Transponder timing (also called chip timing or RFID timing) is a technique for measuring performance in sport events. A transponder working on a radio-frequency identification (RFID) basis is attached to the athlete and emits a unique code that is detected by radio receivers located at the strategic points in an event.
Typically players get 30 seconds per decision. On top of that, in most poker tournaments operating a shot clock, players get a certain amount of time bank cards. These cards are typically worth an additional 30 or 60 seconds.