W5SWL Brand Premium Series SMB Plug Crimp RF Radio Connector for RG-174 and Type 100 Coax Cables - by W5SWL Brand SMB Plug Crimp Connector Fits RG-174 and Type 100 Coax Series Cable Teflon Insulator, Gold Plated RF Pin, Nickle Plated Body Impedance: 50 Ohms by W5SWL Brand is Trademarked - Sold only by Dave's Hobby Shop and NO others. Premium Communications Connectors - not for Cable TV