StarTech.com EXTEND-HDMI-4K40C6P1 AV extender AV transmitter & receiver Black
HDMI splitters
Amazon.com: HDMI Switch 4K@60Hz【Upgraded】3 in 1 Out HDMI Splitter, 3 Port Hdmi Switcher Box Supports Full HD 4K 1080P 3D,Multi Port HDMI Switcher Selector 2.0 HDMI Switch for Xbox PS3 4 5
HDMI Splitter NTW 1 x 4 NHDMI4-SP-0104 - B&H Photo Video
ADNet 2 Port HDMI Splitter ADP-HS-1061, Female
DL-HD14-H2 - Digitalinx Series 1x4 HDMI 2.0 Splitter / DA