BS QC 222400:1997
BS QC 222400:1997
Radio-frequency connectors. RF coaxial connectors with inner diameter of outer conductor 5,6 mm (0,22 in). Characteristic impedance 75 ohms (type 1,6/5,6). Characteristic impedance 50 ohms (type 1,8/5,6) with similar mating dimensions
standard published 01/15/1997 by British Standards Institution