This part is a kind of semiconductor called MT6625L.

Function of this product has 4-in-1 connectivity chip which contains a 2.4GHz Wi-Fi/Bluetooth transceiver front-end.

Manufacturers : MediaTek

Image and pinout :

Some of the text within the PDF file :

MT6625L Data Sheet Version: Release date: 0.5 2014-09-19 MEDIATEK CONFIDENTIAL © 2010 - 20152010 - 2015 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited. Specifications are subject to change without notice. FOR rong.xiang@ hymost.com USE ONLY loginid=rong.xiang@hymost.com,time=2015-01-19 09:07:27,ip=116.228.40.226,doctitle=MT6625L_External_Data_Sheet_(20140919).docx,company=Huiyue_WCX MT6625L Datasheet Confidential A Document Revision History Revision 0.1A 0.2A 0.3A Date 2013/11/22 2014/04/17 2014/04/18 0.4A 2014/05/15 0.5A 2014/09/19 Author Conan Zhan Conan Zhan Min Chen Min Chen Min Chen Description First release for template consoli [ ... ]

MT6625L PDF Datasheet Download