Key Specifications, Connector Series 1: MCX, Connector Gender 1: Jack, 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: None, Connector Impedance 2: 50 Ohm, RF Cable Part Number: RG316-DS, RF Cable Type: RG316-DS, RF Cable Impedance: 50 Ohm. MCX Jack to SMA Female Cable Using RG316-DS Coax with HeatShrink. PE37643/HS is a MCX jack to SMA female cable using RG316-DS coax. This Pasternack MCX jack to SMA female cable assembly uses a 50 Ohm MCX for connector 1 and a 50 Ohm SMA for connector 2. Our jack MCX to female SMA cable assembly uses a flexible cable type that is 50 Ohm. Pasternack PE37643/HS MCX jack to SMA female cable assembly is constructed with RG316-DS coax.