INTERACTIVE DISPLAY (กระดานอัจฉริยะ) DAHUA LPH75-ST420-S3 - 75 INCH LITE SMART INTERACTIVE WHITEBOARD

Built-in System : 

• Operating System : Android 14

• CPU : Quad-core A55

• CPU Frequency : 1.9 GHz

• GPU : ARM Mali-G52 MP2 (2EE)

• RAM : 8 GB

• ROM : 32 GB

LCD Panel : 

• Panel Dimensions : 75 inch

• Backlight : DLED

• Aspect Ratio : 16:9

• Brightness : 400 cd/m² (typ.)

• Static Contrast : VA: 4000; IPS: 1200

• Resolution : 3840 (H) × 2160 (V)

• Viewing Angle : 178° (H); 178° (V)

• Lifespan : 50,000 hrs

• Display Color : 1.07 Billion colors (10 Bit)

• Response Time : 8 ms (typ.)

• Refresh Rate : 60 Hz

• Device Ports : 

• Light Sensor : Yes

• Front Button : 8 buttons: Whiteboard, volume, curtain, touch lock, signal source, navigation bar, homepage, power supply

• Front Ports : 

  • 1 × Type -C

  • 1 × HDMI IN

  • 1 × USB Touch

  • 2 × USB 3.2 Gen1 Type-A

  • 1 × 3.5 mm Mic in

  • 1 × Type-C (DP IN (4K@60 fps) + USB 3.0 Host+USB 2.0 device (touch) + PD 65 W); supports wired network sharing

• Rear Port : 

  • 1 × Type -C

  • 2 × HDMI IN (4K@60 Hz)

  • 1 × VGA IN

  • 1 × HDMI OUT (4K@60 Hz)

  • 3 × USB Touch

  • 2 × USB3.2 Gen1 Type-A

  • Audio In: 1 × 3.5 mm Line In

  • Audio Out: 1 × SPDIF and 1 × 3.5 mm Line out

  • RS-232: 1 × DB9 port

  • Micro: 1 × USB

  • 2 × RJ-45

  • 1 × OPS slot

• Wi-Fi : Yes

• Wi-Fi Standard : 802.11b/g/n/a/ac/ax

• Wi-Fi Frequency Range : 2.4 GHz/5 GHz

• MAX Power Transmission (Wi-Fi) : CE EIRP:

  • ≤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 : EDR, BT2.1/4.2/5.2/5.3

• Bluetooth Frequency Range : 2400–2483.5 MHz

• MAX Power Transmission (Bluetooth) : CE EIRP: ≤20 dBm@2400–2483.5 MHz;

• RFID Modulation Method : ASK

• RFID Frequency Range : 13.56 MHz

• MAX Power Transmission (RFID) : 42 dBuA/m @10 m

Function : 

• IR Receiver : 1

• Card Swiping with NFC : Yes

• Wireless Access Point : Wi-Fi 6, 2.4 GHz/5 GHz, supports 802.11 a/b/g/n/ac/ax₩WIFI 5, 2.4 GHz/5 GHz; Supports enabling Hotsport and WIFi at the same time

• Touchscreen : 

• Response Time : ＜10 ms

• Touch Technology : Infrared

• Attachment Method : Zero Air Gap

• Touch Points : 21 points for Android, and 40 points for Windows

• Touch Accuracy : ±1 mm (0.04")

• Valid Touch : 2 mm (0.08")

• Touch Height : 3 mm (0.12")

• Writing Mode : Finger and stylus pen

• Communication Mode : USB

• Anti-light Interference : Anti-dazzle

• Surface Hardness : ≥9 H

• Touch Resolution : 32,767 × 32,767

Speaker : 

• Built-in Speaker : 2 × full-frequency speaker

• Power : 2.0 sound channel, front-end: 2 × 15 W₩2.0 sound channel, front-end: 2 × 20 W

General : 

• Power Supply : 100–240 VAC, 50/60 Hz

• Power Consumption : 75-inch: 150 W (typ.); 275 W (max, without OPS and Quicker Changer）

• Standby Power Consumption : ≤0.5 W

• Operating Temperature : 0 °C to +40 °C (+32 °F to +104 °F)

• Storage Temperature : –10 °C to +50 °C (+14 °F to +122 °F)

• Operating Humidity : 10%–90% (RH)

• Storage Humidity : 10%–90% (RH)

• Product Material : Metal 

• Glass : 4 mm anti-dazzle tempered glass

• Casing Color (Frame/Rear) : Black frame for left and right, silver frame for top and bottom and black frame for back

• Product Dimensions : 1,707.5 mm × 121.3 mm × 1,050.0 mm (67.23" × 4.48" × 41.34") (L × W × H)

• Frame Size : Top frame: 27 mm (1.06"); Left and right frame: 16.5 mm (0.65"); Bottom frame: 68 mm (2.68")

• Packaging Dimensions : 1,790.0 mm × 200.0 mm × 1,165.0 mm (70.47" × 7.87" × 45.87") (L × W × H)

• Net Weight : 49.0 kg (108.03 lb)

• Gross Weight : 60.5 kg (133.38 lb)

• Holes Distance : 600 mm × 400 mm (23.62" × 15.75")

• Installation : Wall mount or mobile bracket

• Packing List : 

  • 1 × Smart interactive whiteboard;

  • 1 × Power cord;

  • 2 × Passive stylus pen;

  • 1 × HDMI cabe;

  • 1 × Quick start guide;

  • 1 × Wall mount bracket (already installed on the whiteboard);

  • 1 × Accessory package;

  • 1 × Remote control;

  • 1 × Legal and Regulatory Information

Certification : 

• Certifications : CE