P1dB offers has a wide selection of RF semi rigid cable, available with or without connectors.
Bulk semi rigid cable is stocked in P1dB's San Jose, CA facility and ship in 1 meter lengths. Diameters range from 0.031 to 0.250 inch. Impedance options include standard 50 Ohm, as well as 10, 17, 25, 75 or 93 Ohms. P1dB's most popular semi rigid has a copper outer conductor material, but P1dB also has cable with aluminum or stainless steel outer jacket. The center conductor is typically silver plated copper weld and the dielectric material is PTFE. The outer conductor (jacket) can be supplied as bare copper, tin or silver plating.
If you have custom lengths or assemblies that require specific bends, P1dB can quote: email@example.com. Depending on the complexity, lead time for custom assemblies is 4 to 6 weeks typical..