Special Order: 2052 0000 00,SMA FM JACK RECPT RF Interface: SMA RF Connector Style: Jack RF Connector Mated Outer Diameter (Approximate): .25 in RF Connector Mated Outer Diameter (Approximate): 6.35 mm Impedance: 50 Ω SMA Jack .25" 6.35 mm | Rf Connector | Part Number: 1052421-1 | Internal Number: 1052421-1 | TE Connectivity