Before BioStar 2.7.0, BioStar 2 was limited to 128 Access groups and Access levels.
From BioStar 2.7.0, BioStar 2 can create access groups and access levels infinitely without any restriction.


BioStar 2 allows you to create infinite number of Access group, but this number is limited by the device FW’s and the number is different for each FW.

FW list which can accommodate up to 2048:

Others including Entry devices with firmware version V2.x can accommodate up to 128 access groups
Sync error occurs when the number of Access Groups for the FW exceeds its limit.