ViewSonic Digital Signage Current

CDE55G3-1C

ViewSonic CDE55G3-1C 55-inch 4K OS-Free Commercial Display

Screen size: 55"
Resolution: 3840 x 2160
Brightness: 500 nits (typ.)
Contrast: 5000:1

Priceon request

QuotationWithin 1 working day

DeliveryConfirmed with your quote, based on stock

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Overview

The ViewSonic CDE55G3-1C is a 55-inch 4K UHD commercial display that ships without a pre-installed operating system, so there are no bundled apps or background services to manage. It offers 500 nits typical brightness, landscape and portrait orientation, built-in USB media playback for offline content, and USB-C and HDMI 2.1 inputs for visiting laptops. It suits IT-managed reception areas, corridors and meeting rooms across Qatar. Request a quote.

What the CDE55G3-1C is built to do

The ViewSonic CDE55G3-1C is a 55-inch commercial display from the CDEG3 range, built for continuous operation in offices, government buildings, clinics and campuses. It ships without a pre-installed operating system or bundled apps, so there are fewer background services to patch, audit or switch off. It also starts quickly from cold, which suits reception screens that need to show content as soon as they are switched on.

The panel is a TFT LCD with DLED backlight, a 3840 x 2160 native resolution and a 16:9 aspect ratio. Its anti-glare surface has a 3H hardness rating and 25% haze, which helps when a screen faces a window or a bright atrium.

Connectivity for meetings and signage

Three HDMI inputs support HDMI-CEC and HDCP 1.4 and 2.2, and HDMI 2.1 carries 4K at 60Hz. Only HDMI 3 supports ARC, so use that port when audio must return to a soundbar or receiver. The USB-C port carries DisplayPort 1.2, HDCP and data, so a laptop can share its screen through one cable without an adapter. Two USB Type-A ports handle system updates and media playback, letting staff load content from a memory device without a network connection.

Other ports include a VGA input limited to 1080p at 60Hz, a 3.5mm PC audio input, a 3.5mm audio output, an SPDIF output, an RS-232 control port and an RJ45 LAN port that supports Wake-on-LAN. An RS232 adapter is included in the box.

Where it fits in Qatar

Government reception areas: a ministry or authority in Doha showing service announcements from a network-managed playlist, mounted in an air-conditioned lobby.
Meeting rooms for visiting laptops: a company in West Bay or Lusail where guests connect through USB-C while colleagues abroad join by video conferencing.
Schools and training centres: a private school in Al Wakrah or a centre in Education City using portrait mounting for timetables and wayfinding.

What to plan before installation

The operating range is 0 to 40°C with automatic overheat shutdown, and humidity from 20% to 80% RH non-condensing. Qatar summers can pass 45°C, so this display belongs in an air-conditioned interior, away from sun-facing glass and loading bays. Ask your facilities team to confirm cooling and airflow before fixing the panel.

The unit measures 1245 mm wide, 715 mm high and 78.6 mm deep, and weighs 14.3 kg net (19.4 kg gross). Its VESA pattern is 400 x 400 mm. Given the size and weight, a free site survey is a sensible step before wall mounting, especially on plasterboard or a feature wall in a new fit-out. The input is rated 100 to 240 VAC with a plus or minus 10% tolerance, which covers Qatar's 240 V mains, and rated consumption is 75.9 W with Energy Star.

Control and compliance

ViewSonic lists Crestron Connected certification with Crestron XiO Cloud compatibility, Extron IP Link certification, a Q-SYS Verified Plugin and AMX support. These allow lighting, audio, displays and other AV equipment to be controlled and monitored remotely from a central system. Confirm your exact platform with the SmartRooms Qatar team before ordering.

The regulatory list includes Energy Star 8.0, EPEAT Gold, CE EMC, RoHS, FCC/ICES-003 and WEEE, which helps with specification checks in government and education tenders.

Request a quote with your room layout, quantity and intended use, and SmartRooms Qatar will usually send a quotation within one working day.

Highlights

55-inch native 4K UHD panel at 3840 x 2160
OS-free design with no pre-installed apps or services
500-nit typical brightness in landscape or portrait
USB-C with DisplayPort 1.2 and HDMI 2.1 for visiting laptops
Built-in USB media playback for offline signage
Operating range 0 to 40°C with automatic overheat shutdown

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

35 specifications · Source: manufacturer · checked Oct 2026

Display14

Panel Size: 55"
Type/ Tech: TFT LCD module with DLED backlight
Display Area (mm): 1209.6(H) x 680.4(V) (54.6" diagonal)
Native Resolution: 3840 x 2160
Aspect Ratio: 16:9
Colors: 8bit+FRC
Brightness: 500 nits (typ.)
Contrast Ratio: 5000:1
Response Time: 6.5ms
Viewing Angles: H = 178, V = 178 typ.
Backlight Life: 50,000 Hours
Surface Treatment: Hardness: 3H, Anti-glare coating, Haze 25%
Bezel: 15.9/15.9/15.9/15.9 mm (L/R/T/B)
Orientation: Landscape & Portrait

INPUT4

HDMI: *3 (all support HDMI-CEC & HDCP1.4/2.2, HDMI 2.1 4K @ 60Hz, only HDMI 3 port support ARC) (Support YUV444/420)
RGB / VGA: VGA IN *1 (1080p@60Hz)
Audio: PC AUDIO IN *1 (3.5mm)
RS-232: x 1

OUTPUT2

Audio: 3.5mm x1
SPDIF: x 1

LAN1

RJ45: x 1 (Support WOL)

USB2

Type A: *2 (for system update & media playback)
Type C: *1 (with DP1.2/HDCP1.4/2.2 + Data2.0)

SPEAKERS1

Value: 10W x 2

POWER2

Voltage: 100-240VAC +/- 10%
Consumption: 75.9W with Energy Star

ERGONOMICS1

Wall Mount (VESA® ): 400x400 mm

OPERATING CONDITIONS2

Temperature (º C): 0 to 40℃ (with Automatic Overheat Shutdown)
Humidity: 20% ~ 80% RH non-condensing

Operating Hours1

Value: 24/7

DIMENSIONS (W x H x D)1

Physical (inch / mm): 1245 (W) x 715 (H) x 78.6 mm(D) / 49.02 "(W) x 28.15 " (H) x 3.09 "(D)

WEIGHT2

Net (lb / kg): 31.53 lb / 14.3 kg
Gross (lb / kg): 42.77 Ib / 19.4kg

REGULATIONS1

Value: 1. US NRTL with CA (TÜV SÜD), 2. FCC / ICES-003, 3. Energy Star 8.0, 4. EPEAT Gold, 5. CE EMC, 6. IECEE CB, 7. RoHS, 8. ErP Directive, 9. REACH SVHC List & DoC, 10. Energy Efficiency Label, 11. WEEE, 12. SCIP, 13. Annex I, 14. Annex II, 15. TPCH DoC, 16. EU Packaging and Packaging Waste Directive, 17. CA Prop 65 DoC, 18. ISTA Certification

PACKAGE CONTENTS1

Value: 1. 3 M power cord by ship area 2. Remote control 3. AAA battery x 2 4. Quick Start Guide 5. RS232 adapter 6. Clamp x 5 7. Screw x 4 8. HDMI cable 3 M (HDMI LA certified) 9. Compliance statement

Downloads

9 files from the manufacturer

PDF Datasheets CDE55G3-1C_Datasheet.pdf 316 KB PDF Manuals & guides CDEG3 Series_QSG.pdf 1.0 MB PDF Manuals & guides CDEG3_Series_UG_ENG.pdf 7.5 MB PDF Drawings & CAD CDE55G3-1C_2d_drawing(pdf).pdf 505 KB URL Drawings & CAD · Opens on manufacturer site CDE55G3-1C_2d_drawing(dwg) URL Drawings & CAD · Opens on manufacturer site CDE55G3-1C_3d_drawing(stp) RFA Drawings & CAD · Opens on manufacturer site ViewSonic_Commercial Display_CDE55G3-1C.rfa PDF Certificates & compliance CDE55G3-1C_PCF.pdf 1.4 MB URL Software & firmware · Opens on manufacturer site CDEG3 series Firmware Pack_20260730

Questions about CDE55G3-1C

What is the ViewSonic CDE55G3-1C designed for?

