|   | Physical Characteristics | 
| Dimensions | 
80 mm x 67 mm x 28 mm | 
| Weight | 
141 grams(With Standard Desktop Base) | 
  | Environmental Characteristics | 
| Operating/Storage Temperature | 
0 to 55 °C (10-90% Relative Humidity) | 
|   | Host Interface | 
| USB | 
USB 2.0 CCID (USB 1.0 Compliant) | 
| Transmit Speed | 
12Mbps (USB 2.0 Full Speed) | 
|   | Smart Card Interface | 
| Standard | 
ISO 7816  | 
| Protocols | 
T=0, T=1, 2-wire: SLE 4432/42 (S=10), 3-wire: SLE 4418/28 (S=9), I2C (S=8) | 
| Card size | 
ID-1 (full-size) | 
| Smart Card Interface Speed | 
420 kbps (when supported by card) | 
| Smart Card Clock Frequency | 
Up to 8 MHz | 
| Supported Card Types | 
5V, 3V and 1.8V Smart Cards, ISO 7816 Class A, B and C | 
| Power to Smart Card | 
60 mA | 
| Smart Card Detection | 
Movement detection with auto power-off Automatic detection of smart card type Short circuit and thermal protection | 
| 8 Pin Handling  | 
C4 / C8 supported | 
| Embedded Technology | 
OMNIKEY Smart Link Chipset | 
| Status Indicator | 
Dual Colour LED |