It then plays them using a trans-reflective, high resolution touch screen and 3-D stereo headphones. Its most remarkable feature it is that it uses GPS "Fast Fix" technology to choose which items to play based the visitor's location within the site. It can also mark the visitor's location on an on-screen map.
The Explorer unit is just one part of the wireless Node network, which also includes:
- Recharging and data collection docks
- A central server
- Web-enabled computers, which staff members use to access Node software
In the next section, we'll look at the Node software in more detail.