Qualcomm Atheros QCWB342

Dual Band 2x2 MIMO 802.11ac/abgn WLAN plus BT (WB342 reference design)

"250-02341-060", "(C) 2012", and "WB342" appears to be silkscreened on the board (under the shield) in the FCC photos.

The device appears (and is assumed..) to be using MHF4 connectors in the FCC label shot.