A bit line sense amplifier and method thereof are provided. The RFID module interfaces internally to the controller for tight integration therewith. A non-system card functions as a message transport controller card; and there is at least one further non-system card which functions as a master application controller card. A pair of locking slots are cut into the support transversely to and in communication with the axial slot so that the mounting pins can be rotated within the locking slots. The largest Y of the N average values are set equal to a first binary value, and a remainder of the N average values are set equal to a second binary value.