According to the IEC 169-4. 16, cable 1/2' ' or thers such as Andrew FSJ4-50134,

Connector: Din male(female) or N male(female), length(1, 2, 3m), characterist impedance: 50, withstanding voltage: Ac 2500v. 1 min, VSWR(0-2. 5GHZ)(1. 10, intermodulation(IM3)< < -160dbc