The ATEN VS481C is designed for applications that require the routing of 4 sources to one compatible display device. It enables the reliable transmission at video resolutions up to True 4K (4096 x 2160 @ 60 Hz 4:4:4), data rates up to 18 Gbps, 3D, Deep Color up to 12-bit, & HD lossless audio formats. Integrator-friendly features include Auto Switching modes for auto port selection, bi-directional RS-232, & IR for remote device control. Engineered to meet today’s demand of True 4K signal transmission & user- oriented design, the ATEN VS481C is a powerful solution for a wide range of settings, such as home theater, meeting rooms, trade shows, & shopping centers. Allows up to 4 HDMI sources to be connected to one HDMI display HDMI 2.0 (3D, Deep Color, 4K); HDCP 2.2 compliant Superior video quality- True 4k resolutions of 4k x 2k @ 60 Hz (4:4:4) Built-in bi-directional RS-232 serial port for high-end system control