THE GOOD The Sierra Wireless 598U for Sprint offers EV-DO Rev. A data speeds and includes integrated GPS. The portable modem can also double as a storage device via microSD card and is compatible with Windows and Mac.
THE BAD The desktop client lacks the capability to send, receive, or manage text messages like its competitors can.
THE BOTTOM LINE If you're looking for a fast, reliable, portable cellular modem, the Sierra Wireless 598U delivers and even offers GPS.