Key Specifications, Connector Series 1: SMA, Connector Gender 1: Female, Connector Polarity 1: Standard, Connector Angle 1: Straight, Connector Mount Method 1: Bulkhead, Connector Impedance 1: 50 Ohm, Connector Series 2: SMB, 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: RG188A/U, RF Cable Type: RG188, RF Cable Impedance: 50 Ohm. SMA Female Bulkhead to SMB Plug Cable Using RG188 Coax. PE3W10771 is a SMA female bulkhead to SMB plug cable using RG188 coax. This Pasternack SMA female bulkhead to SMB plug cable assembly uses a 50 Ohm SMA for connector 1 and a 50 Ohm SMB for connector 2. Our female SMA bulkhead to plug SMB cable assembly uses a flexible cable type that is 50 Ohm. Pasternack PE3W10771 SMA female bulkhead to SMB plug cable assembly is constructed with RG188 coax.