What Is the LG 22SM3G-B Digital Signage Display?
The LG 22SM3G-B is a compact professional digital signage display designed for commercial environments where a smaller screen is required. It features a 21.5-inch IPS panel, 1920 × 1080 Full HD resolution, integrated Wi-Fi, 8 GB of internal storage, and LG’s webOS 4.1 smart signage platform. (LG DE)
Unlike a standard consumer monitor or television, the LG 22SM3G-B is designed specifically for commercial signage applications. Its compact dimensions make it suitable for retail shelves, reception desks, elevators, meeting rooms, restaurants, information points, kiosks, and other locations where a traditional 43-, 55-, or 65-inch signage display would be too large.
LG rates the display for 16 hours per day, 7 days per week (16/7) operation and supports both portrait and landscape orientation.
Buzzblender has the application for LG 22SM3G-B to manage content on the screens remotely. Check the guide how to install Buzzblender on LG Commercial Screens.
BuzzBlender is the best choice to get started. Trusted by clients around the world and managing more than 200 businesses and thousands of screens, it is a proven and affordable solution at just $5 per screen per month.
Use the promo code WELCOME100 to get your first month free. Create your account and connect your first screen.

$5 per Screen / Month
One platform. All features included.
Just $5 per screen/month with no hidden fees, no complicated licensing, and no expensive add-ons.
Deploy more screens while keeping costs under control
Key Specifications
The LG 22SM3G-B includes:
- Screen size: 21.5 inches
- Panel technology: IPS
- Resolution: 1920 × 1080 Full HD
- Aspect ratio: 16:9
- Refresh rate: 60 Hz
- Brightness: 250 nits
- Contrast ratio: 1,000:1
- Viewing angle: 178° × 178°
- Response time: 14 ms
- Operating schedule: 16/7
- Minimum panel lifetime: 30,000 hours
- Orientation: Portrait and landscape
- Internal storage: 8 GB eMMC
- Operating system: webOS 4.1
- Built-in Wi-Fi: Yes
- VESA mounting: 100 × 100 mm
These specifications make the 22SM3G-B particularly suitable for indoor commercial environments where viewers are relatively close to the display.
Compact 21.5-Inch Digital Signage
One of the main advantages of the LG 22SM3G-B is its size.
At just 21.5 inches, it can be installed in locations where larger commercial displays would be impractical.
Common examples include:
- Retail shelves
- Checkout counters
- Reception desks
- Elevators
- Small meeting rooms
- Restaurant counters
- Product displays
- Information kiosks
- Waiting areas
- Employee communication points
LG lists the display dimensions as approximately 510.3 × 302.1 × 53.8 mm, with a weight of approximately 3.34 kg.
Full HD IPS Display
The LG 22SM3G-B uses an IPS panel with Full HD resolution.
1920 × 1080 Resolution
Full HD provides sufficient resolution for:
- Advertising
- Digital menus
- Product information
- Corporate announcements
- Videos
- Images
- Dashboards
- Wayfinding information
Wide Viewing Angles
The IPS panel provides viewing angles of up to 178° horizontally and vertically, allowing content to remain visible when viewers approach the display from different directions.
This can be particularly useful in retail, hospitality, and public-facing installations.
LG webOS 4.1 Smart Signage Platform
The LG 22SM3G-B includes webOS 4.1, LG’s commercial smart signage operating platform.
The built-in smart signage architecture reduces the need for a conventional PC in many deployments.
The display supports features including:
- Local content scheduling
- USB Plug & Play
- Play via URL
- Screen Share
- Portrait and landscape rotation
- Failover
- Gapless playback
- PIP
- PBP
- Wake-on-LAN
- SNMP
- HDMI-CEC
- Network management
This makes the 22SM3G-B more than a basic monitor—it can function as part of a remotely managed digital signage network.
Connectivity
The LG 22SM3G-B provides several connectivity options for commercial deployments.
HDMI
The display includes two HDMI inputs with HDCP 2.2 support.
USB
A USB 2.0 Type-A connection supports USB media and Plug & Play functionality.
Ethernet
An RJ45 LAN connection allows wired network connectivity.
Wi-Fi
Built-in Wi-Fi allows the display to connect to a network without requiring an additional wireless adapter.
RS232C
RS232C connectivity provides additional options for professional display control.
LG lists HDMI, USB 2.0, RS232C, RJ45, IR, and audio among the primary interfaces for the model.
Where Can the LG 22SM3G-B Be Used?
Retail Shelves
The compact screen can be positioned near products to display:
- Pricing
- Product specifications
- Promotions
- Videos
- QR codes
- Brand advertising
Checkout Areas
Display impulse-purchase promotions, loyalty programs, advertisements, and customer information.
Restaurants and Cafés
Use the screen for:
- Small digital menus
- Daily specials
- Promotions
- Pickup information
- Order information
Corporate Offices
Display meeting information, employee announcements, room schedules, dashboards, and internal communications.
Hotels
Use compact displays around reception areas, elevators, conference rooms, and other guest areas.
Healthcare Facilities
Display patient information, room information, directions, announcements, and waiting-area communications.
Schools and Universities
Use smaller displays for classroom schedules, room information, announcements, and campus communications.
