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This Calrad 40-HDMIR-1 inline repeater will amplify any standard HDMI signal up to video resolutions of 4K@60hz. Simply connect this unit in between two HDMI cables, (the repeater inline closest to display end) and your connection will instantly be supercharged. This repeater will digitally amplify and boost the HDMI signal, which in turn will significantly extend the maximum transmission distance between your source and display devices.