Superbat 10pcs 7/16 DIN Clamp Female RF Coaxial Connector for Corrugated Copper 7/8'' Coaxial Cable. Temp range -65~ +165, Insulator PTFE, Connector Type Jack/Female Socket, Family Coaxial Connectors (RF), Insulation Resistance ≥10000 MOhm, Voltage rating 2700V, Frequency Range 0-7.5GHz.