2AU8X-ST156All-in-one Tablet

Product Descriptions Model Reference#ST156 Screen Size15.6" IPS ModeNormally Black LCD brandBOE Original Active Area344.16(H) ×193.59 (V) Resolution1920 *1080 Pixel pitch0.17925 (H) X 0.17925 (V) BrightnessEnhanced to 500Nits from original 220Nits Contrast Ratio(800:1) Aspect Ratio(16:9) Viewing Angle85/85/5/85(L/R/U/D) MTBF50,000hrs Touch Panel10‐point capacitive touch panel Surface treatmentCL Cover SocRockchip RK3399 ( 28nm HKMG Process ) CPU Six‐Core ARM 64‐bit processor, up to 2.0GHz Based on Big.Little architecture, Dual‐Core Cortex‐A72 and Quad‐Core Cortex‐A53 with separate NEON coprocessor VPU Support 4K VP9 and 4K 10bits H265/H264 video decoding, up to 60fps 1080P multi‐format video decoding (WMV, mpeg‐1/2/4, VP8) 1080P video encoding, which supports h.264, VP8 format Video post‐processor: anti‐cross, de‐noising, edge/detail/color optimization GPU ARM Mali‐T860 MP4 Quad‐Core GPU Support OpenGL ES1.1/2.0/3.0/3.1, OpenCL and DirectX 11 Support AFBC OSSUPPORT ANDROID/LINUX RAMDual‐Channel DDR3 ‐1600 (800MHz) ( 2GB Standard/4GB Optional ) Flash High‐Speed eMMC 5.1 ( 32GB Standard&Minimum/64GB/128GB Optional 256GB in testing) I/O ports 1x RJ45(POE Standard), 3 x USB 2.0 host(one can be switched to slave mode for firmware update), 1 x USB 2.0(for Optional added‐on Swipe/EMV Card Reader) , 1 xHDMI output[with anti‐loose mechanism,HDMI 2.0，up to 4K@60fps , support HDCP 1.4/2.2], 1 xHDMI input[with anti‐loose mechanism],1x SPDIF, 1 x SD card, 1 x AUX output, 1 x DC input[with anti‐loose mechanism],1 x Wi‐fi Antenna,1 x 4G Antenna, 1 x RJ45(for Walkbase Sensor], 1 x 4G SIM Card Slot（Protected with small door on back case）,1x UART(for Optional added‐on Bar code scanner Honeywell N3680) 5,000,000 pixels, fixed focus, focus range 8mm ‐∞ Standard‐Horizontal,Vertical Optional 8,000,000 pixels(Optional) Audio Built‐in stero speakers3W *2 Power input by adapterDC12V, 3.33A Power input by PoEIEEE802 3at(25.5W) / Network cable requirement: CAT‐5e or better Buttons Back control buttonsMenu(Recovery Opt), Vol+/‐, Brightness +/‐, Reset, AD Video(Full HD 1920 x 1080) AVI,H.263,H.264,VC‐1,MPEG‐2,MPEG‐4,DIVD/DIVX, Real8/9/10, RM, RMVB, PMP, FLV, MP4, M4V, VOB,WMV, 3GP, MKV,ASF, 3G2M4V, MJPEG,RV10 ImageJPG, BMP, PNG, GIF AudioMP1,MP2,MP3,WMA,OGG,AAC,M4A,FLAC,APE,AMR,RA,WAV. RJ45Ethernet 10/100/1000, support 802.1Q tagging WIFIWiFi 2.4GHz/5GHz Dual‐Band Support 802.11a/b/g/n/ac BluetoothBuilt‐in BLE 4.0 Beacon Case MaterialHigh‐quality metal case with Aluminum frame Case ColorStandard color: Cold Gray(Customized color upon request) FixationsVesa 100 x 100mm Storage Temp(‐15 ‐‐ 65 degree) Working Temp(0 ‐‐ 50 degree) Storage/Working Humidity (10 ‐‐ 90﹪ ) Dimension396.7 X 248.8 X 35.5MM Weight3.33kgs Front Camera Hardware & OS General information Touch Panel Power Media support Connectivity RK3399 15.6" Spectra Tablet with High brightness IPS panel (Model: ST156) Spec Date: 11th September, 2019 Panel Installation instructions 1.The wall hanging bracket A is fastened with the product through screws 2.The wall hanging bracket B is fastened to the wall with screws 3.The product and the wall shall be installed in AB position through the wall hanging bracket FCC Warning 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 inte rference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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 interferenceto 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 from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

SCALA Digital Technology (Ningbo) Co., LTD Agent Authorization Company: SCALA Digital Technology (Ningbo) Co., LTD Address: No. 7 Hong Da Road, Hong Tang Industrial Zone A, Jiang Bei District, Ningbo, China Product Name: All-in-one Tablet Trade Mark: STRATATACHE/SCALA Model Number(s): ST156, ST116, ST185, ST215, ST320, ST430, ST550, ST101M, ST116M, ST156M FCC ID: 2AU8X-ST156 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2020-05-21 Name: Lingling Liu Title: Coo Assistant Company: SCALA Digital Technology (Ningbo) Co., LTD

