DAHUA LPH75-MC420-C-S2 75 inch Smart interactive whiteboard

Built-in System

Operating System

Android 11.0 (Can be upgraded over-the-air [OTA] to Android 14.0 version).

CPU

Quad-core A73 + Quad-core A53

CPU Frequency

2.2 GHz + 2.0 GHz

GPU

ARM Mali-G52 MP8 (8EE)

RAM

8 GB

ROM

64 GB

Card Swiping with NFC

Yes, supports binding up to 10 cards.

Function

Operating System of External Module

Windows 7/8/10

Wi-Fi Hotspot

Dual-band 2.4 G/5 G; Supports enabling hotspot and Wi-Fi at the same time

LCD Panel

Panel Dimensions

75 inch

Backlight

DLED

Aspect Ratio

16:9

Brightness

400 cd/m² (typ.)

Resolution

3840 (H) × 2160 (V)

Viewing Angle

H: 178°; V: 178°

Lifespan

≥50, 000 hrs

Display Color

90% NTSC (typ.)

Refresh Rate

60 Hz

Static Contrast

VA: 4000 (typ.); IPS: 1200 (typ.)

Response Time

8 ms (typ.)

Camera

Camera

48 MP

Auto Control

Auto white balance

Distortion

–8.6%

Max. Resolution

3840 (H) × 2160 (V)

Field of View

D: 99°; H: 87°; V: 49°

Face Detection

Yes

Digital Zoom

Yes，supports up to 9x digital zoom.

Device Ports

Light Sensor

1

Front Button

1 × power button

Front Ports

1 × TYPE-C, 1 × HDMI IN, 2 × USB 3.0

Network Port

2 × RJ-45

Wi-Fi

Yes, 1 × Station, 1 × AP

Wi-Fi Standard

Station: 802.11b/g/n/a/ac/ax

AP: 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, BT5.2

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)

42 dBuA/m @10 m

USB

4 × USB 3.0 (type A); 1 × USB 2.0 (type A); 1 × Micro USB 2.0

RS-232

1 × DB9 male connector

Video Input

2 × HDMI 2.0 (4K@60Hz)

Video Output

1 × HDMI 2.0 (4K@60Hz)

Audio Output

1 × 3.5 mm Line Out port; 1 × SPDIF port

Others

2 × Touch port

IrDA

1

Microphone

8 arrays

Type-C Port

1 × Type-C IN (DP IN (4K@60 fps) + USB 3.0 host + USB 2.0 device (touch) + 5W Charging)

Touchscreen

Touch Technology

Infrared

Response Time

≤10 ms

Touch Points

Android: 31 points, Windows: 50 points

Valid Touch

1.5 mm (0.06") (over 90% touch area)

Writing Mode

Finger + Pen (attaches magnetically)

Anti-light Interference

Anti-dazzle tempered glass

Surface Hardness

≥9H

Touch Resolution

32,767 × 32,767

Number of Multi-user Writing Points

10 points (over 90% touch area)

Speaker

Number of Cavities

2

Frequency

150 Hz–20 kHz

Power

2.0 sound channel, front-end: 2 × 20 W

Built-in Speaker

2

Microphone

Pick-up Distance

Long-range sound pickup: 8 m–12 m (26.25 ft–39.37 ft)

Number of Microphones

8 arrays

AGC

Yes

Echo Cancellation

Yes

Polar Pattern

Omnidirectional

Intelligent Noise Filtering

YES

General

Power Supply

100–240 VAC, 50/60 Hz

Power Consumption

225 W (basic), 326 W (max)

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

10%–90% (RH), non-condensing

Storage Humidity

10%–90% (RH), non-condensing

Product Material

Metal casing

Protective Glass

3.2 mm anti-dazzle tempered glass

Casing Color (Frame/Rear)

The left and right sides are black, and the top and bottom are starry gray.

Product Dimensions

1,707.5 mm × 87 mm × 1,067 mm (67.22" × 3.43" × 42.01") (L × W × H)

Frame Size

Top border: 40.9 mm (1.61"), left and right borders: 17.5 mm (0.69"), bottom border: 65.3 mm (2.57")

Packaging Dimensions

1,875 mm × 227 mm × 1,177 mm (73.82" × 8.94" × 46.34") (L × W × H)

Net Weight

50 kg (110.23 lb)

Gross Weight

71.2 kg (156.97 lb)

Holes Distance

600 mm × 400 mm (23.62" × 15.75")

Installation

Wall mount; mobile bracket

Standby Power Consumption

≤0.5 W

Packing List

1 × Smart interactive whiteboard

1 × Wireless plug-in module

1 × Power cord

2 × Stylus pen

1 × Quick start guide

1 × Global edition of the Regulatory Manual

1 × Wall mount bracket

1 × Accessory package

1 × Remote control

Glass Thickness

3.2 mm