You need a clean 4K signal and USB data on the same cable run, and you're done patching together separate extenders. The VE-1843 is a single HDBaseT 3.0 transceiver that carries True 4K HDMI and USB over one Cat cable. One unit, one connection, no signal degradation between source and display
| brand | ATEN |
| model | VE-1843 |
| type | True 4K HDMI / USB HDBaseT 3.0 Transceiver |
| standard | HDBaseT 3.0 |
| video | True 4K HDMI |
| data | USB pass-through |