USB to Dual RS232 converter,adapter FTDI solution Industrial Grade, reliable applicable to kinds ... PND,MDT support The USB to Dual RS232 converter/adapter is a port-powered USB to dual RS-232 ... ports to USB port, compatible with MDT,PND.• FTDI 232BL single chip solution• RS-232 data & signals: TX, RX, ... Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND