StarTech.com VGA Video Repeater for VGA over CAT5 Extenders - VGA Repeater for Line of ST121 VGA Extenders - 500 ft. 150 m Extra reciever for StarTech.com VGA over CAT5 Transmitters ST121UTP / ST1214UTP / ST1218T / ST121R Resolutions up to 1024 x 768 Works with transmitter to extend VGA up to 500 ft. (150 m) VGA over CAT5 / VGA video extender / VGA CAT5 repeater / VGA over CAT6