Description from Option.com..... More details at http://www.option.com/products/2_1_1_specifications.shtml

Universal Tri-band GPRS/GSM PC-Radio Card

GlobeTrotter is the ultimate solution to provide high performance wireless functionality for Laptops, Notebooks, and Handheld PDA’s enabling users to make telephone calls, browse the Internet, send and receive e-mails with SIM phonebook management seamlessly integrated with Microsoft OutlookTM.
The “Always On” feature of GPRS lends itself to real time remote connectivity and is ideal for the synchronisation of handheld and mobile devices with the office or home computer. GlobeTrotter is designed to support IPsec client software providing secure remote IP mobile access to corporate networks.

Connect anytime, anywhere!