Price - Free after $50 mail in rebate! We guarantee this card will work on 99% of modern computers! The Compass 597U AirCard® USB Wireless modems are a new addition to the Sprint inventory of EVDO Connection cards. Packaged in a stylish, compact form factor, the AirCard Compass 597U USB modem can either plug directly into any USB port, or can be connected via the included USB cable. Compatible with both Microsoft Windows and Mac OS X operating systems, the AirCard USB modems offer customers an alternative to both PCMCIA and ExpressCard solutions. Packaged with Sprint SmartView (TM) Software for connectivity to the Sprint Mobile Broadband Network and Sprint PCS Power VisionSM Network. Mobile Broadband Capable: With the evolution to EV-DO Revision A, users in markets where it is rolled out, will experience faster average download speeds of 600 kbps - 1.4 Mbps, and average upload speeds of 350 - 500 kbps. Compatibility: Windows® XP/Vista, Apple OS X 10.4.9; Interface: USB Port (Laptops or Desktops!) Features: Location Based Services (LBS) & GPS capability on Revision A connections through an enhanced version of the Sprint Connection Manager software. Perform location based searches to find a nearby restaurant, gas station, bank and other points of interest without having to input your current location. Reliable High Speed Wireless Data Access Where Available: Receive broadband-like average data transmission speeds when downloading and uploading data to your PC (when and where available). Security: Employs CDMA wireless technology authentication and identification system for top-notch security. The Mobile Identification Number (MIN) and Electronic Serial Number (ESN), together with CDMA spread spectrum technology, make it virtually impossible for unauthorized users to capture and decipher messages and other sensitive information. Support for latest 3G technology, but backward compatible where 3G is unavailable Software: Zero-CD Install easy software installation - no CD required for both Windows and Macintosh OS users. Just "plug & go". One-Touch Activation - with just "one" more click after software installation, the device will be activated and ready to go. Note: the user must activate this device on a Sprint account before inserting. Firmware: Field firmware upgradeable Dimensions: 1.1" x 3.1" x 0.4 " 0.8 ounces Tech Specs: Leverages the CDMA2000 1x/EV-DO network with 800/1900 MHz frequency. Included Accessories: Carrying pouch and USB Connection Cable Availability: Available Now - Free after $50 mail in rebate!.