PE3W09639 is a MCX jack to BNC male cable using RG187 coax. This Pasternack MCX jack to BNC male cable assembly uses a 75 Ohm MCX for connector 1 and a 75 Ohm BNC for connector 2.
Our jack MCX to male BNC cable assembly uses a flexible cable type that is 75 Ohm. Pasternack PE3W09639 MCX jack to BNC male cable assembly is constructed with RG187 coax.