Extend a vga signal to a remote display using cat5 cabling the st121utpep vga video extender over cat5 point to point lets you connect a remote vga displayprojector up to 80m 250ft away from the vga signal source the st121utpep is a bundled kit that includes both a local and a remote unit providing a complete end to end solution for a single sourcedisplay connection transmitting the source vga signal over a standard ethernet cable cat5e or better utp cable terminated with rj45 conn