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SKU: UBSL-0319
LG 75" Interactive Digital Board 75TR3DK-BG
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The LG 75″ Interactive Digital Board 75TR3DK‑BG is a 4K UHD interactive display featuring multi‑touch support, built‑in Android system, wireless screen sharing, and extensive connectivity—designed for classrooms, meeting rooms, and collaborative workplaces.
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Technical Details
| Model | LG 75TR3DK‑BG Interactive Digital Board |
| Screen Size | 75″ |
| Panel Technology | IPS LCD |
| Native Resolution | 3,840 × 2,160 (4K UHD) |
| Aspect Ratio | 16:9 |
| Brightness | 440 nits (Max), 390 nits (Typical) |
| Contrast Ratio | ~1,200:1 |
| Color Gamut | NTSC 72% |
| Colour Depth | 10‑bit (8‑bit + FRC) |
| Refresh Rate | 60 Hz |
| Viewing Angle (H × V) | 178° × 178° |
| Response Time | 8 ms |
| Multi‑Touch | Up to 40 points |
| Touch Glass | 3 T Anti‑Glare, ~88% transmission |
| Internal System | Android‑based (webOS/Android integration) |
| CPU | Quad‑core A55 |
| GPU | Mali G52 |
| Memory | 4 GB RAM |
| Internal Storage | 32 GB |
| Wi‑Fi | Wi‑Fi 6 (802.11a/b/g/n/ac/ax) |
| Bluetooth | Bluetooth 5.0 |
| Connectivity Inputs | HDMI ×3, VGA, RS‑232C, RJ45 LAN, USB 3.0 ×4, USB 2.0 ×1, USB‑C (PD/DP‑Alt) |
| Connectivity Outputs | HDMI Out, Audio Out (Optical SPDIF), Touch USB ×2, RJ45 Out |
| Built‑in OPS Slot | Yes (supports OPS module) |
| Speakers | Built‑in (2 × 15 W) |
| Supported Viewing Modes | Wireless screen share, multi‑window (PIP/PBP) |
| Power Supply | AC 100‑240 V, 50/60 Hz |
| Power Consumption | Typ. ~225 W, Max ~430 W |
| Operating Temp | 0 °C – 40 °C |
| Operating Humidity | 10% – 90% RH |
| Bezel Colour | Black |
| Dimensions (W × H × D) | ~1,709 × 1,020 × 88 mm |
| Weight (Head) | ~47.3 kg |
| VESA Mount | 800 × 400 mm |
| Accessories | Power cord, USB cable, HDMI cable, pens, remote, Wi‑Fi module ([LG Information Display][1]) |