2.4mm connector design frequency up to 50GHz.VNA of Agilent also uses the 2.4mm connector interface as the test ports, so the 2.4mm connector interface are used widely in microwave field. Gwave developed 2.4mm connectors for cable assemblies, PCB, device, etc. There are also 2.4mm interface adapter products, most of them are made of stainless steel.