... -power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL- Supports 3.20, 3.43, 3.69, 4 ... , 6.00, 6.86, 8.00, 9.61, 12.0 and 16.0 MHz forsmartcards- Supports standard ftdi_sio driver for Windows ... available.- Works on all Dreambox Models with USB connection- Can be cascaded with more SmartReaders using a USB Hub. Smargo(smartcard reader usb port)