Amphenol CO-058BNCX200-003 Black RG58 Coaxial Cable, 50 Ohm, BNC Male to BNC Male, 3' Fully assembled Amphenol RG58 BNC Male to BNC Male Coaxial Cable Military-grade RG58C/U rated 50 Ohm coax with 95% braid coverage Impedance-matched Amphenol brand BNC connectors pre-installed Non-contaminating black PVC cable jacket and molded strain relief system