Dahua ST470-C Series 86 inch Smart Interactive Whiteboard

• Supports 4K ultra-high-definition display with a 4K UI.
• Equipped with 2 built-in mid-high frequency speakers; supports 2.0 sound channel audio output, with a total speaker power of 40 W.
• Produces vibrant and vivid visual effects through its high color gamut (90% NTSC high color gamut screen), high color accuracy (ΔE ≤ 1.5), and brightness of 400 cd/m².
• Supports one-click screen sharing from mobile phones, computers, tablets, etc., and multi-screen split display function.
• Supports various office software such as Office and audio/video file playback.
• Smooth writing: supports handwriting and stylus input, with fast writing response speed, and supports pen-tip pressure sensitivity for a realistic writing experience.
• Supports smart text and smart graphics.
• Supports smart pen pick-up detection, automatically wakes up annotations and whiteboard when the pen is lifted, enabling quick entry into writing mode.
• BYOM: Supports using the whiteboard camera and microphone via TYPE-C IN and screen mirroring device.
• Supports card swipe for unlocking and account login.
• Supports all-featured TYPE-C IN.
• Supports HDMI IN ARC.

Description

Built-in System

Operating System Android 16.0
CPU Quad-core A53 + quad-core A72
CPU Frequency Main frequency 2.2 GHz
GPU Mali-G52 MC3
RAM 8 GB
ROM 128 GB
General
Operating System of External Module Windows 11; Android
Power Supply 100–240 VAC, 50/60 Hz
Power Consumption 135 W (basic), 400 W (max)
Standby Power Consumption ≤0.5 W
Operating Temperature 0 °C to +40 °C (+32 °F to +104 °F)
Storage Temperature –20 °C to +60 °C (–4 °F to +140 °F)
Operating Humidity 0%–93%, 101 kPa
Storage Humidity 0%–93%, 101 kPa
Protection IP20
Product Material Metal casing
Glass 3 mm anti-dazzle tempered glass
Casing Color (Frame/Rear) Black on the left and right, dark blue on the top and bottom
Product Dimensions 1,953.8 mm × 115.7 mm × 1,205.9 mm (76.92″ × 4.56″ × 47.48″)
Frame Size Top frame: 40.9 mm (1.61″); Left and right frame: 17.5 mm (0.69″); Bottom frame: 65.3 mm (2.57″)
Packaging Dimensions 2,090.0 mm × 227.0 mm × 1,315.0 mm (82.28″ × 8.94″ × 51.77″) (L × W × H)
Net Weight 61.7 kg (136.03 lb)
Gross Weight 74.0 kg (163.14 lb)
Holes Distance 800 mm × 400 mm (31.50″ × 15.75″)
Installation Wall mount or mobile bracket
Packing List 1 × Smart Display
2 × Stylus Pen
1 × Wall Mount Bracket
1 × Global Laws and Regulations Manual
1 × Wireless Plug-in Module
1 × Power Cord
1 × Quick Start Guide
1 × Expansion Tube and Expansion Screw Set
1 × Remote Control
LCD Panel
Screen Size 86 inch
Backlight DLED
Aspect Ratio 16:9
Brightness 400 cd/m²
Static Contrast Ratio 1500:1
Resolution 3840 (H) × 2160 (V)
Viewing Angle 178° (H)/178° (V)
Lifespan ≥30,000 hrs
Display Color 90% NTSC
Response Time ≤8 ms
Refresh Rate 60 Hz
Device Ports
Light Sensor 1
Front Button 8 buttons:
Custom
Volume –
Volume +
Curtain
Touch lock
Signal source
Home
Power supply
Front Ports  

1 × TYPE-C port

2 × USB 3.0 port

1 × HDMI IN port

1 × Touch port

Rear Port 1 × HDMI OUT port
2 × HDMI IN ports
2 × Touch ports
1 × USB 2.0 port
2 × RJ-45 ports
1 × Type-C IN port
1 × DP IN port
2 × USB 3.0 port
SD Card Slot 1 × SD card slot, up to 512 GB
Others 1 × SPDIF OUT port
1 × RS-232 port
1 × LINE OUT port
1 × LINE IN port
1 × VGA AUDIO IN port
1 × VGA IN port
1 × Touch port
Wi-Fi Yes
Wi-Fi Standard 802.11b/g/n/a/ac/ax
Wi-Fi Frequency Range 2400-2483.5 MHz,5150-5350 MHz,5470-5725 MHz,5725-5850 MHz
MAX Power Transmission (Wi-Fi) ≤20 dBm@2400-2483.5 MHz;
≤23 dBm@5150-5250 MHz;
≤20 dBm@5250-5350 MHz;
≤27 dBm@5470-5725 MHz;
≤14 dBm@5725-5850 MHz
Bluetooth Yes
Bluetooth Standard BR/EDR/BLE (Bluetooth mode), BT5.4
Bluetooth Frequency Range 2400-2483.5 MHz
MAX Power Transmission (Bluetooth) ≤20 dBm@2400-2483.5 MHz;
RFID Modulation Method ASK
RFID Frequency Range 13.56 MHz
MAX Power Transmission (RFID) 13.56 MHz: 42 dBuA/m @10 m
Function
IR Receiver 1
NFC 1 × NFC
Wireless Access Point Wi-Fi 6, 2.4 GHz/5 GHz; supports 802.11a/b/g/n/ac/ax
Touchscreen
Response Time ≤1.67 ms
Touch Technology Infrared
Attachment Method Zero Air Gap
Touch Points Android: 50 points
Windows: 50 points
Touch Accuracy ±0.5 mm (covers 90% of the area)
Valid Touch 1.5 mm (0.06″)
Writing Mode Finger and stylus pen (magnetic)
Communication Mode USB
Anti-light Interference Anti-dazzle tempered glass
Surface Hardness ≥9H
Touch Resolution 32767 × 32767
Speaker
Built-in Speaker 2 mid-high frequency speakers
Power 2.0 sound channel, front-end 2 × 20 W
Frequency 150 Hz–20 kHz
Microphone
Microphone 8 arrays
Pick-up Distance 0.5 m-8 m (1.64 ft–26.25 ft) pickup
AGC Yes
Echo Cancellation Yes
Polar Pattern Omnidirectional
Intelligent Noise Filtering Yes
Certification
Certifications CE, CB, EDLA