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 500ft (150m). Designed for use with ST121 VGA video over Cat 5 extension series of devices, the ST1214T is one of many options designed to help 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 are connecting. Provides crystal clear picture quality. Pure hardware design, no software or drivers required. Ideal for digital signage applications in financial, educational, and business sectors and extend display across harsh environment industrial sites.