Key Specifications, Connector Series 1: BNC, Connector Gender 1: Female, Connector Polarity 1: Standard, Connector Angle 1: Straight, Connector Mount Method 1: None, Connector Impedance 1: 50 Ohm, Connector Series 2: SMA, Connector Gender 2: Male, Connector Polarity 2: Standard, Connector Angle 2: Straight, Connector Mount Method 2: None, Connector Impedance 2: 50 Ohm, RF Cable Part Number: RG223/U, RF Cable Type: RG223, RF Cable Impedance: 50 Ohm. BNC Female to SMA Male Cable Using RG223 Coax. PE3W11491 is a BNC female to SMA male cable using RG223 coax. This Pasternack BNC female to SMA male cable assembly uses a 50 Ohm BNC for connector 1 and a 50 Ohm SMA for connector 2. Our female BNC to male SMA cable assembly uses a flexible cable type that is 50 Ohm. Pasternack PE3W11491 BNC female to SMA male cable assembly is constructed with RG223 coax.