Key Specifications, Connector Series 1: MMCX, 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: MMCX, Connector Gender 2: Plug, Connector Polarity 2: Standard, Connector Angle 2: Straight, Connector Mount Method 2: None, Connector Impedance 2: 50 Ohm, RF Cable Part Number: RG178B/U, RF Cable Type: RG178, RF Cable Impedance: 50 Ohm. MMCX Jack to MMCX Plug Cable Using RG178 Coax with HeatShrink. PE35814/HS is a MMCX jack to MMCX plug cable using RG178 coax. This Pasternack MMCX jack to MMCX plug cable assembly uses a 50 Ohm MMCX for connector 1 and a 50 Ohm MMCX for connector 2. Our jack MMCX to plug MMCX cable assembly uses a flexible cable type that is 50 Ohm. Pasternack PE35814/HS MMCX jack to MMCX plug cable assembly is constructed with RG178 coax.