It is a flexible distribution hub that can be cascaded up to 8 layers at 1080p, 2K, 4K. Provides 100ft long distance transmission, 40 to input 60 from outputs. The LK-3140 is HDCP compliant and supports the newest HDMI 1.4B Version at 720i, 720p, 1080i/p, 2K, 4K and 3-D resolutions.It is also compliant with all prior HDMI and DVI standards as well as digital audio formats such as LPCM, Dolby AC-3, DTS 7.1 and DSD.