2A5M7-IN-TVH4KSmart Electronic Blackboard

Manual for Smart electronic blackboard Dear clients, because the machine has many functions, in order to use it fully and effectively , please read the manual carefully.The content of this document may not fully reflect the latest machine changes, please refer to the actual product. Safety warning instructions Please read and understand the following precautions carefully before using this product. * The machine should be placed in environment that does not hinder good ventilation. * Do not place the machine on an unstable, underweight cart/shelf or table. * The machine must be firmly fixed on the wall by professionals. * I Class product (usually equipped with three-core power cord, needs to be grounded) should be connected to the grid power output socket with a protective ground connection. * The terminals marked with are dangerously, and the external wires connected to these terminals need to be installed by instructed personnel or use ready-made leads and flexible wires. * The battery must not be exposed to such as sunlight, fire or similar overheating environment.To protect environment, used batteries should be disposed of in accordance with the recycling implemented in the region. * Before connecting the machine to external AC power supply,please ensure that the grounding is good, otherwise the product touch may be out of control and affect user experience. Safety symbol If there are the following safety symbols on the machine, you should pay attention: Only suitable for safe use in areas below 2000m above sea level Only suitable for safe use in non-tropical climate conditions Contents Safety warning instructions........................................................ 2 Contents........................................................................ 3 Precautions for use ............................................................. 4 Product Function introduction ................................................... 5 Connection instruction .......................................................... 7 Remote controller instruction ................................................... 8 System operation instructions ................................................... 9 Simple troubleshooting ......................................................... 24 Daily maintenance .............................................................. 25 Environmental Precautions and Instructions ..................................... 26 4 Precautions for use 5 1、Product function introduction Smart electronic blackboard is an intelligent interactive teaching device,which integrates nano- touch, LED display and computer host, high-definition camera and array microphone. coversfunctions: touch interaction, micro-lecture recording, multimedia teaching and chalk writing, seamlessly connecting traditional teaching and smart blackboards. The surface is made of anti-glare nano-glass, which has the characteristics of dustproof, waterproof, shockproof and anti-blue light. It meets the needs of high dust, high safety protection, and high frequency operation in the teaching environment. It is the latest generation of intelligent education information equipment. 1. Features ¾ Built-in OPS-C standard PC module ¾ Common front interface and button ¾ One-key restore function of front buttons ¾ Five fingers press to turn off the backlight / turn on the backlight ¾ Three fingers press the screen to follow the floating menu ¾ Gesture swipe to appear the central control menu ¾ Channel preview and custom functions ¾ Intelligent temperature control function ¾ Intelligent eye protection function ¾ Smart child lock and U disk lock function ¾ Smart power off setting function ¾ Anti-blue light function ¾ Gesture occlusion function ¾ Intelligent photosensitive function ¾ NFC swipe card switch function ¾ One-key recording function for all channels ¾ One-key down function for all channels ¾ Wireless screen projection function ¾ Intelligent network identification function: only need to connect a network cable to realize Android/OPS dual system network connection ¾ Built-in 8 million pixel high-definition booth (optional) 6 2. Front interface 1 Type C Data reading, charging 2 USB USB3.0 interface (dual channel) 3 USB USB3.0 interface (dual channel) 4 TOUCH Front touch interface 5 HDMI Front HD input interface 3. Front button function 1 One-key recording: short press to start recording, short press again to pause recording; long press to stop recording 2 adjustment / call up the central control menu (long press) 3 Control signal source switching/child lock (long press) 4 Press the button to select the control channel,long press the button for 3 seconds to lock the machine, long press again for 3 seconds to unlock. 5 Press the button to switch the image mode,long press the button for 3 seconds to call up the central control menu. 6 Press the button to switch Android/Windows dual system, long press the button for 3 second, the display ratio (4:3/16:9) can be switched. 7 Short press it to turn on when power off,short press for energy saving screen when power on, short press again to turn on the backlight, when power on, long press for 3 seconds to power off. 7 2、Device connection instruction 2.1． External computer connected to the interactive flat panel ‹ Use HDMI cable to connect external computer to the front HDMI port at the bottom of panel. ‹ Use USB cable to connect USB port of external computer to the front USB-Touch port at the bottom of panel. ‹ After the connection is completed, open panel and computer, use remote control or touch the menu to select the corresponding signal source. ‹ Follow the on-screen display to confirm the signal source. When connecting to an external computer, set the best resolution to 3840*2160 (some cables need to be provided by users) 2.2．PC display output connection of the panel ‹ Connect to a projection or panel through DP (or VGA) and HDMI output port on the PC. 8 3、Remote controller instruction 1. Function…

