Models:MBCP-C3F,MBCP-C4,MBCP-C4F,MBCP-C53,MBCP-C5FKey Features and BenefitsSlim design: OD 12 mmCompatible with 75 ohm BNC receptacles.Canare crimp design ensures quick and reliable installation.Gold plated “snap locks” center pin and beryllium copper outer contact.Return Loss: 26.4 dB @ 1.5GHz (Excludeing MBCP-C25F)