Radio-frequency (RF) coaxial connector patterns used with RF cables. These connector patterns are for low power, quick disconnect applications using bayonet type coupling mechanism and are commonly known as type BNC.
BS QC 221200:1997 history
2007BS EN 61169-8:2007 Radio-frequency connectors. Sectional specification. RF coaxial connectors with inner diameter of outer conductor 6,5 mm (0, 256 in) with bayonet lock. Characteristic impedance 50 ohms (type BNC)
1997BS QC 221200:1997 Radio-frequency connectors - RF coaxial connectors with inner diameter of outer conductor 6,5 mm (0,256 in) with bayonet lock - Characteristic impedance 50 ohms (Type BNC)