SCALA Digital Technology (Ningbo) Co., LTD Add: No. 7 Hong Da Road, Hong Tang Industrial Zone A, Jiang Bei District, Ningbo, China Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Dear Sir/Madam, We, SCALA Digital Technology (Ningbo) Co., LTD Hereby declares the following statement for FCC, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product Name: All-in-one Tablet Model Number(s): ST156, ST116, ST185, ST215, ST320, ST430, ST550, ST101M, ST116M, ST156M Signature: Date: 2020-05-21 Name: Lingling Liu Title: Coo Assistant Company: SCALA Digital Technology (Ningbo) Co., LTD

SCALA Digital Technology (Ningbo) Co., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020-05-21 Subject; Request for Confidentiality FCC ID: 2AU8X-ST156 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description Software Security Requirements For U-NII Devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Lingling Liu Title: Coo Assistant

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 1. EXTERIOR PHOTOGRAPHS Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 3 Fig. 4 Antenna SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 5 Fig. 6 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 7 Fig. 8 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 9 Fig. 10

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 _____________________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 1 of 1 LABEL AND LOCATION (Size: L5.0m x 3.0cm) Material: Tagboard Glue: adhesive sticker Font color: White Label color: Black Label Location All-in-one Tablet Model No.: ST156 FCC ID: 2AU8X-ST156 Caution: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.

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 1. INTERIOR PHOTOGRAPHS Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 3 Fig. 4 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 5 Fig. 6 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 7 Fig. 8 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 9 Fig. 10 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 11 Fig. 12 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 13 Fig. 14 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 15 Fig. 16 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 17 Fig. 18 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 19 Fig. 20 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 21 Fig. 22 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 23 Fig. 24 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Fig. 25

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD FCC ID: 2AU8X-ST156 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 11 Maximum Permissible Exposure Report 1. Product Information FCCID : 2AU8X-ST156 EUT : All-in-one Tablet Test Model : ST156 Additional Model No. : ST116, ST185, ST215, ST320, ST430, ST550, ST101M, ST116M, ST156M Model Declaration : PCB board, structure and internal of these model(s) are the same, So no additional models were tested. Power Supply : DC 12V/3.33A by AC ADAPTOR ADAPTOR INPUT: AC 100-240V, 50/60Hz, 1.1AMax Hardware Version : V1.X Software Version : A4R-ScalaST-Tab-RK3399-1.0.1-final+20191106.091858 Bluetooth : Frequency Range : 2402MHz ~ 2480MHz Channel Number : 79 channels for Bluetooth V4.0 (DSS) 40 channels for Bluetooth V4.0 (DTS) Channel Spacing : 1MHz for Bluetooth V4.0 (DSS) 2MHz for Bluetooth V4.0 (DTS) Modulation Type : GFSK, π/4-DQPSK, 8-DPSK for Bluetooth V4.0 (DSS) GFSK for Bluetooth V4.0 (DTS) Bluetooth Version : V4.0 2.4G WLAN : Frequency Range : 2412MHz ~ 2462 MHz Channel Spacing : 5MHz Channel Number : 11 channels for 20MHz bandwidth (2412~2462MHz) Modulation Type : IEEE 802.11b: DSSS (CCK,DQPSK,DBPSK); IEEE 802.11g/n: OFDM (64QAM, 16QAM, QPSK, BPSK) 5.2G WLAN : Frequency Range : 5180MHz-5240MHz Channel