Multi-touch touch screen LPH75-MC480-U-S2

for classroom boardUSBRS-232

Overview
75 inch smart interactive whiteboard combining a 4K UHD display, integrated Android 15 system and a multi-function collaboration platform. Designed for meeting rooms and classrooms, it supports immersive video conferencing with a triple-camera system, 16-microphone array, built-in speakers and advanced touch/pen input with pressure sensitivity. Features include NFC quick unlock, radar-based human motion detection and BYOM via Type-C IN.

Key Points

• AI-powered triple-camera system (up to 150 MP aggregate) with up to 9× digital zoom, Gallery Mode, Auto-Framing and Voice Tracking for conferencing.
• 16-microphone array with capture range up to 12 m, AGC, echo cancellation and intelligent noise filtering.
• Integrated 4K display: 500 cd/m² typical brightness, 90% NTSC color gamut, ΔE ≤ 1.5 color accuracy and 1.07 billion (10-bit) colors.
• Audio: 4 speakers (2 mid/high, 2 low), top-firing configuration, 2.2-channel output (2×10 W + 2×20 W).
• NFC quick unlock and radar-based human motion detection for presence sensing.
• Type-C IN with USB PD charging up to 100 W; supports BYOM (use board camera/mic via Type-C IN).
• Pre-installed Google Suite and support for third-party Android apps; EDLA-certified.
• Smooth, responsive handwriting and pen input with AI-powered text and drawing recognition; pen-lift detection and multi-touch/pen modes.

Included items (packing list)

• 1 × Smart interactive whiteboard
• 1 × Power cord
• 2 × Stylus pen
• 1 × Quick start guide
• 1 × Wall mount bracket
• 1 × Remote control
• 1 × Legal and regulatory information
• 1 × Wall-mount screw pack
• 1 × Wireless plug-in module
• 1 × Plug-and-play camera

Technical specifications

• Built-in System: Android 15
• CPU: Quad-core A76 + Quad-core A55, Frequency: 2.4 GHz
• GPU: Mali-G610 MC4
• RAM: 16 GB
• ROM: 128 GB
• LCD Panel — Screen Size: 75 inch; Backlight: DLED; Aspect Ratio: 16:9
• Brightness: 500 cd/m² (typ.); Resolution: 3840 × 2160; Viewing Angle: 178° (H) / 178° (V)
• Lifespan: ≥50,000 hrs; Refresh Rate: 60 Hz; Display Color: 1.07 Billion (10 bits); Color Gamut: 90% NTSC; Static Contrast Ratio: 1500:1; Response Time: 8 ms
• Camera (Android/Windows): Photo (Android) 3×50 MP / (Windows) 8 MP; Video 8 MP; Max photo resolution: 9632 × 5418; Max video resolution: 3840 × 2160
• Camera functions: Auto flip cover; Auto white balance; Distortion: –8.6%; Field of view H:87° V:49° D:99°; Face Detection: Yes; Digital Zoom: up to 9×; Other: Gallery mode, Auto-framing, Voice-tracking
• Camera storage (module): 8 GB eMMC
• Front controls: 8 buttons (custom, volume down/up, curtain control, touch lock, input source, home, power)
• Front ports: 2 × USB 3.2 Gen1 Type-A; 1 × HDMI IN; 1 × USB Type-C IN (100 W fast charge, data, LAN, BYOD); 1 × TOUCH USB 2.0 Type-B
• Rear ports: 3 × HDMI IN (4K@60 Hz); 1 × HDMI OUT (4K@60 Hz); 1 × DP IN (4K@60 Hz); 1 × USB 2.0 Type-A (Android); 2 × USB 3.2 Gen1 Type-A (Follow); 1 × USB Type-C IN (15 W charge, data); 1 × USB Type-C OUT (4K@60 Hz); 3 × TOUCH USB 2.0 Type-B; 1 × VGA IN; 1 × VGA AUDIO IN (3.5 mm); 1 × LINE IN (3.5 mm); 1 × LINE OUT (3.5 mm); 1 × SPDIF OUT; 1 × RS232; 1 × microSD card slot; 1 × RJ45 IN (10/100/1000 Mbps); 1 × RJ45 OUT (10/100/1000 Mbps)
• Wi‑Fi: Wi‑Fi 6, supports Station and AP; Standards: 802.11b/g/n/a/ac/ax; Frequency range: 2400–2483.5 MHz, 5150–5350 MHz, 5470–5725 MHz, 5725–5850 MHz
• Bluetooth: BR/EDR/BLE (BT5.4)
• RFID: ASK modulation, 13.56 MHz, max TX 42 dBuA/m @10 m
• TF / microSD: 1 microSD slot, expandable up to 512 GB
• Other sensors / functions: Light sensor; IR receiver; Radar-based human motion detection; NFC quick unlock; Wireless Access Point: Wi‑Fi 6 dual band
• Touchscreen: Technology: Infrared; Response time ≤1.67 ms; Touch points: Android 64 points, Windows 64 points; Valid touch: 1.5 mm (over 90% touch area); Touch height ≤0.99 mm (avg); Touch resolution 32768 × 32768; Attachment method: Zero Air Gap; Writing mode: Finger + Pen (pen attaches magnetically); Pen features: Pen Writing, Finger Dragging, Dual-Color Pen, Multi-Touch, Palm Erasing, Palm Rejection
• Glass / Surface: 3.2 mm anti-glare tempered glass; Anti-dazzle; Surface hardness ≥9H
• Speaker: Frequency range 90 Hz–20 kHz; Power: 2 × 10 W + 2 × 20 W; Built-in speaker configuration: 4 (CH2.2)
• Fingerprint: Capacity 100; Resolution 160 × 160; FAR <0.001%; FRR <3%
• Microphone: 16 arrays; Pick-up distance 0–12 m; AGC: Yes; Echo cancellation: Yes; Polar pattern: Omnidirectional; Intelligent noise filtering: Yes
• Power supply: 100–240 VAC, 50/60 Hz; Power consumption: 116 W (basic), 336 W (max); Standby ≤0.5 W
• Environmental: Operating temperature 0 °C to +40 °C; Storage temperature –20 °C to +60 °C; Operating / Storage humidity 10%–90% RH, non‑condensing
• Mechanical: Product dimensions 1,668.7 mm × 116.2 mm × 1,088.1 mm (65.7" × 4.57" × 42.84") (L × W × H); Frame size: top 35.9 mm, left/right 17.5 mm, bottom 40.7 mm; Holes distance 600 mm × 400 mm
• Weight: Net 46.6 kg; Gross 58.8 kg
• Packaging dimensions: 1,875 mm × 227 mm × 1,177 mm
• Product material / casing: Metal casing; Casing color: Black on left/right, Lunar Rock Gray on top/bottom