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CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-4-16> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A5M7-IN-TVH4K IN-TVH4K For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Henk de Groot Henk/Managing Director Company: Indota BV Address: Romestraat 1, 9403DT ASSEN, The Netherlands Phone: +31 592 201 351 Fax: +31 592 201 351 E-Mail: [email protected]

Indota BV Romestraat 1, 9403DT ASSEN, The Netherlands Date: 2022-4-16 FCC ID: 2A5M7-IN-TVH4K Model Number: IN-TVH4K To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To Whom It May Concern, We, Indota BV, declare that this EUT (FCC ID: 2A5M7-IN-TVH4K) doesn’t have Ad Hoc mode function on “non-US/Canada frequencies”. In addition. The frequency selection feature is disabled by firmware for devices marked to the US/Canada. For DTS part of this device, only channels 1-11 will be used in North America, Country code selection is disabled. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, Name/Title： Henk de Groot Henk/Managing Director Company: Indota BV Address: Romestraat 1, 9403DT ASSEN, The Netherlands Phone: +31 592 201 351 Fax: +31 592 201 351 E-Mail: [email protected]

Page 1 of 3 FCC ID: 2A5M7-IN-TVH4K 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: 2A5M7-IN-TVH4K 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: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 ------End------

Label

Page 1 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Internal Photos Photo 1 Photo 2 Antenna Location Page 2 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Antenna 2 WiFi(WiFi_2 module) Antenna 1 WiFi(WiFi_2 module) Antenna 3 BT(WiFi_2 module) Antenna 1 WiFi(WiFi_1 module) Page 3 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 Page 4 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 Photo 8 Page 5 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 9 Photo 10 WiFi_1 module WiFi_2 module Page 6 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 11 Photo 12 Page 7 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 13 Photo 14 Page 8 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 15 Photo 16 Page 9 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 17 Photo 18 Page 10 of 10 FCC ID: 2A5M7-IN-TVH4K Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 19 ------End------

