Coax jumper cables are what they're called when the short name coax is employed. Radiofrequency (RF) jumper wires are another name for them. Coaxial cable jumpers or RF cable jumpers are sometimes used instead. Coax jumpers or RF jumpers are the short names for these devices. Coaxial and RF cable assemblies are two more terms for the same thing. All of these terms have the same meaning.