XR3-TABULTRAePaper Tablet PC, E Ink Tablet PC, 2-in-1 Tablet PC

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:• Reorient or relocate the receiving antenna. •Increase the separation between the equipment and receiver.•Connect the equipment into an outlet on a circuit different fr om that to which the receiver is connected.•Consult the dealer or an experienced radio/TV technician for h elp. Caution: Any changes or modi fi cations to this device not explicitly approved by manufacturer could void your authority to operate this equipment.This device complies with part 15 of the FCC Rules. Operation i s subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause un desired operation. RF Exposure InformationThe device has been evaluated to meet general RF exposure requi rement. The device can be used in portable exposure condition without restriction. FCC Statement

Page 1 of 3 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. External Photos Photo 1 Photo 2 Page 2 of 3 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 3 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 ------End------

FCC ID Label Model: Tab Ultra Input: DC5V 3A FCC ID: XR3-TABULTRA This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ONYX INTERNATIONAL INC. Made in China

Page 1 of 3 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Internal Photos Photo 1 Photo 2 Antenna Page 2 of 3 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 3 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 ------End------

RF Exposure evaluation FCC ID: XR3-TABULTRA 1.1. Applicable Standard According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1093 RF exposure requirement KDB447498 v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 1.2. Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.23 “ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. WIFI(Peak) IEEE 802.11b (PEAK) Antenna 1 Frequency (MHz) 2412 2437 2462 Target (dBm) 3.5 3.5 3.5 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11g (PEAK) Antenna 1 Frequency (MHz) 2412 2437 2462 Target (dBm) 3.5 3.5 3.5 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT20 (PEAK) Antenna 1 Frequency (MHz) 2412 2437 2462 Target (dBm) 3.5 3.5 3.5 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT40 (PEAK) Antenna 1 Frequency (MHz) 2422 2437 2452 Target (dBm) 3.5 3.5 3.5 Tolerance ± (dB) 1.0 1.0 1.0 WIFI 5G Band 1 IEEE 802.11a Antenna 1 Frequency (MHz) 5180 5200 5240 5180 Target (dBm) -2 -2 -2 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT20 Antenna 1 Frequency (MHz) 5180 5200 5240 Target (dBm) -3 -3 -2 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT40 Antenna 1 Frequency (MHz) 5190 5230 Target (dBm) -3 -3 Tolerance ± (dB) 1.0 1.0 IEEE 802.11ac HT20 Antenna 1 Frequency (MHz) 5180 5200 5240 Target (dBm) -3 -3 -2 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11ac HT40 Antenna 1 Frequency (MHz) 5190 5230 Target (dBm) -3 -3 Tolerance ± (dB) 1.0 1.0 IEEE 802.11ac HT80 Antenna 1 Frequency (MHz) 5210 Target (dBm) -3 Tolerance ± (dB) 1.0 WIFI 5G Band 4 IEEE 802.11a Antenna 1 Frequency (MHz) 5745 5785 5825 5745 Target (dBm) -2 -2 -3 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT20 Antenna 1 Frequency (MHz) 5745 5785 5825 Target (dBm) -2 -2 -3 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT40 Antenna 1 Frequency (MHz) 5755 5795 Target (dBm) -2 -3 Tolerance ± (dB) 1.0 1.0 IEEE 802.11ac HT20 Antenna 1 Frequency (MHz) 5745 5785 5825 Target (dBm) -2 -2 -3 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11ac HT40 Antenna 1 Frequency (MHz) 5755 5795 Target (dBm) -2 -3 Tolerance ± (dB) 1.0 1.0 IEEE 802.11ac HT80 Antenna 1 Frequency (MHz) 5775 Target (dBm) -2 Tolerance ± (dB) 1.0 BLE GFSK 1Mbps(Peak) Channel Channel 0 Channel 19 Channel 39 Target (dBm) 3 3 3 Tolerance ±(dB) 1.0 1.0 1.0 BT GFSK 1Mbps(Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 1 2 2 Tolerance ±(dB) 1.0 1.0 1.0 π/4DQPSK 2Mbps(Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 1 2 2 Tolerance ±(dB) 1.0 1.0 1.0 8DPSK 3Mbps(Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 1 2 2 Tolerance ±(dB) 1.0 1.0 1.0 2. Evaluation Result Standalone Antenna 1 RF output power including tune up Band/Mode f (GHz) Antenna Distance (mm) dBm mW SAR Test Exclusion Threshold SAR Test Exclusion Estimated SAR BT 2.5 5 3 2.00 0.631< 3 Yes 0.0841 BLE 2.5 5 4 2.51 0.794< 3 Yes 0.1059 2.4G WIFI 2.5 5 4.5 2.82 0.891< 3 Yes 0.1188 5.2G WIFI 5.2 5 ‐1 0.79 0.362< 3 Yes 0.0483 5.8G WIFI 5.8 5 ‐1 0.79 0.383< 3 Yes 0.0510 Remark: 1. Output power including tune up tolerance; 2. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is applied to determine SAR test exclusion. 3. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06, No SAR is required. .…

