SIIG 4K60Hz 18 Gbps HDMI over IP Matrix Kit is designed for multiple monitor configurations and video transmission application. Works as a scalable TX/RX matrix, the transmitter converts HDMI audio/video signal from your source into the dedicated IP network over UTP Cat6 or Cat7 cabling up to 394 feet (120 m) and sends the 4K at 60 Hz Ultra HD HDR video resolution to the receiver for stable transmission and cost saving. This matrix product works as a scalable matrix over the dedicated IP network and extends/splits HDMI signals to multiple displays. Allows to set 1023 transmitter and up to 65,536 total units, supports PoE to make it easy to construct and improve system robustness on the IGMP PoE network switch hub, no additional power adapter required. The product supports audio extraction via digital S/PDIF (Toslink), 3.5 mm stereo audio, or HDMI output ports and provides the USB port for keyboard/mouse and webcam to realize KVM extended application. Metal housing has protected the inside PCB and enhanced the heat dissipation for better performance. Wall-mounted design is simple and sturdy installation. Matrix kit is recommended for hotel, airport, control center, network operation center, security center, surveillance control center, shopping center, restaurant, library, lecture hall, exhibition, retail store, digital signage applications.