DSE 2015: Broadsign Launches the Xpress Pro – Includes RS232 and Windows 8.1 EmbeddedMarch 12, 2015 | Home / March 12, 2015 rave-video / DSE 2015: Broadsign Launches the Xpress Pro – Includes RS232 and Windows 8.1 Embedded DSE 2015: Broadsign Launches the Xpress Pro – Includes RS232 and Windows 8.1 Embedded