Kramer DTAxrD2-IN2-F34 is a 2-channel, 4K@60Hz (4:4:4), DSC, HDMI, analog audio, bidirectional RS-232, Ethernet, & IR over HDBaseT twisted pair receiver card for compatible Kramer Modular Multi-Format Digital Matrix Switchers like the KR-VS-34FD (sold separately). DTAxrD2-IN2-F34 inputs two extended-reach HDBaseT signals with selectable embedded/de-embedded analog audio, bidirectional RS-232, Ethernet, and IR from the line to the chassis.