Provides basic mating and performance information for subminiature connectors for use with flexible and semi-rigid r.f. cables. The connectors are usable up to a frequency of 6 GHz. Only the interface dimensions are standardized. Other technical data are
IEC 60169-20:1985 history
1985IEC 60169-20:1985 Radio-frequency connectors. Part 20 : R.F. coaxial connectors with inner diameter of outer conductor 2.08 mm (0.082 in) with screw coupling - Characteristic impedance 50 ohms (Type SSMC)