LG 22SM3G-B for Digital Signage
The display’s combination of webOS, built-in networking, Full HD resolution, and commercial operating specifications makes it well suited to smaller digital signage installations.
A digital signage platform can be used to remotely manage content such as:
- Images
- Videos
- Advertisements
- Announcements
- Menus
- Schedules
- Presentations
- Dashboards
- Promotions
Instead of manually replacing content using USB drives, organizations can use compatible digital signage software to centrally manage screen content.
Why Use Buzzblender with the LG 22SM3G-B?
Buzzblender provides a simple way to manage compatible LG digital signage deployments from the cloud.
Only $5 Per Screen Per Month
Buzzblender costs just $5 per screen per month, making it particularly attractive when deploying multiple smaller displays throughout a business.
LG webOS Support
Buzzblender can be used for compatible LG webOS digital signage deployments, helping organizations manage content without adding unnecessary complexity.
Cloud-Based Management
Update signage content remotely rather than visiting every display.
Content Scheduling
Schedule:
- Promotions
- Menus
- Announcements
- Advertising
- Employee communications
- Events
- Informational content
Playlist Management
Create playlists that automatically rotate content throughout the day.
Multi-Screen Management
Manage one LG display or a larger network of screens from a centralized platform.
Multi-Location Management
Organize displays across different stores, offices, restaurants, schools, or other locations.
LG 22SM3G-B for Retail Digital Signage
The compact form factor makes the 22SM3G-B particularly interesting for retail applications.
Instead of placing signage only on large screens around a store, retailers can position smaller screens close to the point of purchase.
For example, displays can show:
- Product demonstrations
- Price promotions
- Product comparisons
- Loyalty offers
- Seasonal campaigns
- QR codes
- Cross-selling recommendations
This allows digital signage to become part of the customer’s shopping experience rather than simply functioning as general advertising.
LG 22SM3G-B for Meeting Rooms
The display can also be used outside meeting and conference rooms.
A small screen can display:
- Room name
- Current meeting
- Upcoming meetings
- Room availability
- Department information
- Company announcements
Its compact size makes it easier to install in areas where a full-size commercial display would be unnecessary.
Portrait and Landscape Installation
The LG 22SM3G-B officially supports both portrait and landscape orientations.
Landscape Mode
Useful for:
- Videos
- Dashboards
- Menus
- Presentations
- General advertising
Portrait Mode
Useful for:
- Digital posters
- Directories
- Product information
- Room signage
- Promotional campaigns
This flexibility allows organizations to adapt the screen to the available installation space.
16/7 Commercial Operation
LG specifies the 22SM3G-B for 16/7 operation, meaning up to 16 hours per day, seven days per week.
This makes it suitable for locations such as:
- Retail stores
- Offices
- Restaurants
- Schools
- Clinics
- Hotels
- Reception areas
For applications requiring continuous 24/7 operation, a display specifically rated for 24/7 commercial use may be more appropriate.
LG 22SM3G-B vs Consumer Monitor
LG 22SM3G-B
- Commercial digital signage display
- webOS 4.1
- Built-in Wi-Fi
- 8 GB internal storage
- 16/7 operation
- Portrait and landscape support
- Remote management capabilities
- Commercial signage features
Consumer Monitor
- Primarily designed for desktop use
- Usually requires an external computer
- Limited signage management capabilities
- May not support commercial operating schedules
- Typically lacks integrated signage CMS functionality
For permanent digital signage installations, the LG commercial display provides functionality that a basic desktop monitor may not offer.
Take control of your screens today with Buzzblender
Frequently Asked Questions
What is the LG 22SM3G-B?
The LG 22SM3G-B is a 21.5-inch Full HD commercial digital signage display featuring an IPS panel, built-in Wi-Fi, 8 GB internal storage, and LG webOS 4.1.
What resolution does the LG 22SM3G-B have?
It has a native resolution of 1920 × 1080 Full HD.
How bright is the LG 22SM3G-B?
LG specifies typical brightness of 250 nits.
Does the LG 22SM3G-B support webOS?
Yes. It uses webOS 4.1.
Does it have built-in Wi-Fi?
Yes. Built-in Wi-Fi is included.
Can it be installed vertically?
Yes. LG officially supports both portrait and landscape installation.
Is the LG 22SM3G-B a 24/7 display?
No. LG rates this model for 16/7 operation.
Does it support VESA mounting?
Yes. The display uses a 100 × 100 mm VESA mounting interface.
Can I use digital signage software with it?
Yes. The 22SM3G-B is specifically designed as a commercial digital signage display and includes LG’s webOS smart signage platform.
How much does Buzzblender cost?
Buzzblender costs just $5 per screen per month.
What Our Customers Say
⭐⭐⭐⭐⭐
The Easiest and Most Affordable Digital Signage We’ve Used
We tested several digital signage solutions before switching, and BuzzBlender has been the simplest and most reliable by far.
Setup on our Samsung displays was fast, and managing content is incredibly easy—even for non-technical staff. We can update screens in real time, run promotions, and control everything remotely without extra hardware.
Compared to other systems, it stands out for both ease of use and pricing. Just five dollars.
Vasiliy, co-founder of Ecomind


