... can be used to convert any standard USB port (USB 2.0 – backward compatible) into two ... grade design, adds two RS-232 ports to USB port, compatible with MDT,PND.• FTDI 232BL ... self-adjusting).• Remote Wakeup Capable• 1.5 Metre Cable• Surge protection, ± 15KV ESD protection• Supports ... and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND