The black, (1') Belden 1855A Sub Miniature Coax Black with BNC Connectors is a precision broadcast video cable with BNC connectors for narrow-band composite through wide-band SDI transmissions.
The cable is 23 AWG and features solid stranding, a bare copper conductor, and gas-injected foam HDPE insulation. The outer shield is of two layers, one with 100% coverage and the other with 95%.