What is the difference between FBT plc splitter and PLC optical plc splitter?

Optical fiber plc splitters device in today's optical network plays a more and more important role. From FTTx system to the traditional optical network, it can not only make many users sharing a optical fiber interface, can maximum limit to help users to extend functionality of the optical circuit.

Two of the most common type is:FBT Splitter and PLC Splitter