W5SWL Brand Premium Series SMA Male Gold Crimp RF Radio Connector for RG-58 - by W5SWL Brand SMA Male Crimp Connector Fits RG-58 Series Cable Teflon Insulator, Gold Plated RF Pin, Gold 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