DisplayPort or HDMI dual-head transmission up to 100m over standard CATx cable Supports DisplayPort and HDMI video up to 3840 x 2160 at 30 Hz Transparent USB 2.0 extension supports HID devices, mass storage devices. Bidirectional audio via speaker/mic connection Supports RS-232 peripheral (serial) devices such as scanners or terminals. Local and remote units connect at distances of up to 330 feet (100m) using two CAT5e cables Supports dual 4K view video source transmission (one PC with two video output ports) Local video port loopback for monitoring on transmitter (TX) unit