The entry ban takes effect throughout the Schengen area via the SIS.
An entry ban imposed under section 53 FPG becomes visible through the Schengen Information System to the authorities of the other Schengen states. The entry can stand in the way of entry to these states, not just of return to Austria. An ordinary trip into the Schengen area is therefore as a rule not possible while the ban exists.
The duration of the effect is guided by the duration of the entry ban set in the decision. Anyone seeking clarity about the reach should consider the decision and the entry together.