AV transmitter & receiver 1600 x 1200 pixels Black Maximum transfer distance: 150 m DC-in jack Extend and distribute a VGA signal to up to 4 displays over Cat5 cableThe ST1214T 4 Port VGA Video Extender over Cat 5 allows a single VGA source to be broadcast to up to four remote displays at distances of up to 500 feet (150 meters). Designed for use with our ST121 VGA Video over Cat 5 extension series of devices, the ST1214T is one of many options designed to help you create a custom VGA distribution and extension solution for many applications including digital signage and video conferencing. Consisting of the transmitter unit only, this product requires a single ST121R receiver unit per remote display that you are connecting. If you are looking for an eight port transmitter solution, we offer our ST1218T 8 port VGA extender unit. For even more versatility, the ST121EXT VGA over Cat 5 Repeater can be used to increase the total VGA extension distance by an additional 500 feet(150 meters),