C connector

C connector

C connector on the left beside smaller BNC
Type	RF coaxial connector
Designer	Carl Concelman
Manufacturer	Various
Diameter	Male:      0.750 in (1.91 cm) Female:  0.600 in (1.52 cm) (outer, typical)
Cable	Coaxial
Passband	Typically 0-11 GHz

The C connector is a type of RF connector used for terminating coaxial cable. Coupling uses two-stud bayonet-type locks. The C connector was invented by Amphenol engineer Carl Concelman. It is weatherproof without being overly bulky. The mating arrangement is similar to that of the BNC connector.