Model: CreditCard Ethernet+Modem 28.8 (CEM28)
Operating System: Windows 95 (Note: might work with other versions of this os.)
Does NOT Support CEM28-10BT, CEM28-10BC
"Disk 1 of 3 (This disk contains ALL Software needed for Windows 95 and NT Installations)
FOR UNITED STATES/CANADA/INTERNATIONAL CEM 28.8 ADAPTERS
You should also obtain CEM28DRV.EXE and CEM28AUP.EXE which contain drivers & flash upgrade for the product."