idVendor: 0x076B iManufacturer: OMNIKEY AG idProduct: 0x3021 iProduct: Smart Card Reader USB bcdDevice: 1.01 (firmware release?) bLength: 9 bDescriptorType: 4 bInterfaceNumber: 0 bAlternateSetting: 0 bNumEndpoints: 3 bInterfaceClass: 0x0B [Chip Card Interface Device Class (CCID)] bInterfaceSubClass: 0 bInterfaceProtocol: 0 iInterface: 0 CCID Class Descriptor bLength: 0x36 bDescriptorType: 0x21 bcdCCID: 1.00 bMaxSlotIndex: 0x00 bVoltageSupport: 0x07 5.0V 3.0V 1.8V dwProtocols: 0x0000 0x0003 T=0 T=1 dwDefaultClock: 3.000 MHz dwMaximumClock: 12.000 MHz bNumClockSupported: 0 (will use whatever is returned) IFD does not support GET CLOCK FREQUENCIES request dwDataRate: 8065 bps dwMaxDataRate: 96774 bps bNumDataRatesSupported: 0 (will use whatever is returned) IFD does not support GET_DATA_RATES request dwMaxIFSD: 254 dwSynchProtocols: 0x00000007 dwMechanical: 0x00000000 No special characteristics dwFeatures: 0x000205B2 ....02 Automatic parameter configuration based on ATR data ....10 Automatic ICC clock frequency change according to parameters ....20 Automatic baud rate change according to frequency and Fi, Di params ....80 Automatic PPS made by the CCID ..01.. CCID can set ICC in clock stop mode ..04.. Automatic IFSD exchange as first exchange (T=1) 02.... Short APDU level exchange dwMaxCCIDMessageLength: 271 bytes bClassGetResponse: 0x00 bClassEnveloppe: 0x00 wLcdLayout: 0x0000 bPINSupport: 0x00 bMaxCCIDBusySlots: 1