65" · 4K UHD · Android 13
LG
LG 55UL3J 55-inch UHD Signage Display
MPN 55UL3J-B;55UL3J-B.AMAD
SKU 55UL3J-B
The LG 55UL3J is a 55-inch UHD digital signage display featuring a 3840 × 2160 IPS panel and 400nits brightness. SmartRooms Oman provides this webOS signage unit for commercial clients across Muscat and the Sultanate with expert support.
- Screen size
- 55"
- Resolution
- 4K UHD
- OPS slot
- No
- VESA
- 300 × 300 mm
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Written quotation in OMR
Pricing, availability and warranty on one document.
-
Manufacturer warranty
Terms confirmed on your quotation.
-
All 11 governorates
Delivered from Muscat to Dhofar.
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Quotations in Arabic & English
Ask for Arabic, English or both.
The product, in detail.
Screen and picture
- Screen Size
- 55 inch
- Resolution
- 3840 × 2160 (4K UHD)
- Brightness
- 400 nits
- Viewing Angle
- 178° (H) / 178° (V)
Built-in system
- Operating System
- webOS 6.0
- Storage
- 8 GB
Audio
- Speaker Output
- 2 × 10 W
Description
This 55-inch display delivers sharp 4K content through its IPS panel technology, supporting 1.07 billion colors and DCI 80% color gamut coverage. The webOS operating system allows for straightforward content management, while the built-in 10W x 2 speakers provide basic audio output for lobbies or retail environments in Muscat.
Designed for commercial durability, the unit supports 16 hours of daily operation with a contrast ratio of 1,300:1. Connectivity includes three HDMI inputs, USB 2.0 ports, and RS232C for centralised control. SmartRooms Oman assists Omani businesses with tender documentation and detailed quotations for this hardware.
Ideal for: Office lobbies, retail stores, and corporate meeting rooms in Muscat, Salalah, and Nizwa requiring 4K digital signage.
- 4K UHD Resolution – The 55-inch IPS panel provides a native 3840 × 2160 resolution for clear visual details.
- WebOS Platform – Built-in webOS enables easy content deployment and management for digital signage applications.
- Commercial Connectivity – Includes three HDMI inputs, two USB 2.0 ports, and RS232C for reliable system integration.
- Display Durability – Rated for 16 hours of daily operation with 400nits brightness and 178-degree viewing angles.
- Mounting Options – Supports standard VESA 300 × 300 mm wall or stand mounting for flexible installation.
Specifications
Manufacturer specifications · confirmed on your quotation
Display
- Screen Size
- 55 inch
- Resolution
- 3840 × 2160 (4K UHD)
- Brightness
- 400 nits
- Viewing Angle
- 178° (H) / 178° (V)
System
- Operating System
- webOS 6.0
- Storage
- 8 GB
- OPS slot
- No
Connectivity
- HDMI Input
- HDMI In × 3
- USB Ports
- USB-A 2.0 × 2
- Audio out
- Audio Out × 1
- Ethernet
- RJ45 × 1
- Wi-Fi
- Built-in
- Bluetooth
- Built-in
- Serial Port
- RS-232 In × 1, RS-232 Out × 1
Camera & audio
- Speaker Output
- 2 × 10 W
Physical & warranty
- Dimensions
- 1235 × 715 × 57.5 mm
- Weight
- 14 kg
- Shipping Dimensions
- 1360 × 810 × 162 mm
- VESA
- 300 × 300 mm
- Mounting Orientation
- Portrait & Landscape
- Power Standby
- 0.5 W
- Operating Temperature
- 0 to 40 °C
- Operating Humidity
- 10% to 80% RH
Other
- Key Features
- webOS 6.0, Built-in Wi-Fi and Bluetooth, 8 GB storage, Auto brightness sensor, Built-in 2 × 10 W speakers, Tile mode, SuperSign CMS and Control+
- Package Contents
- Remote Controller, Power Cord, Regulation Book, Phone to D-Sub9 Gender, Cable Holder
- More Information
- Panel technology: IPS | Aspect ratio: 16:9 | Contrast ratio: 1,300:1 | Response time: 8 ms | Input voltage: 100–240 V AC, 50/60 Hz | Operating hours: 16/7
Complete the room
One quotation for the whole setup.
Select what else the room needs — we will price it together, with delivery and installation.
Delivery & installation in Oman
Delivered to Muscat, Salalah, Sohar, Nizwa and every other governorate, with installation available through our partner teams. Lead time for this model is confirmed on your written quotation.
Stock held in Muscat for fast-moving models — ask for current availability.
Questions about ordering
How do I get a price?
Ask for a written quotation. Use Request pricing on any product page, WhatsApp +968 9664 1360 or email sales@smartrooms.me with the model or part number, the quantity, the delivery location in Oman and whether installation is needed. The quotation covers pricing, availability, warranty and installation options.
Do you deliver across Oman, and how long does it take?
Yes — to Muscat, Salalah, Sohar, Nizwa and the other governorates. Lead time depends on the model, quantity and configuration, so it is confirmed in writing on the quotation and again when your purchase order is acknowledged.
Do you install?
Yes. Installation is available across Oman through our partner installation teams. Its scope — mounting, cabling, positioning, commissioning and handover — is written into the quotation, so anything outside it is clear before the visit.
What warranty applies?
The manufacturer's warranty applies, with the terms confirmed on your quotation. The quotation states the warranty holder, period and service level, and we coordinate any claim with the manufacturer or its authorised service partner on your behalf.
Do you support government tenders?
Yes. We quote tender quantities and supply what a tender file needs: an itemised quotation addressed to your entity, manufacturer datasheets, technical compliance sheets, the delivery and installation scope, and a warranty statement.
Can I get the quotation in Arabic?
Yes — in Arabic, English or both. Manufacturer datasheets are usually published in English.
Is the LG 55UL3J available for purchase in Oman?
This model is discontinued. Our team can confirm current stock availability or recommend a compatible successor model. Please contact us for an itemised quotation covering hardware and delivery to any of the 11 governorates.
Does SmartRooms Oman provide tender support for this display?
Yes. We provide datasheets, compliance statements, and technical documentation for government and private tenders. Our team can prepare bilingual quotations in Arabic or English to meet specific tender requirements.
What is the resolution of the LG 55UL3J screen?
The display features a native UHD resolution of 3840 × 2160 pixels. This 4K capability ensures sharp text and detailed imagery for professional digital signage applications in commercial environments.
Can this display be mounted on a wall?
Yes, the unit supports VESA 300 × 300 mm mounting interfaces. This allows for flexible installation options using compatible brackets or stands suitable for various office or retail settings across Oman.
What connectivity options does the 55UL3J offer?
The display includes three HDMI inputs, two USB 2.0 Type A ports, and RS232C for control. It also features an Audio Out port, allowing connection to external sound systems if needed.
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