BluBØX kits that use the Mercury EP4502 are intended for larger systems. The EP4502 is capable of handling up to 64 Readers, 520 Inputs and 516 Outputs, depending on which SIO Boards are selected. The Controller is also capable of handling up to 250,000 users and can have up to 8 card types.
Our kit listing also provides some insight into what is contained. See below for a quick break down of how we number and identify our kits.