Dahua DH-LR1002-1EC, Port 1*10/100 Mbps Base-TX, 1*BNC, Power <2W, Network IEEE802.3, IEEE802.3u, IEEE802.3x, Common Mode 4KV, Differential Mode 2KV. The product is divided into transmitter (LR1002-1ET) and receiver (LR1002-1EC). It is designed to work as a type of converter from RJ45 to BNC port, which supports long range power supply transmission via coaxial cable.