The 4505RBUHD3 B50 is a 12 GHz, RG-59 BNC 3-Piece crimp style connector. Perfect for HD-SDI, UHD-SDI, Video, Digital Video, SMPTE 2082-1 12 Gb/s UHDTV, SMPTE 2081-1 6 Gb/s UHDTV and SMPTE 424M 3 Gb/s HD-SDI 1080P. This connector features a polished nickel body with brass/gold plated contacts. These BNC connectors are sold in packs of 50.