... two RS-232 ports to USB port, compatible with MDT,PND.• FTDI 232BL single chip solution• RS-232 data & signals: TX, RX, RTS, CTS ... and play (hot-pluggable, data format auto-sensing and self-adjusting).• Remote Wakeup Capable• 1.5 Metre Cable• Surge protection, ± 15KV ... bit), Win CE, Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND