Description : This USB to (RS-232/RS232) Serial port (Male Connector) device provides a simple and easy way to connect Universal Serial Bus(USB) and Serial port interface, With the advantage of USB port, user have the capability to utilize the peripheral with serial port interface in an easy to use environment such as plug and play & hot swap function, This adapter is designed for ideal connections to Cellular phone, Digital Camera, modems or ISDN terminal adapter with over 1Mbps data transfer rate. Specification & Features: USB specification revision 1.1 & 2.0 compliant. Small volume, easy installation No power supply needed. Automatic detective serial signal rate. Baud rate: 300-115200bps, automatic sense serial signal rate Working temperature: -20 to 60 centigrade Support Windows 98/ME/2000/XP/Vista,Windows7,MAC,Linux