MCX (Micro Coaxial) connector have the same inner contact and insulator dimensions as the SMB connector but are 30% smaller. They feature a snap-on coupling and are available in either 50Ω or 75Ω impedance. MCX Cable Assemblies, MCX Semi-Flexible Cable Assemblies, MCX Semi-Rigid Cable Assemblies, MCX 75Ohm Cable Assemblie, MCX Adapter, MCX 75Ohm Cable Assemblies.