The AT&T USBConnect Mercury provides enhanced mobile broadband performance for quick and easy access to email, the Internet and business applications while on-the-go. AT&T USBConnect Mercury's compact USB form factor is designed with the latest in wireless data technology for use on the nation's fastest 3G network. The integrated microSD card slot provides a portable file transfer and storage solution, eliminating the need for additional hardware. The Mercury is backwards compatible to the national EDGE network ensuring the optimal balance of performance and coverage.