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Page 1 of 38 Report No.: AIT22072901W9 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: ONYX INTERNATIONAL INC. Applicant add.: Room 101, Building 4, No. 202 Shiyu Road, Nansha District, Guangzhou City, Guangdong Province, China Manufacturer: ONYX INTERNATIONAL INC. Manufacturer add.: Room 101, Building 4, No. 202 Shiyu Road, Nansha District, Guangzhou City, Guangdong Province, China Product Information: Product Name: ePaper Tablet PC, E Ink Tablet PC, 2-in-1 Tablet PC Model No.: Tab Ultra, BOOX Tab Ultra, BOOX Tab, BOOX Tab Ultra Plus, BOOX Tab Ultra Pro, BOOX Tab Ultra C, BOOX Tab C Brand Name: BOOX FCC ID: XR3-TABULTRA Applicable standards : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: Jul. 29, 2022 Date of Test: Jul. 29, 2022~ Aug. 14, 2022 Date of Issue: Aug. 30, 2022 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited 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. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 38 Report No.: AIT22072901W9 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS.................................................................................................................................................................... 2 2 TEST SUMMARY.......................................................................................................................................................... 4 2.1 Statement of the Measurement Uncertainty .............................................................................. 4 2.2 Measurement Uncertainty .........................................................................................................4 3 TEST FACILITY............................................................................................................................................................. 5 3.1 Deviation from standard............................................................................................................ 5 3.2 Abnormalities from standard conditions .................................................................................... 5 3.3 Test Location............................................................................................................................. 5 4 GENERAL INFORMATION......................................................................................................................................... 6 4.1 Test frequencies........................................................................................................................ 7 4.2 EUT Peripheral List ................................................................................................................... 8 4.3 Test Peripheral List ................................................................................................................... 8 4.4 TEST METHODOLOGY............................................................................................................ 9 4.5 Description of Test Modes.......................................................................................................10 5 EQUIPMENT USED DURING TEST........................................................................................................................ 11 6 TEST RESULTS AND MEASUREMENT DATA.................................................................................................... 12 6.1 Antenna requirement .............................................................................................................. 12 6.2 Peak Power Measurement...................................................................................................... 13 6.3 Frequency Separation and 20 dB Bandwidth.......................................................................... 15 6.4 Number of Hopping Frequency ............................................................................................... 17 6.5 Time of Occupancy (Dwell Time) ............................................................................................ 18 6.6 Conducted Spurious Emissions and Band Edges Test ........................................................... 20 6.7 Restrict-band Band-edge Measurements ............................................................................... 22 6.8 Radiated Emissions Measurement......................................................................................... 24 6.9 Conducted Emissions .............................................................................................................34 6.10 Pseudorandom frequency hopping sequence......................................................................... 37 7 TEST SETUP PHOTOGRAPHS OF EUT................................................................................................................ 38 8 EXTERNAL PHOTOGRAPHS OF EUT................................................................................................................... 38 9 INTERNAL PHOTOGRAPHS OF EUT.................................................................................…