RF Exposure evaluation FCC ID: 2A5M7-IN-TVH4K Exposure category: General population/uncontrolled environment EUT Type: Production Unit Device Type: Mobile Device 1. Reference 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 §2.1091 RF exposure is calculated. KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 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 3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna 4. Antenna Information Only use antennas certificated as follows provided by manufacturer; Antenna No. Model No. of antenna: Type of antenna: Gain of the antenna (Max.) Frequency range: 2.4GWIFI / PIFA Antenna 4.5dBi for 2412-2462MHz for Ant1&2 2.4GWIFI module 2 / PIFA Antenna 4.5dBi for 2412-2462MHz BLE / PIFA Antenna 4.5dBi for 2402-2480MHz; 5GWIFI / PIFA Antenna 4.5dBi for 5180-5825MHz for Ant1&2 5. Manufacturing Tolerance WIFI(Peak) for WiFi_2 module IEEE 802.11b (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2412 2437 2462 2412 2437 2462 Target (dBm) 16 16 16 / / / Tolerance ± (dB) 1.0 1.0 1.0 / / / IEEE 802.11g (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2412 2437 2462 2412 2437 2462 Target (dBm) 15 15 15 / / / Tolerance ± (dB) 1.0 1.0 1.0 / / / IEEE 802.11n HT20 (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2412 2437 2462 2412 2437 2462 Target (dBm) 12 12 12 / / / Tolerance ± (dB) 1.0 1.0 1.0 / / / IEEE 802.11n HT40 (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2422 2437 2452 2422 2437 2452 Target (dBm) 12 12 12 / / / Tolerance ± (dB) 1.0 1.0 1.0 / / / WIFI(Peak) for WiFi_2 module IEEE 802.11b (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2412 2437 2462 2412 2437 2462 Target (dBm) 15 15 15 14 14 14 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11g (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2412 2437 2462 2412 2437 2462 Target (dBm) 14 14 14 14 14 14 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT20 (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2412 2437 2462 2412 2437 2462 Target (dBm) 11 11 11 11 11 11 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT40 (PEAK) Frequency (MHz) Antenna 1 Antenna 2 2422 2437 2452 2422 2437 2452 Target (dBm) 12 12 12 10 10 10 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 WIFI 5G Band 1 IEEE 802.11a Frequency (MHz) Antenna 1 Antenna 2 5180 5200 5240 5180 5200 5240 Target (dBm) 15 15 15 14 14 14 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT20 Frequency (MHz) Antenna 1 Antenna 2 5180 5200 5240 5180 5200 5240 Target (dBm) 11 11 11 11 11 11 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT40 Frequency (MHz) Antenna 1 Antenna 2 5190 5230 / 5190 5230 / Target (dBm) 11 11 / 11 11 / Tolerance ± (dB) 1.0 1.0 / 1.0 1.0 / IEEE 802.11ac HT20 Frequency (MHz) Antenna 1 Antenna 2 5180 5200 5240 5180 5200 5240 Target (dBm) 11 11 11 11 11 11 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11ac HT40 Frequency (MHz) Antenna 1 Antenna 2 5190 5230 / 5190 5230 / Target (dBm) 11 11 / 11 11 / Tolerance ± (dB) 1.0 1.0 / 1.0 1.0 / IEEE 802.11ac HT80 Frequency (MHz) Antenna 1 Antenna 2 5210 / / 5210 / / Target (dBm) 11 / / 11 / / Tolerance ± (dB) 1.0 / / 1.0 / / WIFI 5G Band 2 IEEE 802.11a Frequency (MHz) Antenna 1 Antenna 2 5260 5280 5320 5260 5280 5320 Target (dBm) 15 15 15 14 14 14 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT20 Frequency (MHz) Antenna 1 Antenna 2 / 5280 5320 / 5280 5320 Target (dBm) / 11 11 / 11 11 Tolerance ± (dB) / 1.0 1.0 / 1.0 1.0 IEEE 802.11n HT40 Frequency (MHz) Antenna 1 Antenna 2 5270 5310 / 5270 5310 / Target (dBm) 11 11 / 11 11 / Tolerance ± (dB) 1.0 1.0 / 1.0 1.0 / IEEE 802.11ac HT20 Frequency (MHz) Antenna 1 Antenna 2 / 5280 5320 / 5280 5320 Target (dBm) / 11 11 / 11 11 Tolerance ± (dB) / 1.0 1.0 / 1.0 1.0 IEEE 802.11ac HT40 Frequency (MHz) Antenna 1 Antenna 2 5270 5310 / 5270 5310 / Target (dBm) 11 11 / 11 11 / Tolerance ± (dB) 1.0 1.0 / 1.0 1.0 / IEEE 802.11ac HT80 Frequency (MHz) Antenna 1 Antenna 2 5290 / / 5290 / / Target (dBm) 11 / / 11 / / Tolerance ± (dB) 1.0 / / 1.0 / / WIFI 5G Band 3 IEEE 802.11a Frequency (MHz) Antenna 1 Antenna 2 5500 5600 5700 5500 5600 5700 Target (dBm) 14 14 14 14 14 14 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT20 Frequency (MHz) Antenna 1 Antenna 2 5500 5600 5700 5500 5600 5700 Target (dBm) 11 11 11 11 11 11 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11n HT40 Frequency (MHz) Antenna 1 Antenna 2 5510 5670 / 5510 5670 / Target (dBm) 11 11 / 11 11 / Tolerance ± (dB) 1.0 1.0 / 1.0 1.0 / IEEE 802.11ac HT20 Frequency (MHz) Antenna 1 Antenna 2 5500 5600 5700 5500 5600 5700 Target (dBm) 11 11 11 11 11 11 Tolerance ± (dB) 1.0 1.0 1.0 1.0 1.0 1.0 IEEE 802.11ac HT40 Frequency (MHz) Antenna 1 Antenna 2 5510 5670 / 5510 5670 / Target (dBm) 11 11 / 11 11 / Tolerance ± (dB) 1.0 1.0 / 1.0 1.0…

