ISO14001 certified products, used for connecting coaxial cable. 1.C16-J-1/2"F RF Connector is in accordance with IEC60169-4:19752. Interface screw thread: M29x1.5 3.Working environment:Working temperature: - 40~+85oC Relative moisture :90%~95% (Temperature: 40±2oC) RF Coaxial Connectors