You will have 100 touch points per Tile unit, up to a maximum amount of 254 touches (in total). The 254 touches is a limitation for Windows 10. In other Operating Systems, it may vary accordingly their specifications.
Yes! You can use the Tile as:
You can use up to 6 TAGs per Tile unit. If you have, for example, two Tile units, you can use 6 different TAGs for each Tile unit, in a total of 12 TAGs (2 X 6)
We do not recommend the use of USB HUBs as they can cause power and USB communication instabilities over time. In the alternative, you should use USB active extensions and/or USB expansion boards (for the computer)