The Storage Module Tablet is an item added by RFTools. It is used to remotely access linked inventories.
In order to be useful, a Tier 1, Tier 2, or Tier 3Remote Storage Module or a Storage Control Module must be installed in the tablet. This is done in a Crafting Table (see Recipe). Once installed, right-clicking with the tablet selected will allow access to the linked storage as if clicking directly on it as long as the linked storage item is in range (i.e. the chunk containing the linked storage item is loaded). A tablet can be delinked from a storage item by using the Crafting Table as well.
The tablet must be charged with 20,000 RF before it can be used.