. ....................................................................... 15 7.3. Power measurement result of 5GHz Wi-Fi (U-NII-1). ........................................................... 16 7.5. Power measurement result of 5GHz Wi-Fi (U-NII-3). ........................................................... 17 7.6. Power measurement result Bluetooth .................................................................................. 17 7.7. Duty Cycle ........................................................................................................................... 18 8. Test Configuration .................................................................................................................... 20 8.1. LTE (TDD) Test Configuration ............................................................................................. 20 8.2. Wi-Fi Test Configuration ...................................................................................................... 22 8.2.1. Initial Test Position Procedure ...................................................................................... 22 8.2.2. Initial Test Configuration Procedure .............................................................................. 22 8.2.3. Sub Test Configuration Procedure ................................................................................ 22 8.2.4. 2.4GHz Wi-Fi SAR Test Procedures ............................................................................. 22 9. RF Exposure Conditions ........................................................................................................... 24 10. Dielectric Property Measurements & System Check .............................................................. 32 10.1. Dielectric Property Measurements .................................................................................... 32 10.2. System Check .................................................................................................................. 34 REPORT NO.: 4789999654-SAR-1 Page 4 of 44 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 11. Measured and Reported (Scaled) SAR Results ....................................................................... 36 11.1. SAR Test Results of LTE B48. ....................…

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1 | Page Appendix A Photo Sample Front view Rear view 2 | Page Test position Top Edge (0mm) Back surface(0mm) Left Edge(0mm) Right Edge(0mm) 3 | Page Antenna location diagram Note: Only antenna 2 can be used as transmitting/receiving antenna. Other antennas only can be used as receiving antenna. 2 x WiFi & BT ANTWIFI Freq: 2412MHz~2462MHz, 5150MHz~5350MHz, 5725MHz~5825MHz BT Freq: 2402MHz~2480MHz 4 x LTE ANTBand 48 Freq: 3552.2MHz ~ 3697.5MHz

Date: 2021/8/26 System Performance Check 2450MHz Communication System: UID 0, CW (0); Communication System Band: D2450 (2450.0 MHz); Frequency: 2450 MHz; Medium parameters used: f = 2450 MHz; σ = 1.83 S/m; ε r = 40.8; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(7.75, 7.75, 7.75); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (5x6x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 7.80 W/kg Configuration/Body/Zoom Scan (7x7x5)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 55.53 V/m; Power Drift = -0.03 dB Peak SAR (extrapolated) = 10.6 W/kg SAR(1 g) = 5.13 W/kg; SAR(10 g) = 2.42 W/kg Maximum value of SAR (measured) = 8.55 W/kg 0 dB = 7.80 W/kg = 8.92 dBW/kg Date: 2021/8/30 System Performance Check-3500MHz Communication System: UID 0, CW (0); Communication System Band: D3500 (3500.0 MHz); Frequency: 3500 MHz; Medium parameters used: f = 3500 MHz; σ = 2.82 S/m; ε r = 39.05; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(6.95, 6.95, 6.95); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 23.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Head D4200/Area Scan (7x7x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 11.9 W/kg Configuration/Head D4200/Zoom Scan (7x7x11mm, graded), dist=3mm (8x8x6)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 55.34 V/m; Power Drift = 0.09 dB Peak SAR (extrapolated) = 16.4 W/kg SAR(1 g) = 6.2 W/kg; SAR(10 g) = 2.4 W/kg Maximum value of SAR (measured) = 11.7 W/kg 0 dB = 11.9 W/kg = 10.76 dBW/kg Date: 2021/8/30 System Performance Check-D3700Hz_3700MHz Communication System: UID 0, CW (0); Communication System Band: D3700 (3700.0 MHz); Frequency: 3700 MHz; Medium parameters used: f = 3700 MHz; σ = 3.05 S/m; ε r = 