USB to Serial adapter providing two RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 384 byte receive FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8 with additional drivers for both Mac OS X and Linux. USB to serial is the quick low cost way to connect your computer to a serial comms enabled device. Boost software gives industryleading functionality and compatibility.These products do away with traditional issues with USB technology so you can buy with confidence!With Brainboxes industry renowned Lifetime Warranty and Lifetime Support!