4K 60 Hz 4x4 HDMI Matrix Switch with RS232 Control
HDMI Matrix Video Switcher – 4x4 – 4K HDMI 1.4 – Control Switcher with – BuyTESmart.com
Amazon.com: OREI 4K 4x4 HDMI Extender Matrix - UltraHD 4K @ 60Hz 4:4:4 Over Single CAT5e/6/7 Cable with HDR Switcher & IR Control, RS-232 - Up to 230 Ft - 1080P Downscale -