... for sample test ,7-20 days for mass productSpecifications1.USB TO RS232 Adapter , High -quality USB-DB9M 2. CE,FCC,ROHS 3 ... serial interface 9-pin RS-2322.0 USB-DB9M TO RS232 AdapterDetails:1.USB TO RS232 Adapter , High -quality USB-DB9M2. CE,FCC,ROHS ... RS-2325.Size:67*35*19mmFeature :2.0 USB-DB9M TO RS232 Adapter1. USB2.0 format is completely backward compatible with USB1 ...