The duplex LC fiber connector is a small form factor connector designed for use with fiber optic cables. It is a two-piece connector that consists of a male and female connector, each with two ferrule pins. The LC connector is a popular choice for high-speed data transmission due to its small size and high performance. It is commonly used in data centers, telecom networks, and other applications requiring high-speed data transmission. The LC connector is also compatible with other fiber optic connectors, such as the SC and ST connectors. It is easy to install and provides a secure connection.