It is a 55-inch 4K UHD commercial display for digital signage and meeting spaces, shipped without a pre-installed operating system. It suits corporate, government, healthcare and higher education sites where IT teams want fewer software components to manage. In Doha, a common use is a reception or lobby screen that shows announcements and wayfinding all day. Panel brightness is 500 nits typical, so plan the room lighting around it.

What does OS-free mean for security?

The display has no pre-installed apps or background services, which reduces the software that needs patching and auditing. Content and settings are managed on the unit itself, so there is less exposed software than on a general-purpose screen running a full operating system. This suits a government office or clinic in Doha that must limit software on devices connected to its network. Your own IT security policy still applies.

Can it play content without a network connection?

Yes. Built-in USB media playback runs content stored on a USB memory device, and two USB Type-A ports are used for system updates and media playback. A private school in Al Wakrah could refresh its corridor announcements at the front desk by plugging in a drive, with no network setup needed for that step. Plan who will load the drive and how often the content changes.

How do visiting staff connect their laptops?

The USB-C port carries DisplayPort 1.2, HDCP and data, so a laptop can share its screen through one cable without an adapter. HDMI 2.1 also supports 4K at 60Hz on the HDMI inputs. In a West Bay boardroom, visitors can plug in directly, while colleagues abroad join through a separate video conferencing system. Only HDMI 3 supports ARC, so use it when audio must return to a soundbar.

Is 500 nits bright enough for a room with windows?

The panel is rated at 500 nits typical and has an anti-glare coating with 3H hardness and 25% haze. That suits indoor rooms with controlled lighting, such as meeting rooms and corridors. A lobby facing large windows in Lusail may be washed out by sunlight at certain hours, so test sightlines at the planned times and avoid direct glare before installation. Request a quote with the room details so the layout can be checked.

Can it be mounted in portrait orientation?

Yes. The display supports landscape and portrait orientation and has a 400 x 400 mm VESA wall mount. Portrait suits wayfinding in a school corridor in Education City or a directory panel in a clinic in Al Sadd. Confirm the bracket, wall structure and cable route during a site survey before the panel is fixed.

Can I use it outdoors or in a hot storage area?

No. The operating temperature range is 0 to 40°C with automatic overheat shutdown, and humidity must stay between 20% and 80% RH, non-condensing. Qatar summers can exceed 45°C and dust storms are common, so keep the unit in air-conditioned interiors, away from outdoor areas, sun-facing glass and loading bays. Confirm the location with your facilities team before ordering.

How does it integrate with a room control system?

ViewSonic lists Crestron Connected certification, Crestron XiO Cloud compatibility, Extron IP Link certification, a Q-SYS Verified Plugin and AMX support. The RJ45 LAN port supports Wake-on-LAN, and an RS-232 control port is provided, with an RS232 adapter in the box. These allow remote control of lighting, audio and displays from a central system. Confirm your exact control platform with the SmartRooms Qatar team before ordering.

Does it run on Qatar's electricity supply?

The power input is rated 100 to 240 VAC with plus or minus 10% tolerance, which covers Qatar's 240 V mains. The package includes a 3 m power cord, and rated consumption is 75.9 W with Energy Star. Ask your electrical contractor to confirm the socket position near the mounting point and whether a BS 1363 Type G outlet is available there.

How do I request a quote and what happens next?

Send the quantity, location, mounting plan and intended use, and SmartRooms Qatar usually sends a quotation within one working day. Purchase orders (LPOs) and government tenders, including Monaqasat, are accepted, and payment can be made by bank transfer, cheque or purchase order. The product is covered by the manufacturer's warranty. Several units for classrooms or offices can be quoted together.