The BS11-LA is developed for width areas, where the 3 meters range of a BS11-BL are not enough. The SI-Station comes with a ground antenna of length 6 or 9 metres, which is plugged in the SI-Station. The SPORTident ActiveCard (SIAC) can register the start, intermediate and finish times in a range up to 6 or 9 meters depending on the length of the ground antenna. The SI-Station can be controlled and also be charged by USB interface.

The number of SIACs can be registered simultaneous is unlimited. The BS11-LA can be configured with the software SI-Config+. The SI-Station only works in combination with the ground antenna.