USB to Serial providing one RS232 serial port.Up to 921,600 data transfer rates and the 128 byte deep transmit and 256 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 and Windows 7. Comes with Brainboxes Lifetime warranty and Support. 1 Port RS232 USB to Serial adapter compatible Operating Systems include: Windows XP 32 bit & 64 bit Editions, Windows Vista 32 bit & 64 bit Editions, Microsoft Windows 7 32 bit & 64 bit Editions. Microsoft Signed Drivers for: Windows Vista 32 bit & 64 bit editions, Windows XP 32 bit & 64 bit editions, Windows 7 32 bit & 64 bit Editions. Other Approvals: Ports: 1Protocol: RS232Max Baud Rate: 921,600Industrial Standard: No