The XTENDEX® ST-C5KVMRS-600 from NTI is a KVM extender kit
comprising of a duo transmitter and receiver. It provides
transmission of signals between the remote KVM(PS/2 keyboard,
PS/2 mouse, and VGA monitor) and computer or NTI KVM switch
up to 600ft away over CAT5/5e/6/6a cable. It has a quality,
rugged design and supports resolutions up to 1920x1440. Users
get the sharpest and brightest VGA transmission over any
CAT5. This system comes with bi-directional RS232 control.