This part is a kind of semiconductor called MT7601U.

Function of this product has 802.11 b/g/n single chip.

Manufacturers : MediaTek

Image and pinout :

Some of the text within the PDF file :

FORMmtEnDpImAT@EmKtnCcnO.cNoFImDUESNETIOANLLY MT7601U 802.11 b/g/n single chip Preliminary datasheet Version: Release date: 0.06 2012-12-10 © 2010 - 2012 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. loginid=mtnpm@mtncn.com,time=2013-03-13 19:20:47,ip=113.90.248.190,doctitle=MT7601_Data_Sheet_v0_06.pdf,company=MTN Electronics Co. Ltd深圳市邁騰電子有限公司_RLT FORMmtEnDpImAT@EmKtnCcnO.cNoFImDUESNETIOANLLY MT7601U Preliminary datasheet Confidential A Document Revision History Revision 0.01 0.02 0.03 0.04 0.05 0.06 Date 2012/03/30 2012/08/13 2012/08/21 2012/8/26 2012/9/27 2012/ [ ... ]

MT7601U PDF Datasheet Download