A FFC/FPC CONNECTOR package is included with it.BOARD indicates that the device is mounted.Furthermore, there are other features such as ROHS, ELV COMPL & EMBOSSED PKG, to name a few.
52559-2570 Features
52559-2570 Applications
There are a lot of Molex 52559-2570 FFC, FPC (Flat Flexible) Connectors applications.