Some info right from Cingular Business - Option GT Max 3.6 Express

The Option GT Max 3.6 Express is the most advanced PCI Express card built on the global standard for wireless. It offers you the latest technology so that you can supercharge your laptop no matter where you go! You can quickly access email, the Internet, and business applications. AT&T's LaptopConnect cards are interoperable on our 3G BroadbandConnect and EDGE networks giving you the ideal mix of performance and coverage.

FEATURES

  • Performance and Coverage — Interoperable on AT&T's 3G BroadbandConnect and EDGE networks
    • HSDPA Category 6 (3.6 Mbps downlink / 384Kbps uplink)
    • EDGE Class 12 (216Kbps downlink / 216 Kbps uplink)
  • Global Compatibility with Wireless-GSM
    • UMTS/HSDPA (850/1900/2100 MHz)
    • GPRS/EDGE (850/900/1800/1900 MHz)
  • Advanced Receiver Technology for enhanced 3G performance with an additional antenna which improves reception
  • Simple Setup — Get up and running in less than 15 minutes
  • Supports Microsoft Vista®, Microsoft Windows XP®, Microsoft
    Windows 2000®


› See More: GT Max 3.6 Express USB Wireless Modem