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