The Racelink Club is used for live tracking of all vehicles, speed measurement, and it has integrated LED panel for on-board flag signals for drivers.
The X2 LED Bar shows safety flags as communicated through RF by RaceControl. It is an add on to marshals flagging. The X2 LED Bar functions in combination with the X2 RaceLink Club or X2 RaceLink Pro.
Note: The RF antenna cable is 1m (3.3ft) in length. You can purchase a 10 foot extension cable at the following link https://store.livetimescoring.com/gps/for-teams/rf-antenna-cable-for-mylaps-racelink-pro-and-club-10-feet/