38.7; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(6.7, 6.7, 6.7); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (5x6x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 11.8 W/kg Configuration/Body/Zoom Scan (7x7x5)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 51.59 V/m; Power Drift = -0.17 dB Peak SAR (extrapolated) = 17.7 W/kg SAR(1 g) = 6.61 W/kg; SAR(10 g) = 2.47 W/kg Maximum value of SAR (measured) = 12.9 W/kg 0 dB = 12.9 W/kg = 11.11 dBW/kg Date: 2021/8/27 System Performance Check-D5GHz_5250MHz Communication System: UID 0, CW (0); Communication System Band: D5GHz (5000.0 - 6000.0 MHz); Frequency: 5250 MHz; Medium parameters used: f = 5250 MHz; σ = 4.67 S/m; ε r = 35.9; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(5.68, 5.68, 5.68); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) • • System Performance Check with D5GHzV2 Dipole (graded grid)/d=10mm, Pin=100mW, f=5250 MHz/Area Scan (6x6x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 15.4 W/kg System Performance Check with D5GHzV2 Dipole (graded grid)/d=10mm, Pin=100mW, f=5250 MHz/Zoom Scan (4x4x1.4mm, graded), dist=1.4mm (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 64.83 V/m; Power Drift = -0.11 dB Peak SAR (extrapolated) = 32.2 W/kg SAR(1 g) = 7.76 W/kg; SAR(10 g) = 2.2 W/kg Maximum value of SAR (measured) = 18.0 W/kg 0 dB = 15.4 W/kg = 11.88 dBW/kg Date: 2021/8/27 System Performance Check-D5GHz_5750MHz Communication System: UID 0, CW (0); Communication System Band: D5GHz (5000.0 - 6000.0 MHz); Frequency: 5750 MHz; Medium parameters used: f = 5750 MHz; σ = 5.14 S/m; ε r = 35.2; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(5.12, 5.12, 5.12); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) System Performance Check with D5GHzV2 Dipole (graded grid)/d=10mm, Pin=100mW, f=5750 MHz/Area Scan (6x6x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 15.6 W/kg System Performance Check with D5GHzV2 Dipole (graded grid)/d=10mm, Pin=100mW, f=5750 MHz/Zoom Scan (4x4x1.4mm, graded), dist=1.4mm (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 62.07 V/m; Power Drift = 0.15 dB Peak SAR (extrapolated) = 35.5 W/kg SAR(1 g) = 7.64 W/kg; SAR(10 g) = 2.13 W/kg Maximum value of SAR (measured) = 19.0 W/kg 0 dB = 15.6 W/kg = 11.93 dBW/kg

Date: 2021/8/26 Vantron WIFI 2.4G 802.11b 2412_Left side 0mm Ant 1 Communication System: UID 0, 2.45GHz Wi-Fi (0); Communication System Band: ISM 2.4GHz; Frequency: 2412 MHz; Medium parameters used (interpolated): f = 2412 MHz; σ = 1.8 S/m; ε r = 40.876; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(7.75, 7.75, 7.75); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (6x15x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.962 W/kg Configuration/Body/Zoom Scan (7x7x4)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 21.39 V/m; Power Drift = 0.02 dB Peak SAR (extrapolated) = 1.38 W/kg SAR(1 g) = 0.689 W/kg; SAR(10 g) = 0.326 W/kg Maximum value of SAR (measured) = 1.11 W/kg 0 dB = 0.962 W/kg = -0.17 dBW/kg Date: 2021/8/26 Vantron WIFI 2.4G 802.11b 2412_Right side 0mm Ant 2 Communication System: UID 0, 2.45GHz Wi-Fi (0); Communication System Band: ISM 2.4GHz; Frequency: 2412 MHz; Medium parameters used (interpolated): f = 2412 MHz; σ = 1.8 S/m; ε r = 40.876; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(7.75, 7.75, 7.75); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (6x13x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.983 W/kg Configuration/Body/Zoom Scan (7x7x4)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 23.65 V/m; Power Drift = 0.11 dB Peak SAR (extrapolated) = 1.42 W/kg SAR(1 g) = 0.679 W/kg; SAR(10 g) = 0.303 W/kg Maximum value of SAR (measured) = 1.14 W/kg 0 dB = 0.983 W/kg = -0.07 dBW/kg Date: 2021/8/27 Vantron WIFI 5G 802.11a 5240_Left side 0mm Ant 1 Communication System: UID 0, 5GHz Wi-Fi (0); Communication System Band: 5G Band(5030.0 - 5825.0 MHz); Frequency: 5240 MHz; Medium parameters used: f = 5200 MHz; σ = 4.62 S/m; ε r = 36; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(5.68, 5.68, 5.68); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (7x18x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.22 W/kg Configuration/Body/Zoom Scan (8x8x5)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=4mm Reference Value = 17.13 V/m; Power Drift = 0.11 dB Peak SAR (extrapolated) = 2.99 W/kg SAR(1 g) = 0.759 W/kg; SAR(10 g) = 0.223 W/kg Maximum value of SAR (measured) = 1.88 W/kg 0 dB = 1.22 W/kg = 0.86 dBW/kg Date: 2021/8/27 