My cable box connection, HDMI 1:2 splitter (one for original TV, second for extension), transmitter, switch, router, receiver and 2 televisions. The picture has a very good sound and video quality. This is a replacement for the Belkin HDMI Wireless Extender which has many quality issues (this model is no longer manufactured).
π HDMI 2.0 4 Port KVM Switch with 4K@60Hz, 2K@144Hz,1080P@120Hz Support, 18Gbps Bandwidth, USB 2.0 Keyboard/Mouse/Printer/Monitor/PC Selector, Audio Out/Mic In, HDR10, Dolby Vision, Dolby/DTS, HDCP2.2 Compatibility
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