VIS-HE7H-R is a video extension receiver which is integrated with VISSONIC video matrix, processor or transmitter. It used for sending HDMI 1080P up to 70m or HDMI 4K@60 Hz (YCbCr420) up to 40m, audio, bi-directional RS232 and IR signals based on shielded CAT6 cables. It can realize 4K × 2K@30 Hz 4:4:4 transport, compatible with HDMI 1.4 and HDCP 1.4, which is convenient for installation, troubleshooting, and improves compatibility