Sprint today starts selling the 598U USB wireless modem by Sierra Wireless. The USB modem has a built-in microSD card slot and supports Sprint's EV-DO Rev. A, Rev. 0 and 1X network technology. Here is more info on the Sierra Wireless 598U modem from Sprint:
The Sierra Wireless 598U, available exclusively from Sprint, offers an ultra-portable, convenient and reliable connection to your online friends, family and colleagues on the high-speed Sprint Mobile Broadband Network. Download a 1 MB report in six seconds, while dining in a restaurant. Send a 1.5 MB photo of your kid?s class in 24 seconds from the park. Send a 500 KB presentation to your client in eight seconds from your hotel.
* Download speeds between 600 kilobits per second (kbps) and 1.4 megabits per second (Mbps) and upload speeds of 350 to 500 kbps on average, wherever EV-DO Rev. A network coverage is available. Also supports EV-DO Rev. 0 and 1XRTT network technology. * Enhanced GPS support provides access to navigation and location-based applications like local movie and restaurant reviews. * A microSD expansion slot provides convenient back up storage or file transfer on memory cards of up to 32 GB, so you can carry high resolution images, large music files, presentations and other necessary documents with you wherever you go and share them as needed. * Sprint?s SmartViewSM automatic installation software, available for both Mac and PC users, installs directly from the modem on first insertion. * Hands-free activation on the Sprint Mobile Broadband Network makes it quick and easy to get up and running. * Laptop clip and 20-inch USB extension cable included for convenient usage options. * New innovative design with graphics that light up when the device is inserted into a laptop.
* Price: For as low as $0 with a 2-year Agreement (MSRP $249.99 ? $199.99 Instant Savings ? $50 Web special pricing = $0) * Dimensions: 2.9 x 0.9 x 0.4 in. (74 x 24 x 11 mm) * Weight: 24 grams