RF type is Transceiver; Bluetooth® Smart 4.x Low Energy (BLE) from the Evaluation board.As you can see, this RF Board comes from the well-known -- series of products.
BM-70-CDB Features
Transceiver; Bluetooth® Smart 4.x Low Energy (BLE) Type
BM-70-CDB Applications
There are a lot of Microchip Technology BM-70-CDB RF Boards applications.