The HDMI EXTENDER HAS An ideal solution for sharing a display or projector over an LAN network so that even the video source lacking digital video output can still connect. It also works to extend IR signals from remote controls of the video source, perfect for controlling your video source from your video destination. Based on TCP/IP standard, so you can use IP switch box. It transmits your HD display with the high resolutions up to 395 feet (120 meters) away from your HDMI or DVI-D source by using 1 CAT5e/6 cable. With the advantage of TCP/IP standard you can extend your HD video to multiple displays by using an Ethernet Switch. Up to1920x1080 Resolution HDMI Signal Transmission (with HDCP 1.1/1.2)