RG58 SMA Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG58 coax cable with pre-terminated SMA Male connectors for a reliable low-loss interface with your RF equipment. Tinned Copper Shielded MIL-C-17 type RG58C/U coax. Each Cables on Demand RG58 coax jumper includes over molded Gold-plated stainless steel SMA connectors connectors pre-installed by the world leader in RF interconnects: Amphenol.