SDI Cable; Cable Type: RG59 75 Ohm Coaxial Cable; Connector: SDI 75 Ohm BNC Male Connector; Length: 35 feet; impedance : 75 Ohm. 75 Ohm SDI BNC Male Coax, 75-ohm cables/connectors are made for high quality digital video and are able to scale their output depending on the input received.