johan@geuze:/tmp$ hciconfig hci0 version
hci0:   Type: USB
        BD Address: 00:02:5B:00:B9:CA ACL MTU: 384:8 SCO MTU: 64:8
        HCI Ver: 2.0 (0x3) HCI Rev: 0x7a6 LMP Ver: 2.0 (0x3) LMP Subver: 0x7a6
        Manufacturer: Cambridge Silicon Radio (10)
johan@geuze:/tmp$ hciconfig hci0 revision
hci0:   Type: USB
        BD Address: 00:02:5B:00:B9:CA ACL MTU: 384:8 SCO MTU: 64:8
        HCI 19.2