The Atlona AT-HD-V44M 4x4 HDMI Matrix Switch with RS-232 and IR Remote is designed to work as a switcher for multiple sources and displays. With a maximum bandwidth of 6.75Gbps, the Atlona AT-HD-V44M 4x4 HDMI Matrix Switch will support a sharp and highly defined video in multiple resolutions of up to 1080p. Because it is a matrix switcher, it allows any input to be routed to any output; or the same input to be routed to all outputs or any combination. The Atlona AT-HD-V44M 4x4 HDMI Matrix Switch completely eliminates the need to constantly move around video input and output cables. RS-232 control allows the switcher to be controlled by systems like Crestron or any computerized software/hardware control systems. The Atlona AT-HD-V44M 4x4 HDMI Matrix Switch comes with IR remote control as well.