San Francisco - Five major PC makers will include Qualcomm's Gobi 3G mobile data technology in laptops, and Qualcomm expects six to nine carriers to support the system by year's end.

Gobi is a dual-mode modem that supports EV-DO (Evolution-Data Optimized) Revision A and HSPA (High-Speed Packet Access), the two main 3G networks in use around the world. It also includes GPS hardware. It is designed to help enterprise employees and other users stay connected wherever they are.

The five biggest PC OEMs