Superbat 10pcs SMA Female Straight 4 Hole Panel Mount Solder Cup Contact 6mm RF Coaxial Connector. Impedance: 50 Ohm, Vibration: 10-2000Hz, Temp.range: -65~ +165. Insulator: PTFE, Connector Type: Jack/Female Socket, Mounting Type: Panel Mount, Square Flange, Durability: 500 Cycles, Voltage Rating: 335V, Insulation Resistance: ≥5000 MOhm.