... 1.USB TO RS232 Adapter , High -quality USB-DB9M 3. RS232 DB9M 4.Supports DB9 serial interface 9-pin ... ,7-20 days for mass productSpecifications1.USB TO RS232 Adapter , High -quality USB-DB9M 2. CE,FCC ... DB9 serial interface 9-pin RS-2322.0 USB-DB9M TO RS232 AdapterDetails:1.USB TO RS232 Adapter ... , High -quality USB-DB9M2. CE,FCC,ROHS 3. RS232 DB9M4.Supports DB9 serial interface ...