LC fiber optic adapters are all ceramic sleeve; there are simplex LC adapters and duplex LC adapters, usually duplex LC fiber adapters are with SC footprint. The LC fiber adapters colors are same as SC fiber optic adapters: blue for single mode PC, beige for multi mode PC and green for single mode APC.
LC hybrid fiber optic adapters are flanged type with metal housing, both single mode and multi mode
adapters are with ceramic sleeves. Hybrid adapters are available in single-mode and multi-mode and
many different configurations. They can be practically used in any application and connect different