The OPLINK PMBC1550P0ZAB01 Optical Add/Drop Multiplexer is a high-quality unit designed for efficient management of optical signals. Made by the reputable brand OPLINK, this multiplexer is specifically designed for adding and dropping optical signals, making it an essential component for optical communication systems. With a unit quantity of 1, this model is reliable and efficient in its performance, making it a valuable addition to any business or industrial setting that requires precise optical signal management.