The VP-400N is a high-performance distribution amplifiers for computer graphics video signals with resolutions ranging from VGA through UXGA and higher. It takes one input, provides correct buffering and isolation, and distribute the signal to four identical outputs. High Bandwidth – 400MHz (−3dB). HDTV Compatible. ID Bit Control.Advanced Sync Processing – Ensures compatibility with a wide range of computers. Selectable Sync Input Impedance – 75ohm (video), 510ohm (Graphics/TTL).Compact Kramer TOOLS – 3 units can be rack mounted side−by−side in a 1U rack space with the optional RK−3T rack adapter.