SSI 33180 CONTROL PROCESSOR BASIC BOARD TWO READERS EXPANDABLE TO EIGHT READERS 20,000 CARD/KEY DATABASE 2,000 ACCESS TRANSACTION RECORD REPORTING RS485 NETWORK TEN SSI 33180'S FOR 240 READERS 32 TIMEZONES                                                                                             SSI 3300 CONTROL PROCESSOR BASIC BOARD TWO READERS AND TWO KEYPADS EXPANDABLE UP TO TWENTY FOUR READERS AND KEYPADS 6,000 CARD/KEY DATABASE 1,000 ACCESS TRANSACTION RECORD REPORTING 32 TIMEZONES