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AntennaTestReport Index: 1.Overview 2.RevisionHistory 3.TestItem&Equipment 4.MatchingCircuit 5.SParameterTest 6.ActiveTest 7.ConductedEmission Test 8.EnvironmentalProcessing ProjectName:Tab10 Author:yang Update:2022-6-1 ConfidentialData 2.4g/5.8g 項目概況 OverView CUSTOMERNAME 文石 PROJECTNAMETab10 ItemsDetails • • • FREQUENCY PROJECTTYPE ANTENNAMODEL • • ANTENNAmanufacturer ANTENNAtest • • ANTENNATYPE PCB Pifa •OTHERS ConfidentialData 歷史報告記錄 RevisionHistory 日期 (Date) 負責人 (Author) 更改原因 (Descriptionofchanges) 版本 (Revision) ConfidentialData TestItem&Equipment ListTestItemEquipment 1.SParameterVSWR,ReturnLossAgilentVNA 2.ActiveTestTRP,TISAgilent8960 AgilentE5071C RayZone1800 3.PassiveTestGain,Efficiency,Pattern ConfidentialData VSWR ConfidentialData PASSIVETEST（天線效率及增益） 2450MHZ3D 2021/12/29 ConfidentialData 2D 2021/12/29 ConfidentialData 3D5550MHZ 2021/12/29 ConfidentialData 2D 2021/12/29 ConfidentialData Antenna Photo

Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22072901W9 FCC ID: XR3-TABULTRA Page 1 of 61 Appendix A RF Test Data for BT(BDR/EDR) (Conducted Measurement) Product Name: ePaper Tablet PC, E Ink Tablet PC, 2-in-1 Tablet PC Trade Mark: BOOX Test Model: Tab Ultra Environmental Conditions Temperature: 25.6°C Relative Humidity: 51.2% ATM Pressure: 101Kpa Test Engineer: Simba Huang Supervised by: Seal Chen Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22072901W9 FCC ID: XR3-TABULTRA Page 2 of 61 Contents Page COVER PAGE 1 Duty Cycle ........................................................................................................................................................................................... 3 1.1 Test Result............................................................................................................................................................................... 3 1.2 Test Graphs ............................................................................................................................................................................. 4 2 Maximum Conducted Peak Output Power .......................................................................................................................................... 9 2.1 Test Result............................................................................................................................................................................... 9 2.2 Test Graphs ........................................................................................................................................................................... 10 3 20dB Bandwidth ................................................................................................................................................................................ 15 3.1 Test Result............................................................................................................................................................................. 15 3.2 Test Graphs ........................................................................................................................................................................... 16 4 Carrier Frequency Separation ........................................................................................................................................................... 21 4.1 Test Result............................................................................................................................................................................. 21 4.2 Test Graphs ........................................................................................................................................................................... 22 5 Hopping Channel Number ................................................................................................................................................................. 24 5.1 Test Result............................................................................................................................................................................. 24 5.2 Test Graphs ........................................................................................................................................................................... 25 6 Dwell Time ......................................................................................................................................................................................... 27 6.1 Test Result............................................................................................................................................................................. 27 6.2 Test Graphs ........................................................................................................................................................................... 28 7 RF Conducted Spurious Emissions ................................................................................................................................................... 31 7.1 Test Result............................................................................................................................................................................. 31 7.2 Test Graphs ........................................................................................................................................................................... 32 8 Band-edge for RF Conducted Emissions .......................................................................................................................................... 41 8.1 Test Result............................................................................................................................................................................. 41 8.2 Test Graphs ........................................................................................................................................................................... 42 9 Restrict-band band-edge measurements .......................................................................................................................................... 54 9.1 Test Result............................................................................................................................................................................. 54 9.2 Test Graphs ........................................................................................................................................................................... 56 Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22072901W9 FCC ID: XR3-TABULTRA Page 3 of 61 1 Duty Cycle 1.1 Test Result Mode Frequency (MHz) Duty Cycle (%) 1/T (kHz) 1-DH1 2402 31.2 2.63 1-DH1 2441 31.21 2.63 1-DH1 2480 31.2 2.63 2-DH1 2402 32.01 2.56 2-DH1 2441 32 2.56 2-DH1 2480 32 2.56 3-DH1 2402 3…

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Page 1 of 2 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission Page 2 of 2 FCC ID: XR3-TABULTRA Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Conducted Emission ------End------