IS-7516 Interactive Flat Panel(LANGO 311D2 B)
● Octa CPU
● Zero bonding technology
● 1mm High touching accuracy
● Latest Android14
● Multi-User management
● Integrated AI feature whiteboard software
General Product Overview
| Attribute | Detail |
| Product Type | Interactive Flat Panel |
| Model Identification | IS-7518 (LANGO_311D2_B) |
| Display Resolution | 4K Ultra HD display (supports full channel 4K UI display) |
Display Panel Specifications
| Feature | Specification |
| Backlight Type | D-LED |
| Screen Size | 75 inch |
| Aspect Ratio | 16:9 |
| Physical Resolution | 3840 x 2160 (4K Ultra HD) |
| Refresh Rate | 60 Hz |
| Brightness | 350 cd/m² |
| Contrast Ratio | 1200:1 (Dynamic Contrast: 5000:1) |
| Viewing Angle | 178° (Horizontal) / 178° (Vertical) |
| Display Colors | 1.07 Billion (10-bit) |
| Response Time | 8 ms |
| Life Time | 50,000 Hours |
| Glass Type | 3.2mm anti-glare toughened glass with zero gap bonding technology |
| Dimming & Protection | Light-sensitive brightness adjustment and DC dimming support (de-flashing) |
Touch & Interaction Specifications
| Feature | Specification |
| Touch Sensing Technology | Infrared Touch |
| Touch Accuracy | ±1 mm |
| Touch Response Time | ≤ 10 ms |
| Multi-Touch Points | 20 Points Touch |
| Writing Tools | Finger, Stylus, or any non-transparent object |
| Multi-User Input | Supports dual pens and dual color displays for multi-person collaboration |
System & Processing Architecture
| Component | Configuration |
| Operating System | Android 13.0 |
| CPU Architecture | Quad-core (Cortex A73 x 2 + Cortex A53 x 2) |
| GPU | Mali-G52 MP2 |
| System Memory (RAM) | 8GB |
| Internal Storage (ROM) | 128GB |
| OPS Slot Expansion | Built-in internal slot for optional Open Pluggable Specification PC |
| Network Architecture | One network support (Android and modular PC both on Gigabit network) |
Connectivity & Interface Ports
| Input Ports (Rear / Side) | Quantity | Output & Control Ports | Quantity |
| HDMI In | 3 | HDMI Out | 1 |
| USB 3.0 | 3 | Touch Out (USB) | 2 |
| USB 2.0 | 1 | Audio Out (Earphone) | 1 |
| Type-C (Front Interface) | 1 | SPDIF Out | 1 |
| LAN (RJ45) | 2 | RS232 Control | 1 |
| AV In | 1 | RF (TV Tuner) | 1 (Optional) |
Wireless & Audio Ecosystem
| Category | Specifications |
| Wi-Fi | Wi-Fi 6, Dual-Band 2.4GHz / 5G, supporting AP+STA operating modes |
| Projection Support | Support for Wireless projection |
| Speakers | Integrated high-fidelity speakers (2 x 15W) |
| Smart Wake-up | Intelligent wake-up for HDMI/RS232 channels & network signal input in standby mode |
Power & Physical Characteristics
| Feature | Specification |
| Power Requirements | 100V – 240V AC, 50/60 Hz |
| Maximum Power Consumption | ≤ 350W |
| Standby Power Consumption | ≤ 0.5W |
| Vesa Mount Pattern | 800 x 400 mm |
| Productivity Tools | Split screen, parallel tasks, eye protection, lock screen, touch lock |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
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