Features:
The infrared memory blackboard is based on the F-Engine core technology solution and deeply customizes the underlying software and hardware. It combines traditional blackboard writing with high-precision infrared touch and ultra-high-definition large-screen display to create a new model that is interconnected, easy to learn and use, and combines software and hardware. Blackboard form.
- The infrared memory blackboard adopts a four-sided infrared and three-spliced plane integrated design. It has no push-pull structure and exposed connecting wires. It has a simple appearance without any visible internal functional module connecting wires.
- Supports one-click (touch buttons on the left and right sides of the main screen) to open the memory storage function of the smart blackboard main screen or secondary screen. The main screen memory is stored as one-click to open the interactive whiteboard; the secondary screen memory is stored as one-click to open the whiteboard and small blackboard under the premise that the interactive whiteboard is turned on. The memory functions of the secondary screen are all controlled by the main screen. The secondary screen can be completely written without any physical keys, silk screen buttons, labels, etc.
- The main screen and the secondary screens on both sides support direct writing with ordinary chalk. The content written on the secondary screens on the left and right sides can be displayed simultaneously on the main screen.
- Supports blackboard eraser to erase blackboard writing on the secondary screen. At the same time, when erasing, if the main screen selects the eraser mode, the electronically recorded handwriting on the main screen will be erased simultaneously.
- True full sticker technology. Adopting lamination technology with independent intellectual property rights, it achieves true zero-distance full lamination. It achieves zero gap and no air layer between the tempered glass and liquid crystal, reducing reflection and refraction, making the display and picture clearer and more transparent, but with a wider angle.
- Full-featured Type-C on the front: Full Type-C on the front supports audio and video transmission, data transmission, touch backhaul, and fast charging. The fast charging function uses automatic load balancing technology based on the F-Engine solution.
- The combination of software and hardware enables multi-screen interaction, supports multiple terminals and multiple devices, which facilitates teachers’ mobile teaching and comparative teaching, increases the interaction between teachers and hungry students, and makes teaching more vivid.
- It comes with a built-in 1300-pixel camera and array microphone. The dual system supports video and audio recording, making it convenient for micro-lecture production.
Display |
Size |
86 inches |
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Backlight type |
LED |
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Display area |
1895.0 (H) * 1066.0 (V) mm |
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Resolution |
3840 * 2160 |
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Brightness |
500 cd/㎡ |
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Contrast ratio |
5500:1 |
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Response time |
8ms |
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Color gamut |
≥72% |
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Viewing angle |
≥178° |
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Refresh rate 60Hz |
60Hz |
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Touch |
touch panel |
3.2mm anti-glare tempered glass |
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touch technology |
infrared |
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Touch points |
20 o’clock |
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Touch accuracy |
± 1 mm (middle 90% touch area) |
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Response time |
≤12ms |
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Upload frame rate |
≥83.3%Hz |
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minimal touching object |
3mm (middle 90% area) |
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Android |
Central Processing Unit (SOC) |
MT9630 |
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operating system |
Android 11.0 |
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CPU |
ARM CA53*4 |
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RAM |
4G |
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Storage ROM |
32G |
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Interface |
Front interface |
HDMI |
HDMI in*1 |
Touch USB |
Touch USB*1 |
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Type C |
TYPE-C USB*1 |
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USB |
USB3.0*3 |
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Rear interface |
Touch USB |
Touch USB-B *1 |
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USB |
USB 2.0*1(Android) |
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USB |
USB 2.0*1(Shared between Android and OPS) |
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HDMI |
HDMI in 2.0*1 |
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TF card |
Micro SD*1 |
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TV |
Tuner *1 |
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LAN |
RJ45 *1 |
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control |
RS232 *1 |
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VGA |
VGA in*1 |
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video |
Mini AV in*1; |
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Mini Ypbpr in*1 |
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Audio |
3.5mm output*1(headphone jack) |
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PC audio in*1(VGA audio input) |
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COAX Coaxial audio input |
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MIC interface |
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Audio |
speaker |
2*15W |
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network |
WiFi |
WiFi 2.4G Hz/5G Hz (dual frequency) |
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AP hotspot launch |
2.4GHz/5GHz dual-band, 802.11 a/b/g/n/ac |
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Button/Remote Control/Light Sensing |
button |
6 keys |
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remote control |
infrared |
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power supply |
Operating Voltage |
100-240VAC 50/60Hz |
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Standby power consumption |
Less than 0.5w |
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Maximum power |
Less than 500w |
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size and weight |
Overall size |
4202*1189mm |
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weight |
87kg in the middle and 35kg on both sides (excluding booth structure) |
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Environmental parameters |
storage temperature: |
-20℃~60℃ |
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Storage humidity |
10%~90% |
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Operating temperature |
0℃~50℃ |
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Working humidity |
10%~90% |
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