Tripp Lite’s B165-101 RS232 / Serial over Cat5 Extender Kit is a low cost solution that provides remote access and control of any RS232 protocol device. Use for touch screen displays, PC to PC file transfer and any serial extension application. The B165-101 extends control of a serial device to over 1,000 meters ( 3280ft ). Model supports full-duplex data communication. Features plug-in-play technology, no software or drivers required. Compatible with all RS-232 protocols. The B165-101 comes with one local unite, one remote unit, 2 external power supplies and Owner’s Manual.