Keyspan USA-19QW - USB TO SERIAL PORT ADAPTER - tested good

For Sale:  Tested and working high speed serial port to USB adapter. Works perfectly, no issues, plug and play with Windows and probably Mac too. Includes USB cable.  I still have drivers for this for Windows 95 and 3.1 and can email them to buyer if requested.

Email for additional and/or higher resolution photos.

Email your zip code for shipping cost quote- should be between $3.99 and $5.99 if you are in the U.S.A. (Feb. 2017).