STARTECH Vga Video Extender Over Cat5 (st121 ST121UTP, 2 - Local Unit Connectors: VGA (15 pin, High Density D-Sub), 1 - Local Unit Connectors: RJ-45 / VGA (15 pin, High Density D-Sub), 2 - Remote Unit Connectors: VGA (15 pin, High Density D-Sub), 1 - Remote Unit Connectors: RJ-45, Ports: 1, Cabling: Cat 5e UTP or better, Audio: No, Daisy-Chain: No, Material: Aluminum The ST121UTP VGA Video Extender over Cat5 allows you to extend your VGA video signal by up to 150 meters (500 feet) and connect up to 4 displays (2 local and 2 remote) from that single source.