United Microwave High Performance Connectors SMP and Precisioin Semi-Rigid Connectors are constructed of metallic parts with a Au Plated finish. SMP Connectors listed here have Au plated BeCu center conductors and PTFE Dielectric as per MIL-P-19468. The SMP connectors have been Qualified to US Navy DWG.6783472 with A, B, and C testing including RF Leakage and Corona at Altiude.The MM Type connectors listed here have have Au plated BeCu center conductors and Noryl Oxide (Polyphenylene) Dielectric 

High Performance Connectors to Semi-Rigid Cables  
300-7-2.9 2.9MILLIMETER STRIGHT CABLE PLUG DIRECT SOLDER 141 SEMI-RIGID 
300-7-2.9-SF 2.9MILLIMETER STAINLESS STEEL STRIGHT CABLE PLUG DIRECT SOLDER 141 SEMI-RIGID 
300-7-3.5 3.5MILLIMETER STRIGHT CABLE PLUG DIRECT SOLDER 141 SEMI-RIGID 
300-7-3.5-SF 3.5MILLIMETER STAINLESS STEEL STRIGHT CABLE PLUG DIRECT SOLDER 141 SEMI-RIGID 
301-1-2.4 2.4MILLIMETER STRIGHT CABLE PLUG DIRECT SOLDER 086 SEMI-RIGID 
301-1-2.4-SF 2.4MILLIMETER STAINLESS STEEL STRIGHT CABLE PLUG DIRECT SOLDER 085 SEMI-RIGID 
 
SMP Type Connectors 
202-086 STRIGHT CABLE SMP PLUG DIRECT SOLDER 086 SEMI-RIGID 
202-047 STRIGHT CABLE SMP PLUG DIRECT SOLDER 047 SEMI-RIGID 
201-086 RIGHT ANGLE SMP PLUG DIRECT SOLDER 086 SEMI-RIGID 
201-047 RIGHT ANGLE SMP PLUG DIRECT SOLDER 047 SEMI-RIGID 
202-BT SMP PLUG TO SMP PLUG BULLET