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White rectangular ultra-short-throw projector with front lens and side vents

NEC

NEC UM351W business projector 3500 lumens WXGA ultra-short throw

SKU CH-EDTG-KN0YC MPN UM351W

Ultra-short-throw business projector delivers 3500 ANSI lumens at WXGA resolution for large images in small rooms

  • Type3LCD
  • Brightness3000 - 3500 lumens
  • Native Resolution1280 x 800
  • Contrast Ratio500:1
  • Network ConnectorsRJ45
  • USBYes
  • Bright 3500 ANSI lumens for clear images in lit rooms
  • Ultra-short throw projects large picture from 4 to 28 inches away
  • 3LCD technology delivers consistent colour without rainbow artefacts
  • Built-in speakers and RJ45 LAN simplify meeting-room setup
  • WXGA 1280 x 800 native resolution with 1080p HD video support

Ultra-short throw for small rooms

The NEC UM351W is a 3LCD business projector rated at 3500 ANSI lumens with a native 1280 x 800 resolution and 16:10 aspect ratio. It accepts 1080p input and includes built-in speakers for self-contained presentations. The ultra-short throw design suits classrooms and meeting rooms where space behind the screen is limited.

Mounts inches from the screen

With a throw ratio below .4 the unit sits between 4 and 28 inches from the projection surface, removing shadows and eye glare for presenters. Connectivity covers HDMI, VGA, composite, S-Video, USB Type-A and Type-B, RJ45 LAN, RS232 and audio in and out, so it integrates with laptops, document cameras and control systems without extra adapters.

Consistent brightness during long sessions

The 3LCD engine maintains colour output without the rainbow effect associated with single-chip designs, while the 4000:1 contrast ratio keeps text legible under ambient light. Filter-free cooling and a sealed optical path reduce maintenance interruptions, and Crestron RoomView support allows remote monitoring across a campus network.

Highlights

  • Bright 3500 ANSI lumens for clear images in lit rooms
  • Ultra-short throw projects large picture from 4 to 28 inches away
  • 3LCD technology delivers consistent colour without rainbow artefacts
  • Built-in speakers and RJ45 LAN simplify meeting-room setup
  • WXGA 1280 x 800 native resolution with 1080p HD video support

Specifications

Type3LCD
Brightness3000 - 3500 lumens
Native Resolution1280 x 800
Contrast Ratio500:1
Network ConnectorsRJ45
USBYes
Built-in SpeakersYes

Questions about this item

How close can the UM351W sit to the screen while still filling a large image?

The ultra-short-throw lens projects a full-size picture from 4 to 28 inches away, so the unit can sit almost against the whiteboard.

What is the fan noise level during all-day classroom use?

NEC does not publish a decibel figure for this model; the 3LCD engine and 3500-lumen output are cooled by an internal fan that runs continuously.

Which cables are required to connect a laptop and network the projector?

An HDMI or VGA cable carries video, while an RJ45 Ethernet cable enables LAN control and Crestron RoomView management.

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