29.8" Square LCD Display | 1900x1900 High Contrast | RK3288 Android Monitor

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LMM298001 29.8" Square LCD Advertising Display | Ultra-High Contrast 4000:1 | Android 5.1.1 Digital Signage

*Make an Impact with Deep Contrast: 1900x1900 Resolution, 4000:1 Dynamic Ratio, and Built-in Android Smart Platform.*

Immersive Square Screen: 29.8" display with 1:1 aspect ratio (1900x1900 pixels), designed for modern retail and artistic visual applications. Ultra-High Contrast: Features an exceptional 4000:1 contrast ratio, delivering deep blacks and bright whites for lifelike image quality. Reliable Performance: Powered by a Rockchip RK3288 Quad-core processor and Android 5.1.1, ensuring stable 24/7 multimedia playback. Built-in Power Supply: Equipped with a standard AC 110-240V power input, making installation easier and safer without an external power brick. Versatile Connectivity: Includes dual USB HOST, 4x serial ports (RS232), Ethernet, WiFi, and HDMI 4K output for expanded functionality. Customizable Design: Brightness, interface placement, and casing color can be customized for bulk orders.

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Surface Luminance: 400 cd/m²

Operating Temp: 0-50 °C

Resolution: 1900 x 1900 (Pixels)

Size (inch): 29.8" (Square)

LCM OD sizes: 571 x 571 x 50 mm

LCD Mall Model No: LMM298001

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Overview

The LMM298001 is a premium 29.8-inch square monitor engineered for high-end commercial environments. Unlike conventional displays, its square format provides a balanced canvas ideal for digital art, fashion retail, and interactive kiosks. With a remarkable 4000:1 contrast ratio and a convenient built-in AC power supply, this model delivers superior visual depth and simplifies installation.

Key Features

High Contrast Square Display:
- Resolution: 1900 x 1900 (Perfect 1:1 Aspect Ratio)
- Brightness: 400 cd/m² (Suitable for indoor environments)
- Contrast Ratio: 4000:1 (Ideal for displaying true blacks in dimly lit or dark stores)
- Display Area: 542.2mm(L) x 542.2mm(H)
Built-in Power Supply (AC):
- Unlike many displays that require an external DC adapter, the LMM298001 integrates an AC 110-240V power input. This allows for a cleaner setup with direct AC wiring, reducing failure points and installation clutter.
Robust System-on-Chip (SoC) Platform:
- CPU: Rockchip RK3288, Quad-core, up to 1.8GHz.
- OS: Android 5.1.1.
- Memory/Storage: 2GB RAM (4GB optional) / 8GB Storage (16/32/64GB optional).
Rich I/O & Control Interfaces:
- Network: Ethernet (RJ45) and WiFi for flexible network connectivity.
- USB Ports: 2x USB HOST for connecting mice, keyboards, or USB drives.
- Serial Control: 4x Serial Ports (RS232) for integration with commercial control systems (like Crestron or AMX).
- HDMI Output: 1x supporting up to 4K@60Hz for daisy-chaining or external displays.
Enhanced Audio:
- Features built-in dual-channel audio output with an amplifier supporting 4Ω/20W or 8Ω/10W speakers, eliminating the need for external soundbars in quiet environments.

Specifications Table

Display	Specification	System & Hardware	Specification
LCD Size	29.8" (Square)	CPU / OS	RK3288 Quad-core / Android 5.1.1
Resolution	1900 x 1900 (Pixels)	RAM / Storage	2G (4G opt) / 8G (16/32/64 opt)
Display Area	542.2mm (L) x 542.2mm (H)	Network	Ethernet / WiFi
Brightness	400 cd/m²	HDMI Out	1x (Supports 4K@60Hz)
Contrast Ratio	4000 : 1	USB Ports	2x USB HOST
Max Power	≤85W	Serial Port	4x RS232 Sockets
Power Input	AC 110-240V (Built-in)	Audio Out	Dual L/R, Built-in AMP (4R/20W)
Housing	Black Fine Texture Metal	Media Format	wmv, avi, flv, mpeg / BMP, JPEG, PNG, GIF
Dimensions	571 x 571 x 50 mm	Weight	14 kg
Carton Size	670 x 670 x 120 mm	Work Temp	0-50 °C

Package Includes:

1 x LMM298001 Square Monitor (with built-in AC Power)
1 x Power Cord (Region specific)
Accessory Kit / User Manual

Customization Note:
This model supports hardware customization. The display brightness, exposed interface positions, and appearance color can be adjusted according to your project requirements. Please contact us for OEM/ODM inquiries.