Simple installation and operation with COM port retention provides robust serial connectivity for legacy devices with minimal hassle， Easy plug and play installation with USB Powered device - no power outlet required， Extensive list of compatible operating systems makes this device perfect for almost any RS232 application， USB to Straight-Through RS232 Serial Adapter， COM Port assignments maintained across reboot， Baud Rate up to 230 Kbps， Powered by an available USB port - no external power adapter required， Single cable design for portability