The Option GT Max 3.6 Express is designed to work both in the US and abroad. Frequencies Supported GSM/GPRS 850, 900, 1800, 1900 UMTS/HSDPA 850, 1900, 2100 Multislot configuration GPRS Multislot class 12 capable (4x4 max 5 total) HSDPA Class 1-4, 5, 6, 11, 12

Tethering capabilities
The Option GT Max 3.6 can be configured to connect to the internet via Communication Manager and Dial-up Networking in Windows. Macintosh OS X users can also connect to the internet via Option Globetrotter Connect.

Advantages:

• 3G high speed wireless data up to 3.6Mbit/s over HSDPA.
• Secure Internet access wherever there is mobile network coverage.
• Global roaming on EDGE/GSM/GPRS networks.
• Simple installation and use.
• Supported by AT&T software.
• Rugged and reliable design.

• International voice and GPRS data roaming are available on international GSM/GPRS networks where AT&T has established roaming agreements.
• International network utilize different frequencies and not all phones contain all frequencies.
• To ensure availability of service, check the frequency of both the PC card and the international networks.
• When traveling outside the U.S., customer support is available 24 / 7, contact AT&T Customer Service for wireless customers.