The PU-514L-TX is a Transmitter Unit designed to be used with PU-514L-RX Receiver. This device allows uncompressed HDMI, and 2-way IR signals to be transmitted over a Single CAT5e/6/7 cable to distances of up to 60m. Utilise the USB power output from a TV as an optional way of powering the PU-514L-RX receiver unit alternative to a mains power supply.