The Gemplus 54mm ExpressCard Smart Card Reader from Lenovo (41N3043) features includes: An ExpressCard reader for systems with a 54-mm ExpressCard slot Communications speed with Smart Card: 344 Kbps Power consumption Idle mode: 50mA Active mode: 105mA (typical), 200mA (maximum) Suspend: 1mA Read and write capability to all ISO-7816-compatible Smart Cards User authentication via third-party applications (not included with reader)