AT&T Option GT Ultra Express Card Unlocked - Retail

Work seamlessly between AT&T's 3G and EDGE networks

Access email, internet and business applications while on-the-go

Global compatibility with the world standard for wireless - GSM

Throughput up to twice as fast as previously available

Quad-band GSM/GPRS/EDGE, tri-band UMTS/HSDPA/HSUPA

Expected HSDPA download speeds of 600 Kbps - 1.4 Mbps

Expected HSDPA upload speeds of 500-800 Kbps

Expected EDGE download speeds of 70-135 Kbps

Flip-up antenna for optimal mobile broadband performance

OS support for Microsoft Windows 2000, XP, Vista

Compatible with Apple Mac OS X (version 10.4 or later)

Plug-and-play compatibility with AT&T Communication Manager software

Designed to work in newer laptops with ExpressCard slots