1.USB TO RS232 Adapter , High -quality USB-DB9M 3. RS232 DB9M 4 ... sample test ,7-20 days for mass productSpecifications1.USB TO RS232 Adapter , High -quality USB-DB9M 2. CE,FCC,ROHS ... 9-pin RS-2322.0 USB-DB9M TO RS232 AdapterDetails:1.USB TO RS232 Adapter , High -quality USB-DB9M2. CE, ... Linux/MAC/Windows98 \ ME \ XP \ Vista \ 7. Product picture : Wireless 2.0 USB-DB9M TO RS232 Adapter high speed