Sierra Wireless Sprint 597U USB Compass 3G AirCard Modem Reliable High Speed Wireless Data Access Where Available average download speeds of 600 kbps - 1.4 Mbps, and average upload speeds of 350 - 500 kbps. Packaged with Sprint SmartView (TM) Software for connectivity Compatible with Windows XP Vista, 7 , Mac OS X 10.4. Included: Card only, software available for free at Sprint site.