Key Specifications, Connector Series 1: MCX, Connector Gender 1: Plug, 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: Female, Connector Polarity 2: Standard, Connector Angle 2: Straight, Connector Mount Method 2: Bulkhead, Connector Impedance 2: 50 Ohm, RF Cable Part Number: PE-SR405FLJ, RF Cable Type: PE-SR405FLJ, RF Cable Impedance: 50 Ohm. MCX Plug to SMA Female Bulkhead Cable Using PE-SR405FLJ Coax. PE3W10191 is a MCX plug to SMA female bulkhead cable using PE-SR405FLJ coax. This Pasternack MCX plug to SMA female bulkhead cable assembly uses a 50 Ohm MCX for connector 1 and a 50 Ohm SMA for connector 2. Our plug MCX to female SMA bulkhead cable assembly uses a formable cable type that is 50 Ohm. Pasternack PE3W10191 MCX plug to SMA female bulkhead cable assembly is constructed with PE-SR405FLJ coax.