Vantron WIFI 5G 802.11a 5200_Right side 0mm Ant 2 Communication System: UID 0, 5GHz Wi-Fi (0); Communication System Band: 5G Band(5030.0 - 5825.0 MHz); Frequency: 5200 MHz; Medium parameters used: f = 5200 MHz; σ = 4.62 S/m; ε r = 36; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(5.68, 5.68, 5.68); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (7x18x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.16 W/kg Configuration/Body/Zoom Scan (8x8x5)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=4mm Reference Value = 13.12 V/m; Power Drift = 0.13 dB Peak SAR (extrapolated) = 2.57 W/kg SAR(1 g) = 0.701 W/kg; SAR(10 g) = 0.235 W/kg Maximum value of SAR (measured) = 1.57 W/kg 0 dB = 1.16 W/kg = 0.64 dBW/kg Date: 2021/8/27 Vantron WIFI 5G 802.11a 5825_Left side 0mm Ant 1 Communication System: UID 0, 5GHz Wi-Fi (0); Communication System Band: 5G Band(5030.0 - 5825.0 MHz); Frequency: 5825 MHz; Medium parameters used: f = 5800 MHz; σ = 5.25 S/m; ε r = 35; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(5.12, 5.12, 5.12); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (7x18x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.96 W/kg Configuration/Body/Zoom Scan (8x8x5)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=4mm Reference Value = 19.06 V/m; Power Drift = 0.14 dB Peak SAR (extrapolated) = 3.35 W/kg SAR(1 g) = 0.745 W/kg; SAR(10 g) = 0.201 W/kg Maximum value of SAR (measured) = 1.89 W/kg 0 dB = 1.96 W/kg = 2.92 dBW/kg Date: 2021/8/27 Vantron WIFI 5G 802.11a 5785_Right side 0mm Ant 2 Communication System: UID 0, 5GHz Wi-Fi (0); Communication System Band: 5G Band(5030.0 - 5825.0 MHz); Frequency: 5785 MHz; Medium parameters used: f = 5800 MHz; σ = 5.25 S/m; ε r = 35; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(5.12, 5.12, 5.12); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2021/4/9 • Phantom: SAM; Type: QD000P40CD; Serial: 1805 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (7x18x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.60 W/kg Configuration/Body/Zoom Scan (8x8x5)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=4mm Reference Value = 17.03 V/m; Power Drift = 0.05 dB Peak SAR (extrapolated) = 2.93 W/kg SAR(1 g) = 0.711 W…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C CERTIFICATION TEST REPORT For Tablet MODEL NUMBER: VT-TABLET-5082G FCC ID: 2AAGE5081GB486 REPORT NUMBER: 4789999654.1-2 ISSUE DATE: September 15, 2021 Prepared for Chengdu Vantron Technology Co., Ltd. No.5 GaoPeng Road, Hi-Tech Zone, Chengdu, SiChuan, P.R. China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4789999654.1-2 Page 2 of 95 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0086 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 09/15/2021 Initial Issue REPORT NO.: 4789999654.1-2 Page 3 of 95 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0086 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Clause Test Items FCC Rules Test Results 1 20dB Bandwidth and 99% Occupied Bandwidth FCC 15.247 (a) (1) Pass 2 Conducted Output Power FCC 15.247 (b) (1) Pass 3 Carrier Hopping Channel Separation FCC 15.247 (a) (1) Pass 4 Number of Hopping Frequency 15.247 (a) (1) III Pass 5 Time of Occupancy (Dwell Time) 15.247 (a) (1) III Pass 6 Conducted Bandedge FCC 15.247 (d) Pass 7 Radiated Bandedge and Spurious FCC 15.247 (d) FCC 15.209 FCC 15.205 Pass 8 Conducted Emission Test for AC Power Port FCC 15.207 Pass 9 Antenna Requirement FCC 15.203 Pass Note: 1.This test report is only published to and used by the applicant, and it is not for evidence purpose in China. 2. The measurement result for the sample received is <Pass> according to < CFR 47 FCC PART 15 SUBPART C >when <Accuracy Method> decision rule is applied. REPORT NO.: 4789999654.1-2 Page 4 of 95 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0086 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 6 2. TEST METHODOLOGY ..................................................................................................... 7 3. FACILITIES AND ACCREDITATION ................................................................................. 7 4. CALIBRATION AND UNCERTAINTY ................................................................................ 8 4.1. MEASURING INSTRUMENT CALIBRATION .............................................................. 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................... 8 5. EQUIPMENT UNDER TEST .........…

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