• Easy and instant projection with AutoProject™ Key
  • Manage content from up to 60 connected devices
  • Concurrent support for WiFi, Miracast, and DLNA
  • Real-time annotation and screen interaction
  • Dual band wireless support


The ViewSonic ViewSync® 3 Wireless Presentation Gateway enables instant streaming of Full HD 1080p content from multiple devices to a single projector or display. Using the AutoProject™ Key (a USB dongle), users can wirelessly and conveniently plug-and-play from their own devices such as laptops, tablets, and smartphones. With support for up to 60 connected devices, the ViewSync 3 delivers a fully interactive group presentation experience ideal for classrooms and meeting rooms. For better organization of the lesson or meeting, a Moderator Mode provides a preview of the content on all connected devices. In addition, an Annotator Mode and USB back channel functions enable the host to interact and annotate directly on the display screen, as well as assume full mouse and keyboard control. With easy streaming and convenient features for controlling content from multiple devices, the ViewSync 3 is an ideal wireless group presentation gateway for classrooms and boardrooms.
AutoProject Key

Easy and Instant Projection
with AutoProject Key

With the AutoProject Key USB dongle, enjoy quick and easy streaming of 1080p content with no wires and no cables. Instantly share content from laptops by simply plugging the AutoProject Key* into a USB port.

*ViewSync3 includes two pre-made AutoProject Keys, which can be copied an unlimited number of times via USB.

USB Type-A
AutoProject Key
Manage Content

Manage Content from
Over 60 Connected Devices

Ideal for interactive seminars, lecture halls, or large meeting groups, this wireless presentation gateway allows for simultaneous connection to over 60 devices. A Moderator Mode enables a single person to preview, control, and moderate the content from these devices, and choose the information that is shared on the projector or display.

Moderator Mode
60 devices
Manage Content
Concurrent Support

Concurrent Support for
WiFi, Miracast, and DLNA

With support for 2.4GHz / 5GHz WiFi, Miracast screen mirroring, and DLNA media streaming, this wireless presentation gateway allows users to seamlessly connect and share data no matter their device.

Concurrent Support
Real-time Annotation and Screen Interaction

Real-time Annotation
and Screen Interaction

An Annotator Mode allows two users to simultaneously write and annotate on content displayed from Windows or Mac laptops. These annotations can be instantly saved and shared with the rest of the audience for simple, yet effective interaction.

Real-time Annotation and Screen Interaction
Dual Band Wireless Support

Dual Band
Wireless Support

This device offers a 2.4GHz and 5GHz dual band wireless transmission that smoothly streams multimedia content such as videos and images, without any delays. The 2.4GHz frequency is perfect for web browsing and presentations, while the wider bandwidth of 5GHz is perfect for streaming high-quality videos and games.

2.4GHz and 5GHz
Smooth playback
Dual Band Wireless Support

Product Specifications

Most Viewed Specs

Wireless Connectivity

802.11a/b/g/n 2.4GHz / 5GHz

Frequency Band


Flash Memory

256MB / 512MB

CPU Processor Type