Overview: Converts standard USB (Universal Serial Bus) port to RS232 9 Pin Serial port Support RS 232 interface DB9 Supports over 1 Mbps data transfer rate Supports remote wake up & power management USB 2.0 compliant USB: Type A Male RS232: Male Windows 2000/XP/ Vista/7 Specification: Weight Approx:49.1g Size Approx:6.3 x 3.4 x 1.5