Number : 4 Channels for 20MHz bandwidth(5180-5240MHz) 2 channels for 40MHz bandwidth(5190~5230MHz) 1 Channels for 80MHz bandwidth(5210MHz) Modulation Type : IEEE 802.11a/n/ac: OFDM (64QAM, 16QAM, QPSK, BPSK) 5.3G WLAN Frequency Range : 5260MHz-5320MHz Channel Number : 4 channels for 20MHz bandwidth (5260-5320MHz) 2 channels for 40MHz bandwidth (5270~5310MHz) 1 channels for 80MHz bandwidth (5290MHz) Modulation Type : IEEE 802.11a/n/ac: OFDM (64QAM, 16QAM, QPSK, BPSK) 5.5G WLAN Frequency Range : 5500MHz-5700MHz SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD FCC ID: 2AU8X-ST156 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 11 Channel Number : 11 channels for 20MHz bandwidth (5500-5700MHz) 5 channels for 40MHz bandwidth (5510~5670MHz) 3 Channels for 80MHz bandwidth(5530-5690MHz) Modulation Type : IEEE 802.11a/n/ac: OFDM (64QAM, 16QAM, QPSK, BPSK) 5.8G WLAN : Frequency Range : 5745-5825MHz Channel Number : 5 channels for 20MHz bandwidth(5745-5825MHz) 2 channels for 40MHz bandwidth(5755~5795MHz) 1 channels for 80MHz bandwidth(5775MHz) Modulation Type : IEEE 802.11a/n/ac: OFDM (64QAM, 16QAM, QPSK, BPSK) Antenna Description : External Antenna, used for WIFI/Bluetooth TX/RX, 4.5dBi(Max.) Exposure category : General population/uncontrolled environment EUT Type : Production Unit Device Type : Mobile Device SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD FCC ID: 2AU8X-ST156 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 11 2. Evaluation Method Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. In accordance with KDB447498D01 for Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modelled or measured field strengths or power density, is ≤ 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Either the maximum peak or spatially averaged results from measurements or numerical simulations may be used to determine the MPE ratios. Spatial averaging does not apply when MPE is estimated using simple calculations based on far-field plane-wave equivalent conditions. The antenna installation and operating requirements for the host device must meet the minimum test separation distances required by all antennas, in both standalone and simultaneous transmission operations, to satisfy compliance. 3. Limit 3. 1 Refer evaluation method ANSI C95.1–2019: IEEE Standard for Safety Levels with Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 Hz to 300 GHz FCC KDB publication 447498 D01 General 1 RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices. 3. 2 Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD FCC ID: 2AU8X-ST156 This report shall not be reproduced except in full, without the written…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 1 of 47 Appendix A RF Test Data for BT V4.0(BDR/EDR) (Conducted Measurement) Product Name: All-in-one Tablet Trade Mark: STRATATACHE/SCALA Test Model: ST156 Environmental Conditions Temperature: 23.4  C Relative Humidity: 53.4% ATM Pressure: 100.0 kPa Test Engineer: David.Luo Supervised by: Tom.Liu A.1 Maxmum Conducted Peak Output Power Mode Channel. Maximum Peak Output Power [dBm] Limit [dBm] Verdict GFSK LCH 3.656 21 PASS MCH 2.187 21 PASS HCH 1.702 21 PASS π/4DQPSK LCH 1.372 21 PASS MCH -0.037 21 PASS HCH -1.076 21 PASS 8DPSK LCH 1.692 21 PASS MCH 0.242 21 PASS HCH -0.731 21 PASS SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 2 of 47 Test Graphs GFSK/LCH GFSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 3 of 47 GFSK/HCH π/4DQPSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 4 of 47 π/4DQPSK/MCH π/4DQPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 5 of 47 8DPSK/LCH 8DPSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 6 of 47 8DPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 7 of 47 A.2 20dB Bandwidth Mode Channel. 