My venue currently uses a mobile device with the Gateway mode. Can this be used for SE check-outs? June 23, 2022 12:29 Updated Yes. The SafeEntry (Business) App can be toggled between check in/out modes and can be used for check-outs. Related articles What is the 'Gateway mode' on the SafeEntry (Business) app? How does it work? How close should users hold the TT App or Token to the SafeEntry(Business) app for it to be detected? Where can I see a step-by-step guide to setting up SafeEntry?