a communication device configured to transmit and receive simultaneously , over the same wire , unidirectional high definition video and bidirectional data . the communication device includes a hybrid circuit coupled to a cable made of wires , and a transceiver . the transceiver is configured to transmit , over one of the cable &# 39 ; s wires , transition minimized differential signaling data and source - to - sink direction of bidirectional data . the transceiver is further configured to receive the opposite direction of the bidirectional data over the same wire and simultaneously with the transmitting .