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Page 1 of 36 Report No.: AIT22021608W2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: Indota BV Applicant add.: Romestraat 1,9403DT ASSEN,The Netherlands Manufacturer: Indota BV Manufacturer add.: Romestraat 1,9403DT ASSEN,The Netherlands Product Information: Product Name: Smart Electronic Blackboard Model No.: IN-TVH4K Brand Name: INDOTA FCC ID: 2A5M7-IN-TVH4K 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: Feb. 16, 2022 Date of Test: Feb. 22~Mar. 10, 2022 Date of Issue: Mar. 11, 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 36 Report No.: AIT22021608W2 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 ..................................................................................................................... 7 4.3 Test Peripheral List ...................................................................................................................... 7 4.4 TEST METHODOLOGY .............................................................................................................. 8 4.5 Description of Test Modes ........................................................................................................... 9 5 EQUIPMENT USED DURING TEST ........................................................................................................................ 10 6 TEST RESULTS AND MEASUREMENT DATA .................................................................................................... 11 6.1 Antenna requirement ................................................................................................................. 11 6.2 On Time and Duty Cycle ........................................................................................................... 12 6.3 Maximum Conducted Output Peak Power Measurement ......................................................... 13 6.4 6 dB Spectrum Bandwidth Measurement .................................................................................. 15 6.5 Power Spectral Density ............................................................................................................. 16 6.6 Conducted Spurious Emissions and Band Edges Test ............................................................. 18 6.7 Restrict-band Band-edge Measurements ................................................................................. 20 6.8 Radiated Emissions Measurement ........................................................................................... 23 6.9 Conducted Emissions ................................................................................................................ 33 7 TEST SETUP PHOTOGRAPHS OF EUT ................................................................................................................ 36 8 EXTERNAL PHOTOGRAPHS OF EUT ................................................................................................................... 36 9 INTERNAL PHOTOGRAPHS OF EUT .................................................................................................................... 36 Page 3 of 36 Report No.: AIT22021608W2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Revision History Revision Issue Date Revisions Revised By 000 Mar. 11, 2022 Initial Issue Seal Chen Page 4 of 36 Report No.: AIT22021608W2 Don…

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Page 1 of 41 Report No.: AIT22021608W3 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: Indota BV Applicant add.: Romestraat 1,9403DT ASSEN,The Netherlands Manufacturer: Indota BV Manufacturer add.: Romestraat 1,9403DT ASSEN,The Netherlands Product Information: Product Name: Smart Electronic Blackboard Model No.: IN-TVH4K Brand Name: INDOTA FCC ID: 2A5M7-IN-TVH4K 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: Feb. 16, 2022 Date of Test: Feb. 22~Mar. 10, 2022 Date of Issue: Mar. 11, 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 41 Report No.: AIT22021608W3 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 .......................................................................................................................................................... 5 2.1 Statement of the Measurement Uncertainty ............................................................................... 5 2.2 Measurement Uncertainty .......................................................................................................... 5 3 TEST FACILITY ............................................................................................................................................................. 6 3.1 Deviation from standard ............................................................................................................. 6 3.2 Abnormalities from standard conditions ..................................................................................... 6 3.3 Test Location .............................................................................................................................. 6 4 GENERAL INFORMATION ......................................................................................................................................... 7 4.1 Test frequencies ......................................................................................................................... 8 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 6.1.1 Standard requirement: ...................................................................................................... 12 6.1.2 EUT Antenna: ................................................................................................................... 12 6.2 On Time and Duty Cycle .......................................................................................................... 13 6.2.1 Standard requirement: ...................................................................................................... 13 6.2.2 Measuring Instruments and Setting: ................................................................................ 13 6.2.3 Test Procedures ............................................................................................................... 13 6.2.4 Test Setup Layout ............................................................................................................ 13 6.2.5 EUT Operation during Test ............................................................................................... 13 6.2.6 Test result ......................................................................................................................... 13 6.3 Maximum Conducted Output Peak Power Measurement ........................................................ 14 6.3.1 Standard requirement: ...................................................................................................... 14 6.3.2 Measuring Instruments: .................................................................................................... 14 6.3.3 Test Procedures: .............................................................................................................. 14 6.3.4 Test Setup Layout ....................................…

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Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22021608W2 FCC ID: 2A5M7-IN-TVH4K Page 1 of 23 Appendix B RF Test Data for BT (BLE) (Conducted Measurement) Product Name: Smart Electronic Blackboard Trade Mark: INDOTA Test Model: IN-TVH4K Environmental Conditions Temperature: 25.3 C Relative Humidity: 52.2% ATM Pressure: 100.0 kPa Test Engineer: Simba Huang Supervised by: Seal Chen Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22021608W2 FCC ID: 2A5M7-IN-TVH4K Page 2 of 23 Contents Page COVER PAGE 1 Duty Cycle....................................................................................................................................................................................... 3 1.1 Test Result .......................................................................................................................................................................... 3 1.2 Test Graphs ......................................................................................................................................................................... 4 2 Maximum Conducted Output Power ................................................................................................................................................ 6 2.1 Test Result …

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