HIGHWIRE Ethernet Over Coax Device (Single Unit). HIGHWIRE turns any analogue video cable into a high-speed network connection, enabling the replacement of analogue cameras with IP cameras without installing any new cabling. – HIGHWIRE can be powered by legacy 12 Volt DC or 24 Volt AC supplies. – HIGHWIRE turns any analogue video cable into a high-speed network connection, enabling the replacement of analogue cameras with IP cameras without installing any new cabling or configuration. – HIGHWIRE can provide a full-duplex 100BASE-T network connection, with no bandwidth restrictions, over 500 metres of RG-11 cable, or over 280 metres of CCTV-grade RG-59 cable.