20dB Bandwidth [MHz] Limit [MHz] Verdict GFSK LCH 1.013 Not Specified PASS MCH 1.010 Not Specified PASS HCH 1.006 Not Specified PASS π/4DQPSK LCH 1.358 Not Specified PASS MCH 1.359 Not Specified PASS HCH 1.359 Not Specified PASS 8DPSK LCH 1.317 Not Specified PASS MCH 1.317 Not Specified PASS HCH 1.317 Not Specified PASS Test Graphs GFSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 8 of 47 GFSK/MCH GFSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 9 of 47 π/4DQPSK/LCH π/4DQPSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 10 of 47 π/4DQPSK/HCH 8DPSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 11 of 47 8DPSK/MCH 8DPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 12 of 47 A.3 Carrier Frequency Separation Mode Channel. Carrier Frequency Separation [MHz] Limit [MHz] Verdict GFSK LCH 1.294 0.675 PASS MCH 0.880 0.675 PASS HCH 0.934 0.675 PASS π/4DQPSK LCH 1.004 0.906 PASS MCH 0.986 0.906 PASS HCH 0.988 0.906 PASS 8DPSK LCH 0.970 0.878 PASS MCH 1.034 0.878 PASS HCH 1.070 0.878 PASS Test Graphs GFSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 13 of 47 GFSK/MCH GFSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 14 of 47 π/4DQPSK/LCH π/4DQPSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 15 of 47 π/4DQPSK/HCH 8DPSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 16 of 47 8DPSK/MCH 8DPSK/HCH A.4 Hopping Channel Number Mode Channel. Number of Hopping Channel [N] Limit [N] Verdict GFSK Hop 79 >=15 PASS π/4DQPSK Hop 79 >=15 PASS 8DPSK Hop 79 >=15 PASS SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 17 of 47 Test Graphs GFSK/Hop π/4DQPSK/Hop SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 18 of 47 8DPSK/Hop SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 19 of 47 A.5 Dwell Time Mode Packet Channel Burst Width [ms/hop/ch] Total Hops[hop*ch] Dwell Time[s] Limit [s] Verdict GFSK DH5 LCH 2.89 106.7 0.308 0.4 PASS DH5 MCH 2.89 106.7 0.308 0.4 PASS DH5 HCH 2.89 106.7 0.308 0.4 PASS π/4DQPSK 2DH5 LCH 2.89 106.7 0.308 0.4 PASS 2DH5 MCH 2.89 106.7 0.308 0.4 PASS 2DH5 HCH 2.89 106.7 0.308 0.4 PASS 8DPSK 3DH5 LCH 2.89 106.7 0.308 0.4 PASS 3DH5 MCH 2.89 106.7 0.308 0.4 PASS 3DH5 HCH 2.89 106.7 0.308 0.4 PASS Test Graphs GFSK_DH5/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 20 of 47 GFSK_DH5/MCH GFSK_DH5/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 21 of 47 π/4DQPSK _2DH5/LCH π/4DQPSK _2DH5/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 22 of 47 π/4DQPSK _2DH5/HCH 8DPSK _3DH5/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 23 of 47 8DPSK _3DH5/MCH 8DPSK _3DH5/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 24 of 47 A.6 RF Conducted Spurious Emissions Mode Channel Pref [dBm] Max. Level [dBm] Limit [dBm] Verdict GFSK LCH 3.538 -37.983 -16.462 PASS MCH 2.051 -37.823 -17.949 PASS HCH 1.552 -37.084 -18.448 PASS π/4DQPSK LCH -1.361 -36.864 -21.361 PASS MCH -2.706 -37.432 -22.706 PASS HCH -3.704 -37.313 -23.704 PASS 8DPSK LCH -1.206 -37.215 -21.206 PASS MCH -2.578 -38.182 -22.578 PASS HCH -3.62 -36.613 -23.620 PASS GFSK_LCH_Graphs Pref SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 25 of 47 Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 26 of 47 GFSK_MCH_Graphs Pref Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 27 of 47 GFSK_HCH_Graphs Pref Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA Page 28 of 47 π/4DQPSK_LCH_Graphs Pref Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. F…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 37 FCC TEST REPORT For SCALA Digital Technology (Ningbo) Co., LTD All-in-one Tablet Test Model: ST156 Additional Model No.: Please refer to page 6 Prepared for : SCALA Digital Technology (Ningbo) Co., LTD Address : No. 7 Hong Da Road, Hong Tang Industrial Zone A, Jiang Bei District, Ningbo, China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Shajing Street, Baoan District, Shenzhen, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : April 29, 2020 Number of tested samples : 1 Serial number : Prototype Date of Test : April 29, 2020 ~ May 14, 2020 Date of Report : May 18, 2020 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 37 FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCS191129034AEA Date of Issue .................................. : May 18, 2020 Testing Laboratory Name ............ : Shenzhen LCS Compliance Testing Laboratory Ltd. Address .......................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Shajing Street, Baoan District, Shenzhen, China Testing Location/ Procedure .......... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name ......................... : SCALA Digital Technology (Ningbo) Co., LTD Address .......................................... : No. 7 Hong Da Road, Hong Tang Industrial Zone A, Jiang Bei District, Ningbo, China Test Specification Standard ......................................... : FCC CFR 47 PART 15 C (15.247) Test Report Form No.................... : LCSEMC-1.0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. EUT Description. .......................... : All-in-one Tablet Trade Mark ..................................... : STRATATACHE/SCALA Test Model ...................................... : ST156 Ratings ........................................... : DC 12V/3.33A by AC ADAPTOR ADAPTOR INPUT: AC 100-240V, 50/60Hz, 1.1AMax Result ............................................ : Positive Compiled by: Supervised by: Approved by: Linda He / File administrators Jin Wang/ Technique principal Gavin Liang/ Manager SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 37 FCC -- TEST REPORT Test Model............................... : ST156 EUT......................................... : All-in-one Tablet Applicant............................... : SCALA Digital Technology (Ningbo) Co., LTD Address.................................. : No. 7 Hong Da Road, Hong Tang Industrial Zone A, Jiang Bei District, Ningbo, China Telephone............................... : Fax.......................................... : Manufacturer........................ : SCALA Digital Technology (Ningbo) Co., LTD Address................................... : No. 7 Hong Da Road, Hong Tang Industrial Zone A, Jiang Bei District, Ningbo, China Telephone............................... : Fax.......................................... : Factory................................... : / Address................................... : / Telephone............................... : Fax.......................................... : Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCS191129034AEA May 18, 2020 Date of issue SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 4 of 37 Revision History Revision Issue Date Revisions Revised By 000 May 18, 2020 Initial Issue Gavin Liang SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 Report No.: LCS191129034AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 5 of 37 TABLE OF CONTENTS Description .............................................................................................................................. Page 1. GENERAL INFORMATION ................................................................................................................................... 6 1.1. DESCRIPTION OF DEVICE (EUT) ........................................................................................................................ 6 1.2. HOST SYSTEM CONFIGURATION LIST AND DETAILS .......................................................................................... 7 1.3. EXTERNAL I/O CABLE ......................…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 _______________________________________________________________________________________________ 1. TEST SETUP PHOTOGRAPHS 1.1. Photo of Radiated Emissions Measurement Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AU8X-ST156 _______________________________________________________________________________________________ 1.2. Photo of Conducted Emissions Measurement Fig. 3 1.3. Photo of DFS Measurement