Sierra Wireless AC875 EDGE/UMTS Laptop PC Card (AT&T) Surf the Internet, Check Email, Connect via VPNs for Corporate Network and Email Connectivity Compatible With Both AT&T 3G High-speed Broadband Connect And Nationwide EDGE Data Networks AT&T 3G Broadband Connect Offers Download Speeds Between 400 and 700 Kbps, With Bursts To 2 MBps Compatible With Microsoft& Windows& 2000, XP, Vista (when commercially available) PC Card Type II